diff --git a/docs/source/methods/neutron_physics.rst b/docs/source/methods/neutron_physics.rst
index fe8b8ad85..2b797e3db 100644
--- a/docs/source/methods/neutron_physics.rst
+++ b/docs/source/methods/neutron_physics.rst
@@ -290,7 +290,10 @@ create and store fission sites for the following generation. First, the average
 number of prompt and delayed neutrons must be determined to decide whether the
 secondary neutrons will be prompt or delayed. This is important because delayed
 neutrons have a markedly different spectrum from prompt neutrons, one that has a
-lower average energy of emission. The total number of neutrons emitted
+lower average energy of emission. Furthermore, in simulations where tracking
+time of neutrons is important, we need to consider the emission time delay of
+the secondary neutrons, which is dependent on the decay constant of the
+delayed neutron precursor. The total number of neutrons emitted
 :math:`\nu_t` is given as a function of incident energy in the ENDF format. Two
 representations exist for :math:`\nu_t`. The first is a polynomial of order
 :math:`N` with coefficients :math:`c_0,c_1,\dots,c_N`. If :math:`\nu_t` has this
@@ -306,8 +309,8 @@ interpolation law. The number of prompt neutrons released per fission event
 :math:`\nu_p` is also given as a function of incident energy and can be
 specified in a polynomial or tabular format. The number of delayed neutrons
 released per fission event :math:`\nu_d` can only be specified in a tabular
-format. In practice, we only need to determine :math:`nu_t` and
-:math:`nu_d`. Once these have been determined, we can calculated the delayed
+format. In practice, we only need to determine :math:`\nu_t` and
+:math:`\nu_d`. Once these have been determined, we can calculate the delayed
 neutron fraction
 
 .. math::
@@ -335,8 +338,14 @@ neutrons. Otherwise, we produce :math:`\lfloor \nu \rfloor + 1` neutrons. Then,
 for each fission site produced, we sample the outgoing angle and energy
 according to the algorithms given in :ref:`sample-angle` and
 :ref:`sample-energy` respectively. If the neutron is to be born delayed, then
-there is an extra step of sampling a delayed neutron precursor group since they
-each have an associated secondary energy distribution.
+there is an extra step of sampling a delayed neutron precursor group to get the
+associated secondary energy distribution and the decay constant
+:math:`\lambda`, which is needed to sample the emission delay time :math:`t_d`:
+
+.. math::
+    :label: sample-delay-time
+
+    t_d = -\frac{\ln \xi}{\lambda}.
 
 The sampled outgoing angle and energy of fission neutrons along with the
 position of the collision site are stored in an array called the fission
diff --git a/examples/pincell_pulsed/run_pulse.py b/examples/pincell_pulsed/run_pulse.py
new file mode 100644
index 000000000..b6a61ad3d
--- /dev/null
+++ b/examples/pincell_pulsed/run_pulse.py
@@ -0,0 +1,101 @@
+import matplotlib.pyplot as plt
+import numpy as np
+import openmc
+
+###############################################################################
+# Create materials for the problem
+
+uo2 = openmc.Material(name="UO2 fuel at 2.4% wt enrichment")
+uo2.set_density("g/cm3", 10.29769)
+uo2.add_element("U", 1.0, enrichment=2.4)
+uo2.add_element("O", 2.0)
+
+helium = openmc.Material(name="Helium for gap")
+helium.set_density("g/cm3", 0.001598)
+helium.add_element("He", 2.4044e-4)
+
+zircaloy = openmc.Material(name="Zircaloy 4")
+zircaloy.set_density("g/cm3", 6.55)
+zircaloy.add_element("Sn", 0.014, "wo")
+zircaloy.add_element("Fe", 0.00165, "wo")
+zircaloy.add_element("Cr", 0.001, "wo")
+zircaloy.add_element("Zr", 0.98335, "wo")
+
+borated_water = openmc.Material(name="Borated water")
+borated_water.set_density("g/cm3", 0.740582)
+borated_water.add_element("B", 2.0e-4)  # 3x the original pincell
+borated_water.add_element("H", 5.0e-2)
+borated_water.add_element("O", 2.4e-2)
+borated_water.add_s_alpha_beta("c_H_in_H2O")
+
+###############################################################################
+# Define problem geometry
+
+# Create cylindrical surfaces
+fuel_or = openmc.ZCylinder(r=0.39218, name="Fuel OR")
+clad_ir = openmc.ZCylinder(r=0.40005, name="Clad IR")
+clad_or = openmc.ZCylinder(r=0.45720, name="Clad OR")
+
+# Create a region represented as the inside of a rectangular prism
+pitch = 1.25984
+box = openmc.model.RectangularPrism(pitch, pitch, boundary_type="reflective")
+
+# Create cells, mapping materials to regions
+fuel = openmc.Cell(fill=uo2, region=-fuel_or)
+gap = openmc.Cell(fill=helium, region=+fuel_or & -clad_ir)
+clad = openmc.Cell(fill=zircaloy, region=+clad_ir & -clad_or)
+water = openmc.Cell(fill=borated_water, region=+clad_or & -box)
+
+# Create a model and assign geometry
+model = openmc.Model()
+model.geometry = openmc.Geometry([fuel, gap, clad, water])
+
+###############################################################################
+# Define problem settings
+
+# Set the mode
+model.settings.run_mode = "fixed source"
+
+# Indicate how many batches and particles to run
+model.settings.batches = 10
+model.settings.particles = 10000
+
+# Set time cutoff (we only care about t < 100 seconds, see tally below)
+model.settings.cutoff = {"time_neutron": 100}
+
+# Create the neutron pulse source (by default, isotropic direction, t=0)
+space = openmc.stats.Point()  # At the origin (0, 0, 0)
+energy = openmc.stats.delta_function(14.1e6)  # At 14.1 MeV
+model.settings.source = openmc.IndependentSource(space=space, energy=energy)
+
+###############################################################################
+# Define tallies
+
+# Create time filter
+t_grid = np.insert(np.logspace(-6, 2, 100), 0, 0.0)
+time_filter = openmc.TimeFilter(t_grid)
+
+# Tally for total neutron density in time
+density_tally = openmc.Tally(name="Density")
+density_tally.filters = [time_filter]
+density_tally.scores = ["inverse-velocity"]
+
+# Add tallies to model
+model.tallies = openmc.Tallies([density_tally])
+
+
+# Run the model
+model.run(apply_tally_results=True)
+
+# Bin-averaged result
+density_mean = density_tally.mean.ravel() / np.diff(t_grid)
+
+# Plot particle density versus time
+fig, ax = plt.subplots()
+ax.stairs(density_mean, t_grid)
+ax.set_xscale("log")
+ax.set_yscale("log")
+ax.set_xlabel("Time [s]")
+ax.set_ylabel("Total density")
+ax.grid()
+plt.show()
diff --git a/include/openmc/settings.h b/include/openmc/settings.h
index 069d94c3b..999b1b83f 100644
--- a/include/openmc/settings.h
+++ b/include/openmc/settings.h
@@ -150,6 +150,7 @@ extern double source_rejection_fraction; //!< Minimum fraction of source sites
 
 extern int
   max_history_splits; //!< maximum number of particle splits for weight windows
+extern int max_secondaries;       //!< maximum number of secondaries in the bank
 extern int64_t ssw_max_particles; //!< maximum number of particles to be
                                   //!< banked on surfaces per process
 extern int64_t ssw_max_files;     //!< maximum number of surface source files
diff --git a/openmc/settings.py b/openmc/settings.py
index ce3743ff5..7bbc31c19 100644
--- a/openmc/settings.py
+++ b/openmc/settings.py
@@ -128,6 +128,10 @@ class Settings:
         Maximum number of times a particle can split during a history
 
         .. versionadded:: 0.13
+    max_secondaries : int
+        Maximum secondary bank size
+
+        .. versionadded:: 0.15.3
     max_tracks : int
         Maximum number of tracks written to a track file (per MPI process).
 
@@ -431,6 +435,7 @@ class Settings:
         self._weight_window_checkpoints = {}
         self._max_history_splits = None
         self._max_tracks = None
+        self._max_secondaries = None
         self._use_decay_photons = None
 
         self._random_ray = {}
@@ -1137,6 +1142,16 @@ class Settings:
         cv.check_greater_than('max particle splits', value, 0)
         self._max_history_splits = value
 
+    @property
+    def max_secondaries(self) -> int:
+        return self._max_secondaries
+
+    @max_secondaries.setter
+    def max_secondaries(self, value: int):
+        cv.check_type('maximum secondary bank size', value, Integral)
+        cv.check_greater_than('max secondary bank size', value, 0)
+        self._max_secondaries = value
+
     @property
     def max_tracks(self) -> int:
         return self._max_tracks
@@ -1673,6 +1688,11 @@ class Settings:
             elem = ET.SubElement(root, "max_history_splits")
             elem.text = str(self._max_history_splits)
 
+    def _create_max_secondaries_subelement(self, root):
+        if self._max_secondaries is not None:
+            elem = ET.SubElement(root, "max_secondaries")
+            elem.text = str(self._max_secondaries)
+
     def _create_max_tracks_subelement(self, root):
         if self._max_tracks is not None:
             elem = ET.SubElement(root, "max_tracks")
@@ -2073,6 +2093,11 @@ class Settings:
         if text is not None:
             self.max_history_splits = int(text)
 
+    def _max_secondaries_from_xml_element(self, root):
+        text = get_text(root, 'max_secondaries')
+        if text is not None:
+            self.max_secondaries = int(text)
+
     def _max_tracks_from_xml_element(self, root):
         text = get_text(root, 'max_tracks')
         if text is not None:
@@ -2194,6 +2219,7 @@ class Settings:
         self._create_weight_window_checkpoints_subelement(element)
         self._create_max_history_splits_subelement(element)
         self._create_max_tracks_subelement(element)
+        self._create_max_secondaries_subelement(element)
         self._create_random_ray_subelement(element, mesh_memo)
         self._create_use_decay_photons_subelement(element)
         self._create_source_rejection_fraction_subelement(element)
@@ -2302,6 +2328,7 @@ class Settings:
         settings._weight_window_checkpoints_from_xml_element(elem)
         settings._max_history_splits_from_xml_element(elem)
         settings._max_tracks_from_xml_element(elem)
+        settings._max_secondaries_from_xml_element(elem)
         settings._random_ray_from_xml_element(elem)
         settings._use_decay_photons_from_xml_element(elem)
         settings._source_rejection_fraction_from_xml_element(elem)
diff --git a/src/eigenvalue.cpp b/src/eigenvalue.cpp
index 2685bbe98..a2120a006 100644
--- a/src/eigenvalue.cpp
+++ b/src/eigenvalue.cpp
@@ -127,30 +127,8 @@ void synchronize_bank()
       "No fission sites banked on MPI rank " + std::to_string(mpi::rank));
   }
 
-  // Make sure all processors start at the same point for random sampling. Then
-  // skip ahead in the sequence using the starting index in the 'global'
-  // fission bank for each processor.
-
-  int64_t id = simulation::total_gen + overall_generation();
-  uint64_t seed = init_seed(id, STREAM_TRACKING);
-  advance_prn_seed(start, &seed);
-
-  // Determine how many fission sites we need to sample from the source bank
-  // and the probability for selecting a site.
-
-  int64_t sites_needed;
-  if (total < settings::n_particles) {
-    sites_needed = settings::n_particles % total;
-  } else {
-    sites_needed = settings::n_particles;
-  }
-  double p_sample = static_cast<double>(sites_needed) / total;
-
   simulation::time_bank_sample.start();
 
-  // ==========================================================================
-  // SAMPLE N_PARTICLES FROM FISSION BANK AND PLACE IN TEMP_SITES
-
   // Allocate temporary source bank -- we don't really know how many fission
   // sites were created, so overallocate by a factor of 3
   int64_t index_temp = 0;
@@ -165,33 +143,38 @@ void synchronize_bank()
       temp_delayed_groups, temp_lifetimes, 3 * simulation::work_per_rank);
   }
 
-  for (int64_t i = 0; i < simulation::fission_bank.size(); i++) {
-    const auto& site = simulation::fission_bank[i];
+  // ==========================================================================
+  // SAMPLE N_PARTICLES FROM FISSION BANK AND PLACE IN TEMP_SITES
 
-    // If there are less than n_particles particles banked, automatically add
-    // int(n_particles/total) sites to temp_sites. For example, if you need
-    // 1000 and 300 were banked, this would add 3 source sites per banked site
-    // and the remaining 100 would be randomly sampled.
-    if (total < settings::n_particles) {
-      for (int64_t j = 1; j <= settings::n_particles / total; ++j) {
-        temp_sites[index_temp] = site;
-        if (settings::ifp_on) {
-          copy_ifp_data_from_fission_banks(
-            i, temp_delayed_groups[index_temp], temp_lifetimes[index_temp]);
-        }
-        ++index_temp;
-      }
-    }
+  // We use Uniform Combing method to exactly get the targeted particle size
+  // [https://doi.org/10.1080/00295639.2022.2091906]
 
-    // Randomly sample sites needed
-    if (prn(&seed) < p_sample) {
-      temp_sites[index_temp] = site;
-      if (settings::ifp_on) {
-        copy_ifp_data_from_fission_banks(
-          i, temp_delayed_groups[index_temp], temp_lifetimes[index_temp]);
-      }
-      ++index_temp;
+  // Make sure all processors use the same random number seed.
+  int64_t id = simulation::total_gen + overall_generation();
+  uint64_t seed = init_seed(id, STREAM_TRACKING);
+
+  // Comb specification
+  double teeth_distance = static_cast<double>(total) / settings::n_particles;
+  double teeth_offset = prn(&seed) * teeth_distance;
+
+  // First and last hitting tooth
+  int64_t end = start + simulation::fission_bank.size();
+  int64_t tooth_start = std::ceil((start - teeth_offset) / teeth_distance);
+  int64_t tooth_end = std::floor((end - teeth_offset) / teeth_distance) + 1;
+
+  // Locally comb particles in fission_bank
+  double tooth = tooth_start * teeth_distance + teeth_offset;
+  for (int64_t i = tooth_start; i < tooth_end; i++) {
+    int64_t idx = std::floor(tooth) - start;
+    temp_sites[index_temp] = simulation::fission_bank[idx];
+    if (settings::ifp_on) {
+      copy_ifp_data_from_fission_banks(
+        idx, temp_delayed_groups[index_temp], temp_lifetimes[index_temp]);
     }
+    ++index_temp;
+
+    // Next tooth
+    tooth += teeth_distance;
   }
 
   // At this point, the sampling of source sites is done and now we need to
@@ -217,37 +200,6 @@ void synchronize_bank()
   finish = index_temp;
 #endif
 
-  // Now that the sampling is complete, we need to ensure that we have exactly
-  // n_particles source sites. The way this is done in a reproducible manner is
-  // to adjust only the source sites on the last processor.
-
-  if (mpi::rank == mpi::n_procs - 1) {
-    if (finish > settings::n_particles) {
-      // If we have extra sites sampled, we will simply discard the extra
-      // ones on the last processor
-      index_temp = settings::n_particles - start;
-
-    } else if (finish < settings::n_particles) {
-      // If we have too few sites, repeat sites from the very end of the
-      // fission bank
-      sites_needed = settings::n_particles - finish;
-      // TODO: sites_needed > simulation::fission_bank.size() or other test to
-      // make sure we don't need info from other proc
-      for (int i = 0; i < sites_needed; ++i) {
-        int i_bank = simulation::fission_bank.size() - sites_needed + i;
-        temp_sites[index_temp] = simulation::fission_bank[i_bank];
-        if (settings::ifp_on) {
-          copy_ifp_data_from_fission_banks(i_bank,
-            temp_delayed_groups[index_temp], temp_lifetimes[index_temp]);
-        }
-        ++index_temp;
-      }
-    }
-
-    // the last processor should not be sending sites to right
-    finish = simulation::work_index[mpi::rank + 1];
-  }
-
   simulation::time_bank_sample.stop();
   simulation::time_bank_sendrecv.start();
 
diff --git a/src/finalize.cpp b/src/finalize.cpp
index e38b0b251..25b471a8b 100644
--- a/src/finalize.cpp
+++ b/src/finalize.cpp
@@ -92,6 +92,7 @@ int openmc_finalize()
   settings::max_lost_particles = 10;
   settings::max_order = 0;
   settings::max_particles_in_flight = 100000;
+  settings::max_secondaries = 10000;
   settings::max_particle_events = 1'000'000;
   settings::max_history_splits = 10'000'000;
   settings::max_tracks = 1000;
diff --git a/src/physics.cpp b/src/physics.cpp
index 8ad1b99d7..f667fd586 100644
--- a/src/physics.cpp
+++ b/src/physics.cpp
@@ -115,7 +115,7 @@ void sample_neutron_reaction(Particle& p)
 
       // Make sure particle population doesn't grow out of control for
       // subcritical multiplication problems.
-      if (p.secondary_bank().size() >= 10000) {
+      if (p.secondary_bank().size() >= settings::max_secondaries) {
         fatal_error(
           "The secondary particle bank appears to be growing without "
           "bound. You are likely running a subcritical multiplication problem "
@@ -210,13 +210,23 @@ void create_fission_sites(Particle& p, int i_nuclide, const Reaction& rx)
     site.particle = ParticleType::neutron;
     site.time = p.time();
     site.wgt = 1. / weight;
-    site.parent_id = p.id();
-    site.progeny_id = p.n_progeny()++;
     site.surf_id = 0;
 
     // Sample delayed group and angle/energy for fission reaction
     sample_fission_neutron(i_nuclide, rx, &site, p);
 
+    // Reject site if it exceeds time cutoff
+    if (site.delayed_group > 0) {
+      double t_cutoff = settings::time_cutoff[static_cast<int>(site.particle)];
+      if (site.time > t_cutoff) {
+        continue;
+      }
+    }
+
+    // Set parent and progeny IDs
+    site.parent_id = p.id();
+    site.progeny_id = p.n_progeny()++;
+
     // Store fission site in bank
     if (use_fission_bank) {
       int64_t idx = simulation::fission_bank.thread_safe_append(site);
@@ -1069,6 +1079,10 @@ void sample_fission_neutron(
     // set the delayed group for the particle born from fission
     site->delayed_group = group;
 
+    // Sample time of emission based on decay constant of precursor
+    double decay_rate = rx.products_[site->delayed_group].decay_rate_;
+    site->time -= std::log(prn(p.current_seed())) / decay_rate;
+
   } else {
     // ====================================================================
     // PROMPT NEUTRON SAMPLED
diff --git a/src/physics_mg.cpp b/src/physics_mg.cpp
index 5ebef9c14..4c28cb179 100644
--- a/src/physics_mg.cpp
+++ b/src/physics_mg.cpp
@@ -139,8 +139,6 @@ void create_fission_sites(Particle& p)
     site.particle = ParticleType::neutron;
     site.time = p.time();
     site.wgt = 1. / weight;
-    site.parent_id = p.id();
-    site.progeny_id = p.n_progeny()++;
 
     // Sample the cosine of the angle, assuming fission neutrons are emitted
     // isotropically
@@ -165,6 +163,24 @@ void create_fission_sites(Particle& p)
     // of the code, 0 is prompt.
     site.delayed_group = dg + 1;
 
+    // If delayed product production, sample time of emission
+    if (dg != -1) {
+      auto& macro_xs = data::mg.macro_xs_[p.material()];
+      double decay_rate =
+        macro_xs.get_xs(MgxsType::DECAY_RATE, 0, nullptr, nullptr, &dg, 0, 0);
+      site.time -= std::log(prn(p.current_seed())) / decay_rate;
+
+      // Reject site if it exceeds time cutoff
+      double t_cutoff = settings::time_cutoff[static_cast<int>(site.particle)];
+      if (site.time > t_cutoff) {
+        continue;
+      }
+    }
+
+    // Set parent and progeny ID
+    site.parent_id = p.id();
+    site.progeny_id = p.n_progeny()++;
+
     // Store fission site in bank
     if (use_fission_bank) {
       int64_t idx = simulation::fission_bank.thread_safe_append(site);
diff --git a/src/settings.cpp b/src/settings.cpp
index afa42a3c5..03d42bb9d 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -114,6 +114,7 @@ int max_order {0};
 int n_log_bins {8000};
 int n_batches;
 int n_max_batches;
+int max_secondaries {10000};
 int max_history_splits {10'000'000};
 int max_tracks {1000};
 ResScatMethod res_scat_method {ResScatMethod::rvs};
@@ -1144,6 +1145,11 @@ void read_settings_xml(pugi::xml_node root)
     weight_windows_on = get_node_value_bool(root, "weight_windows_on");
   }
 
+  if (check_for_node(root, "max_secondaries")) {
+    settings::max_secondaries =
+      std::stoi(get_node_value(root, "max_secondaries"));
+  }
+
   if (check_for_node(root, "max_history_splits")) {
     settings::max_history_splits =
       std::stoi(get_node_value(root, "max_history_splits"));
diff --git a/src/tallies/tally_scoring.cpp b/src/tallies/tally_scoring.cpp
index f078a5c6e..0df80a239 100644
--- a/src/tallies/tally_scoring.cpp
+++ b/src/tallies/tally_scoring.cpp
@@ -1624,8 +1624,7 @@ void score_general_mg(Particle& p, int i_tally, int start_index,
       tally.estimator_ == TallyEstimator::COLLISION) {
     if (settings::survival_biasing) {
       // Determine weight that was absorbed
-      wgt_absorb = p.wgt_last() * p.neutron_xs(p.event_nuclide()).absorption /
-                   p.neutron_xs(p.event_nuclide()).total;
+      wgt_absorb = p.wgt_last() * p.macro_xs().absorption / p.macro_xs().total;
 
       // Then we either are alive and had a scatter (and so g changed),
       // or are dead and g did not change
diff --git a/tests/regression_tests/adj_cell_rotation/results_true.dat b/tests/regression_tests/adj_cell_rotation/results_true.dat
index b3df12e71..ddb1546b5 100644
--- a/tests/regression_tests/adj_cell_rotation/results_true.dat
+++ b/tests/regression_tests/adj_cell_rotation/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.403987E-01 1.514158E-03
+4.368327E-01 1.953533E-03
diff --git a/tests/regression_tests/albedo_box/results_true.dat b/tests/regression_tests/albedo_box/results_true.dat
index 0f571f245..dca80abcd 100644
--- a/tests/regression_tests/albedo_box/results_true.dat
+++ b/tests/regression_tests/albedo_box/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.590800E+00 4.251788E-03
+1.593206E+00 2.925742E-03
diff --git a/tests/regression_tests/asymmetric_lattice/results_true.dat b/tests/regression_tests/asymmetric_lattice/results_true.dat
index 741327d80..3d6b610a6 100644
--- a/tests/regression_tests/asymmetric_lattice/results_true.dat
+++ b/tests/regression_tests/asymmetric_lattice/results_true.dat
@@ -1 +1 @@
-b0ca1fb0436732188b1a199b3250ca9a33782f8fc379b0f7ff9c582e0c794b0a0470df063cafd0b05e802b26f61eaaf9ff5c0a8a672a933246acf49eed3ebf9f
\ No newline at end of file
+cc76769636be4f681137598cf366e978d7347425a1dfa1b293d17a28381b2b62595fb7f0d2f126dd06972ff9e79089a18dd53aba45fa2b1f316515b91fe6495a
\ No newline at end of file
diff --git a/tests/regression_tests/cmfd_feed/results_true.dat b/tests/regression_tests/cmfd_feed/results_true.dat
index f5f22d9ac..1ef9624d4 100644
--- a/tests/regression_tests/cmfd_feed/results_true.dat
+++ b/tests/regression_tests/cmfd_feed/results_true.dat
@@ -1,117 +1,117 @@
 k-combined:
-1.164262E+00 9.207592E-03
+1.181723E+00 9.944883E-03
 tally 1:
-1.156972E+01
-1.339924E+01
-2.136306E+01
-4.567185E+01
-2.859527E+01
-8.195821E+01
-3.470754E+01
-1.207851E+02
-3.766403E+01
-1.422263E+02
-3.778821E+01
-1.432660E+02
-3.573197E+01
-1.278854E+02
-2.849979E+01
-8.135515E+01
-2.073803E+01
-4.303374E+01
-1.112117E+01
-1.242944E+01
+1.169899E+01
+1.373251E+01
+2.142380E+01
+4.605511E+01
+2.968085E+01
+8.838716E+01
+3.561418E+01
+1.271206E+02
+3.777783E+01
+1.428817E+02
+3.805832E+01
+1.450213E+02
+3.439836E+01
+1.184892E+02
+2.852438E+01
+8.161896E+01
+2.088423E+01
+4.376204E+01
+1.076670E+01
+1.168108E+01
 tally 2:
-2.388054E+01
-2.875255E+01
-1.667791E+01
-1.403426E+01
-4.224771E+01
-8.942109E+01
-2.993088E+01
-4.490335E+01
-5.689839E+01
-1.625557E+02
-4.043633E+01
-8.212299E+01
-6.764024E+01
-2.297126E+02
-4.807902E+01
-1.161468E+02
-7.314835E+01
-2.684645E+02
-5.203584E+01
-1.359261E+02
-7.375727E+01
-2.733105E+02
-5.252944E+01
-1.386205E+02
-6.909571E+01
-2.397721E+02
-4.922548E+01
-1.217465E+02
-5.685978E+01
-1.621746E+02
-4.051938E+01
-8.237277E+01
-4.185562E+01
-8.784067E+01
-2.983570E+01
-4.467414E+01
-2.238373E+01
-2.520356E+01
-1.566758E+01
-1.234103E+01
+2.321241E+01
+2.702156E+01
+1.620912E+01
+1.317752E+01
+4.197404E+01
+8.845008E+01
+2.982666E+01
+4.469221E+01
+5.810089E+01
+1.695857E+02
+4.134123E+01
+8.588866E+01
+6.982488E+01
+2.447068E+02
+4.966939E+01
+1.238763E+02
+7.428421E+01
+2.767613E+02
+5.287955E+01
+1.403163E+02
+7.447402E+01
+2.785012E+02
+5.324628E+01
+1.423393E+02
+6.895164E+01
+2.381937E+02
+4.916366E+01
+1.211701E+02
+5.679253E+01
+1.617881E+02
+4.043125E+01
+8.204061E+01
+4.218618E+01
+8.933666E+01
+2.978592E+01
+4.456592E+01
+2.196426E+01
+2.435867E+01
+1.525576E+01
+1.175879E+01
 tally 3:
-1.609520E+01
-1.307542E+01
-1.033429E+00
-5.510889E-02
-2.877073E+01
-4.149542E+01
-1.964219E+00
-1.954692E-01
-3.896816E+01
-7.629752E+01
-2.484053E+00
-3.103733E-01
-4.634285E+01
-1.079367E+02
-2.974750E+00
-4.468223E-01
-5.007964E+01
-1.259202E+02
-3.181802E+00
-5.103621E-01
-5.058915E+01
-1.286193E+02
-3.249442E+00
-5.337712E-01
-4.744464E+01
-1.131026E+02
-3.067644E+00
-4.736335E-01
-3.900632E+01
-7.634433E+01
-2.443552E+00
-3.028060E-01
-2.874166E+01
-4.146375E+01
-1.810421E+00
-1.671667E-01
-1.509222E+01
-1.145579E+01
-1.014919E+00
-5.391053E-02
+1.563788E+01
+1.226528E+01
+1.053289E+00
+5.666942E-02
+2.870755E+01
+4.139654E+01
+1.838017E+00
+1.710528E-01
+3.978616E+01
+7.955764E+01
+2.560657E+00
+3.334449E-01
+4.780385E+01
+1.147770E+02
+3.139243E+00
+4.967628E-01
+5.106650E+01
+1.308704E+02
+3.170056E+00
+5.078920E-01
+5.123992E+01
+1.318586E+02
+3.211706E+00
+5.205979E-01
+4.729862E+01
+1.121695E+02
+3.068662E+00
+4.749488E-01
+3.898816E+01
+7.630564E+01
+2.516911E+00
+3.199696E-01
+2.865357E+01
+4.125742E+01
+1.852314E+00
+1.741116E-01
+1.467340E+01
+1.088460E+01
+9.268633E-01
+4.450662E-02
 tally 4:
-3.148231E+00
-4.974555E-01
+3.029754E+00
+4.613561E-01
 0.000000E+00
 0.000000E+00
-2.805439E+00
-3.982239E-01
-5.574031E+00
-1.561105E+00
+2.832501E+00
+4.049252E-01
+5.517243E+00
+1.527794E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -128,14 +128,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.574031E+00
-1.561105E+00
-2.805439E+00
-3.982239E-01
-5.171038E+00
-1.344877E+00
-7.372031E+00
-2.725420E+00
+5.517243E+00
+1.527794E+00
+2.832501E+00
+4.049252E-01
+5.117178E+00
+1.316972E+00
+7.333303E+00
+2.701677E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -152,14 +152,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.372031E+00
-2.725420E+00
-5.171038E+00
-1.344877E+00
-6.946847E+00
-2.424850E+00
-8.496610E+00
-3.627542E+00
+7.333303E+00
+2.701677E+00
+5.117178E+00
+1.316972E+00
+7.248464E+00
+2.641591E+00
+8.817788E+00
+3.905530E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -176,14 +176,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.496610E+00
-3.627542E+00
-6.946847E+00
-2.424850E+00
-8.479501E+00
-3.607280E+00
-9.261869E+00
-4.305912E+00
+8.817788E+00
+3.905530E+00
+7.248464E+00
+2.641591E+00
+8.646465E+00
+3.749847E+00
+9.460948E+00
+4.495388E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -200,14 +200,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.261869E+00
-4.305912E+00
-8.479501E+00
-3.607280E+00
-9.232858E+00
-4.278432E+00
-9.306384E+00
-4.348594E+00
+9.460948E+00
+4.495388E+00
+8.646465E+00
+3.749847E+00
+9.379341E+00
+4.415049E+00
+9.278640E+00
+4.320720E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -224,14 +224,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.306384E+00
-4.348594E+00
-9.232858E+00
-4.278432E+00
-9.299764E+00
-4.347828E+00
-8.511976E+00
-3.639893E+00
+9.278640E+00
+4.320720E+00
+9.379341E+00
+4.415049E+00
+9.465746E+00
+4.498591E+00
+8.656146E+00
+3.760545E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -248,14 +248,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.511976E+00
-3.639893E+00
-9.299764E+00
-4.347828E+00
-8.726086E+00
-3.819567E+00
-7.147277E+00
-2.562747E+00
+8.656146E+00
+3.760545E+00
+9.465746E+00
+4.498591E+00
+8.589782E+00
+3.700308E+00
+6.996002E+00
+2.456935E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -272,14 +272,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.147277E+00
-2.562747E+00
-8.726086E+00
-3.819567E+00
-7.218790E+00
-2.612243E+00
-5.018287E+00
-1.263077E+00
+6.996002E+00
+2.456935E+00
+8.589782E+00
+3.700308E+00
+7.352050E+00
+2.714808E+00
+5.105164E+00
+1.312559E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -296,14 +296,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.018287E+00
-1.263077E+00
-7.218790E+00
-2.612243E+00
-5.443494E+00
-1.487018E+00
-2.732334E+00
-3.773047E-01
+5.105164E+00
+1.312559E+00
+7.352050E+00
+2.714808E+00
+5.442756E+00
+1.486776E+00
+2.697305E+00
+3.675580E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -320,12 +320,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.732334E+00
-3.773047E-01
-5.443494E+00
-1.487018E+00
-3.044773E+00
-4.655756E-01
+2.697305E+00
+3.675580E-01
+5.442756E+00
+1.486776E+00
+3.017025E+00
+4.571443E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -345,144 +345,144 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-1.609029E+01
-1.306718E+01
-2.230601E+00
-2.559496E-01
-2.876780E+01
-4.148686E+01
-3.835952E+00
-7.456562E-01
-3.895738E+01
-7.625344E+01
-4.841024E+00
-1.197335E+00
-4.633595E+01
-1.079043E+02
-6.236821E+00
-1.963311E+00
-5.007472E+01
-1.258967E+02
-6.749745E+00
-2.297130E+00
-5.058336E+01
-1.285894E+02
-6.727612E+00
-2.315656E+00
-4.743869E+01
-1.130735E+02
-6.338193E+00
-2.042159E+00
-3.899838E+01
-7.631289E+01
-5.187573E+00
-1.359733E+00
-2.873434E+01
-4.144233E+01
-3.815610E+00
-7.367619E-01
-1.509020E+01
-1.145268E+01
-2.125767E+00
-2.341894E-01
+1.563588E+01
+1.226217E+01
+2.209027E+00
+2.507131E-01
+2.870034E+01
+4.137550E+01
+3.726620E+00
+7.021948E-01
+3.977762E+01
+7.952285E+01
+5.304975E+00
+1.427333E+00
+4.779747E+01
+1.147456E+02
+6.528302E+00
+2.151715E+00
+5.105366E+01
+1.308037E+02
+6.986782E+00
+2.467487E+00
+5.123380E+01
+1.318264E+02
+6.845633E+00
+2.383542E+00
+4.729296E+01
+1.121433E+02
+6.252695E+00
+1.977351E+00
+3.898236E+01
+7.628315E+01
+5.461495E+00
+1.528579E+00
+2.864576E+01
+4.123538E+01
+3.857301E+00
+7.581323E-01
+1.467047E+01
+1.088031E+01
+2.277024E+00
+2.679801E-01
 cmfd indices
 1.000000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.129918E+00
-1.143848E+00
-1.147976E+00
-1.151534E+00
-1.152378E+00
-1.148219E+00
-1.150402E+00
-1.154647E+00
-1.156159E+00
-1.160048E+00
-1.167441E+00
-1.168163E+00
-1.168629E+00
-1.164120E+00
-1.165051E+00
-1.169177E+00
+1.169107E+00
+1.175079E+00
+1.173912E+00
+1.175368E+00
+1.174026E+00
+1.181745E+00
+1.182261E+00
+1.183559E+00
+1.178691E+00
+1.179222E+00
+1.179017E+00
+1.172979E+00
+1.175043E+00
+1.173458E+00
+1.174152E+00
+1.171451E+00
 cmfd entropy
-3.224769E+00
-3.225945E+00
-3.227421E+00
-3.226174E+00
-3.224429E+00
-3.227049E+00
-3.230710E+00
-3.230315E+00
-3.226825E+00
-3.226655E+00
-3.226588E+00
-3.224155E+00
-3.223246E+00
-3.222640E+00
-3.223920E+00
-3.222838E+00
+3.207640E+00
+3.210547E+00
+3.212218E+00
+3.209573E+00
+3.211619E+00
+3.212126E+00
+3.213163E+00
+3.214288E+00
+3.215737E+00
+3.213677E+00
+3.214925E+00
+3.215612E+00
+3.216708E+00
+3.221454E+00
+3.219048E+00
+3.218387E+00
 cmfd balance
-3.90454E-03
-4.08089E-03
-3.46511E-03
-4.09535E-03
-2.62009E-03
-2.23559E-03
-2.54033E-03
-2.12799E-03
-2.25864E-03
-1.85766E-03
-1.49916E-03
-1.63471E-03
-1.48377E-03
-1.59800E-03
-1.37354E-03
-1.32853E-03
+4.88208E-03
+4.75139E-03
+3.15783E-03
+3.67091E-03
+2.99797E-03
+2.91060E-03
+2.06576E-03
+1.83482E-03
+1.56292E-03
+1.58659E-03
+2.32986E-03
+1.47376E-03
+1.46673E-03
+1.22627E-03
+1.31963E-03
+1.26456E-03
 cmfd dominance ratio
-5.539E-01
-5.537E-01
-5.536E-01
-5.515E-01
-5.512E-01
-5.514E-01
-5.518E-01
-5.507E-01
-5.500E-01
-5.497E-01
-5.477E-01
-5.461E-01
-5.444E-01
-5.445E-01
-5.454E-01
+5.467E-01
+5.453E-01
+5.458E-01
+5.436E-01
+5.442E-01
+5.406E-01
+5.401E-01
+5.413E-01
+4.995E-01
+5.396E-01
+5.409E-01
+5.414E-01
+5.423E-01
+5.456E-01
+5.442E-01
 5.441E-01
 cmfd openmc source comparison
-9.875240E-03
-1.106163E-02
-9.847628E-03
-6.065921E-03
-5.772039E-03
-4.615656E-03
-4.244331E-03
-3.694299E-03
-3.545814E-03
-3.213063E-03
-3.467537E-03
-3.383489E-03
-3.697591E-03
-3.937358E-03
-3.369124E-03
-3.190359E-03
+9.587418E-03
+8.150978E-03
+6.677661E-03
+6.334727E-03
+5.153692E-03
+5.082964E-03
+4.633153E-03
+4.037383E-03
+3.528742E-03
+4.559089E-03
+3.517370E-03
+3.306117E-03
+2.913809E-03
+1.906045E-03
+1.932794E-03
+1.711341E-03
 cmfd source
-4.360494E-02
-8.397599E-02
-1.074181E-01
-1.294531E-01
-1.385611E-01
-1.407934E-01
-1.325191E-01
-1.044311E-01
-7.660359E-02
-4.263941E-02
+4.496492E-02
+7.869674E-02
+1.100280E-01
+1.354045E-01
+1.363339E-01
+1.380533E-01
+1.314512E-01
+1.077480E-01
+7.847306E-02
+3.884630E-02
diff --git a/tests/regression_tests/cmfd_feed_2g/results_true.dat b/tests/regression_tests/cmfd_feed_2g/results_true.dat
index 2b61d9f4e..e66eae13c 100644
--- a/tests/regression_tests/cmfd_feed_2g/results_true.dat
+++ b/tests/regression_tests/cmfd_feed_2g/results_true.dat
@@ -1,112 +1,112 @@
 k-combined:
-1.035567E+00 9.463160E-03
+1.027434E+00 6.509170E-03
 tally 1:
-1.146535E+02
-1.315267E+03
-1.157458E+02
-1.340166E+03
-1.140491E+02
-1.301364E+03
-1.146589E+02
-1.315433E+03
+1.162758E+02
+1.352562E+03
+1.138125E+02
+1.295815E+03
+1.143712E+02
+1.308316E+03
+1.150293E+02
+1.323834E+03
 tally 2:
-4.319968E+01
-9.360083E+01
-6.373035E+01
-2.038056E+02
-1.889646E+02
-1.812892E+03
-1.024866E+02
-5.254528E+02
-4.323262E+01
-9.360200E+01
-6.363111E+01
-2.028178E+02
-1.849746E+02
-1.711533E+03
-1.034532E+02
-5.352768E+02
-4.296541E+01
-9.249656E+01
-6.346919E+01
-2.018659E+02
-1.888697E+02
-1.812037E+03
-1.025707E+02
-5.262261E+02
-4.691085E+01
-1.269707E+02
-6.299377E+01
-1.990497E+02
-1.853864E+02
-1.719984E+03
-1.023015E+02
-5.235858E+02
+4.284580E+01
+9.207089E+01
+6.335165E+01
+2.014931E+02
+1.894187E+02
+1.818190E+03
+1.033212E+02
+5.340768E+02
+4.282771E+01
+9.186295E+01
+6.295029E+01
+1.983895E+02
+1.834276E+02
+1.684375E+03
+1.022482E+02
+5.228403E+02
+4.330690E+01
+9.402038E+01
+6.395965E+01
+2.053163E+02
+1.851113E+02
+1.714198E+03
+1.030809E+02
+5.314535E+02
+4.337097E+01
+9.426435E+01
+6.417590E+01
+2.063443E+02
+1.846817E+02
+1.706518E+03
+1.027233E+02
+5.279582E+02
 tally 3:
-6.034963E+01
-1.827718E+02
+5.992726E+01
+1.803120E+02
 0.000000E+00
 0.000000E+00
-1.865665E-02
-4.244195E-05
-4.170941E+00
-8.769372E-01
-3.453368E+00
-5.989168E-01
+2.172646E-02
+4.414237E-05
+4.181401E+00
+8.912796E-01
+3.536506E+00
+6.287425E-01
 0.000000E+00
 0.000000E+00
-9.743205E+01
-4.749420E+02
-8.570316E-01
-3.807993E-02
-6.005903E+01
-1.807233E+02
+9.824432E+01
+4.828691E+02
+9.116848E-01
+4.231247E-02
+5.955090E+01
+1.775522E+02
 0.000000E+00
 0.000000E+00
-1.885450E-02
-3.653402E-05
-4.323863E+00
-9.447512E-01
-3.465465E+00
-6.022861E-01
+1.893222E-02
+3.288000E-05
+4.048183E+00
+8.291130E-01
+3.384041E+00
+5.742363E-01
 0.000000E+00
 0.000000E+00
-9.843481E+01
-4.846158E+02
-9.048150E-01
-4.205551E-02
-5.996660E+01
-1.802150E+02
+9.734253E+01
+4.738861E+02
+9.157632E-01
+4.329280E-02
+6.045835E+01
+1.835255E+02
 0.000000E+00
 0.000000E+00
-1.221444E-02
-2.263445E-05
-4.301287E+00
-9.309882E-01
-3.456076E+00
-5.992144E-01
+1.501842E-02
+1.896931E-05
+4.289989E+00
+9.251538E-01
+3.481357E+00
+6.071667E-01
 0.000000E+00
 0.000000E+00
-9.761231E+01
-4.765834E+02
-8.434644E-01
-3.728180E-02
-5.961891E+01
-1.783106E+02
+9.799829E+01
+4.803591E+02
+8.899390E-01
+4.078750E-02
+6.064531E+01
+1.842746E+02
 0.000000E+00
 0.000000E+00
-1.500709E-02
-3.541280E-05
-4.155669E+00
-8.713442E-01
-3.455342E+00
-6.006426E-01
+1.495496E-02
+3.082640E-05
+4.321537E+00
+9.371611E-01
+3.453767E+00
+5.983727E-01
 0.000000E+00
 0.000000E+00
-9.726798E+01
-4.733393E+02
-9.202611E-01
-4.390503E-02
+9.771776E+01
+4.777781E+02
+8.975444E-01
+4.157471E-02
 tally 4:
 0.000000E+00
 0.000000E+00
@@ -116,14 +116,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.943264E+00
-4.008855E+00
-3.661063E+01
-6.704808E+01
-8.945553E+00
-4.011707E+00
-3.696832E+01
-6.835286E+01
+8.840487E+00
+3.915792E+00
+3.700362E+01
+6.851588E+01
+8.756789E+00
+3.844443E+00
+3.672366E+01
+6.747174E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -132,14 +132,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.844569E+00
-3.924591E+00
-3.666726E+01
-6.726522E+01
-8.769637E+00
-3.855006E+00
-3.654115E+01
-6.680777E+01
+8.860460E+00
+3.940908E+00
+3.704658E+01
+6.864069E+01
+8.832046E+00
+3.916611E+00
+3.736239E+01
+6.982147E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -156,14 +156,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.945553E+00
-4.011707E+00
-3.696832E+01
-6.835286E+01
-8.943264E+00
-4.008855E+00
-3.661063E+01
-6.704808E+01
+8.756789E+00
+3.844443E+00
+3.672366E+01
+6.747174E+01
+8.840487E+00
+3.915792E+00
+3.700362E+01
+6.851588E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -180,14 +180,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.648474E+00
-3.752219E+00
-3.689442E+01
-6.808997E+01
-8.757378E+00
-3.850408E+00
-3.716920E+01
-6.909715E+01
+8.892576E+00
+3.964978E+00
+3.703525E+01
+6.860645E+01
+8.824229E+00
+3.906925E+00
+3.685909E+01
+6.796123E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -212,22 +212,22 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.783669E+00
-3.870748E+00
-3.687358E+01
-6.802581E+01
-8.755250E+00
-3.846298E+00
-3.660278E+01
-6.704349E+01
-8.769637E+00
-3.855006E+00
-3.654115E+01
-6.680777E+01
-8.844569E+00
-3.924591E+00
-3.666726E+01
-6.726522E+01
+9.050876E+00
+4.111409E+00
+3.656082E+01
+6.687580E+01
+9.042402E+00
+4.105842E+00
+3.687247E+01
+6.801050E+01
+8.832046E+00
+3.916611E+00
+3.736239E+01
+6.982147E+01
+8.860460E+00
+3.940908E+00
+3.704658E+01
+6.864069E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -252,14 +252,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.755250E+00
-3.846298E+00
-3.660278E+01
-6.704349E+01
-8.783669E+00
-3.870748E+00
-3.687358E+01
-6.802581E+01
+9.042402E+00
+4.105842E+00
+3.687247E+01
+6.801050E+01
+9.050876E+00
+4.111409E+00
+3.656082E+01
+6.687580E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -268,14 +268,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.757378E+00
-3.850408E+00
-3.716920E+01
-6.909715E+01
-8.648474E+00
-3.752219E+00
-3.689442E+01
-6.808997E+01
+8.824229E+00
+3.906925E+00
+3.685909E+01
+6.796123E+01
+8.892576E+00
+3.964978E+00
+3.703525E+01
+6.860645E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -301,133 +301,133 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-6.036829E+01
-1.828885E+02
-1.008777E+02
-5.091033E+02
-1.353211E+01
-9.188155E+00
-4.618716E+01
-1.067410E+02
-6.007789E+01
-1.808371E+02
-1.018892E+02
-5.192269E+02
-1.357961E+01
-9.247052E+00
-4.618560E+01
-1.067058E+02
-5.997882E+01
-1.802895E+02
-1.010597E+02
-5.108478E+02
-1.374955E+01
-9.502494E+00
-4.619500E+01
-1.067547E+02
-5.963392E+01
-1.783999E+02
-1.007134E+02
-5.074700E+02
-1.319398E+01
-8.734106E+00
-4.586295E+01
-1.052870E+02
+5.994898E+01
+1.804403E+02
+1.017670E+02
+5.181130E+02
+1.354160E+01
+9.220935E+00
+4.648971E+01
+1.081636E+02
+5.956983E+01
+1.776668E+02
+1.007226E+02
+5.073592E+02
+1.347883E+01
+9.120344E+00
+4.609907E+01
+1.063127E+02
+6.047337E+01
+1.836168E+02
+1.014777E+02
+5.150557E+02
+1.390508E+01
+9.722899E+00
+4.629251E+01
+1.072027E+02
+6.066027E+01
+1.843661E+02
+1.011648E+02
+5.120629E+02
+1.365982E+01
+9.372236E+00
+4.602994E+01
+1.060579E+02
 cmfd indices
 2.000000E+00
 2.000000E+00
 1.000000E+00
 2.000000E+00
 k cmfd
-1.018115E+00
-1.022665E+00
-1.020323E+00
-1.020653E+00
-1.021036E+00
-1.020623E+00
-1.021482E+00
-1.025450E+00
-1.027292E+00
-1.028065E+00
-1.027065E+00
-1.024275E+00
-1.025309E+00
-1.026039E+00
-1.026700E+00
-1.023865E+00
+1.013488E+00
+1.024396E+00
+1.015533E+00
+1.009319E+00
+1.012726E+00
+1.014831E+00
+1.021757E+00
+1.022002E+00
+1.023619E+00
+1.020953E+00
+1.023910E+00
+1.027657E+00
+1.024501E+00
+1.023838E+00
+1.025464E+00
+1.022802E+00
 cmfd entropy
-1.998965E+00
-1.999214E+00
-1.999348E+00
-1.999366E+00
-1.999564E+00
-1.999453E+00
-1.999533E+00
-1.999630E+00
-1.999739E+00
-1.999588E+00
-1.999581E+00
-1.999719E+00
-1.999773E+00
-1.999764E+00
-1.999821E+00
-1.999843E+00
+1.998974E+00
+1.998742E+00
+1.999128E+00
+1.998952E+00
+1.998951E+00
+1.999439E+00
+1.999626E+00
+1.999826E+00
+1.999513E+00
+1.999451E+00
+1.999514E+00
+1.999590E+00
+1.999563E+00
+1.999604E+00
+1.999742E+00
+1.999736E+00
 cmfd balance
-5.73174E-04
-7.55398E-04
-1.46671E-03
-6.39625E-04
-8.19008E-04
-1.93449E-03
-1.15900E-03
-1.01690E-03
-5.62788E-04
-6.90450E-04
-6.01060E-04
-5.73418E-04
-4.37190E-04
-4.82966E-04
-4.09700E-04
-3.45096E-04
+9.79896E-04
+4.24873E-04
+8.05696E-04
+1.92071E-03
+3.70731E-04
+2.81424E-04
+8.28991E-04
+6.12217E-04
+5.29185E-04
+4.97799E-04
+3.09154E-04
+1.73703E-04
+2.56689E-04
+2.64938E-04
+1.96305E-04
+1.82702E-04
 cmfd dominance ratio
-6.264E-03
-6.142E-03
-5.987E-03
-6.082E-03
-5.895E-03
-5.939E-03
-5.910E-03
-5.948E-03
-6.013E-03
-6.017E-03
-6.024E-03
-6.008E-03
-5.976E-03
-5.987E-03
-5.967E-03
-5.929E-03
+6.304E-03
+6.246E-03
+6.159E-03
+6.249E-03
+6.101E-03
+6.155E-03
+6.010E-03
+6.177E-03
+6.349E-03
+6.241E-03
+6.244E-03
+6.249E-03
+6.270E-03
+6.272E-03
+6.278E-03
+6.290E-03
 cmfd openmc source comparison
-4.832872E-05
-6.552342E-05
-7.516800E-05
-7.916087E-05
-9.022260E-05
-8.574478E-05
-7.891622E-05
-7.281636E-05
-7.750571E-05
-6.565408E-05
-6.078665E-05
-5.834343E-05
-4.758176E-05
-5.723990E-05
-4.994116E-05
-4.116808E-05
+4.046094E-05
+5.979431E-05
+3.836521E-05
+4.577591E-05
+5.012911E-05
+2.114677E-05
+2.074571E-05
+3.042280E-05
+2.408163E-05
+2.434542E-05
+1.190699E-05
+9.499301E-06
+2.354221E-05
+2.937924E-05
+1.889875E-05
+1.913866E-05
 cmfd source
-2.455663E-01
-2.553511E-01
-2.512257E-01
-2.478570E-01
+2.489706E-01
+2.426801E-01
+2.532142E-01
+2.551351E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
diff --git a/tests/regression_tests/cmfd_feed_expanding_window/results_true.dat b/tests/regression_tests/cmfd_feed_expanding_window/results_true.dat
index 8fd8cdbb8..b39f82f96 100644
--- a/tests/regression_tests/cmfd_feed_expanding_window/results_true.dat
+++ b/tests/regression_tests/cmfd_feed_expanding_window/results_true.dat
@@ -1,117 +1,117 @@
 k-combined:
-1.167865E+00 7.492213E-03
+1.170835E+00 5.423480E-03
 tally 1:
-1.146860E+01
-1.318884E+01
-2.161527E+01
-4.685283E+01
-2.951158E+01
-8.733566E+01
-3.521610E+01
-1.242821E+02
-3.774236E+01
-1.426501E+02
-3.727918E+01
-1.391158E+02
-3.377176E+01
-1.143839E+02
-2.904497E+01
-8.452907E+01
-2.090871E+01
-4.384549E+01
-1.078642E+01
-1.168086E+01
+1.205100E+01
+1.456707E+01
+2.183882E+01
+4.781179E+01
+2.844010E+01
+8.102358E+01
+3.356334E+01
+1.130832E+02
+3.660829E+01
+1.344973E+02
+3.697740E+01
+1.371500E+02
+3.400119E+01
+1.160196E+02
+2.839868E+01
+8.083199E+01
+2.140398E+01
+4.615447E+01
+1.118179E+01
+1.262942E+01
 tally 2:
-1.136810E+00
-1.292338E+00
-7.987303E-01
-6.379700E-01
-2.266938E+00
-5.139009E+00
-1.613483E+00
-2.603328E+00
-3.046349E+00
-9.280239E+00
-2.182459E+00
-4.763126E+00
-3.568068E+00
-1.273111E+01
-2.532456E+00
-6.413333E+00
-3.989504E+00
-1.591614E+01
-2.848301E+00
-8.112818E+00
-3.853133E+00
-1.484663E+01
-2.718493E+00
-7.390202E+00
-3.478138E+00
-1.209745E+01
-2.467281E+00
-6.087476E+00
-2.952220E+00
-8.715605E+00
-2.103261E+00
-4.423706E+00
-1.917459E+00
-3.676649E+00
-1.378369E+00
-1.899902E+00
-1.048240E+00
-1.098807E+00
-7.511947E-01
-5.642934E-01
+1.218245E+00
+1.484121E+00
+8.387442E-01
+7.034918E-01
+2.142134E+00
+4.588738E+00
+1.526727E+00
+2.330895E+00
+2.736157E+00
+7.486556E+00
+1.973921E+00
+3.896363E+00
+3.606244E+00
+1.300500E+01
+2.537580E+00
+6.439313E+00
+3.668958E+00
+1.346126E+01
+2.599095E+00
+6.755294E+00
+3.647982E+00
+1.330777E+01
+2.539750E+00
+6.450332E+00
+3.118921E+00
+9.727669E+00
+2.186447E+00
+4.780549E+00
+2.881110E+00
+8.300795E+00
+2.042635E+00
+4.172360E+00
+2.045602E+00
+4.184486E+00
+1.458384E+00
+2.126884E+00
+1.022124E+00
+1.044738E+00
+7.112678E-01
+5.059018E-01
 tally 3:
-7.701233E-01
-5.930898E-01
-4.481585E-02
-2.008461E-03
-1.547307E+00
-2.394158E+00
-1.226539E-01
-1.504398E-02
-2.106373E+00
-4.436806E+00
-1.450618E-01
-2.104294E-02
-2.437654E+00
-5.942157E+00
-1.521380E-01
-2.314598E-02
-2.754639E+00
-7.588038E+00
-1.745460E-01
-3.046629E-02
-2.623852E+00
-6.884601E+00
-1.851602E-01
-3.428432E-02
-2.376886E+00
-5.649588E+00
-1.615729E-01
-2.610582E-02
-2.021856E+00
-4.087900E+00
-1.533174E-01
-2.350622E-02
-1.333190E+00
-1.777397E+00
-7.076188E-02
-5.007243E-03
-7.258527E-01
-5.268622E-01
-3.656030E-02
-1.336656E-03
+8.048428E-01
+6.477720E-01
+6.603741E-02
+4.360940E-03
+1.466886E+00
+2.151755E+00
+1.002354E-01
+1.004713E-02
+1.909238E+00
+3.645189E+00
+1.202824E-01
+1.446786E-02
+2.443130E+00
+5.968886E+00
+1.627351E-01
+2.648270E-02
+2.492602E+00
+6.213064E+00
+1.910368E-01
+3.649506E-02
+2.437262E+00
+5.940245E+00
+1.568389E-01
+2.459843E-02
+2.104091E+00
+4.427200E+00
+1.450465E-01
+2.103848E-02
+1.965900E+00
+3.864762E+00
+1.367918E-01
+1.871199E-02
+1.402871E+00
+1.968047E+00
+1.061316E-01
+1.126391E-02
+6.832689E-01
+4.668565E-01
+4.599034E-02
+2.115112E-03
 tally 4:
-1.667432E-01
-2.780328E-02
+1.497312E-01
+2.241943E-02
 0.000000E+00
 0.000000E+00
-1.292567E-01
-1.670730E-02
-2.813370E-01
-7.915052E-02
+1.535839E-01
+2.358801E-02
+2.882052E-01
+8.306225E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -128,14 +128,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.813370E-01
-7.915052E-02
-1.292567E-01
-1.670730E-02
-2.670549E-01
-7.131835E-02
-4.055324E-01
-1.644566E-01
+2.882052E-01
+8.306225E-02
+1.535839E-01
+2.358801E-02
+2.526805E-01
+6.384743E-02
+3.616220E-01
+1.307705E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -152,14 +152,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.055324E-01
-1.644566E-01
-2.670549E-01
-7.131835E-02
-3.848125E-01
-1.480807E-01
-4.809430E-01
-2.313062E-01
+3.616220E-01
+1.307705E-01
+2.526805E-01
+6.384743E-02
+3.594306E-01
+1.291904E-01
+4.229730E-01
+1.789062E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -176,14 +176,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.809430E-01
-2.313062E-01
-3.848125E-01
-1.480807E-01
-4.543918E-01
-2.064719E-01
-5.106133E-01
-2.607260E-01
+4.229730E-01
+1.789062E-01
+3.594306E-01
+1.291904E-01
+3.973299E-01
+1.578711E-01
+4.255879E-01
+1.811250E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -200,14 +200,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.106133E-01
-2.607260E-01
-4.543918E-01
-2.064719E-01
-4.543120E-01
-2.063994E-01
-4.626328E-01
-2.140291E-01
+4.255879E-01
+1.811250E-01
+3.973299E-01
+1.578711E-01
+4.633933E-01
+2.147333E-01
+4.672837E-01
+2.183540E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -224,14 +224,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.626328E-01
-2.140291E-01
-4.543120E-01
-2.063994E-01
-4.827759E-01
-2.330726E-01
-4.442622E-01
-1.973689E-01
+4.672837E-01
+2.183540E-01
+4.633933E-01
+2.147333E-01
+4.251073E-01
+1.807162E-01
+3.842922E-01
+1.476805E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -248,14 +248,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.442622E-01
-1.973689E-01
-4.827759E-01
-2.330726E-01
-4.630420E-01
-2.144079E-01
-3.886524E-01
-1.510507E-01
+3.842922E-01
+1.476805E-01
+4.251073E-01
+1.807162E-01
+4.045096E-01
+1.636280E-01
+3.192860E-01
+1.019436E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -272,14 +272,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.886524E-01
-1.510507E-01
-4.630420E-01
-2.144079E-01
-3.535870E-01
-1.250237E-01
-2.530312E-01
-6.402478E-02
+3.192860E-01
+1.019436E-01
+4.045096E-01
+1.636280E-01
+3.738326E-01
+1.397508E-01
+2.598153E-01
+6.750398E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -296,14 +296,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.530312E-01
-6.402478E-02
-3.535870E-01
-1.250237E-01
-2.465524E-01
-6.078808E-02
-1.197152E-01
-1.433173E-02
+2.598153E-01
+6.750398E-02
+3.738326E-01
+1.397508E-01
+2.453191E-01
+6.018146E-02
+1.098964E-01
+1.207721E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -320,12 +320,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.197152E-01
-1.433173E-02
-2.465524E-01
-6.078808E-02
-1.369631E-01
-1.875888E-02
+1.098964E-01
+1.207721E-02
+2.453191E-01
+6.018146E-02
+1.458094E-01
+2.126039E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -345,119 +345,119 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-7.701233E-01
-5.930898E-01
-1.386250E-01
-1.921688E-02
-1.547307E+00
-2.394158E+00
-2.630277E-01
-6.918357E-02
-2.106373E+00
-4.436806E+00
-2.807880E-01
-7.884187E-02
-2.435849E+00
-5.933361E+00
-3.322060E-01
-1.103608E-01
-2.753634E+00
-7.582501E+00
-3.825922E-01
-1.463768E-01
-2.623852E+00
-6.884601E+00
-3.888710E-01
-1.512206E-01
-2.376886E+00
-5.649588E+00
-3.196217E-01
-1.021581E-01
-2.021856E+00
-4.087900E+00
-2.897881E-01
-8.397715E-02
-1.333190E+00
-1.777397E+00
-1.627110E-01
-2.647486E-02
-7.258527E-01
-5.268622E-01
-9.348666E-02
-8.739755E-03
+8.048428E-01
+6.477720E-01
+1.018934E-01
+1.038226E-02
+1.466886E+00
+2.151755E+00
+1.414681E-01
+2.001322E-02
+1.909238E+00
+3.645189E+00
+2.450211E-01
+6.003535E-02
+2.443130E+00
+5.968886E+00
+3.360056E-01
+1.128997E-01
+2.492602E+00
+6.213064E+00
+3.266277E-01
+1.066856E-01
+2.437262E+00
+5.940245E+00
+2.878100E-01
+8.283461E-02
+2.104091E+00
+4.427200E+00
+3.440457E-01
+1.183675E-01
+1.965900E+00
+3.864762E+00
+2.880615E-01
+8.297945E-02
+1.401955E+00
+1.965478E+00
+1.646479E-01
+2.710892E-02
+6.832689E-01
+4.668565E-01
+1.147413E-01
+1.316557E-02
 cmfd indices
 1.000000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.149077E+00
-1.156751E+00
-1.158648E+00
-1.159506E+00
-1.156567E+00
-1.160259E+00
-1.150345E+00
-1.149846E+00
-1.151606E+00
-1.164544E+00
-1.174648E+00
+1.181376E+00
+1.176656E+00
+1.161939E+00
+1.163552E+00
+1.163035E+00
+1.170382E+00
+1.160597E+00
+1.154301E+00
+1.159007E+00
+1.148290E+00
+1.157088E+00
 cmfd entropy
-3.216173E+00
-3.228717E+00
-3.220402E+00
-3.214352E+00
-3.215636E+00
-3.213599E+00
-3.212854E+00
-3.213131E+00
-3.213196E+00
-3.205474E+00
-3.202869E+00
+3.246419E+00
+3.246511E+00
+3.252247E+00
+3.240919E+00
+3.237600E+00
+3.233990E+00
+3.234226E+00
+3.229356E+00
+3.224272E+00
+3.225381E+00
+3.226778E+00
 cmfd balance
-3.08825E-03
-1.42345E-03
-1.21253E-03
-1.17694E-03
-1.05901E-03
-9.29611E-04
-1.35587E-03
-1.13579E-03
-1.14964E-03
-1.29313E-03
-1.46566E-03
+4.18486E-03
+1.72126E-03
+1.10899E-03
+1.88170E-03
+1.31646E-03
+1.34128E-03
+1.57944E-03
+2.11251E-03
+1.79912E-03
+1.86000E-03
+1.47765E-03
 cmfd dominance ratio
 5.524E-01
-5.614E-01
-5.522E-01
-5.487E-01
-5.482E-01
-5.446E-01
-5.437E-01
-5.429E-01
-5.407E-01
-5.380E-01
-5.377E-01
+5.597E-01
+5.622E-01
+5.544E-01
+5.541E-01
+5.519E-01
+5.532E-01
+5.550E-01
+5.484E-01
+5.497E-01
+5.500E-01
 cmfd openmc source comparison
-1.586045E-02
-6.953134E-03
-6.860419E-03
-6.198467E-03
-5.142854E-03
-4.373354E-03
-5.564831E-03
-4.184765E-03
-1.867780E-03
-2.734784E-03
-2.523985E-03
+1.905464E-03
+4.145126E-03
+2.465876E-03
+2.346755E-03
+1.848120E-03
+3.263822E-03
+3.641639E-03
+4.031509E-03
+4.999010E-03
+6.640746E-03
+5.691414E-03
 cmfd source
-4.241440E-02
-8.226026E-02
-1.180811E-01
-1.328433E-01
-1.412410E-01
-1.424902E-01
-1.269340E-01
-1.096490E-01
-6.953251E-02
-3.455422E-02
+4.951338E-02
+8.478025E-02
+1.083132E-01
+1.301432E-01
+1.341190E-01
+1.445825E-01
+1.255119E-01
+1.063303E-01
+7.830158E-02
+3.840469E-02
diff --git a/tests/regression_tests/cmfd_feed_ng/results_true.dat b/tests/regression_tests/cmfd_feed_ng/results_true.dat
index 153238bfe..4ea1515f1 100644
--- a/tests/regression_tests/cmfd_feed_ng/results_true.dat
+++ b/tests/regression_tests/cmfd_feed_ng/results_true.dat
@@ -1,208 +1,208 @@
 k-combined:
-1.005987E+00 1.354263E-02
+1.008852E+00 9.028695E-03
 tally 1:
-1.140273E+02
-1.301245E+03
-1.147962E+02
-1.319049E+03
-1.151426E+02
-1.326442E+03
-1.149265E+02
-1.321518E+03
+1.151271E+02
+1.325871E+03
+1.143934E+02
+1.309051E+03
+1.142507E+02
+1.306616E+03
+1.140242E+02
+1.300786E+03
 tally 2:
-3.462748E+01
-7.542476E+01
-5.129219E+01
-1.658142E+02
-1.034704E+01
-6.730603E+00
-8.672967E+00
-4.715295E+00
-1.344669E+02
-1.132019E+03
-7.262519E+01
-3.300787E+02
-3.447358E+01
-7.459545E+01
-5.075836E+01
-1.619570E+02
-1.080516E+01
-7.366369E+00
-8.908065E+00
-4.991975E+00
-1.354224E+02
-1.146824E+03
-7.300078E+01
-3.332531E+02
-3.432298E+01
-7.388666E+01
-5.096378E+01
-1.627979E+02
-1.053664E+01
-7.029789E+00
-8.826624E+00
-4.904429E+00
-1.388389E+02
-1.207280E+03
-7.376623E+01
-3.403211E+02
-4.383841E+01
-1.943331E+02
-5.165881E+01
-1.675923E+02
-1.059646E+01
-7.048052E+00
-8.763673E+00
-4.823505E+00
-1.378179E+02
-1.188104E+03
-7.431708E+01
-3.453746E+02
+3.403617E+01
+7.260478E+01
+5.031678E+01
+1.588977E+02
+1.003700E+01
+6.373741E+00
+8.514575E+00
+4.571811E+00
+1.413036E+02
+1.264708E+03
+7.321799E+01
+3.353408E+02
+3.354839E+01
+7.052647E+01
+4.895930E+01
+1.501243E+02
+9.972495E+00
+6.271276E+00
+8.436263E+00
+4.481319E+00
+1.353506E+02
+1.146040E+03
+7.309382E+01
+3.341751E+02
+3.389861E+01
+7.205501E+01
+5.005946E+01
+1.571210E+02
+1.041650E+01
+6.810868E+00
+8.839753E+00
+4.897617E+00
+1.344145E+02
+1.130242E+03
+7.270373E+01
+3.307223E+02
+3.347928E+01
+7.040185E+01
+4.940585E+01
+1.535767E+02
+9.898649E+00
+6.175319E+00
+8.406032E+00
+4.442856E+00
+1.374544E+02
+1.182191E+03
+7.334301E+01
+3.365399E+02
 tally 3:
-4.858880E+01
-1.488705E+02
+4.755532E+01
+1.419592E+02
 0.000000E+00
 0.000000E+00
-8.148667E-03
-1.337050E-05
+1.628248E-02
+3.680742E-05
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.347376E+00
-7.045574E-01
-2.433484E+00
-3.727266E-01
+3.347160E+00
+7.104290E-01
+2.453669E+00
+3.797470E-01
 0.000000E+00
 0.000000E+00
-6.095478E+00
-2.332622E+00
+5.925795E+00
+2.220734E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.235421E-01
-1.205155E-03
-3.647699E-01
-8.953589E-03
+9.542527E-02
+1.118856E-03
+3.018759E-01
+6.371059E-03
 0.000000E+00
 0.000000E+00
-2.673965E+00
-4.517972E-01
+2.501316E+00
+3.938401E-01
 0.000000E+00
 0.000000E+00
-6.841105E+01
-2.929195E+02
-5.902473E-01
-2.307683E-02
-4.792291E+01
-1.444397E+02
+6.926265E+01
+3.001504E+02
+6.765221E-01
+2.991787E-02
+4.605523E+01
+1.328435E+02
 0.000000E+00
 0.000000E+00
-2.183275E-02
-8.061011E-05
+1.687782E-02
+3.921162E-05
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.435826E+00
-7.480244E-01
-2.450829E+00
-3.800327E-01
+3.481608E+00
+7.705602E-01
+2.439374E+00
+3.779705E-01
 0.000000E+00
 0.000000E+00
-6.331358E+00
-2.530492E+00
+5.855806E+00
+2.162361E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.012941E-01
-8.217580E-04
-2.981274E-01
-5.863186E-03
+1.016677E-01
+9.263706E-04
+3.264878E-01
+7.385168E-03
 0.000000E+00
 0.000000E+00
-2.535628E+00
-4.048310E-01
+2.519730E+00
+3.986182E-01
 0.000000E+00
 0.000000E+00
-6.912003E+01
-2.987684E+02
-5.984862E-01
-2.386115E-02
-4.822881E+01
-1.458309E+02
+6.920950E+01
+2.996184E+02
+5.985719E-01
+2.368062E-02
+4.730723E+01
+1.403550E+02
 0.000000E+00
 0.000000E+00
-1.525590E-02
-3.794082E-05
+6.800415E-03
+1.163614E-05
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.314494E+00
-6.944527E-01
-2.424209E+00
-3.691360E-01
+3.347607E+00
+7.085691E-01
+2.556997E+00
+4.109118E-01
 0.000000E+00
 0.000000E+00
-6.254897E+00
-2.474317E+00
+6.171063E+00
+2.391770E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.112542E-01
-1.051688E-03
-3.234880E-01
-7.156753E-03
+7.942016E-02
+5.628747E-04
+3.456912E-01
+7.940086E-03
 0.000000E+00
 0.000000E+00
-2.474142E+00
-3.837496E-01
+2.684459E+00
+4.546338E-01
 0.000000E+00
 0.000000E+00
-6.987095E+01
-3.053358E+02
-5.928782E-01
-2.368116E-02
-4.885415E+01
-1.499856E+02
+6.850588E+01
+2.936078E+02
+6.458806E-01
+2.672541E-02
+4.673301E+01
+1.374202E+02
 0.000000E+00
 0.000000E+00
-1.262416E-02
-2.486286E-05
+1.504681E-02
+4.202606E-05
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.426826E+00
-7.480396E-01
-2.487209E+00
-3.903882E-01
+3.139138E+00
+6.206027E-01
+2.341735E+00
+3.454035E-01
 0.000000E+00
 0.000000E+00
-6.127303E+00
-2.364605E+00
+5.923755E+00
+2.216341E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.439007E-02
-1.082564E-03
-2.963491E-01
-5.652952E-03
+7.030156E-02
+4.283974E-04
+3.247594E-01
+7.133772E-03
 0.000000E+00
 0.000000E+00
-2.620696E+00
-4.311792E-01
+2.559691E+00
+4.119674E-01
 0.000000E+00
 0.000000E+00
-7.030725E+01
-3.091241E+02
-5.986966E-01
-2.352487E-02
+6.938051E+01
+3.012078E+02
+5.159565E-01
+1.730381E-02
 tally 4:
 0.000000E+00
 0.000000E+00
@@ -216,18 +216,18 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.028624E+00
-3.105990E+00
-2.154648E+00
-2.948865E-01
-2.714077E+01
-4.607926E+01
-7.035506E+00
-3.118549E+00
-2.085916E+00
-2.730884E-01
-2.750091E+01
-4.731304E+01
+7.028166E+00
+3.103666E+00
+2.028371E+00
+2.606104E-01
+2.715466E+01
+4.614452E+01
+6.981028E+00
+3.059096E+00
+2.032450E+00
+2.610410E-01
+2.734281E+01
+4.675062E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -240,18 +240,18 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.170567E+00
-3.240715E+00
-2.131758E+00
-2.862355E-01
-2.747702E+01
-4.722977E+01
-7.068817E+00
-3.139275E+00
-2.095865E+00
-2.762179E-01
-2.737835E+01
-4.688689E+01
+6.969559E+00
+3.054867E+00
+2.042871E+00
+2.624815E-01
+2.766332E+01
+4.787778E+01
+7.022610E+00
+3.098329E+00
+2.109973E+00
+2.824233E-01
+2.733826E+01
+4.676309E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -276,18 +276,18 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.035506E+00
-3.118549E+00
-2.085916E+00
-2.730884E-01
-2.750091E+01
-4.731304E+01
-7.028624E+00
-3.105990E+00
-2.154648E+00
-2.948865E-01
-2.714077E+01
-4.607926E+01
+6.981028E+00
+3.059096E+00
+2.032450E+00
+2.610410E-01
+2.734281E+01
+4.675062E+01
+7.028166E+00
+3.103666E+00
+2.028371E+00
+2.606104E-01
+2.715466E+01
+4.614452E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -312,18 +312,18 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.103896E+00
-3.171147E+00
-2.095666E+00
-2.756673E-01
-2.711842E+01
-4.600196E+01
-7.197270E+00
-3.255501E+00
-2.046179E+00
-2.630301E-01
-2.729901E+01
-4.662030E+01
+6.782152E+00
+2.885448E+00
+1.951138E+00
+2.400912E-01
+2.739652E+01
+4.697696E+01
+6.873220E+00
+2.965563E+00
+1.999066E+00
+2.521586E-01
+2.732700E+01
+4.670990E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -360,30 +360,30 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.240906E+00
-3.296285E+00
-2.130816E+00
-2.850713E-01
-2.761433E+01
-4.771548E+01
-7.126427E+00
-3.199209E+00
-2.177254E+00
-2.998765E-01
-2.754936E+01
-4.748447E+01
-7.068817E+00
-3.139275E+00
-2.095865E+00
-2.762179E-01
-2.737835E+01
-4.688689E+01
-7.170567E+00
-3.240715E+00
-2.131758E+00
-2.862355E-01
-2.747702E+01
-4.722977E+01
+6.933695E+00
+3.028826E+00
+2.080336E+00
+2.719620E-01
+2.726925E+01
+4.650782E+01
+6.836291E+00
+2.935998E+00
+2.124868E+00
+2.841370E-01
+2.709685E+01
+4.591604E+01
+7.022610E+00
+3.098329E+00
+2.109973E+00
+2.824233E-01
+2.733826E+01
+4.676309E+01
+6.969559E+00
+3.054867E+00
+2.042871E+00
+2.624815E-01
+2.766332E+01
+4.787778E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -420,18 +420,18 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.126427E+00
-3.199209E+00
-2.177254E+00
-2.998765E-01
-2.754936E+01
-4.748447E+01
-7.240906E+00
-3.296285E+00
-2.130816E+00
-2.850713E-01
-2.761433E+01
-4.771548E+01
+6.836291E+00
+2.935998E+00
+2.124868E+00
+2.841370E-01
+2.709685E+01
+4.591604E+01
+6.933695E+00
+3.028826E+00
+2.080336E+00
+2.719620E-01
+2.726925E+01
+4.650782E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -444,18 +444,18 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.197270E+00
-3.255501E+00
-2.046179E+00
-2.630301E-01
-2.729901E+01
-4.662030E+01
-7.103896E+00
-3.171147E+00
-2.095666E+00
-2.756673E-01
-2.711842E+01
-4.600196E+01
+6.873220E+00
+2.965563E+00
+1.999066E+00
+2.521586E-01
+2.732700E+01
+4.670990E+01
+6.782152E+00
+2.885448E+00
+1.951138E+00
+2.400912E-01
+2.739652E+01
+4.697696E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -493,124 +493,124 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-4.859695E+01
-1.489217E+02
-8.528963E+00
-4.561881E+00
-7.144500E+01
-3.194467E+02
-1.120265E+01
-7.944038E+00
-4.009821E+00
-1.012575E+00
-3.235456E+01
-6.558658E+01
-4.794474E+01
-1.445671E+02
-8.782187E+00
-4.852477E+00
-7.195036E+01
-3.237389E+02
-1.075572E+01
-7.333822E+00
-4.084680E+00
-1.054714E+00
-3.267154E+01
-6.675266E+01
-4.824407E+01
-1.459220E+02
-8.679106E+00
-4.742342E+00
-7.266858E+01
-3.302641E+02
-1.094872E+01
-7.536318E+00
-3.935828E+00
-9.749543E-01
-3.319517E+01
-6.894791E+01
-4.886677E+01
-1.500624E+02
-8.614512E+00
-4.662618E+00
-7.321408E+01
-3.352172E+02
-1.095123E+01
-7.574359E+00
-3.885927E+00
-9.539315E-01
-3.334065E+01
-6.953215E+01
+4.757160E+01
+1.420561E+02
+8.379464E+00
+4.426892E+00
+7.205748E+01
+3.248178E+02
+1.047742E+01
+6.922945E+00
+3.879420E+00
+9.517577E-01
+3.297227E+01
+6.802001E+01
+4.607211E+01
+1.329402E+02
+8.295180E+00
+4.334618E+00
+7.205259E+01
+3.247324E+02
+1.059307E+01
+7.039382E+00
+3.783039E+00
+9.030658E-01
+3.288052E+01
+6.762048E+01
+4.731403E+01
+1.403940E+02
+8.728060E+00
+4.774750E+00
+7.152809E+01
+3.200993E+02
+1.074636E+01
+7.270116E+00
+4.007351E+00
+1.010562E+00
+3.249303E+01
+6.611829E+01
+4.674806E+01
+1.375015E+02
+8.265491E+00
+4.296947E+00
+7.226174E+01
+3.267127E+02
+1.079228E+01
+7.340408E+00
+3.843888E+00
+9.273339E-01
+3.300391E+01
+6.823122E+01
 cmfd indices
 2.000000E+00
 2.000000E+00
 1.000000E+00
 3.000000E+00
 k cmfd
-1.026473E+00
-1.024183E+00
-1.023151E+00
-1.025047E+00
-1.019801E+00
-1.020492E+00
-1.015249E+00
-1.016714E+00
-1.016047E+00
-1.019687E+00
-1.020955E+00
+1.011190E+00
+1.010705E+00
+1.014132E+00
+1.015900E+00
+1.019132E+00
+1.022616E+00
+1.023007E+00
+1.022300E+00
+1.014692E+00
+1.007628E+00
+1.006204E+00
 cmfd entropy
-1.999640E+00
-1.999556E+00
-1.999484E+00
-1.999718E+00
-1.999697E+00
-1.999657E+00
-1.999883E+00
-1.999902E+00
-1.999977E+00
-1.999977E+00
-1.999906E+00
+1.999167E+00
+1.999076E+00
+1.998507E+00
+1.997924E+00
+1.997814E+00
+1.997752E+00
+1.997882E+00
+1.998074E+00
+1.998109E+00
+1.998301E+00
+1.998581E+00
 cmfd balance
-8.10090E-04
-1.28103E-03
-7.97200E-04
-5.82188E-04
-7.20670E-04
-7.31475E-04
-5.71904E-04
-6.14057E-04
-6.00142E-04
-5.47870E-04
-3.53604E-04
+9.30124E-04
+2.56632E-04
+3.62598E-04
+4.17543E-04
+5.25720E-04
+4.90208E-04
+3.61304E-04
+2.24090E-04
+1.86602E-04
+1.78395E-04
+6.42497E-05
 cmfd dominance ratio
-3.977E-03
-4.018E-03
-3.950E-03
-3.866E-03
-3.840E-03
-3.888E-03
-3.867E-03
-3.896E-03
-3.924E-03
-3.885E-03
-3.913E-03
+4.194E-03
+4.234E-03
+4.149E-03
+4.209E-03
+4.185E-03
+4.197E-03
+4.175E-03
+4.105E-03
+4.056E-03
+4.122E-03
+4.113E-03
 cmfd openmc source comparison
-4.787501E-05
-4.450525E-05
-2.532345E-05
-3.844307E-05
-4.821504E-05
-4.840760E-05
-3.739246E-05
-3.957960E-05
-4.521480E-05
-4.072007E-05
-2.532636E-05
+2.078995E-05
+2.415218E-05
+3.311536E-05
+3.598613E-05
+3.156455E-05
+2.737017E-05
+2.468500E-05
+2.514215E-05
+1.601626E-05
+1.424027E-05
+4.201148E-06
 cmfd source
-2.486236E-01
-2.531628E-01
-2.460219E-01
-2.521918E-01
+2.558585E-01
+2.597562E-01
+2.529866E-01
+2.313986E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
diff --git a/tests/regression_tests/cmfd_feed_rectlin/results_true.dat b/tests/regression_tests/cmfd_feed_rectlin/results_true.dat
index 600b5d152..a98f3fbd3 100644
--- a/tests/regression_tests/cmfd_feed_rectlin/results_true.dat
+++ b/tests/regression_tests/cmfd_feed_rectlin/results_true.dat
@@ -1,149 +1,149 @@
 k-combined:
-1.160561E+00 1.029736E-02
+1.157362E+00 9.651846E-03
 tally 1:
-1.089904E+01
-1.193573E+01
-2.026534E+01
-4.113383E+01
-2.723584E+01
-7.440537E+01
-3.309956E+01
-1.101184E+02
-3.659327E+01
-1.341221E+02
-3.780158E+01
-1.430045E+02
-3.520883E+01
-1.241772E+02
-2.961801E+01
-8.784675E+01
-2.182029E+01
-4.781083E+01
-1.180347E+01
-1.399970E+01
+1.160989E+01
+1.351117E+01
+2.127132E+01
+4.540172E+01
+2.903242E+01
+8.450044E+01
+3.443549E+01
+1.188763E+02
+3.678332E+01
+1.355586E+02
+3.760088E+01
+1.418740E+02
+3.433077E+01
+1.181837E+02
+2.861986E+01
+8.231285E+01
+2.182277E+01
+4.792086E+01
+1.138713E+01
+1.304425E+01
 tally 2:
-8.794706E+00
-3.939413E+00
-6.131113E+00
-1.913116E+00
-3.265522E+01
-5.364042E+01
-2.304238E+01
-2.672742E+01
-2.250225E+01
-2.541491E+01
-1.601668E+01
-1.288405E+01
-5.525355E+01
-1.531915E+02
-3.929637E+01
-7.748545E+01
-3.222711E+01
-5.216630E+01
-2.285375E+01
-2.623641E+01
-7.051908E+01
-2.495413E+02
-5.010064E+01
-1.259701E+02
-3.728726E+01
-6.974440E+01
-2.652872E+01
-3.530919E+01
-3.747306E+01
-7.058235E+01
-2.681415E+01
-3.613314E+01
-7.296802E+01
-2.669214E+02
-5.202502E+01
-1.356733E+02
-3.333947E+01
-5.579355E+01
-2.361733E+01
-2.800800E+01
-5.785916E+01
-1.680561E+02
-4.093282E+01
-8.410711E+01
-2.377151E+01
-2.842464E+01
-1.681789E+01
-1.423646E+01
-3.422028E+01
-5.880493E+01
-2.415199E+01
-2.930240E+01
-8.890608E+00
-3.986356E+00
-6.140159E+00
-1.897764E+00
+8.861425E+00
+3.953963E+00
+6.090757E+00
+1.866235E+00
+3.309260E+01
+5.493482E+01
+2.330765E+01
+2.725350E+01
+2.295343E+01
+2.647375E+01
+1.629166E+01
+1.334081E+01
+5.714234E+01
+1.640293E+02
+4.054051E+01
+8.261123E+01
+3.331786E+01
+5.565082E+01
+2.366345E+01
+2.807637E+01
+7.034800E+01
+2.485209E+02
+5.001286E+01
+1.256087E+02
+3.651223E+01
+6.686058E+01
+2.606851E+01
+3.408881E+01
+3.729833E+01
+6.997492E+01
+2.657970E+01
+3.553107E+01
+7.212382E+01
+2.611253E+02
+5.124647E+01
+1.318756E+02
+3.304529E+01
+5.486643E+01
+2.347504E+01
+2.771353E+01
+5.711252E+01
+1.640619E+02
+4.060288E+01
+8.298231E+01
+2.384078E+01
+2.855909E+01
+1.684046E+01
+1.426180E+01
+3.329487E+01
+5.573544E+01
+2.349871E+01
+2.776487E+01
+8.676886E+00
+3.814132E+00
+5.980976E+00
+1.815143E+00
 tally 3:
-5.925339E+00
-1.788596E+00
-3.912632E-01
-8.061838E-03
-2.215544E+01
-2.471404E+01
-1.465191E+00
-1.092622E-01
-1.542988E+01
-1.195626E+01
-1.022876E+00
-5.356825E-02
-3.792029E+01
-7.218149E+01
-2.370476E+00
-2.839465E-01
-2.200154E+01
-2.432126E+01
-1.360836E+00
-9.402424E-02
-4.824980E+01
-1.168447E+02
-3.124366E+00
-4.907460E-01
-2.557420E+01
-3.282066E+01
-1.725855E+00
-1.519830E-01
-2.577963E+01
-3.341077E+01
-1.654042E+00
-1.386845E-01
-5.008220E+01
-1.257610E+02
-3.223857E+00
-5.237360E-01
-2.273380E+01
-2.595325E+01
-1.438369E+00
-1.050840E-01
-3.938822E+01
-7.789691E+01
-2.648324E+00
-3.559703E-01
-1.623604E+01
-1.327214E+01
-1.058882E+00
-5.680630E-02
-2.325730E+01
-2.717892E+01
-1.584276E+00
-1.275868E-01
-5.937929E+00
-1.774847E+00
-3.866918E-01
-7.994353E-03
+5.847135E+00
+1.719612E+00
+3.960040E-01
+8.297721E-03
+2.245534E+01
+2.530222E+01
+1.468678E+00
+1.094031E-01
+1.571194E+01
+1.240597E+01
+1.004169E+00
+5.156464E-02
+3.901605E+01
+7.652715E+01
+2.648696E+00
+3.571840E-01
+2.275978E+01
+2.597555E+01
+1.456067E+00
+1.075035E-01
+4.821184E+01
+1.167725E+02
+3.105774E+00
+4.859873E-01
+2.519281E+01
+3.183845E+01
+1.595498E+00
+1.292133E-01
+2.560583E+01
+3.297409E+01
+1.673871E+00
+1.429651E-01
+4.930025E+01
+1.220909E+02
+3.206604E+00
+5.220919E-01
+2.255825E+01
+2.560134E+01
+1.422870E+00
+1.027151E-01
+3.910818E+01
+7.698933E+01
+2.568903E+00
+3.333385E-01
+1.620292E+01
+1.321173E+01
+1.068678E+00
+5.798793E-02
+2.264343E+01
+2.578648E+01
+1.503553E+00
+1.158411E-01
+5.751110E+00
+1.676910E+00
+3.450582E-01
+6.411784E-03
 tally 4:
-3.063235E+00
-4.714106E-01
+3.051764E+00
+4.671879E-01
 0.000000E+00
 0.000000E+00
-1.425705E+00
-1.043616E-01
-4.355515E+00
-9.538346E-01
+1.407008E+00
+1.004485E-01
+4.354708E+00
+9.506434E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -160,14 +160,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.355515E+00
-9.538346E-01
-1.425705E+00
-1.043616E-01
-3.859174E+00
-7.519499E-01
-6.350310E+00
-2.024214E+00
+4.354708E+00
+9.506434E-01
+1.407008E+00
+1.004485E-01
+3.852730E+00
+7.498016E-01
+6.382605E+00
+2.043123E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -184,14 +184,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-6.350310E+00
-2.024214E+00
-3.859174E+00
-7.519499E-01
-4.993073E+00
-1.258264E+00
-7.194275E+00
-2.596886E+00
+6.382605E+00
+2.043123E+00
+3.852730E+00
+7.498016E-01
+5.061607E+00
+1.288306E+00
+7.281209E+00
+2.659444E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -208,14 +208,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.194275E+00
-2.596886E+00
-4.993073E+00
-1.258264E+00
-6.786617E+00
-2.312259E+00
-8.306978E+00
-3.459668E+00
+7.281209E+00
+2.659444E+00
+5.061607E+00
+1.288306E+00
+7.096602E+00
+2.527474E+00
+8.632232E+00
+3.736665E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -232,14 +232,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.306978E+00
-3.459668E+00
-6.786617E+00
-2.312259E+00
-7.603410E+00
-2.905228E+00
-8.791222E+00
-3.882935E+00
+8.632232E+00
+3.736665E+00
+7.096602E+00
+2.527474E+00
+7.759456E+00
+3.019026E+00
+8.968687E+00
+4.037738E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -256,14 +256,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.791222E+00
-3.882935E+00
-7.603410E+00
-2.905228E+00
-8.867113E+00
-3.938503E+00
-9.302808E+00
-4.340042E+00
+8.968687E+00
+4.037738E+00
+7.759456E+00
+3.019026E+00
+8.749025E+00
+3.839161E+00
+9.126289E+00
+4.176440E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -280,14 +280,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.302808E+00
-4.340042E+00
-8.867113E+00
-3.938503E+00
-9.270113E+00
-4.306513E+00
-9.263471E+00
-4.302184E+00
+9.126289E+00
+4.176440E+00
+8.749025E+00
+3.839161E+00
+9.259277E+00
+4.304020E+00
+9.165726E+00
+4.216173E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -304,14 +304,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.263471E+00
-4.302184E+00
-9.270113E+00
-4.306513E+00
-9.348712E+00
-4.388570E+00
-8.977713E+00
-4.047349E+00
+9.165726E+00
+4.216173E+00
+9.259277E+00
+4.304020E+00
+9.433925E+00
+4.473551E+00
+8.910566E+00
+3.991458E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -328,14 +328,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.977713E+00
-4.047349E+00
-9.348712E+00
-4.388570E+00
-9.234380E+00
-4.280666E+00
-8.036978E+00
-3.239853E+00
+8.910566E+00
+3.991458E+00
+9.433925E+00
+4.473551E+00
+9.099397E+00
+4.154062E+00
+7.770126E+00
+3.029928E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -352,14 +352,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.036978E+00
-3.239853E+00
-9.234380E+00
-4.280666E+00
-8.713633E+00
-3.808850E+00
-7.160878E+00
-2.572915E+00
+7.770126E+00
+3.029928E+00
+9.099397E+00
+4.154062E+00
+8.575842E+00
+3.694998E+00
+6.934243E+00
+2.418570E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -376,14 +376,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.160878E+00
-2.572915E+00
-8.713633E+00
-3.808850E+00
-7.378538E+00
-2.732122E+00
-5.145728E+00
-1.329190E+00
+6.934243E+00
+2.418570E+00
+8.575842E+00
+3.694998E+00
+7.437526E+00
+2.780629E+00
+5.136923E+00
+1.331553E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -400,14 +400,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.145728E+00
-1.329190E+00
-7.378538E+00
-2.732122E+00
-6.660125E+00
-2.228506E+00
-4.087925E+00
-8.435381E-01
+5.136923E+00
+1.331553E+00
+7.437526E+00
+2.780629E+00
+6.648582E+00
+2.216687E+00
+4.050691E+00
+8.279789E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -424,14 +424,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.087925E+00
-8.435381E-01
-6.660125E+00
-2.228506E+00
-4.466295E+00
-1.002320E+00
-1.468481E+00
-1.099604E-01
+4.050691E+00
+8.279789E-01
+6.648582E+00
+2.216687E+00
+4.390906E+00
+9.686686E-01
+1.391624E+00
+9.861955E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -448,12 +448,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.468481E+00
-1.099604E-01
-4.466295E+00
-1.002320E+00
-3.139355E+00
-4.955456E-01
+1.391624E+00
+9.861955E-02
+4.390906E+00
+9.686686E-01
+3.113477E+00
+4.874296E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -473,164 +473,164 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-5.925339E+00
-1.788596E+00
-8.954773E-01
-4.217679E-02
-2.215054E+01
-2.470273E+01
-2.944747E+00
-4.443186E-01
-1.542658E+01
-1.195085E+01
-1.950262E+00
-1.946340E-01
-3.791137E+01
-7.214779E+01
-4.955741E+00
-1.254830E+00
-2.200054E+01
-2.431894E+01
-3.031040E+00
-4.685971E-01
-4.823946E+01
-1.167941E+02
-6.226321E+00
-1.956308E+00
-2.556930E+01
-3.280828E+01
-3.582546E+00
-6.505962E-01
-2.577249E+01
-3.339204E+01
-3.316825E+00
-5.676842E-01
-5.007249E+01
-1.257124E+02
-6.462364E+00
-2.120157E+00
-2.273285E+01
-2.595106E+01
-2.960964E+00
-4.496277E-01
-3.937362E+01
-7.783849E+01
-5.339336E+00
-1.449257E+00
-1.623315E+01
-1.326746E+01
-2.289661E+00
-2.698618E-01
-2.325250E+01
-2.716827E+01
-3.253010E+00
-5.413837E-01
-5.937929E+00
-1.774847E+00
-9.208589E-01
-4.421403E-02
+5.846103E+00
+1.718959E+00
+8.952028E-01
+4.184063E-02
+2.245226E+01
+2.529524E+01
+3.092645E+00
+4.848878E-01
+1.571095E+01
+1.240426E+01
+2.178244E+00
+2.438479E-01
+3.900638E+01
+7.648853E+01
+5.265574E+00
+1.401505E+00
+2.275895E+01
+2.597348E+01
+3.067909E+00
+4.810969E-01
+4.820213E+01
+1.167232E+02
+6.403602E+00
+2.070034E+00
+2.519091E+01
+3.183360E+01
+3.463531E+00
+6.097568E-01
+2.560388E+01
+3.296889E+01
+3.456252E+00
+6.101655E-01
+4.929539E+01
+1.220666E+02
+6.629094E+00
+2.223366E+00
+2.255498E+01
+2.559363E+01
+2.833426E+00
+4.150907E-01
+3.909813E+01
+7.694976E+01
+5.582222E+00
+1.584757E+00
+1.620082E+01
+1.320814E+01
+2.282196E+00
+2.703156E-01
+2.263498E+01
+2.576758E+01
+3.162736E+00
+5.145038E-01
+5.750110E+00
+1.676357E+00
+9.181679E-01
+4.562885E-02
 cmfd indices
 1.400000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.125528E+00
-1.145509E+00
-1.158948E+00
-1.171983E+00
-1.180649E+00
-1.184072E+00
-1.188112E+00
-1.183095E+00
-1.182269E+00
-1.175467E+00
-1.175184E+00
-1.172637E+00
-1.171593E+00
-1.175439E+00
-1.174650E+00
-1.176474E+00
+1.166740E+00
+1.184008E+00
+1.166534E+00
+1.155559E+00
+1.164960E+00
+1.163229E+00
+1.165897E+00
+1.170104E+00
+1.170207E+00
+1.168091E+00
+1.170940E+00
+1.174589E+00
+1.174609E+00
+1.171505E+00
+1.174456E+00
+1.178370E+00
 cmfd entropy
-3.607059E+00
-3.604890E+00
-3.601329E+00
-3.597776E+00
-3.597360E+00
-3.597387E+00
-3.595379E+00
-3.596995E+00
-3.600901E+00
-3.601832E+00
-3.601426E+00
-3.604521E+00
-3.602848E+00
-3.603875E+00
-3.605213E+00
-3.606699E+00
+3.594757E+00
+3.587018E+00
+3.590385E+00
+3.595101E+00
+3.592151E+00
+3.600294E+00
+3.602102E+00
+3.604941E+00
+3.605897E+00
+3.604880E+00
+3.601658E+00
+3.602551E+00
+3.600160E+00
+3.604540E+00
+3.604094E+00
+3.602509E+00
 cmfd balance
-4.46212E-03
-4.66648E-03
-5.04274E-03
-5.21553E-03
-3.92498E-03
-2.97185E-03
-2.79785E-03
-2.66951E-03
-2.17472E-03
-1.98009E-03
-1.77035E-03
-1.51281E-03
-1.52807E-03
-1.33341E-03
-1.18155E-03
-1.07752E-03
+5.52960E-03
+5.42154E-03
+3.62152E-03
+2.92850E-03
+4.08642E-03
+2.07444E-03
+2.03704E-03
+2.06886E-03
+2.09646E-03
+1.94256E-03
+2.02728E-03
+1.89830E-03
+1.83910E-03
+1.48140E-03
+1.47034E-03
+1.64452E-03
 cmfd dominance ratio
-6.136E-01
-6.127E-01
-6.137E-01
-6.102E-01
-6.067E-01
-6.061E-01
-6.031E-01
 6.046E-01
-6.071E-01
-6.089E-01
-6.073E-01
-6.080E-01
-6.080E-01
+6.015E-01
+6.059E-01
+6.060E-01
+6.061E-01
+6.109E-01
+6.110E-01
+6.108E-01
+6.120E-01
+6.124E-01
+6.109E-01
 6.090E-01
-6.092E-01
-6.094E-01
+6.116E-01
+6.137E-01
+6.117E-01
+6.131E-01
 cmfd openmc source comparison
-1.043027E-02
-1.278226E-02
-1.184867E-02
-1.017186E-02
-1.099696E-02
-7.955341E-03
-8.360344E-03
-6.875508E-03
-4.824018E-03
-4.915363E-03
-5.371647E-03
-4.593100E-03
-4.894955E-03
-4.928253E-03
-4.292171E-03
-4.018545E-03
+1.035187E-02
+9.394886E-03
+6.879487E-03
+7.236029E-03
+6.543528E-03
+3.600620E-03
+2.859638E-03
+2.230047E-03
+2.180643E-03
+1.638534E-03
+1.764349E-03
+1.621487E-03
+1.221762E-03
+1.626297E-03
+1.951813E-03
+9.584126E-04
 cmfd source
-1.600876E-02
-6.000305E-02
-4.248071E-02
-9.935789E-02
-5.768092E-02
-1.338593E-01
-7.417398E-02
-7.102984E-02
-1.382563E-01
-6.181889E-02
-1.142473E-01
-4.571447E-02
-6.864655E-02
-1.672206E-02
+1.677059E-02
+6.229453E-02
+4.278394E-02
+1.134852E-01
+6.231020E-02
+1.327286E-01
+6.808362E-02
+7.130954E-02
+1.362127E-01
+6.048013E-02
+1.094460E-01
+4.546687E-02
+6.403310E-02
+1.459510E-02
diff --git a/tests/regression_tests/cmfd_feed_ref_d/results_true.dat b/tests/regression_tests/cmfd_feed_ref_d/results_true.dat
index 9cc26b8cf..34cde1a46 100644
--- a/tests/regression_tests/cmfd_feed_ref_d/results_true.dat
+++ b/tests/regression_tests/cmfd_feed_ref_d/results_true.dat
@@ -1,117 +1,117 @@
 k-combined:
-1.167869E+00 7.492916E-03
+1.162249E+00 5.812620E-03
 tally 1:
-1.146821E+01
-1.318787E+01
-2.161476E+01
-4.685066E+01
-2.951084E+01
-8.733116E+01
-3.521523E+01
-1.242762E+02
-3.774181E+01
-1.426460E+02
-3.727924E+01
-1.391162E+02
-3.377236E+01
-1.143877E+02
-2.904590E+01
-8.453427E+01
-2.090941E+01
-4.384824E+01
-1.078680E+01
-1.168172E+01
+1.153831E+01
+1.338142E+01
+2.155552E+01
+4.659071E+01
+2.813997E+01
+7.941672E+01
+3.270996E+01
+1.073664E+02
+3.639852E+01
+1.329148E+02
+3.729637E+01
+1.393474E+02
+3.443129E+01
+1.186461E+02
+2.832690E+01
+8.040998E+01
+2.177527E+01
+4.771147E+01
+1.146822E+01
+1.328252E+01
 tally 2:
-1.136805E+00
-1.292326E+00
-7.987282E-01
-6.379667E-01
-2.266961E+00
-5.139112E+00
-1.613498E+00
-2.603376E+00
-3.046379E+00
-9.280427E+00
-2.182480E+00
-4.763219E+00
-3.568101E+00
-1.273134E+01
-2.532478E+00
-6.413444E+00
-3.989532E+00
-1.591637E+01
-2.848319E+00
-8.112921E+00
-3.853139E+00
-1.484668E+01
-2.718497E+00
-7.390223E+00
-3.478134E+00
-1.209742E+01
-2.467279E+00
-6.087465E+00
-2.952214E+00
-8.715569E+00
-2.103257E+00
-4.423688E+00
-1.917446E+00
-3.676599E+00
-1.378361E+00
-1.899878E+00
-1.048230E+00
-1.098785E+00
-7.511876E-01
-5.642828E-01
+1.024353E+00
+1.049299E+00
+6.991057E-01
+4.887487E-01
+2.200432E+00
+4.841901E+00
+1.561655E+00
+2.438768E+00
+2.910400E+00
+8.470426E+00
+2.095155E+00
+4.389674E+00
+3.466006E+00
+1.201320E+01
+2.480456E+00
+6.152662E+00
+3.711781E+00
+1.377732E+01
+2.646019E+00
+7.001418E+00
+3.953648E+00
+1.563133E+01
+2.832759E+00
+8.024524E+00
+3.597870E+00
+1.294467E+01
+2.555396E+00
+6.530048E+00
+2.860871E+00
+8.184585E+00
+2.032282E+00
+4.130169E+00
+2.006740E+00
+4.027007E+00
+1.408150E+00
+1.982886E+00
+1.035163E+00
+1.071562E+00
+7.084068E-01
+5.018402E-01
 tally 3:
-7.701212E-01
-5.930866E-01
-4.481580E-02
-2.008456E-03
-1.547321E+00
-2.394203E+00
-1.226538E-01
-1.504395E-02
-2.106393E+00
-4.436893E+00
-1.450617E-01
-2.104289E-02
-2.437675E+00
-5.942260E+00
-1.521379E-01
-2.314593E-02
-2.754657E+00
-7.588135E+00
-1.745458E-01
-3.046622E-02
-2.623856E+00
-6.884619E+00
-1.851600E-01
-3.428423E-02
-2.376884E+00
-5.649579E+00
-1.615728E-01
-2.610576E-02
-2.021851E+00
-4.087882E+00
-1.533172E-01
-2.350617E-02
-1.333182E+00
-1.777374E+00
-7.076179E-02
-5.007231E-03
-7.258458E-01
-5.268521E-01
-3.656026E-02
-1.336653E-03
+6.713566E-01
+4.507196E-01
+5.581718E-02
+3.115557E-03
+1.508976E+00
+2.277009E+00
+1.139601E-01
+1.298690E-02
+2.035529E+00
+4.143377E+00
+1.221001E-01
+1.490843E-02
+2.385217E+00
+5.689262E+00
+1.500087E-01
+2.250260E-02
+2.546286E+00
+6.483574E+00
+1.546601E-01
+2.391975E-02
+2.726427E+00
+7.433407E+00
+1.686144E-01
+2.843081E-02
+2.466613E+00
+6.084179E+00
+1.558230E-01
+2.428079E-02
+1.951251E+00
+3.807379E+00
+1.197744E-01
+1.434590E-02
+1.347903E+00
+1.816842E+00
+9.419149E-02
+8.872037E-03
+6.840490E-01
+4.679231E-01
+5.000289E-02
+2.500289E-03
 tally 4:
-1.667426E-01
-2.780308E-02
+1.561665E-01
+2.438798E-02
 0.000000E+00
 0.000000E+00
-1.292556E-01
-1.670700E-02
-2.813401E-01
-7.915227E-02
+1.307011E-01
+1.708276E-02
+2.703168E-01
+7.307115E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -128,14 +128,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.813401E-01
-7.915227E-02
-1.292556E-01
-1.670700E-02
-2.670582E-01
-7.132006E-02
-4.055365E-01
-1.644599E-01
+2.703168E-01
+7.307115E-02
+1.307011E-01
+1.708276E-02
+2.637619E-01
+6.957033E-02
+3.685390E-01
+1.358210E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -152,14 +152,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.055365E-01
-1.644599E-01
-2.670582E-01
-7.132006E-02
-3.848164E-01
-1.480837E-01
-4.809472E-01
-2.313102E-01
+3.685390E-01
+1.358210E-01
+2.637619E-01
+6.957033E-02
+3.887017E-01
+1.510890E-01
+4.439407E-01
+1.970834E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -176,14 +176,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.809472E-01
-2.313102E-01
-3.848164E-01
-1.480837E-01
-4.543959E-01
-2.064756E-01
-5.106174E-01
-2.607301E-01
+4.439407E-01
+1.970834E-01
+3.887017E-01
+1.510890E-01
+4.456116E-01
+1.985697E-01
+4.737035E-01
+2.243950E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -200,14 +200,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.106174E-01
-2.607301E-01
-4.543959E-01
-2.064756E-01
-4.543155E-01
-2.064026E-01
-4.626331E-01
-2.140294E-01
+4.737035E-01
+2.243950E-01
+4.456116E-01
+1.985697E-01
+4.760577E-01
+2.266309E-01
+4.703245E-01
+2.212052E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -224,14 +224,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.626331E-01
-2.140294E-01
-4.543155E-01
-2.064026E-01
-4.827763E-01
-2.330729E-01
-4.442611E-01
-1.973679E-01
+4.703245E-01
+2.212052E-01
+4.760577E-01
+2.266309E-01
+4.878056E-01
+2.379543E-01
+4.373120E-01
+1.912418E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -248,14 +248,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.442611E-01
-1.973679E-01
-4.827763E-01
-2.330729E-01
-4.630415E-01
-2.144074E-01
-3.886521E-01
-1.510505E-01
+4.373120E-01
+1.912418E-01
+4.878056E-01
+2.379543E-01
+4.262194E-01
+1.816630E-01
+3.334152E-01
+1.111657E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -272,14 +272,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.886521E-01
-1.510505E-01
-4.630415E-01
-2.144074E-01
-3.535862E-01
-1.250232E-01
-2.530293E-01
-6.402384E-02
+3.334152E-01
+1.111657E-01
+4.262194E-01
+1.816630E-01
+3.560156E-01
+1.267471E-01
+2.409954E-01
+5.807879E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -296,14 +296,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.530293E-01
-6.402384E-02
-3.535862E-01
-1.250232E-01
-2.465508E-01
-6.078730E-02
-1.197139E-01
-1.433141E-02
+2.409954E-01
+5.807879E-02
+3.560156E-01
+1.267471E-01
+2.646501E-01
+7.003965E-02
+1.327244E-01
+1.761576E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -320,12 +320,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.197139E-01
-1.433141E-02
-2.465508E-01
-6.078730E-02
-1.369614E-01
-1.875841E-02
+1.327244E-01
+1.761576E-02
+2.646501E-01
+7.003965E-02
+1.480567E-01
+2.192079E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -345,119 +345,119 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-7.701212E-01
-5.930866E-01
-1.386254E-01
-1.921700E-02
-1.547321E+00
-2.394203E+00
-2.630318E-01
-6.918571E-02
-2.106393E+00
-4.436893E+00
-2.807911E-01
-7.884363E-02
-2.435870E+00
-5.933464E+00
-3.322093E-01
-1.103630E-01
-2.753652E+00
-7.582597E+00
-3.825961E-01
-1.463797E-01
-2.623856E+00
-6.884619E+00
-3.888719E-01
-1.512213E-01
-2.376884E+00
-5.649579E+00
-3.196211E-01
-1.021576E-01
-2.021851E+00
-4.087882E+00
-2.897873E-01
-8.397667E-02
-1.333182E+00
-1.777374E+00
-1.627096E-01
-2.647441E-02
-7.258458E-01
-5.268521E-01
-9.348575E-02
-8.739586E-03
+6.713566E-01
+4.507196E-01
+9.805793E-02
+9.615358E-03
+1.508976E+00
+2.277009E+00
+1.968348E-01
+3.874394E-02
+2.032573E+00
+4.131353E+00
+2.120922E-01
+4.498309E-02
+2.385217E+00
+5.689262E+00
+2.863031E-01
+8.196946E-02
+2.545200E+00
+6.478041E+00
+3.278920E-01
+1.075131E-01
+2.726427E+00
+7.433407E+00
+3.770758E-01
+1.421861E-01
+2.466613E+00
+6.084179E+00
+3.593230E-01
+1.291130E-01
+1.951251E+00
+3.807379E+00
+2.474112E-01
+6.121229E-02
+1.347903E+00
+1.816842E+00
+2.127109E-01
+4.524594E-02
+6.823620E-01
+4.656179E-01
+1.249863E-01
+1.562159E-02
 cmfd indices
 1.000000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.149087E+00
-1.156777E+00
-1.158641E+00
-1.159507E+00
-1.156564E+00
-1.160257E+00
-1.150344E+00
-1.149854E+00
-1.151616E+00
-1.164575E+00
-1.174683E+00
+1.181365E+00
+1.176693E+00
+1.161946E+00
+1.163565E+00
+1.163043E+00
+1.169908E+00
+1.149155E+00
+1.142379E+00
+1.152957E+00
+1.137602E+00
+1.141883E+00
 cmfd entropy
-3.216202E+00
-3.228703E+00
-3.220414E+00
-3.214361E+00
-3.215642E+00
-3.213607E+00
-3.212862E+00
-3.213128E+00
-3.213189E+00
-3.205465E+00
-3.202859E+00
+3.246422E+00
+3.246496E+00
+3.252238E+00
+3.240920E+00
+3.237606E+00
+3.234301E+00
+3.234103E+00
+3.229918E+00
+3.226983E+00
+3.221321E+00
+3.223622E+00
 cmfd balance
-3.08825E-03
-1.42554E-03
-1.21448E-03
-1.17859E-03
-1.06034E-03
-9.30949E-04
-1.35713E-03
-1.13694E-03
-1.14938E-03
-1.29296E-03
-1.46518E-03
+4.18486E-03
+1.72126E-03
+1.10906E-03
+1.88158E-03
+1.31626E-03
+1.30818E-03
+1.77315E-03
+2.16148E-03
+1.67789E-03
+2.31333E-03
+1.94932E-03
 cmfd dominance ratio
-5.503E-01
-5.596E-01
 5.505E-01
-5.471E-01
-5.468E-01
-5.427E-01
-5.421E-01
-5.412E-01
-5.389E-01
-5.371E-01
-5.329E-01
+5.580E-01
+5.610E-01
+5.526E-01
+5.519E-01
+5.499E-01
+5.504E-01
+5.504E-01
+5.475E-01
+5.465E-01
+5.477E-01
 cmfd openmc source comparison
-1.571006E-02
-6.945629E-03
-6.838511E-03
-6.183655E-03
-5.138825E-03
-4.362701E-03
-5.558586E-03
-4.188314E-03
-1.837101E-03
-2.737321E-03
-2.529244E-03
+1.902234E-03
+4.110960E-03
+2.452031E-03
+2.337951E-03
+1.838979E-03
+3.138637E-03
+2.684401E-03
+2.912891E-03
+2.823494E-03
+6.391584E-03
+5.904139E-03
 cmfd source
-4.240947E-02
-8.226746E-02
-1.180848E-01
-1.328470E-01
-1.412449E-01
-1.424870E-01
-1.269297E-01
-1.096476E-01
-6.953001E-02
-3.455212E-02
+4.488002E-02
+8.895136E-02
+1.085930E-01
+1.229651E-01
+1.330479E-01
+1.497140E-01
+1.309102E-01
+1.028556E-01
+7.738878E-02
+4.069397E-02
diff --git a/tests/regression_tests/cmfd_feed_rolling_window/results_true.dat b/tests/regression_tests/cmfd_feed_rolling_window/results_true.dat
index 5ff4a132f..2e31b35ba 100644
--- a/tests/regression_tests/cmfd_feed_rolling_window/results_true.dat
+++ b/tests/regression_tests/cmfd_feed_rolling_window/results_true.dat
@@ -1,117 +1,117 @@
 k-combined:
-1.173626E+00 1.098719E-02
+1.158333E+00 1.402684E-02
 tally 1:
-1.101892E+01
-1.218768E+01
-2.036233E+01
-4.152577E+01
-2.937587E+01
-8.637268E+01
-3.502389E+01
-1.231700E+02
-3.804803E+01
-1.453948E+02
-3.822561E+01
-1.465677E+02
-3.456290E+01
-1.198651E+02
-2.904088E+01
-8.470264E+01
-2.111529E+01
-4.463713E+01
-1.147633E+01
-1.326012E+01
+1.169478E+01
+1.373162E+01
+2.192038E+01
+4.844559E+01
+2.913292E+01
+8.542569E+01
+3.446069E+01
+1.201782E+02
+3.624088E+01
+1.320213E+02
+3.569791E+01
+1.278170E+02
+3.340601E+01
+1.119165E+02
+2.908648E+01
+8.514603E+01
+2.175458E+01
+4.767916E+01
+1.171268E+01
+1.378033E+01
 tally 2:
-1.010478E+00
-1.021066E+00
-6.902031E-01
-4.763804E-01
-1.899891E+00
-3.609584E+00
-1.322615E+00
-1.749312E+00
-2.756419E+00
-7.597845E+00
-1.955934E+00
-3.825676E+00
-3.818740E+00
-1.458278E+01
-2.704746E+00
-7.315652E+00
-3.920857E+00
-1.537312E+01
-2.843144E+00
-8.083470E+00
-3.835060E+00
-1.470768E+01
-2.728705E+00
-7.445831E+00
-3.510590E+00
-1.232424E+01
-2.497237E+00
-6.236191E+00
-2.717388E+00
-7.384198E+00
-1.903638E+00
-3.623837E+00
-2.207863E+00
-4.874659E+00
-1.563588E+00
-2.444808E+00
-1.289027E+00
-1.661591E+00
-9.022714E-01
-8.140937E-01
+1.132414E+00
+1.282361E+00
+7.822980E-01
+6.119901E-01
+2.124428E+00
+4.513196E+00
+1.490832E+00
+2.222581E+00
+3.158472E+00
+9.975946E+00
+2.221665E+00
+4.935795E+00
+3.994786E+00
+1.595831E+01
+2.828109E+00
+7.998199E+00
+3.491035E+00
+1.218732E+01
+2.461223E+00
+6.057617E+00
+3.461784E+00
+1.198395E+01
+2.473337E+00
+6.117398E+00
+3.027132E+00
+9.163527E+00
+2.150455E+00
+4.624458E+00
+2.471217E+00
+6.106911E+00
+1.737168E+00
+3.017752E+00
+1.880969E+00
+3.538044E+00
+1.316574E+00
+1.733367E+00
+1.233103E+00
+1.520543E+00
+8.543318E-01
+7.298828E-01
 tally 3:
-6.593197E-01
-4.347024E-01
-5.216387E-02
-2.721069E-03
-1.266446E+00
-1.603885E+00
-8.298797E-02
-6.887003E-03
-1.888709E+00
-3.567222E+00
-1.398940E-01
-1.957033E-02
-2.616078E+00
-6.843867E+00
-1.588627E-01
-2.523735E-02
-2.733300E+00
-7.470927E+00
-1.944290E-01
-3.780262E-02
-2.643656E+00
-6.988917E+00
-1.612338E-01
-2.599633E-02
-2.410643E+00
-5.811199E+00
-1.754603E-01
-3.078631E-02
-1.838012E+00
-3.378288E+00
-1.126265E-01
-1.268473E-02
-1.500033E+00
-2.250100E+00
-1.102554E-01
-1.215626E-02
-8.750096E-01
-7.656418E-01
-6.757592E-02
-4.566505E-03
+7.540113E-01
+5.685330E-01
+6.367610E-02
+4.054646E-03
+1.436984E+00
+2.064922E+00
+8.961822E-02
+8.031425E-03
+2.132240E+00
+4.546449E+00
+1.356065E-01
+1.838913E-02
+2.726356E+00
+7.433016E+00
+1.780572E-01
+3.170438E-02
+2.379700E+00
+5.662970E+00
+1.544735E-01
+2.386206E-02
+2.383471E+00
+5.680933E+00
+1.568319E-01
+2.459624E-02
+2.047271E+00
+4.191318E+00
+1.662654E-01
+2.764418E-02
+1.673107E+00
+2.799287E+00
+1.132020E-01
+1.281468E-02
+1.271576E+00
+1.616906E+00
+7.546797E-02
+5.695415E-03
+8.249906E-01
+6.806094E-01
+5.660098E-02
+3.203671E-03
 tally 4:
-1.490605E-01
-2.221904E-02
+1.551630E-01
+2.407556E-02
 0.000000E+00
 0.000000E+00
-1.139233E-01
-1.297851E-02
-2.549497E-01
-6.499934E-02
+1.487992E-01
+2.214121E-02
+2.878091E-01
+8.283409E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -128,14 +128,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.549497E-01
-6.499934E-02
-1.139233E-01
-1.297851E-02
-2.191337E-01
-4.801958E-02
-3.295187E-01
-1.085826E-01
+2.878091E-01
+8.283409E-02
+1.487992E-01
+2.214121E-02
+2.936596E-01
+8.623595E-02
+3.954149E-01
+1.563529E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -152,14 +152,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.295187E-01
-1.085826E-01
-2.191337E-01
-4.801958E-02
-3.872400E-01
-1.499548E-01
-4.595835E-01
-2.112170E-01
+3.954149E-01
+1.563529E-01
+2.936596E-01
+8.623595E-02
+3.991153E-01
+1.592930E-01
+4.758410E-01
+2.264247E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -176,14 +176,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.595835E-01
-2.112170E-01
-3.872400E-01
-1.499548E-01
-4.668106E-01
-2.179121E-01
-5.112307E-01
-2.613569E-01
+4.758410E-01
+2.264247E-01
+3.991153E-01
+1.592930E-01
+4.850882E-01
+2.353106E-01
+5.210840E-01
+2.715285E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -200,14 +200,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.112307E-01
-2.613569E-01
-4.668106E-01
-2.179121E-01
-4.716605E-01
-2.224636E-01
-4.916148E-01
-2.416851E-01
+5.210840E-01
+2.715285E-01
+4.850882E-01
+2.353106E-01
+4.790245E-01
+2.294645E-01
+4.570092E-01
+2.088574E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -224,14 +224,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.916148E-01
-2.416851E-01
-4.716605E-01
-2.224636E-01
-4.696777E-01
-2.205972E-01
-4.365150E-01
-1.905453E-01
+4.570092E-01
+2.088574E-01
+4.790245E-01
+2.294645E-01
+4.505886E-01
+2.030301E-01
+3.884038E-01
+1.508575E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -248,14 +248,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-4.365150E-01
-1.905453E-01
-4.696777E-01
-2.205972E-01
-4.179902E-01
-1.747158E-01
-3.350564E-01
-1.122628E-01
+3.884038E-01
+1.508575E-01
+4.505886E-01
+2.030301E-01
+3.986999E-01
+1.589616E-01
+3.220889E-01
+1.037412E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -272,14 +272,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-3.350564E-01
-1.122628E-01
-4.179902E-01
-1.747158E-01
-3.743487E-01
-1.401370E-01
-2.400661E-01
-5.763172E-02
+3.220889E-01
+1.037412E-01
+3.986999E-01
+1.589616E-01
+3.319083E-01
+1.101631E-01
+2.101261E-01
+4.415297E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -296,14 +296,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.400661E-01
-5.763172E-02
-3.743487E-01
-1.401370E-01
-3.063657E-01
-9.385994E-02
-1.605078E-01
-2.576275E-02
+2.101261E-01
+4.415297E-02
+3.319083E-01
+1.101631E-01
+2.795459E-01
+7.814588E-02
+1.306499E-01
+1.706938E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -320,12 +320,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.605078E-01
-2.576275E-02
-3.063657E-01
-9.385994E-02
-1.700639E-01
-2.892174E-02
+1.306499E-01
+1.706938E-02
+2.795459E-01
+7.814588E-02
+1.585507E-01
+2.513833E-02
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -345,119 +345,119 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-6.593197E-01
-4.347024E-01
-1.314196E-01
-1.727112E-02
-1.266446E+00
-1.603885E+00
-2.002491E-01
-4.009970E-02
-1.888709E+00
-3.567222E+00
-2.444522E-01
-5.975686E-02
-2.616078E+00
-6.843867E+00
-3.234935E-01
-1.046481E-01
-2.733300E+00
-7.470927E+00
-3.309500E-01
-1.095279E-01
-2.643656E+00
-6.988917E+00
-4.025014E-01
-1.620074E-01
-2.410643E+00
-5.811199E+00
-3.050040E-01
-9.302747E-02
-1.838012E+00
-3.378288E+00
-2.800764E-01
-7.844279E-02
-1.500033E+00
-2.250100E+00
-2.324765E-01
-5.404531E-02
-8.750096E-01
-7.656418E-01
-1.256919E-01
-1.579844E-02
+7.530237E-01
+5.670447E-01
+1.178984E-01
+1.390004E-02
+1.436984E+00
+2.064922E+00
+1.458395E-01
+2.126916E-02
+2.132240E+00
+4.546449E+00
+2.950109E-01
+8.703141E-02
+2.726356E+00
+7.433016E+00
+3.397288E-01
+1.154157E-01
+2.379700E+00
+5.662970E+00
+3.113206E-01
+9.692053E-02
+2.383471E+00
+5.680933E+00
+3.455611E-01
+1.194125E-01
+2.047271E+00
+4.191318E+00
+2.910986E-01
+8.473841E-02
+1.673107E+00
+2.799287E+00
+2.381996E-01
+5.673907E-02
+1.270672E+00
+1.614606E+00
+1.795241E-01
+3.222889E-02
+8.249906E-01
+6.806094E-01
+1.201397E-01
+1.443354E-02
 cmfd indices
 1.000000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.166297E+00
-1.148237E+00
-1.162472E+00
-1.187078E+00
-1.188411E+00
-1.194879E+00
-1.216739E+00
-1.216829E+00
-1.196596E+00
-1.199223E+00
-1.211817E+00
+1.184474E+00
+1.188170E+00
+1.165127E+00
+1.135010E+00
+1.145439E+00
+1.158451E+00
+1.154420E+00
+1.179615E+00
+1.197843E+00
+1.181252E+00
+1.186316E+00
 cmfd entropy
-3.215349E+00
-3.225577E+00
-3.223357E+00
-3.208828E+00
-3.211072E+00
-3.206578E+00
-3.195799E+00
-3.198236E+00
-3.220074E+00
-3.230249E+00
-3.238015E+00
+3.243654E+00
+3.244091E+00
+3.249203E+00
+3.249952E+00
+3.245538E+00
+3.240838E+00
+3.238919E+00
+3.223131E+00
+3.216002E+00
+3.220324E+00
+3.224804E+00
 cmfd balance
-2.07468E-03
-2.39687E-03
-1.51020E-03
-2.07618E-03
-1.89367E-03
-2.00902E-03
-2.54856E-03
-2.43636E-03
-2.48527E-03
-3.07775E-03
-3.37967E-03
+4.21104E-03
+1.38052E-03
+1.34642E-03
+2.39255E-03
+2.07426E-03
+1.27927E-03
+2.26249E-03
+2.72103E-03
+2.71504E-03
+2.19156E-03
+1.91989E-03
 cmfd dominance ratio
-5.505E-01
-5.558E-01
-5.584E-01
-5.477E-01
-5.477E-01
-5.426E-01
-5.335E-01
-5.305E-01
-5.427E-01
+5.520E-01
+5.535E-01
+5.628E-01
+5.696E-01
+5.723E-01
+5.651E-01
+5.648E-01
+5.555E-01
+5.448E-01
+5.488E-01
 5.484E-01
-5.465E-01
 cmfd openmc source comparison
-5.598628E-03
-1.162952E-02
-1.083004E-02
-1.037470E-02
-5.649750E-03
-5.137914E-03
-3.868209E-03
-1.208756E-02
-5.398131E-03
-8.119598E-03
-4.573105E-03
+1.713810E-03
+2.429503E-03
+4.526209E-03
+7.978149E-03
+3.320012E-03
+3.880041E-03
+1.580215E-02
+1.663452E-02
+1.878103E-02
+7.436342E-03
+3.724478E-03
 cmfd source
-4.219187E-02
-8.692096E-02
-1.061389E-01
-1.199181E-01
-1.377328E-01
-1.326161E-01
-1.345872E-01
-1.112871E-01
-7.569533E-02
-5.291175E-02
+4.688167E-02
+9.066303E-02
+1.150679E-01
+1.430247E-01
+1.370466E-01
+1.267615E-01
+1.244218E-01
+1.048774E-01
+7.083441E-02
+4.042108E-02
diff --git a/tests/regression_tests/cmfd_nofeed/results_true.dat b/tests/regression_tests/cmfd_nofeed/results_true.dat
index 756aa4570..ea1a0230b 100644
--- a/tests/regression_tests/cmfd_nofeed/results_true.dat
+++ b/tests/regression_tests/cmfd_nofeed/results_true.dat
@@ -1,117 +1,117 @@
 k-combined:
-1.172893E+00 8.095197E-03
+1.169143E+00 7.248013E-03
 tally 1:
-1.156995E+01
-1.347019E+01
-2.120053E+01
-4.531200E+01
-2.995993E+01
-8.997889E+01
-3.498938E+01
-1.226414E+02
-3.794510E+01
-1.442188E+02
-3.798115E+01
-1.446436E+02
-3.415954E+01
-1.171635E+02
-2.960329E+01
-8.785532E+01
-2.182231E+01
-4.782353E+01
-1.147379E+01
-1.321150E+01
+1.115130E+01
+1.249933E+01
+2.147608E+01
+4.643964E+01
+2.923697E+01
+8.598273E+01
+3.439175E+01
+1.189653E+02
+3.729169E+01
+1.395456E+02
+3.709975E+01
+1.380839E+02
+3.415420E+01
+1.168226E+02
+2.895696E+01
+8.419764E+01
+2.140382E+01
+4.646784E+01
+1.125483E+01
+1.275812E+01
 tally 2:
-2.345900E+01
-2.783672E+01
-1.627300E+01
-1.339749E+01
-4.127267E+01
-8.563716E+01
-2.934800E+01
-4.334439E+01
-5.742644E+01
-1.658158E+02
-4.092600E+01
-8.423842E+01
-6.740126E+01
-2.279288E+02
-4.796500E+01
-1.154602E+02
-7.340327E+01
-2.701349E+02
-5.235900E+01
-1.374186E+02
-7.387392E+01
-2.740829E+02
-5.277400E+01
-1.398425E+02
-6.733428E+01
-2.274414E+02
-4.800100E+01
-1.156206E+02
-5.794970E+01
-1.685421E+02
-4.124600E+01
-8.540686E+01
-4.257013E+01
-9.092401E+01
-3.014500E+01
-4.566369E+01
-2.300274E+01
-2.659051E+01
-1.613400E+01
-1.307448E+01
+2.275147E+01
+2.604974E+01
+1.587800E+01
+1.271197E+01
+4.191959E+01
+8.846441E+01
+2.966500E+01
+4.430669E+01
+5.699815E+01
+1.637359E+02
+4.037600E+01
+8.219353E+01
+6.656851E+01
+2.228703E+02
+4.718000E+01
+1.119941E+02
+7.334215E+01
+2.701014E+02
+5.223500E+01
+1.370726E+02
+7.394394E+01
+2.748295E+02
+5.273400E+01
+1.397334E+02
+6.931604E+01
+2.406234E+02
+4.949000E+01
+1.226886E+02
+5.799672E+01
+1.687992E+02
+4.142300E+01
+8.612116E+01
+4.320102E+01
+9.402138E+01
+3.068300E+01
+4.749148E+01
+2.295257E+01
+2.657057E+01
+1.606200E+01
+1.301453E+01
 tally 3:
-1.564900E+01
-1.239852E+01
-1.086873E+00
-6.047264E-02
-2.821700E+01
-4.006730E+01
-1.855830E+00
-1.755984E-01
-3.946300E+01
-7.833997E+01
-2.523142E+00
-3.210725E-01
-4.622500E+01
-1.072588E+02
-2.919735E+00
-4.340292E-01
-5.033400E+01
-1.270010E+02
-3.243022E+00
-5.318534E-01
-5.082400E+01
-1.297502E+02
-3.313898E+00
-5.546608E-01
-4.623700E+01
-1.072944E+02
-2.887766E+00
-4.203084E-01
-3.975000E+01
-7.934279E+01
-2.567158E+00
-3.333121E-01
-2.903500E+01
-4.237270E+01
-1.852070E+00
-1.733821E-01
-1.557800E+01
-1.219084E+01
-9.951884E-01
-5.121758E-02
+1.528200E+01
+1.177982E+01
+1.040687E+00
+5.586386E-02
+2.857900E+01
+4.113603E+01
+1.871515E+00
+1.774689E-01
+3.888800E+01
+7.626262E+01
+2.534433E+00
+3.274088E-01
+4.541400E+01
+1.037867E+02
+2.926509E+00
+4.319780E-01
+5.034500E+01
+1.273517E+02
+3.215813E+00
+5.215716E-01
+5.076100E+01
+1.295218E+02
+3.194424E+00
+5.165993E-01
+4.768100E+01
+1.138949E+02
+3.058255E+00
+4.732131E-01
+3.995800E+01
+8.015691E+01
+2.454286E+00
+3.044948E-01
+2.957000E+01
+4.412743E+01
+1.938963E+00
+1.908501E-01
+1.544000E+01
+1.202869E+01
+1.038073E+00
+5.487827E-02
 tally 4:
-3.111000E+00
-4.872850E-01
+3.086000E+00
+4.780160E-01
 0.000000E+00
 0.000000E+00
-2.794000E+00
-3.972060E-01
-5.520000E+00
-1.535670E+00
+2.739000E+00
+3.790990E-01
+5.478000E+00
+1.505928E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -128,14 +128,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.520000E+00
-1.535670E+00
-2.794000E+00
-3.972060E-01
-5.071000E+00
-1.305697E+00
-7.303000E+00
-2.685365E+00
+5.478000E+00
+1.505928E+00
+2.739000E+00
+3.790990E-01
+5.094000E+00
+1.310476E+00
+7.282000E+00
+2.669810E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -152,14 +152,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.303000E+00
-2.685365E+00
-5.071000E+00
-1.305697E+00
-7.015000E+00
-2.471981E+00
-8.545000E+00
-3.670539E+00
+7.282000E+00
+2.669810E+00
+5.094000E+00
+1.310476E+00
+6.987000E+00
+2.461137E+00
+8.487000E+00
+3.624153E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -176,14 +176,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.545000E+00
-3.670539E+00
-7.015000E+00
-2.471981E+00
-8.431000E+00
-3.570057E+00
-9.224000E+00
-4.268004E+00
+8.487000E+00
+3.624153E+00
+6.987000E+00
+2.461137E+00
+8.250000E+00
+3.421824E+00
+9.022000E+00
+4.088536E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -200,14 +200,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.224000E+00
-4.268004E+00
-8.431000E+00
-3.570057E+00
-9.217000E+00
-4.259749E+00
-9.305000E+00
-4.340149E+00
+9.022000E+00
+4.088536E+00
+8.250000E+00
+3.421824E+00
+9.300000E+00
+4.344142E+00
+9.262000E+00
+4.308946E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -224,14 +224,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.305000E+00
-4.340149E+00
-9.217000E+00
-4.259749E+00
-9.374000E+00
-4.415290E+00
-8.611000E+00
-3.718227E+00
+9.262000E+00
+4.308946E+00
+9.300000E+00
+4.344142E+00
+9.267000E+00
+4.310941E+00
+8.487000E+00
+3.613257E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -248,14 +248,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.611000E+00
-3.718227E+00
-9.374000E+00
-4.415290E+00
-8.515000E+00
-3.639945E+00
-7.056000E+00
-2.501658E+00
+8.487000E+00
+3.613257E+00
+9.267000E+00
+4.310941E+00
+8.682000E+00
+3.778194E+00
+7.123000E+00
+2.544345E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -272,14 +272,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.056000E+00
-2.501658E+00
-8.515000E+00
-3.639945E+00
-7.385000E+00
-2.737677E+00
-5.194000E+00
-1.356022E+00
+7.123000E+00
+2.544345E+00
+8.682000E+00
+3.778194E+00
+7.421000E+00
+2.773897E+00
+5.198000E+00
+1.369216E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -296,14 +296,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.194000E+00
-1.356022E+00
-7.385000E+00
-2.737677E+00
-5.436000E+00
-1.481654E+00
-2.756000E+00
-3.843860E-01
+5.198000E+00
+1.369216E+00
+7.421000E+00
+2.773897E+00
+5.567000E+00
+1.561013E+00
+2.763000E+00
+3.882750E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -320,12 +320,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.756000E+00
-3.843860E-01
-5.436000E+00
-1.481654E+00
-3.030000E+00
-4.643920E-01
+2.763000E+00
+3.882750E-01
+5.567000E+00
+1.561013E+00
+3.106000E+00
+4.853380E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -345,144 +345,144 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-1.564300E+01
-1.238861E+01
-2.090227E+00
-2.262627E-01
-2.821400E+01
-4.005826E+01
-3.870834E+00
-7.614623E-01
-3.945400E+01
-7.830326E+01
-5.290557E+00
-1.422339E+00
-4.621500E+01
-1.072116E+02
-6.144745E+00
-1.903309E+00
-5.032900E+01
-1.269756E+02
-6.867524E+00
-2.373593E+00
-5.081000E+01
-1.296784E+02
-6.456283E+00
-2.130767E+00
-4.623000E+01
-1.072613E+02
-5.931623E+00
-1.776451E+00
-3.974500E+01
-7.932288E+01
-5.339603E+00
-1.456812E+00
-2.902800E+01
-4.235232E+01
-4.102240E+00
-8.519551E-01
-1.557800E+01
-1.219084E+01
-2.137954E+00
-2.347770E-01
+1.527700E+01
+1.177204E+01
+2.285003E+00
+2.661382E-01
+2.857200E+01
+4.111506E+01
+4.126099E+00
+8.737996E-01
+3.887800E+01
+7.622094E+01
+5.121343E+00
+1.333837E+00
+4.540600E+01
+1.037492E+02
+6.160114E+00
+1.913665E+00
+5.033400E+01
+1.272949E+02
+6.859861E+00
+2.384476E+00
+5.075800E+01
+1.295055E+02
+6.929393E+00
+2.443364E+00
+4.767500E+01
+1.138658E+02
+6.385463E+00
+2.080293E+00
+3.995300E+01
+8.013651E+01
+5.620641E+00
+1.603844E+00
+2.956200E+01
+4.410395E+01
+3.952701E+00
+7.877105E-01
+1.543500E+01
+1.202080E+01
+2.203583E+00
+2.512936E-01
 cmfd indices
 1.000000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.129918E+00
-1.148352E+00
-1.143137E+00
-1.145795E+00
-1.147285E+00
-1.148588E+00
-1.148151E+00
-1.162118E+00
-1.165380E+00
-1.162851E+00
-1.163379E+00
-1.166986E+00
-1.167838E+00
-1.171743E+00
-1.170398E+00
-1.169773E+00
+1.169107E+00
+1.173852E+00
+1.181921E+00
+1.187733E+00
+1.185766E+00
+1.177020E+00
+1.181200E+00
+1.180088E+00
+1.180676E+00
+1.174948E+00
+1.174167E+00
+1.174935E+00
+1.169912E+00
+1.169058E+00
+1.170366E+00
+1.169774E+00
 cmfd entropy
-3.224769E+00
-3.222795E+00
-3.221174E+00
-3.222164E+00
-3.221025E+00
-3.220967E+00
-3.223497E+00
-3.219213E+00
-3.221679E+00
-3.222084E+00
-3.222281E+00
-3.222540E+00
-3.224614E+00
-3.224193E+00
-3.224925E+00
-3.224367E+00
+3.207640E+00
+3.212075E+00
+3.215463E+00
+3.219545E+00
+3.225225E+00
+3.227103E+00
+3.229048E+00
+3.228263E+00
+3.229077E+00
+3.229932E+00
+3.229351E+00
+3.228195E+00
+3.228493E+00
+3.227823E+00
+3.225830E+00
+3.227270E+00
 cmfd balance
-3.90454E-03
-4.33180E-03
-3.77057E-03
-3.16391E-03
-3.11765E-03
-2.59886E-03
-2.81060E-03
-3.25473E-03
-2.68544E-03
-2.01716E-03
-1.89350E-03
-1.79159E-03
-1.51353E-03
-1.48514E-03
-1.50207E-03
-1.44045E-03
+4.88208E-03
+4.63702E-03
+3.41158E-03
+2.99755E-03
+2.78360E-03
+3.31542E-03
+2.64344E-03
+2.04609E-03
+1.84340E-03
+1.65450E-03
+1.70816E-03
+1.69952E-03
+1.51417E-03
+1.32738E-03
+1.41435E-03
+1.01462E-03
 cmfd dominance ratio
-5.539E-01
-5.522E-01
-5.491E-01
-5.511E-01
-5.506E-01
-5.523E-01
-5.523E-01
+5.467E-01
+5.468E-01
+5.448E-01
+5.457E-01
+5.457E-01
+5.485E-01
+5.500E-01
+5.497E-01
+5.495E-01
+5.499E-01
+5.502E-01
+5.485E-01
+5.492E-01
+5.483E-01
 5.473E-01
-5.478E-01
-5.461E-01
-5.462E-01
-5.459E-01
-5.475E-01
-5.463E-01
 5.466E-01
-5.469E-01
 cmfd openmc source comparison
-9.875240E-03
-1.119358E-02
-8.513903E-03
-7.728971E-03
-5.993771E-03
-5.837301E-03
-4.861789E-03
-5.624038E-03
-4.297229E-03
-4.029732E-03
-3.669197E-03
-3.598834E-03
-3.023310E-03
-3.347346E-03
-2.943658E-03
-2.764986E-03
+9.587418E-03
+7.785087E-03
+6.798967E-03
+5.947641E-03
+4.980801E-03
+4.272665E-03
+4.073759E-03
+4.305612E-03
+3.572759E-03
+3.785830E-03
+3.766828E-03
+3.495462E-03
+3.017281E-03
+2.857633E-03
+2.858606E-03
+2.449010E-03
 cmfd source
-4.561921E-02
-7.896381E-02
-1.084687E-01
-1.264057E-01
-1.408942E-01
-1.438180E-01
-1.247333E-01
-1.100896E-01
-7.897187E-02
-4.203556E-02
+4.390084E-02
+7.966902E-02
+1.087889E-01
+1.263915E-01
+1.394331E-01
+1.383156E-01
+1.319970E-01
+1.051339E-01
+8.248244E-02
+4.388774E-02
diff --git a/tests/regression_tests/cmfd_restart/results_true.dat b/tests/regression_tests/cmfd_restart/results_true.dat
index f5f22d9ac..1ef9624d4 100644
--- a/tests/regression_tests/cmfd_restart/results_true.dat
+++ b/tests/regression_tests/cmfd_restart/results_true.dat
@@ -1,117 +1,117 @@
 k-combined:
-1.164262E+00 9.207592E-03
+1.181723E+00 9.944883E-03
 tally 1:
-1.156972E+01
-1.339924E+01
-2.136306E+01
-4.567185E+01
-2.859527E+01
-8.195821E+01
-3.470754E+01
-1.207851E+02
-3.766403E+01
-1.422263E+02
-3.778821E+01
-1.432660E+02
-3.573197E+01
-1.278854E+02
-2.849979E+01
-8.135515E+01
-2.073803E+01
-4.303374E+01
-1.112117E+01
-1.242944E+01
+1.169899E+01
+1.373251E+01
+2.142380E+01
+4.605511E+01
+2.968085E+01
+8.838716E+01
+3.561418E+01
+1.271206E+02
+3.777783E+01
+1.428817E+02
+3.805832E+01
+1.450213E+02
+3.439836E+01
+1.184892E+02
+2.852438E+01
+8.161896E+01
+2.088423E+01
+4.376204E+01
+1.076670E+01
+1.168108E+01
 tally 2:
-2.388054E+01
-2.875255E+01
-1.667791E+01
-1.403426E+01
-4.224771E+01
-8.942109E+01
-2.993088E+01
-4.490335E+01
-5.689839E+01
-1.625557E+02
-4.043633E+01
-8.212299E+01
-6.764024E+01
-2.297126E+02
-4.807902E+01
-1.161468E+02
-7.314835E+01
-2.684645E+02
-5.203584E+01
-1.359261E+02
-7.375727E+01
-2.733105E+02
-5.252944E+01
-1.386205E+02
-6.909571E+01
-2.397721E+02
-4.922548E+01
-1.217465E+02
-5.685978E+01
-1.621746E+02
-4.051938E+01
-8.237277E+01
-4.185562E+01
-8.784067E+01
-2.983570E+01
-4.467414E+01
-2.238373E+01
-2.520356E+01
-1.566758E+01
-1.234103E+01
+2.321241E+01
+2.702156E+01
+1.620912E+01
+1.317752E+01
+4.197404E+01
+8.845008E+01
+2.982666E+01
+4.469221E+01
+5.810089E+01
+1.695857E+02
+4.134123E+01
+8.588866E+01
+6.982488E+01
+2.447068E+02
+4.966939E+01
+1.238763E+02
+7.428421E+01
+2.767613E+02
+5.287955E+01
+1.403163E+02
+7.447402E+01
+2.785012E+02
+5.324628E+01
+1.423393E+02
+6.895164E+01
+2.381937E+02
+4.916366E+01
+1.211701E+02
+5.679253E+01
+1.617881E+02
+4.043125E+01
+8.204061E+01
+4.218618E+01
+8.933666E+01
+2.978592E+01
+4.456592E+01
+2.196426E+01
+2.435867E+01
+1.525576E+01
+1.175879E+01
 tally 3:
-1.609520E+01
-1.307542E+01
-1.033429E+00
-5.510889E-02
-2.877073E+01
-4.149542E+01
-1.964219E+00
-1.954692E-01
-3.896816E+01
-7.629752E+01
-2.484053E+00
-3.103733E-01
-4.634285E+01
-1.079367E+02
-2.974750E+00
-4.468223E-01
-5.007964E+01
-1.259202E+02
-3.181802E+00
-5.103621E-01
-5.058915E+01
-1.286193E+02
-3.249442E+00
-5.337712E-01
-4.744464E+01
-1.131026E+02
-3.067644E+00
-4.736335E-01
-3.900632E+01
-7.634433E+01
-2.443552E+00
-3.028060E-01
-2.874166E+01
-4.146375E+01
-1.810421E+00
-1.671667E-01
-1.509222E+01
-1.145579E+01
-1.014919E+00
-5.391053E-02
+1.563788E+01
+1.226528E+01
+1.053289E+00
+5.666942E-02
+2.870755E+01
+4.139654E+01
+1.838017E+00
+1.710528E-01
+3.978616E+01
+7.955764E+01
+2.560657E+00
+3.334449E-01
+4.780385E+01
+1.147770E+02
+3.139243E+00
+4.967628E-01
+5.106650E+01
+1.308704E+02
+3.170056E+00
+5.078920E-01
+5.123992E+01
+1.318586E+02
+3.211706E+00
+5.205979E-01
+4.729862E+01
+1.121695E+02
+3.068662E+00
+4.749488E-01
+3.898816E+01
+7.630564E+01
+2.516911E+00
+3.199696E-01
+2.865357E+01
+4.125742E+01
+1.852314E+00
+1.741116E-01
+1.467340E+01
+1.088460E+01
+9.268633E-01
+4.450662E-02
 tally 4:
-3.148231E+00
-4.974555E-01
+3.029754E+00
+4.613561E-01
 0.000000E+00
 0.000000E+00
-2.805439E+00
-3.982239E-01
-5.574031E+00
-1.561105E+00
+2.832501E+00
+4.049252E-01
+5.517243E+00
+1.527794E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -128,14 +128,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.574031E+00
-1.561105E+00
-2.805439E+00
-3.982239E-01
-5.171038E+00
-1.344877E+00
-7.372031E+00
-2.725420E+00
+5.517243E+00
+1.527794E+00
+2.832501E+00
+4.049252E-01
+5.117178E+00
+1.316972E+00
+7.333303E+00
+2.701677E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -152,14 +152,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.372031E+00
-2.725420E+00
-5.171038E+00
-1.344877E+00
-6.946847E+00
-2.424850E+00
-8.496610E+00
-3.627542E+00
+7.333303E+00
+2.701677E+00
+5.117178E+00
+1.316972E+00
+7.248464E+00
+2.641591E+00
+8.817788E+00
+3.905530E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -176,14 +176,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.496610E+00
-3.627542E+00
-6.946847E+00
-2.424850E+00
-8.479501E+00
-3.607280E+00
-9.261869E+00
-4.305912E+00
+8.817788E+00
+3.905530E+00
+7.248464E+00
+2.641591E+00
+8.646465E+00
+3.749847E+00
+9.460948E+00
+4.495388E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -200,14 +200,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.261869E+00
-4.305912E+00
-8.479501E+00
-3.607280E+00
-9.232858E+00
-4.278432E+00
-9.306384E+00
-4.348594E+00
+9.460948E+00
+4.495388E+00
+8.646465E+00
+3.749847E+00
+9.379341E+00
+4.415049E+00
+9.278640E+00
+4.320720E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -224,14 +224,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-9.306384E+00
-4.348594E+00
-9.232858E+00
-4.278432E+00
-9.299764E+00
-4.347828E+00
-8.511976E+00
-3.639893E+00
+9.278640E+00
+4.320720E+00
+9.379341E+00
+4.415049E+00
+9.465746E+00
+4.498591E+00
+8.656146E+00
+3.760545E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -248,14 +248,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.511976E+00
-3.639893E+00
-9.299764E+00
-4.347828E+00
-8.726086E+00
-3.819567E+00
-7.147277E+00
-2.562747E+00
+8.656146E+00
+3.760545E+00
+9.465746E+00
+4.498591E+00
+8.589782E+00
+3.700308E+00
+6.996002E+00
+2.456935E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -272,14 +272,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-7.147277E+00
-2.562747E+00
-8.726086E+00
-3.819567E+00
-7.218790E+00
-2.612243E+00
-5.018287E+00
-1.263077E+00
+6.996002E+00
+2.456935E+00
+8.589782E+00
+3.700308E+00
+7.352050E+00
+2.714808E+00
+5.105164E+00
+1.312559E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -296,14 +296,14 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.018287E+00
-1.263077E+00
-7.218790E+00
-2.612243E+00
-5.443494E+00
-1.487018E+00
-2.732334E+00
-3.773047E-01
+5.105164E+00
+1.312559E+00
+7.352050E+00
+2.714808E+00
+5.442756E+00
+1.486776E+00
+2.697305E+00
+3.675580E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -320,12 +320,12 @@ tally 4:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.732334E+00
-3.773047E-01
-5.443494E+00
-1.487018E+00
-3.044773E+00
-4.655756E-01
+2.697305E+00
+3.675580E-01
+5.442756E+00
+1.486776E+00
+3.017025E+00
+4.571443E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -345,144 +345,144 @@ tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-1.609029E+01
-1.306718E+01
-2.230601E+00
-2.559496E-01
-2.876780E+01
-4.148686E+01
-3.835952E+00
-7.456562E-01
-3.895738E+01
-7.625344E+01
-4.841024E+00
-1.197335E+00
-4.633595E+01
-1.079043E+02
-6.236821E+00
-1.963311E+00
-5.007472E+01
-1.258967E+02
-6.749745E+00
-2.297130E+00
-5.058336E+01
-1.285894E+02
-6.727612E+00
-2.315656E+00
-4.743869E+01
-1.130735E+02
-6.338193E+00
-2.042159E+00
-3.899838E+01
-7.631289E+01
-5.187573E+00
-1.359733E+00
-2.873434E+01
-4.144233E+01
-3.815610E+00
-7.367619E-01
-1.509020E+01
-1.145268E+01
-2.125767E+00
-2.341894E-01
+1.563588E+01
+1.226217E+01
+2.209027E+00
+2.507131E-01
+2.870034E+01
+4.137550E+01
+3.726620E+00
+7.021948E-01
+3.977762E+01
+7.952285E+01
+5.304975E+00
+1.427333E+00
+4.779747E+01
+1.147456E+02
+6.528302E+00
+2.151715E+00
+5.105366E+01
+1.308037E+02
+6.986782E+00
+2.467487E+00
+5.123380E+01
+1.318264E+02
+6.845633E+00
+2.383542E+00
+4.729296E+01
+1.121433E+02
+6.252695E+00
+1.977351E+00
+3.898236E+01
+7.628315E+01
+5.461495E+00
+1.528579E+00
+2.864576E+01
+4.123538E+01
+3.857301E+00
+7.581323E-01
+1.467047E+01
+1.088031E+01
+2.277024E+00
+2.679801E-01
 cmfd indices
 1.000000E+01
 1.000000E+00
 1.000000E+00
 1.000000E+00
 k cmfd
-1.129918E+00
-1.143848E+00
-1.147976E+00
-1.151534E+00
-1.152378E+00
-1.148219E+00
-1.150402E+00
-1.154647E+00
-1.156159E+00
-1.160048E+00
-1.167441E+00
-1.168163E+00
-1.168629E+00
-1.164120E+00
-1.165051E+00
-1.169177E+00
+1.169107E+00
+1.175079E+00
+1.173912E+00
+1.175368E+00
+1.174026E+00
+1.181745E+00
+1.182261E+00
+1.183559E+00
+1.178691E+00
+1.179222E+00
+1.179017E+00
+1.172979E+00
+1.175043E+00
+1.173458E+00
+1.174152E+00
+1.171451E+00
 cmfd entropy
-3.224769E+00
-3.225945E+00
-3.227421E+00
-3.226174E+00
-3.224429E+00
-3.227049E+00
-3.230710E+00
-3.230315E+00
-3.226825E+00
-3.226655E+00
-3.226588E+00
-3.224155E+00
-3.223246E+00
-3.222640E+00
-3.223920E+00
-3.222838E+00
+3.207640E+00
+3.210547E+00
+3.212218E+00
+3.209573E+00
+3.211619E+00
+3.212126E+00
+3.213163E+00
+3.214288E+00
+3.215737E+00
+3.213677E+00
+3.214925E+00
+3.215612E+00
+3.216708E+00
+3.221454E+00
+3.219048E+00
+3.218387E+00
 cmfd balance
-3.90454E-03
-4.08089E-03
-3.46511E-03
-4.09535E-03
-2.62009E-03
-2.23559E-03
-2.54033E-03
-2.12799E-03
-2.25864E-03
-1.85766E-03
-1.49916E-03
-1.63471E-03
-1.48377E-03
-1.59800E-03
-1.37354E-03
-1.32853E-03
+4.88208E-03
+4.75139E-03
+3.15783E-03
+3.67091E-03
+2.99797E-03
+2.91060E-03
+2.06576E-03
+1.83482E-03
+1.56292E-03
+1.58659E-03
+2.32986E-03
+1.47376E-03
+1.46673E-03
+1.22627E-03
+1.31963E-03
+1.26456E-03
 cmfd dominance ratio
-5.539E-01
-5.537E-01
-5.536E-01
-5.515E-01
-5.512E-01
-5.514E-01
-5.518E-01
-5.507E-01
-5.500E-01
-5.497E-01
-5.477E-01
-5.461E-01
-5.444E-01
-5.445E-01
-5.454E-01
+5.467E-01
+5.453E-01
+5.458E-01
+5.436E-01
+5.442E-01
+5.406E-01
+5.401E-01
+5.413E-01
+4.995E-01
+5.396E-01
+5.409E-01
+5.414E-01
+5.423E-01
+5.456E-01
+5.442E-01
 5.441E-01
 cmfd openmc source comparison
-9.875240E-03
-1.106163E-02
-9.847628E-03
-6.065921E-03
-5.772039E-03
-4.615656E-03
-4.244331E-03
-3.694299E-03
-3.545814E-03
-3.213063E-03
-3.467537E-03
-3.383489E-03
-3.697591E-03
-3.937358E-03
-3.369124E-03
-3.190359E-03
+9.587418E-03
+8.150978E-03
+6.677661E-03
+6.334727E-03
+5.153692E-03
+5.082964E-03
+4.633153E-03
+4.037383E-03
+3.528742E-03
+4.559089E-03
+3.517370E-03
+3.306117E-03
+2.913809E-03
+1.906045E-03
+1.932794E-03
+1.711341E-03
 cmfd source
-4.360494E-02
-8.397599E-02
-1.074181E-01
-1.294531E-01
-1.385611E-01
-1.407934E-01
-1.325191E-01
-1.044311E-01
-7.660359E-02
-4.263941E-02
+4.496492E-02
+7.869674E-02
+1.100280E-01
+1.354045E-01
+1.363339E-01
+1.380533E-01
+1.314512E-01
+1.077480E-01
+7.847306E-02
+3.884630E-02
diff --git a/tests/regression_tests/complex_cell/results_true.dat b/tests/regression_tests/complex_cell/results_true.dat
index 3ce3d7cbc..ddedb07ff 100644
--- a/tests/regression_tests/complex_cell/results_true.dat
+++ b/tests/regression_tests/complex_cell/results_true.dat
@@ -1,11 +1,11 @@
 k-combined:
-2.564169E-01 4.095378E-03
+2.603220E-01 1.429366E-03
 tally 1:
-2.607144E+00
-1.360414E+00
-2.681079E+00
-1.439354E+00
-9.627534E-01
-1.855496E-01
-1.123751E-01
+2.624819E+00
+1.378200E+00
+2.730035E+00
+1.492361E+00
+1.013707E+00
+2.055807E-01
+1.123257E-01
 2.530233E-03
diff --git a/tests/regression_tests/confidence_intervals/results_true.dat b/tests/regression_tests/confidence_intervals/results_true.dat
index 6a906d07e..8ca256624 100644
--- a/tests/regression_tests/confidence_intervals/results_true.dat
+++ b/tests/regression_tests/confidence_intervals/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-2.759923E-01 6.988588E-03
+2.850178E-01 9.646334E-03
 tally 1:
-6.167984E+01
-4.772717E+02
+6.234169E+01
+4.884167E+02
diff --git a/tests/regression_tests/cpp_driver/results_true.dat b/tests/regression_tests/cpp_driver/results_true.dat
index 26f07842c..09f188db6 100644
--- a/tests/regression_tests/cpp_driver/results_true.dat
+++ b/tests/regression_tests/cpp_driver/results_true.dat
@@ -1,13 +1,13 @@
 k-combined:
-1.953962E+00 1.828426E-02
+1.874924E+00 2.180236E-02
 tally 1:
-9.607953E+01
-1.031898E+03
-2.853683E+01
-9.085469E+01
-9.745011E+01
-1.058928E+03
-2.220665E+02
-5.496813E+03
-2.220665E+02
-5.496813E+03
+9.484447E+01
+1.002269E+03
+2.746252E+01
+8.406603E+01
+9.833099E+01
+1.076376E+03
+2.206380E+02
+5.417609E+03
+2.206380E+02
+5.417609E+03
diff --git a/tests/regression_tests/dagmc/external/results_true.dat b/tests/regression_tests/dagmc/external/results_true.dat
index cda656937..9a6b481b7 100644
--- a/tests/regression_tests/dagmc/external/results_true.dat
+++ b/tests/regression_tests/dagmc/external/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-9.118190E-01 3.615552E-02
+1.083415E+00 5.991738E-02
 tally 1:
-8.430103E+00
-1.442878E+01
+8.862860E+00
+1.602117E+01
diff --git a/tests/regression_tests/dagmc/legacy/results_true.dat b/tests/regression_tests/dagmc/legacy/results_true.dat
index cda656937..9a6b481b7 100644
--- a/tests/regression_tests/dagmc/legacy/results_true.dat
+++ b/tests/regression_tests/dagmc/legacy/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-9.118190E-01 3.615552E-02
+1.083415E+00 5.991738E-02
 tally 1:
-8.430103E+00
-1.442878E+01
+8.862860E+00
+1.602117E+01
diff --git a/tests/regression_tests/dagmc/refl/results_true.dat b/tests/regression_tests/dagmc/refl/results_true.dat
index 533c62a90..b49a4a7a4 100644
--- a/tests/regression_tests/dagmc/refl/results_true.dat
+++ b/tests/regression_tests/dagmc/refl/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-2.035173E+00 3.967029E-02
+2.047107E+00 8.605767E-02
 tally 1:
-1.064492E+01
-2.301019E+01
+1.145034E+01
+2.636875E+01
diff --git a/tests/regression_tests/dagmc/universes/inputs_true.dat b/tests/regression_tests/dagmc/universes/inputs_true.dat
index 2fa79d831..be1a17383 100644
--- a/tests/regression_tests/dagmc/universes/inputs_true.dat
+++ b/tests/regression_tests/dagmc/universes/inputs_true.dat
@@ -48,6 +48,14 @@
     <particles>100</particles>
     <batches>10</batches>
     <inactive>5</inactive>
+    <source type="independent" strength="1.0" particle="neutron">
+      <space type="box">
+        <parameters>-10.0 -10.0 -24.0 10.0 10.0 24.0</parameters>
+      </space>
+      <constraints>
+        <fissionable>true</fissionable>
+      </constraints>
+    </source>
     <output>
       <summary>false</summary>
     </output>
diff --git a/tests/regression_tests/dagmc/universes/results_true.dat b/tests/regression_tests/dagmc/universes/results_true.dat
index 76cbc9db0..aacb7d1ab 100644
--- a/tests/regression_tests/dagmc/universes/results_true.dat
+++ b/tests/regression_tests/dagmc/universes/results_true.dat
@@ -1,13 +1,13 @@
 k-combined:
-9.887663E-01 1.510336E-02
+9.719586E-01 3.630894E-02
 tally 1:
-4.340758E+00
-4.265459E+00
-4.712319E+00
-4.654778E+00
-4.151897E+00
-3.588090E+00
-2.965925E+00
-1.852746E+00
+4.463288E+00
+4.136647E+00
+4.769631E+00
+4.622840E+00
+4.315273E+00
+3.871129E+00
+4.091804E+00
+3.582192E+00
 0.000000E+00
 0.000000E+00
diff --git a/tests/regression_tests/dagmc/universes/test.py b/tests/regression_tests/dagmc/universes/test.py
index 057a7b0d4..d68c6b11c 100644
--- a/tests/regression_tests/dagmc/universes/test.py
+++ b/tests/regression_tests/dagmc/universes/test.py
@@ -11,81 +11,87 @@ pytestmark = pytest.mark.skipif(
     reason="DAGMC CAD geometry is not enabled.")
 
 
-class DAGMCUniverseTest(PyAPITestHarness):
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
+@pytest.fixture
+def pin_lattice_model():
+    ### MATERIALS ###
+    fuel = openmc.Material(name='no-void fuel')
+    fuel.set_density('g/cc', 10.29769)
+    fuel.add_nuclide('U234', 0.93120485)
+    fuel.add_nuclide('U235', 0.00055815)
+    fuel.add_nuclide('U238', 0.022408)
+    fuel.add_nuclide('O16', 0.045829)
 
-        ### MATERIALS ###
-        fuel = openmc.Material(name='no-void fuel')
-        fuel.set_density('g/cc', 10.29769)
-        fuel.add_nuclide('U234', 0.93120485)
-        fuel.add_nuclide('U235', 0.00055815)
-        fuel.add_nuclide('U238', 0.022408)
-        fuel.add_nuclide('O16', 0.045829)
+    cladding = openmc.Material(name='clad')
+    cladding.set_density('g/cc', 6.55)
+    cladding.add_nuclide('Zr90', 0.021827)
+    cladding.add_nuclide('Zr91', 0.00476)
+    cladding.add_nuclide('Zr92', 0.0072758)
+    cladding.add_nuclide('Zr94', 0.0073734)
+    cladding.add_nuclide('Zr96', 0.0011879)
 
-        cladding = openmc.Material(name='clad')
-        cladding.set_density('g/cc', 6.55)
-        cladding.add_nuclide('Zr90', 0.021827)
-        cladding.add_nuclide('Zr91', 0.00476)
-        cladding.add_nuclide('Zr92', 0.0072758)
-        cladding.add_nuclide('Zr94', 0.0073734)
-        cladding.add_nuclide('Zr96', 0.0011879)
+    water = openmc.Material(name='water')
+    water.set_density('g/cc', 0.740582)
+    water.add_nuclide('H1', 0.049457)
+    water.add_nuclide('O16', 0.024672)
+    water.add_nuclide('B10', 8.0042e-06)
+    water.add_nuclide('B11', 3.2218e-05)
+    water.add_s_alpha_beta('c_H_in_H2O')
 
-        water = openmc.Material(name='water')
-        water.set_density('g/cc', 0.740582)
-        water.add_nuclide('H1', 0.049457)
-        water.add_nuclide('O16', 0.024672)
-        water.add_nuclide('B10', 8.0042e-06)
-        water.add_nuclide('B11', 3.2218e-05)
-        water.add_s_alpha_beta('c_H_in_H2O')
+    model = openmc.Model()
+    model.materials = openmc.Materials([fuel, cladding, water])
 
-        self._model.materials = openmc.Materials([fuel, cladding, water])
+    ### GEOMETRY ###
+    # create the DAGMC universe
+    pincell_univ = openmc.DAGMCUniverse(filename='dagmc.h5m', auto_geom_ids=True)
 
-        ### GEOMETRY ###
-        # create the DAGMC universe
-        pincell_univ = openmc.DAGMCUniverse(filename='dagmc.h5m', auto_geom_ids=True)
+    # creates another DAGMC universe, this time with within a bounded cell
+    bound_pincell_universe = openmc.DAGMCUniverse(filename='dagmc.h5m').bounded_universe()
+    # uses the bound_dag_cell as the root argument to test the type checks in openmc.Geometry
+    bound_pincell_geometry = openmc.Geometry(root=bound_pincell_universe)
+    # assigns the bound_dag_geometry to the model to test the type checks in model.Geometry setter
+    model.geometry = bound_pincell_geometry
 
-        # creates another DAGMC universe, this time with within a bounded cell
-        bound_pincell_universe = openmc.DAGMCUniverse(filename='dagmc.h5m').bounded_universe()
-        # uses the bound_dag_cell as the root argument to test the type checks in openmc.Geometry
-        bound_pincell_geometry = openmc.Geometry(root=bound_pincell_universe)
-        # assigns the bound_dag_geometry to the model to test the type checks in model.Geometry setter
-        self._model.geometry = bound_pincell_geometry
+    # create a 2 x 2 lattice using the DAGMC pincell
+    pitch = np.asarray((24.0, 24.0))
+    lattice = openmc.RectLattice()
+    lattice.pitch = pitch
+    lattice.universes = [[pincell_univ] * 2] * 2
+    lattice.lower_left = -pitch
 
-        # create a 2 x 2 lattice using the DAGMC pincell
-        pitch = np.asarray((24.0, 24.0))
-        lattice = openmc.RectLattice()
-        lattice.pitch = pitch
-        lattice.universes = [[pincell_univ] * 2] * 2
-        lattice.lower_left = -pitch
+    left = openmc.XPlane(x0=-pitch[0], name='left', boundary_type='reflective')
+    right = openmc.XPlane(x0=pitch[0], name='right', boundary_type='reflective')
+    front = openmc.YPlane(y0=-pitch[1], name='front', boundary_type='reflective')
+    back = openmc.YPlane(y0=pitch[1], name='back', boundary_type='reflective')
+    # clip the DAGMC geometry at +/- 10 cm w/ CSG planes
+    bottom = openmc.ZPlane(z0=-10.0, name='bottom', boundary_type='reflective')
+    top = openmc.ZPlane(z0=10.0, name='top', boundary_type='reflective')
 
-        left = openmc.XPlane(x0=-pitch[0], name='left', boundary_type='reflective')
-        right = openmc.XPlane(x0=pitch[0], name='right', boundary_type='reflective')
-        front = openmc.YPlane(y0=-pitch[1], name='front', boundary_type='reflective')
-        back = openmc.YPlane(y0=pitch[1], name='back', boundary_type='reflective')
-        # clip the DAGMC geometry at +/- 10 cm w/ CSG planes
-        bottom = openmc.ZPlane(z0=-10.0, name='bottom', boundary_type='reflective')
-        top = openmc.ZPlane(z0=10.0, name='top', boundary_type='reflective')
+    bounding_region = +left & -right & +front & -back & +bottom & -top
+    bounding_cell = openmc.Cell(fill=lattice, region=bounding_region)
 
-        bounding_region = +left & -right & +front & -back & +bottom & -top
-        bounding_cell = openmc.Cell(fill=lattice, region=bounding_region)
+    model.geometry = openmc.Geometry([bounding_cell])
 
-        self._model.geometry = openmc.Geometry([bounding_cell])
+    # add a cell instance tally
+    tally = openmc.Tally(name='cell instance tally')
+    # using scattering
+    cell_instance_filter = openmc.CellInstanceFilter(((4, 0), (4, 1), (4, 2), (4, 3), (4, 4)))
+    tally.filters = [cell_instance_filter]
+    tally.scores = ['scatter']
+    model.tallies = [tally]
 
-        # add a cell instance tally
-        tally = openmc.Tally(name='cell instance tally')
-        # using scattering
-        cell_instance_filter = openmc.CellInstanceFilter(((4, 0), (4, 1), (4, 2), (4, 3), (4, 4)))
-        tally.filters = [cell_instance_filter]
-        tally.scores = ['scatter']
-        self._model.tallies = [tally]
+    # settings
+    model.settings.particles = 100
+    model.settings.batches = 10
+    model.settings.inactive = 5
+    model.settings.output = {'summary' : False}
+    model.settings.source = openmc.IndependentSource(
+        space=openmc.stats.Box((-10., -10., -24.), (10., 10., 24.)),
+        constraints={'fissionable': True},
+    )
 
-        # settings
-        self._model.settings.particles = 100
-        self._model.settings.batches = 10
-        self._model.settings.inactive = 5
-        self._model.settings.output = {'summary' : False}
+    return model
 
-def test_univ():
-    harness = DAGMCUniverseTest('statepoint.10.h5', model=openmc.Model())
+
+def test_univ(pin_lattice_model):
+    harness = PyAPITestHarness('statepoint.10.h5', model=pin_lattice_model)
     harness.main()
diff --git a/tests/regression_tests/density/results_true.dat b/tests/regression_tests/density/results_true.dat
index c8e3b1ede..42dc0c19f 100644
--- a/tests/regression_tests/density/results_true.dat
+++ b/tests/regression_tests/density/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.110057E+00 1.303260E-02
+1.082191E+00 3.064029E-02
diff --git a/tests/regression_tests/deplete_no_transport/test_reference_coupled_days.h5 b/tests/regression_tests/deplete_no_transport/test_reference_coupled_days.h5
index 5fdc656d9..9757c9791 100644
Binary files a/tests/regression_tests/deplete_no_transport/test_reference_coupled_days.h5 and b/tests/regression_tests/deplete_no_transport/test_reference_coupled_days.h5 differ
diff --git a/tests/regression_tests/deplete_no_transport/test_reference_coupled_hours.h5 b/tests/regression_tests/deplete_no_transport/test_reference_coupled_hours.h5
index 65bfc19a9..08d4d3eed 100644
Binary files a/tests/regression_tests/deplete_no_transport/test_reference_coupled_hours.h5 and b/tests/regression_tests/deplete_no_transport/test_reference_coupled_hours.h5 differ
diff --git a/tests/regression_tests/deplete_no_transport/test_reference_coupled_minutes.h5 b/tests/regression_tests/deplete_no_transport/test_reference_coupled_minutes.h5
index 294cb589f..41b5235bb 100644
Binary files a/tests/regression_tests/deplete_no_transport/test_reference_coupled_minutes.h5 and b/tests/regression_tests/deplete_no_transport/test_reference_coupled_minutes.h5 differ
diff --git a/tests/regression_tests/deplete_no_transport/test_reference_coupled_months.h5 b/tests/regression_tests/deplete_no_transport/test_reference_coupled_months.h5
index ed62e4610..53d80aff0 100644
Binary files a/tests/regression_tests/deplete_no_transport/test_reference_coupled_months.h5 and b/tests/regression_tests/deplete_no_transport/test_reference_coupled_months.h5 differ
diff --git a/tests/regression_tests/deplete_no_transport/test_reference_fission_q.h5 b/tests/regression_tests/deplete_no_transport/test_reference_fission_q.h5
index 9d32d89fe..fe695692d 100644
Binary files a/tests/regression_tests/deplete_no_transport/test_reference_fission_q.h5 and b/tests/regression_tests/deplete_no_transport/test_reference_fission_q.h5 differ
diff --git a/tests/regression_tests/deplete_no_transport/test_reference_source_rate.h5 b/tests/regression_tests/deplete_no_transport/test_reference_source_rate.h5
index 3f3b4aa2a..c9c7e9e36 100644
Binary files a/tests/regression_tests/deplete_no_transport/test_reference_source_rate.h5 and b/tests/regression_tests/deplete_no_transport/test_reference_source_rate.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_ext_source.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_ext_source.h5
index aa09e1bcf..3ed38f3d6 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_ext_source.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_ext_source.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_feed.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_feed.h5
index 284d5cbe4..a14702232 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_feed.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_feed.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_removal.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_removal.h5
index 271af2410..3d48105d7 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_removal.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_removal.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_transfer.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_transfer.h5
index 25365f6f3..97855478c 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_transfer.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_depletion_with_transfer.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_feed.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_feed.h5
index d080b4470..70a4a3d67 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_feed.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_feed.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_removal.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_removal.h5
index 36f89e009..b41218a9b 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_removal.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_only_removal.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_ext_source.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_ext_source.h5
index f3b1b171e..71bfdae11 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_ext_source.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_ext_source.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_transfer.h5 b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_transfer.h5
index b0ba99740..ccf92b399 100644
Binary files a/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_transfer.h5 and b/tests/regression_tests/deplete_with_transfer_rates/ref_no_depletion_with_transfer.h5 differ
diff --git a/tests/regression_tests/deplete_with_transfer_rates/test.py b/tests/regression_tests/deplete_with_transfer_rates/test.py
index 4ad009d22..9784a07f6 100644
--- a/tests/regression_tests/deplete_with_transfer_rates/test.py
+++ b/tests/regression_tests/deplete_with_transfer_rates/test.py
@@ -40,10 +40,9 @@ def model():
     geometry = openmc.Geometry([cell_f, cell_w])
 
     settings = openmc.Settings()
-    settings.particles = 100
+    settings.particles = 150
     settings.inactive = 0
     settings.batches = 10
-    settings.seed = 1
 
     return openmc.Model(geometry, materials, settings)
 
diff --git a/tests/regression_tests/deplete_with_transport/last_step_reference_materials.xml b/tests/regression_tests/deplete_with_transport/last_step_reference_materials.xml
index 242e2e7db..2dca55992 100644
--- a/tests/regression_tests/deplete_with_transport/last_step_reference_materials.xml
+++ b/tests/regression_tests/deplete_with_transport/last_step_reference_materials.xml
@@ -4,993 +4,993 @@
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.4180489845847837e-07"/>
-    <nuclide name="Gd156" ao="7.2549793284842195e-09"/>
-    <nuclide name="Gd157" ao="4.6150717465438587e-10"/>
-    <nuclide name="I135" ao="8.610759149890541e-09"/>
-    <nuclide name="U234" ao="1.00447595096247e-05"/>
-    <nuclide name="U235" ao="0.001021319968105753"/>
-    <nuclide name="U238" ao="0.022134492490415457"/>
-    <nuclide name="Xe135" ao="4.898883540853392e-09"/>
-    <nuclide name="Xe136" ao="1.5016036288896978e-06"/>
+    <nuclide name="Cs135" ao="4.2356868043329955e-07"/>
+    <nuclide name="Gd156" ao="6.865124946086107e-09"/>
+    <nuclide name="Gd157" ao="5.541422693730839e-10"/>
+    <nuclide name="I135" ao="8.398855591278969e-09"/>
+    <nuclide name="U234" ao="1.0044849802108137e-05"/>
+    <nuclide name="U235" ao="0.0010241568543408182"/>
+    <nuclide name="U238" ao="0.02213444658452529"/>
+    <nuclide name="Xe135" ao="5.102657017430096e-09"/>
+    <nuclide name="Xe136" ao="1.3680520508276297e-06"/>
   </material>
   <material id="2" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.7109992046231964e-07"/>
-    <nuclide name="Gd156" ao="7.042063874024541e-09"/>
-    <nuclide name="Gd157" ao="6.027071887061818e-10"/>
-    <nuclide name="I135" ao="7.95412956238769e-09"/>
-    <nuclide name="U234" ao="1.0044351820098593e-05"/>
-    <nuclide name="U235" ao="0.00102408632740032"/>
-    <nuclide name="U238" ao="0.02213423274784442"/>
-    <nuclide name="Xe135" ao="4.973037106302515e-09"/>
-    <nuclide name="Xe136" ao="1.3283930174680673e-06"/>
+    <nuclide name="Cs135" ao="4.2319130817070604e-07"/>
+    <nuclide name="Gd156" ao="7.3426396109268715e-09"/>
+    <nuclide name="Gd157" ao="4.620907180916395e-10"/>
+    <nuclide name="I135" ao="8.145047277711335e-09"/>
+    <nuclide name="U234" ao="1.0044620516536351e-05"/>
+    <nuclide name="U235" ao="0.0010214254323774594"/>
+    <nuclide name="U238" ao="0.02213434395408555"/>
+    <nuclide name="Xe135" ao="4.409408608714128e-09"/>
+    <nuclide name="Xe136" ao="1.517924707536826e-06"/>
   </material>
   <material id="3" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.5196882278137964e-07"/>
-    <nuclide name="Gd156" ao="7.390520641508283e-09"/>
-    <nuclide name="Gd157" ao="6.1139624340991e-10"/>
-    <nuclide name="I135" ao="7.339426249127244e-09"/>
-    <nuclide name="U234" ao="1.0044458911815349e-05"/>
-    <nuclide name="U235" ao="0.0010213846058415266"/>
-    <nuclide name="U238" ao="0.02213428321817386"/>
-    <nuclide name="Xe135" ao="5.052047240880656e-09"/>
-    <nuclide name="Xe136" ao="1.492502282115296e-06"/>
+    <nuclide name="Cs135" ao="4.4178313721689144e-07"/>
+    <nuclide name="Gd156" ao="8.116163111173852e-09"/>
+    <nuclide name="Gd157" ao="4.4088366729959583e-10"/>
+    <nuclide name="I135" ao="9.554417472347754e-09"/>
+    <nuclide name="U234" ao="1.0044450212208804e-05"/>
+    <nuclide name="U235" ao="0.0010161482310562272"/>
+    <nuclide name="U238" ao="0.022134327045989218"/>
+    <nuclide name="Xe135" ao="5.136728188559948e-09"/>
+    <nuclide name="Xe136" ao="1.7812317019106522e-06"/>
   </material>
   <material id="4" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.610385562797368e-07"/>
-    <nuclide name="Gd156" ao="7.2542350999039044e-09"/>
-    <nuclide name="Gd157" ao="4.694384504892065e-10"/>
-    <nuclide name="I135" ao="8.99963252548058e-09"/>
-    <nuclide name="U234" ao="1.0044557857503748e-05"/>
-    <nuclide name="U235" ao="0.0010213889405514816"/>
-    <nuclide name="U238" ao="0.022134477440110358"/>
-    <nuclide name="Xe135" ao="5.198618342135029e-09"/>
-    <nuclide name="Xe136" ao="1.4782292628750817e-06"/>
+    <nuclide name="Cs135" ao="4.3049145669157527e-07"/>
+    <nuclide name="Gd156" ao="6.7653891602652035e-09"/>
+    <nuclide name="Gd157" ao="4.3076614826333194e-10"/>
+    <nuclide name="I135" ao="9.284137145929815e-09"/>
+    <nuclide name="U234" ao="1.0044826197174234e-05"/>
+    <nuclide name="U235" ao="0.001023785201297803"/>
+    <nuclide name="U238" ao="0.022134656031119686"/>
+    <nuclide name="Xe135" ao="4.715214663148694e-09"/>
+    <nuclide name="Xe136" ao="1.377211122940915e-06"/>
   </material>
   <material id="5" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.0464035"/>
-    <nuclide name="Cs135" ao="4.6068906575995227e-07"/>
-    <nuclide name="Gd156" ao="4.45301183633431e-09"/>
-    <nuclide name="Gd157" ao="6.452882105032804e-05"/>
-    <nuclide name="I135" ao="5.350905347436304e-09"/>
-    <nuclide name="U235" ao="0.0010186933910628446"/>
-    <nuclide name="U238" ao="0.02169176973824294"/>
-    <nuclide name="Xe135" ao="6.032753962430652e-09"/>
-    <nuclide name="Xe136" ao="4.88334256170519e-07"/>
+    <nuclide name="Cs135" ao="4.542769181375145e-07"/>
+    <nuclide name="Gd156" ao="4.247507572794269e-09"/>
+    <nuclide name="Gd157" ao="7.607355725712567e-05"/>
+    <nuclide name="I135" ao="4.588514859330725e-09"/>
+    <nuclide name="U235" ao="0.001019991217833744"/>
+    <nuclide name="U238" ao="0.02169178849756869"/>
+    <nuclide name="Xe135" ao="6.09774089179803e-09"/>
+    <nuclide name="Xe136" ao="4.2535577148444276e-07"/>
   </material>
   <material id="6" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.5448917916965475e-07"/>
-    <nuclide name="Gd156" ao="7.987183377412963e-09"/>
-    <nuclide name="Gd157" ao="4.865379817976642e-10"/>
-    <nuclide name="I135" ao="8.523326262987082e-09"/>
-    <nuclide name="U234" ao="1.004449677662597e-05"/>
-    <nuclide name="U235" ao="0.0010175799065569445"/>
-    <nuclide name="U238" ao="0.02213426568393913"/>
-    <nuclide name="Xe135" ao="4.86982078246298e-09"/>
-    <nuclide name="Xe136" ao="1.6938385702297322e-06"/>
+    <nuclide name="Cs135" ao="4.6222292701827685e-07"/>
+    <nuclide name="Gd156" ao="7.641679056086077e-09"/>
+    <nuclide name="Gd157" ao="4.503928459086066e-10"/>
+    <nuclide name="I135" ao="9.492328031362914e-09"/>
+    <nuclide name="U234" ao="1.0044915140880888e-05"/>
+    <nuclide name="U235" ao="0.001018053212441644"/>
+    <nuclide name="U238" ao="0.022134616684476378"/>
+    <nuclide name="Xe135" ao="5.254185581334344e-09"/>
+    <nuclide name="Xe136" ao="1.6535711743231454e-06"/>
   </material>
   <material id="7" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.365851597102055e-07"/>
-    <nuclide name="Gd156" ao="7.885461639644807e-09"/>
-    <nuclide name="Gd157" ao="3.6063871000919685e-10"/>
-    <nuclide name="I135" ao="1.136967239656431e-08"/>
-    <nuclide name="U234" ao="1.004435753347176e-05"/>
-    <nuclide name="U235" ao="0.0010176281979544044"/>
-    <nuclide name="U238" ao="0.02213438660359147"/>
-    <nuclide name="Xe135" ao="5.3728946653715295e-09"/>
-    <nuclide name="Xe136" ao="1.7038388316063246e-06"/>
+    <nuclide name="Cs135" ao="4.1000667812728663e-07"/>
+    <nuclide name="Gd156" ao="6.689077801385136e-09"/>
+    <nuclide name="Gd157" ao="4.130425397110701e-10"/>
+    <nuclide name="I135" ao="9.092777384969168e-09"/>
+    <nuclide name="U234" ao="1.0045299655814742e-05"/>
+    <nuclide name="U235" ao="0.0010228116906663574"/>
+    <nuclide name="U238" ao="0.02213494596654602"/>
+    <nuclide name="Xe135" ao="4.988829222570771e-09"/>
+    <nuclide name="Xe136" ao="1.4452170325218717e-06"/>
   </material>
   <material id="8" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.5625540310461215e-07"/>
-    <nuclide name="Gd156" ao="7.771490180621292e-09"/>
-    <nuclide name="Gd157" ao="4.146823023983641e-10"/>
-    <nuclide name="I135" ao="9.209488335030714e-09"/>
-    <nuclide name="U234" ao="1.0044402337263812e-05"/>
-    <nuclide name="U235" ao="0.0010186458655452861"/>
-    <nuclide name="U238" ao="0.022134339049317633"/>
-    <nuclide name="Xe135" ao="5.497659457987619e-09"/>
-    <nuclide name="Xe136" ao="1.6322553919462217e-06"/>
+    <nuclide name="Cs135" ao="4.7609555432396866e-07"/>
+    <nuclide name="Gd156" ao="7.089929911931423e-09"/>
+    <nuclide name="Gd157" ao="5.88943800256365e-10"/>
+    <nuclide name="I135" ao="8.091275299857685e-09"/>
+    <nuclide name="U234" ao="1.0045375663431424e-05"/>
+    <nuclide name="U235" ao="0.0010201278176149879"/>
+    <nuclide name="U238" ao="0.022134941505628638"/>
+    <nuclide name="Xe135" ao="6.198198965862743e-09"/>
+    <nuclide name="Xe136" ao="1.5232979501057869e-06"/>
   </material>
   <material id="9" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.4849047261874304e-07"/>
-    <nuclide name="Gd156" ao="7.046983082489661e-09"/>
-    <nuclide name="Gd157" ao="4.957093622147675e-10"/>
-    <nuclide name="I135" ao="1.0283911483340312e-08"/>
-    <nuclide name="U234" ao="1.0044263707893839e-05"/>
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-    <nuclide name="Xe135" ao="5.102740934580265e-09"/>
-    <nuclide name="Xe136" ao="1.3522284050998152e-06"/>
+    <nuclide name="Cs135" ao="4.4863029159691885e-07"/>
+    <nuclide name="Gd156" ao="7.869887235954523e-09"/>
+    <nuclide name="Gd157" ao="4.871567704930168e-10"/>
+    <nuclide name="I135" ao="1.0122891892022287e-08"/>
+    <nuclide name="U234" ao="1.0044744554427128e-05"/>
+    <nuclide name="U235" ao="0.0010170220133291787"/>
+    <nuclide name="U238" ao="0.02213450565150903"/>
+    <nuclide name="Xe135" ao="5.427465866595839e-09"/>
+    <nuclide name="Xe136" ao="1.7236218194635904e-06"/>
   </material>
   <material id="10" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.54649330746641e-07"/>
-    <nuclide name="Gd156" ao="8.140359772312664e-09"/>
-    <nuclide name="Gd157" ao="5.697645603089687e-10"/>
-    <nuclide name="I135" ao="7.546282979584689e-09"/>
-    <nuclide name="U234" ao="1.0044621491322387e-05"/>
-    <nuclide name="U235" ao="0.0010168499066742598"/>
-    <nuclide name="U238" ao="0.022134202939750564"/>
-    <nuclide name="Xe135" ao="5.110958338411566e-09"/>
-    <nuclide name="Xe136" ao="1.7346785903470948e-06"/>
+    <nuclide name="Cs135" ao="4.288626509063128e-07"/>
+    <nuclide name="Gd156" ao="6.99761637650265e-09"/>
+    <nuclide name="Gd157" ao="5.869131475432082e-10"/>
+    <nuclide name="I135" ao="8.605440672743045e-09"/>
+    <nuclide name="U234" ao="1.0044858746487949e-05"/>
+    <nuclide name="U235" ao="0.0010241805594391042"/>
+    <nuclide name="U238" ao="0.02213428053355166"/>
+    <nuclide name="Xe135" ao="5.381799114058718e-09"/>
+    <nuclide name="Xe136" ao="1.3636968684764211e-06"/>
   </material>
   <material id="11" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.356328087111304e-07"/>
-    <nuclide name="Gd156" ao="7.482536561844464e-09"/>
-    <nuclide name="Gd157" ao="4.256220744995123e-10"/>
-    <nuclide name="I135" ao="9.633889473449001e-09"/>
-    <nuclide name="U234" ao="1.0044260492856067e-05"/>
-    <nuclide name="U235" ao="0.0010215775522793961"/>
-    <nuclide name="U238" ao="0.022134138392005908"/>
-    <nuclide name="Xe135" ao="4.875694297039386e-09"/>
-    <nuclide name="Xe136" ao="1.4987118043030461e-06"/>
+    <nuclide name="Cs135" ao="4.261923165300342e-07"/>
+    <nuclide name="Gd156" ao="6.888728848648422e-09"/>
+    <nuclide name="Gd157" ao="4.5870701686996404e-10"/>
+    <nuclide name="I135" ao="8.088423684066541e-09"/>
+    <nuclide name="U234" ao="1.0044994812479192e-05"/>
+    <nuclide name="U235" ao="0.0010229754755960263"/>
+    <nuclide name="U238" ao="0.022134637796734684"/>
+    <nuclide name="Xe135" ao="5.001469151555239e-09"/>
+    <nuclide name="Xe136" ao="1.4262445718279605e-06"/>
   </material>
   <material id="12" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.5499172002525965e-07"/>
-    <nuclide name="Gd156" ao="7.90039271767826e-09"/>
-    <nuclide name="Gd157" ao="5.043357296023378e-10"/>
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-    <nuclide name="U235" ao="0.001018955480032775"/>
-    <nuclide name="U238" ao="0.022134093110617634"/>
-    <nuclide name="Xe135" ao="5.099520096684825e-09"/>
-    <nuclide name="Xe136" ao="1.6207687623132563e-06"/>
+    <nuclide name="Cs135" ao="4.427125049968549e-07"/>
+    <nuclide name="Gd156" ao="7.103027348134599e-09"/>
+    <nuclide name="Gd157" ao="4.983820280370249e-10"/>
+    <nuclide name="I135" ao="7.178777085694258e-09"/>
+    <nuclide name="U234" ao="1.0044975670928517e-05"/>
+    <nuclide name="U235" ao="0.0010219904449890577"/>
+    <nuclide name="U238" ao="0.022134544307168158"/>
+    <nuclide name="Xe135" ao="4.755312716308315e-09"/>
+    <nuclide name="Xe136" ao="1.4653655149739397e-06"/>
   </material>
   <material id="13" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.2085912253520763e-07"/>
-    <nuclide name="Gd156" ao="7.387032997276892e-09"/>
-    <nuclide name="Gd157" ao="4.536377596093003e-10"/>
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-    <nuclide name="Xe136" ao="1.5273484191647258e-06"/>
+    <nuclide name="Cs135" ao="4.275393001671307e-07"/>
+    <nuclide name="Gd156" ao="6.673390732809918e-09"/>
+    <nuclide name="Gd157" ao="4.689698161353729e-10"/>
+    <nuclide name="I135" ao="9.619422577491376e-09"/>
+    <nuclide name="U234" ao="1.0044613559837513e-05"/>
+    <nuclide name="U235" ao="0.0010256201677289899"/>
+    <nuclide name="U238" ao="0.02213441873539166"/>
+    <nuclide name="Xe135" ao="4.949562238246029e-09"/>
+    <nuclide name="Xe136" ao="1.2847994319562556e-06"/>
   </material>
   <material id="14" depletable="true" volume="0.06674732823364922" temperature="293.6">
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-    <nuclide name="U238" ao="0.02213424099107004"/>
-    <nuclide name="Xe135" ao="5.458886745013372e-09"/>
-    <nuclide name="Xe136" ao="2.0466796921687864e-06"/>
+    <nuclide name="Cs135" ao="4.448681938648973e-07"/>
+    <nuclide name="Gd156" ao="8.193263118004751e-09"/>
+    <nuclide name="Gd157" ao="3.6012099804909225e-10"/>
+    <nuclide name="I135" ao="1.1474071526782658e-08"/>
+    <nuclide name="U234" ao="1.0045002402839991e-05"/>
+    <nuclide name="U235" ao="0.0010131885250163563"/>
+    <nuclide name="U238" ao="0.022134816489828464"/>
+    <nuclide name="Xe135" ao="5.5082893868947435e-09"/>
+    <nuclide name="Xe136" ao="1.9270066654625705e-06"/>
   </material>
   <material id="71" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.6163611872342463e-07"/>
-    <nuclide name="Gd156" ao="8.092676337515914e-09"/>
-    <nuclide name="Gd157" ao="4.0155978871991965e-10"/>
-    <nuclide name="I135" ao="1.1255710201354816e-08"/>
-    <nuclide name="U234" ao="1.0044080156464483e-05"/>
-    <nuclide name="U235" ao="0.0010160767932805275"/>
-    <nuclide name="U238" ao="0.022134404858133214"/>
-    <nuclide name="Xe135" ao="6.1065455616234985e-09"/>
-    <nuclide name="Xe136" ao="1.7613053571588805e-06"/>
+    <nuclide name="Cs135" ao="4.430482643392291e-07"/>
+    <nuclide name="Gd156" ao="6.877045573690475e-09"/>
+    <nuclide name="Gd157" ao="4.989391562034294e-10"/>
+    <nuclide name="I135" ao="9.413699233026816e-09"/>
+    <nuclide name="U234" ao="1.0044755176343187e-05"/>
+    <nuclide name="U235" ao="0.0010220618298066796"/>
+    <nuclide name="U238" ao="0.02213485182592519"/>
+    <nuclide name="Xe135" ao="5.652564774411855e-09"/>
+    <nuclide name="Xe136" ao="1.4530725740390899e-06"/>
   </material>
   <material id="72" depletable="true" volume="0.06674732823364922" temperature="293.6">
     <density units="sum"/>
     <nuclide name="O16" ao="0.046295399999999994"/>
     <nuclide name="O17" ao="0.00011276839999999999"/>
-    <nuclide name="Cs135" ao="4.5571123718376045e-07"/>
-    <nuclide name="Gd156" ao="6.928887839072172e-09"/>
-    <nuclide name="Gd157" ao="4.3753171369940084e-10"/>
-    <nuclide name="I135" ao="8.934890686722866e-09"/>
-    <nuclide name="U234" ao="1.0044610174441688e-05"/>
-    <nuclide name="U235" ao="0.0010236806448679259"/>
-    <nuclide name="U238" ao="0.022134444472317126"/>
-    <nuclide name="Xe135" ao="5.225774688291077e-09"/>
-    <nuclide name="Xe136" ao="1.3609040886582337e-06"/>
+    <nuclide name="Cs135" ao="4.5911326696160503e-07"/>
+    <nuclide name="Gd156" ao="8.189799197570779e-09"/>
+    <nuclide name="Gd157" ao="4.0611758795110294e-10"/>
+    <nuclide name="I135" ao="1.0680038521394817e-08"/>
+    <nuclide name="U234" ao="1.0044781496434218e-05"/>
+    <nuclide name="U235" ao="0.0010152415868637022"/>
+    <nuclide name="U238" ao="0.022134444076722617"/>
+    <nuclide name="Xe135" ao="5.540154017917435e-09"/>
+    <nuclide name="Xe136" ao="1.8091999503945539e-06"/>
   </material>
   <material id="73" volume="0.017528298008244847" temperature="293.6">
     <density units="sum"/>
diff --git a/tests/regression_tests/deplete_with_transport/test_reference.h5 b/tests/regression_tests/deplete_with_transport/test_reference.h5
index e8478250b..cc616e791 100644
Binary files a/tests/regression_tests/deplete_with_transport/test_reference.h5 and b/tests/regression_tests/deplete_with_transport/test_reference.h5 differ
diff --git a/tests/regression_tests/diff_tally/results_true.dat b/tests/regression_tests/diff_tally/results_true.dat
index 14729c821..a88081b7c 100644
--- a/tests/regression_tests/diff_tally/results_true.dat
+++ b/tests/regression_tests/diff_tally/results_true.dat
@@ -1,27 +1,27 @@
 d_material,d_nuclide,d_variable,score,mean,std. dev.
-3,,density,flux,-8.7368155e+00,1.5577812e+00
-3,,density,flux,-1.4842625e+01,2.2947682e+00
-1,,density,flux,-2.0922686e-01,4.9935069e-02
-1,,density,flux,-3.4582490e-01,1.7454386e-01
-1,O16,nuclide_density,flux,1.1301782e+01,2.2440389e+01
-1,O16,nuclide_density,flux,3.2481563e+00,3.2342885e+01
-1,U235,nuclide_density,flux,-1.5048665e+03,5.9045681e+02
-1,U235,nuclide_density,flux,-1.6193231e+03,9.7230073e+02
-1,,temperature,flux,-1.0891931e-04,2.3076849e-04
-1,,temperature,flux,-1.3563853e-04,2.0952841e-04
-3,,density,total,-3.9155374e+00,5.4862771e-01
-3,,density,absorption,-4.9210534e-01,3.4700776e-02
-3,,density,scatter,-3.4234320e+00,5.1443821e-01
-3,,density,fission,-3.1088949e-01,8.0540906e-02
-3,,density,nu-fission,-7.6137447e-01,1.9548876e-01
-3,,density,total,-3.8615156e-01,1.0175701e-01
-3,,density,absorption,-3.4458071e-01,9.3381192e-02
-3,,density,scatter,-4.1570854e-02,8.6942039e-03
-3,,density,fission,-2.9864832e-01,8.4711885e-02
-3,,density,nu-fission,-7.2797006e-01,2.0640455e-01
-3,,density,total,1.0491251e+01,9.1787723e+00
-3,,density,absorption,2.9819000e-01,3.0887165e-01
-3,,density,scatter,1.0193061e+01,8.8715930e+00
+3,,density,flux,-9.2822822e+00,1.6880315e+00
+3,,density,flux,-2.0591270e+01,3.0043477e+00
+1,,density,flux,-2.9765141e-01,5.2949290e-02
+1,,density,flux,-4.0095723e-01,1.1716168e-01
+1,O16,nuclide_density,flux,-1.4245069e+01,6.3028710e+00
+1,O16,nuclide_density,flux,-2.5098326e+01,5.7525657e+00
+1,U235,nuclide_density,flux,-2.1513560e+03,6.7234014e+02
+1,U235,nuclide_density,flux,-2.4222736e+03,7.7715656e+02
+1,,temperature,flux,-1.1242141e-04,8.1692839e-05
+1,,temperature,flux,6.1357500e-06,7.4812624e-05
+3,,density,total,-4.2880614e+00,7.0021512e-01
+3,,density,absorption,-5.0324695e-01,4.9079615e-02
+3,,density,scatter,-3.7848144e+00,6.5868388e-01
+3,,density,fission,-2.7732455e-01,6.4647487e-02
+3,,density,nu-fission,-6.7990282e-01,1.5692707e-01
+3,,density,total,-3.8043572e-01,9.6222860e-02
+3,,density,absorption,-3.3518262e-01,8.6810436e-02
+3,,density,scatter,-4.5253106e-02,9.5205809e-03
+3,,density,fission,-2.6400028e-01,6.8175997e-02
+3,,density,nu-fission,-6.4353897e-01,1.6613026e-01
+3,,density,total,-3.2070285e-01,2.8328990e+00
+3,,density,absorption,2.5921007e-02,2.2141808e-02
+3,,density,scatter,-3.4662385e-01,2.8171749e+00
 3,,density,fission,0.0000000e+00,0.0000000e+00
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
 3,,density,total,0.0000000e+00,0.0000000e+00
@@ -29,19 +29,19 @@ d_material,d_nuclide,d_variable,score,mean,std. dev.
 3,,density,scatter,0.0000000e+00,0.0000000e+00
 3,,density,fission,0.0000000e+00,0.0000000e+00
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
-1,,density,total,4.7128871e-01,5.7197095e-02
-1,,density,absorption,2.1981833e-02,1.7427232e-02
-1,,density,scatter,4.4930687e-01,4.0030120e-02
-1,,density,fission,6.0712328e-03,1.3719512e-02
-1,,density,nu-fission,1.5474650e-02,3.3437103e-02
-1,,density,total,1.2203418e-02,1.5798741e-02
-1,,density,absorption,7.0228085e-03,1.5294984e-02
-1,,density,scatter,5.1806097e-03,5.0807003e-04
-1,,density,fission,4.1074923e-03,1.3759608e-02
-1,,density,nu-fission,1.0046778e-02,3.3529881e-02
-1,,density,total,-5.2100220e-01,2.7618985e-01
-1,,density,absorption,-1.1039048e-02,6.2043549e-03
-1,,density,scatter,-5.0996315e-01,2.7027892e-01
+1,,density,total,4.0321800e-01,3.5365140e-02
+1,,density,absorption,4.8426976e-03,8.3784362e-03
+1,,density,scatter,3.9837530e-01,2.9076664e-02
+1,,density,fission,-5.4793062e-03,7.1720201e-03
+1,,density,nu-fission,-1.2481616e-02,1.7542625e-02
+1,,density,total,-3.6063021e-03,7.1950060e-03
+1,,density,absorption,-8.2666439e-03,6.9274342e-03
+1,,density,scatter,4.6603417e-03,4.1803496e-04
+1,,density,fission,-7.6315741e-03,7.1774359e-03
+1,,density,nu-fission,-1.8551295e-02,1.7493106e-02
+1,,density,total,-6.2852725e-01,1.9776006e-01
+1,,density,absorption,-1.4850233e-02,4.3086611e-03
+1,,density,scatter,-6.1367701e-01,1.9363188e-01
 1,,density,fission,0.0000000e+00,0.0000000e+00
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
 1,,density,total,0.0000000e+00,0.0000000e+00
@@ -49,19 +49,19 @@ d_material,d_nuclide,d_variable,score,mean,std. dev.
 1,,density,scatter,0.0000000e+00,0.0000000e+00
 1,,density,fission,0.0000000e+00,0.0000000e+00
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
-1,O16,nuclide_density,total,5.5744608e+01,1.3811361e+01
-1,O16,nuclide_density,absorption,2.1284059e+00,3.3353171e+00
-1,O16,nuclide_density,scatter,5.3616202e+01,1.0494347e+01
-1,O16,nuclide_density,fission,6.6058671e-01,1.9263932e+00
-1,O16,nuclide_density,nu-fission,1.5973305e+00,4.6977280e+00
-1,O16,nuclide_density,total,9.8433784e-01,2.4053581e+00
-1,O16,nuclide_density,absorption,9.1167507e-01,2.2565683e+00
-1,O16,nuclide_density,scatter,7.2662768e-02,1.5198625e-01
-1,O16,nuclide_density,fission,6.8845700e-01,1.9451444e+00
-1,O16,nuclide_density,nu-fission,1.6768628e+00,4.7395897e+00
-1,O16,nuclide_density,total,8.1604245e+00,3.7248338e+01
-1,O16,nuclide_density,absorption,2.4903834e-01,4.5609671e-01
-1,O16,nuclide_density,scatter,7.9113862e+00,3.6811434e+01
+1,O16,nuclide_density,total,4.2608989e+01,2.6322158e+00
+1,O16,nuclide_density,absorption,-5.9877963e-01,4.2139216e-01
+1,O16,nuclide_density,scatter,4.3207769e+01,2.5312922e+00
+1,O16,nuclide_density,fission,-9.2838585e-01,4.3505041e-01
+1,O16,nuclide_density,nu-fission,-2.2834786e+00,1.0634300e+00
+1,O16,nuclide_density,total,-1.1195412e+00,3.3033730e-01
+1,O16,nuclide_density,absorption,-1.0650267e+00,3.2780477e-01
+1,O16,nuclide_density,scatter,-5.4514540e-02,2.4911965e-02
+1,O16,nuclide_density,fission,-8.6787386e-01,4.4270048e-01
+1,O16,nuclide_density,nu-fission,-2.1159252e+00,1.0787495e+00
+1,O16,nuclide_density,total,-3.1004750e+01,8.0776339e+00
+1,O16,nuclide_density,absorption,-5.0354237e-01,2.6144390e-01
+1,O16,nuclide_density,scatter,-3.0501208e+01,7.8176703e+00
 1,O16,nuclide_density,fission,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,total,0.0000000e+00,0.0000000e+00
@@ -69,19 +69,19 @@ d_material,d_nuclide,d_variable,score,mean,std. dev.
 1,O16,nuclide_density,scatter,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,fission,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
-1,U235,nuclide_density,total,-2.8654443e+02,3.3721470e+02
-1,U235,nuclide_density,absorption,2.0329180e+02,1.0522263e+02
-1,U235,nuclide_density,scatter,-4.8983623e+02,2.3237977e+02
-1,U235,nuclide_density,fission,2.6089045e+02,7.2578344e+01
-1,U235,nuclide_density,nu-fission,6.3692044e+02,1.7710877e+02
-1,U235,nuclide_density,total,4.5611633e+02,9.1682367e+01
-1,U235,nuclide_density,absorption,3.3831545e+02,8.5035501e+01
-1,U235,nuclide_density,scatter,1.1780088e+02,7.4128809e+00
-1,U235,nuclide_density,fission,2.6094461e+02,7.2102445e+01
-1,U235,nuclide_density,nu-fission,6.3705705e+02,1.7578950e+02
-1,U235,nuclide_density,total,-4.1342174e+03,1.4666097e+03
-1,U235,nuclide_density,absorption,-1.1329170e+02,3.5066579e+01
-1,U235,nuclide_density,scatter,-4.0209257e+03,1.4320401e+03
+1,U235,nuclide_density,total,-5.3578869e+02,3.4044374e+02
+1,U235,nuclide_density,absorption,2.0769087e+02,1.0873543e+02
+1,U235,nuclide_density,scatter,-7.4347956e+02,2.5966153e+02
+1,U235,nuclide_density,fission,2.8982867e+02,8.5348425e+01
+1,U235,nuclide_density,nu-fission,7.0772332e+02,2.0847449e+02
+1,U235,nuclide_density,total,4.8356107e+02,1.0276621e+02
+1,U235,nuclide_density,absorption,3.6683548e+02,9.6924085e+01
+1,U235,nuclide_density,scatter,1.1672558e+02,6.1773010e+00
+1,U235,nuclide_density,fission,2.8941699e+02,8.4475937e+01
+1,U235,nuclide_density,nu-fission,7.0639136e+02,2.0594285e+02
+1,U235,nuclide_density,total,-4.6777522e+03,1.5037171e+03
+1,U235,nuclide_density,absorption,-1.1585081e+02,3.8299177e+01
+1,U235,nuclide_density,scatter,-4.5619014e+03,1.4660078e+03
 1,U235,nuclide_density,fission,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,total,0.0000000e+00,0.0000000e+00
@@ -89,19 +89,19 @@ d_material,d_nuclide,d_variable,score,mean,std. dev.
 1,U235,nuclide_density,scatter,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,fission,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
-1,,temperature,total,5.3733744e-05,1.1785516e-04
-1,,temperature,absorption,-1.3987780e-05,1.9819801e-05
-1,,temperature,scatter,6.7721524e-05,9.9934995e-05
-1,,temperature,fission,-1.4882696e-05,1.6930666e-05
-1,,temperature,nu-fission,-3.6272065e-05,4.1250892e-05
-1,,temperature,total,-1.8119796e-05,2.2651409e-05
-1,,temperature,absorption,-1.7632076e-05,2.1825006e-05
-1,,temperature,scatter,-4.8771972e-07,1.4270133e-06
-1,,temperature,fission,-1.4890811e-05,1.6935899e-05
-1,,temperature,nu-fission,-3.6292215e-05,4.1263951e-05
-1,,temperature,total,-2.0776498e-04,2.9286552e-04
-1,,temperature,absorption,-3.9068381e-06,3.4912438e-06
-1,,temperature,scatter,-2.0385814e-04,2.8941307e-04
+1,,temperature,total,8.2134941e-05,1.3941434e-05
+1,,temperature,absorption,4.1502002e-05,3.5967068e-05
+1,,temperature,scatter,4.0632939e-05,2.6595574e-05
+1,,temperature,fission,3.1768469e-06,2.1582455e-05
+1,,temperature,nu-fission,7.7368345e-06,5.2593375e-05
+1,,temperature,total,1.0834099e-06,2.6707333e-05
+1,,temperature,absorption,1.6240165e-06,2.6844372e-05
+1,,temperature,scatter,-5.4060665e-07,2.5905412e-07
+1,,temperature,fission,3.1674458e-06,2.1588836e-05
+1,,temperature,nu-fission,7.7134913e-06,5.2609321e-05
+1,,temperature,total,9.5175179e-05,1.0549922e-04
+1,,temperature,absorption,4.3553888e-06,2.9261613e-06
+1,,temperature,scatter,9.0819790e-05,1.0362538e-04
 1,,temperature,fission,0.0000000e+00,0.0000000e+00
 1,,temperature,nu-fission,0.0000000e+00,0.0000000e+00
 1,,temperature,total,0.0000000e+00,0.0000000e+00
@@ -109,68 +109,68 @@ d_material,d_nuclide,d_variable,score,mean,std. dev.
 1,,temperature,scatter,0.0000000e+00,0.0000000e+00
 1,,temperature,fission,0.0000000e+00,0.0000000e+00
 1,,temperature,nu-fission,0.0000000e+00,0.0000000e+00
-3,,density,absorption,-4.5579543e-01,5.5532252e-02
-3,,density,absorption,-1.3526251e-02,1.3917291e-01
-1,,density,absorption,3.8695654e-02,1.5823093e-02
-1,,density,absorption,-1.8171150e-02,1.2999773e-03
-1,O16,nuclide_density,absorption,2.0992238e+00,2.7230754e+00
-1,O16,nuclide_density,absorption,-6.8956953e-01,3.3064989e-01
-1,U235,nuclide_density,absorption,2.5000417e+02,7.3334295e+01
-1,U235,nuclide_density,absorption,-1.0832917e+02,1.1517513e+01
-1,,temperature,absorption,1.1819459e-05,4.2090670e-05
-1,,temperature,absorption,-7.2302974e-06,1.5200299e-05
+3,,density,absorption,-5.4897740e-01,8.6529144e-02
+3,,density,absorption,1.3410763e-01,5.6235628e-02
+1,,density,absorption,2.9551566e-02,1.5215007e-02
+1,,density,absorption,-8.6382033e-03,5.5181454e-03
+1,O16,nuclide_density,absorption,2.7111116e-01,9.6922067e-01
+1,O16,nuclide_density,absorption,-7.3785997e-01,7.7252792e-01
+1,U235,nuclide_density,absorption,2.7361252e+02,1.6168134e+02
+1,U235,nuclide_density,absorption,-9.6885408e+01,1.9390948e+01
+1,,temperature,absorption,1.0054736e-05,4.2876538e-05
+1,,temperature,absorption,-1.8280609e-06,1.0133065e-05
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
-3,,density,scatter,-7.6858714e-01,3.2467801e-01
+3,,density,scatter,-5.4273849e-01,1.8081153e-01
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
-3,,density,scatter,3.2513857e-04,3.2513857e-04
-3,,density,nu-fission,-6.4963717e-01,1.8008086e-01
-3,,density,scatter,-2.6911548e+00,2.6336008e-01
-3,,density,nu-fission,-6.3014524e-01,1.8056453e-01
-3,,density,scatter,-3.4247012e-02,2.2649385e-02
+3,,density,scatter,1.3451827e-02,7.2870304e-03
+3,,density,nu-fission,-8.4200508e-01,3.4267126e-01
+3,,density,scatter,-3.1963455e+00,5.0369564e-01
+3,,density,nu-fission,-8.2934702e-01,3.4526131e-01
+3,,density,scatter,-7.0221960e-02,6.8067882e-02
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
-3,,density,scatter,1.0254549e+01,1.1054242e+01
+3,,density,scatter,1.1368387e+00,1.2091778e+00
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
 3,,density,scatter,0.0000000e+00,0.0000000e+00
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
-3,,density,scatter,2.5022850e-01,2.1207285e+00
+3,,density,scatter,-1.5916491e+00,2.3551913e+00
 3,,density,nu-fission,0.0000000e+00,0.0000000e+00
 3,,density,scatter,0.0000000e+00,0.0000000e+00
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
-1,,density,scatter,8.1153611e-03,3.1226564e-02
+1,,density,scatter,-1.8655633e-03,2.4061808e-02
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
-1,,density,scatter,2.3728497e-04,9.7166041e-04
-1,,density,nu-fission,2.6248459e-02,3.9328080e-02
-1,,density,scatter,4.2447769e-01,1.2580873e-02
-1,,density,nu-fission,1.9600074e-02,3.8118776e-02
-1,,density,scatter,8.0978391e-03,2.6585488e-03
+1,,density,scatter,-1.7672807e-04,7.4702879e-04
+1,,density,nu-fission,4.4506944e-03,3.1478180e-02
+1,,density,scatter,3.7553200e-01,2.3420342e-02
+1,,density,nu-fission,-1.3567324e-03,3.0610901e-02
+1,,density,scatter,6.9330560e-03,4.6649873e-03
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
-1,,density,scatter,-3.8358302e-01,2.1525401e-01
+1,,density,scatter,-5.1560927e-01,1.4846253e-01
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
 1,,density,scatter,0.0000000e+00,0.0000000e+00
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
-1,,density,scatter,-1.1924803e-01,9.1254221e-02
+1,,density,scatter,-1.0427977e-01,6.6396271e-02
 1,,density,nu-fission,0.0000000e+00,0.0000000e+00
 1,,density,scatter,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
-1,O16,nuclide_density,scatter,-1.6577061e-01,1.0793192e-01
-1,O16,nuclide_density,nu-fission,2.4995074e+00,5.7946039e+00
-1,O16,nuclide_density,scatter,5.5800956e-01,5.7675606e-01
+1,O16,nuclide_density,scatter,4.6587151e-02,9.0232672e-02
+1,O16,nuclide_density,nu-fission,-2.1162226e+00,2.4773842e+00
+1,O16,nuclide_density,scatter,6.6533325e-01,2.4693113e-01
 1,O16,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,scatter,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
 1,O16,nuclide_density,scatter,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
-1,U235,nuclide_density,scatter,5.8641633e+00,2.9488422e+00
-1,U235,nuclide_density,nu-fission,6.7444160e+02,1.1308014e+02
-1,U235,nuclide_density,scatter,1.1592472e+02,2.8886339e+01
+1,U235,nuclide_density,scatter,2.8979849e+01,2.0235325e+01
+1,U235,nuclide_density,nu-fission,8.1210341e+02,2.9252040e+02
+1,U235,nuclide_density,scatter,1.0307302e+02,4.4919960e+01
 1,U235,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,scatter,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,nu-fission,0.0000000e+00,0.0000000e+00
 1,U235,nuclide_density,scatter,0.0000000e+00,0.0000000e+00
 1,,temperature,nu-fission,0.0000000e+00,0.0000000e+00
-1,,temperature,scatter,-7.7511866e-07,6.4761261e-07
-1,,temperature,nu-fission,-9.5466386e-05,3.1033330e-05
-1,,temperature,scatter,-2.7127084e-06,2.0699253e-07
+1,,temperature,scatter,-3.3782154e-06,3.8240314e-06
+1,,temperature,nu-fission,-6.8920903e-05,4.4384761e-05
+1,,temperature,scatter,1.6325729e-07,2.3270228e-06
 1,,temperature,nu-fission,0.0000000e+00,0.0000000e+00
 1,,temperature,scatter,0.0000000e+00,0.0000000e+00
 1,,temperature,nu-fission,0.0000000e+00,0.0000000e+00
diff --git a/tests/regression_tests/distribmat/results_true.dat b/tests/regression_tests/distribmat/results_true.dat
index af7b27fe7..166fd4662 100644
--- a/tests/regression_tests/distribmat/results_true.dat
+++ b/tests/regression_tests/distribmat/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-1.257344E+00 6.246360E-04
+1.246391E+00 1.414798E-02
 Cell
 	ID             =	11
 	Name           =	
diff --git a/tests/regression_tests/eigenvalue_genperbatch/results_true.dat b/tests/regression_tests/eigenvalue_genperbatch/results_true.dat
index 3f7ea801a..d171c5e87 100644
--- a/tests/regression_tests/eigenvalue_genperbatch/results_true.dat
+++ b/tests/regression_tests/eigenvalue_genperbatch/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-3.037481E-01 1.247474E-04
+2.975937E-01 1.293390E-03
 tally 1:
-3.211129E+01
-2.578396E+02
+3.173222E+01
+2.517683E+02
diff --git a/tests/regression_tests/eigenvalue_no_inactive/results_true.dat b/tests/regression_tests/eigenvalue_no_inactive/results_true.dat
index 2b1021608..3ba7485a9 100644
--- a/tests/regression_tests/eigenvalue_no_inactive/results_true.dat
+++ b/tests/regression_tests/eigenvalue_no_inactive/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.998284E-01 7.587782E-03
+3.072780E-01 6.882841E-03
diff --git a/tests/regression_tests/energy_grid/results_true.dat b/tests/regression_tests/energy_grid/results_true.dat
index deab1e28b..3a042d882 100644
--- a/tests/regression_tests/energy_grid/results_true.dat
+++ b/tests/regression_tests/energy_grid/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.152586E-01 1.458068E-03
+3.218009E-01 4.687417E-03
diff --git a/tests/regression_tests/energy_laws/results_true.dat b/tests/regression_tests/energy_laws/results_true.dat
index 534a299b5..780278683 100644
--- a/tests/regression_tests/energy_laws/results_true.dat
+++ b/tests/regression_tests/energy_laws/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.444000E+00 1.044626E-02
+2.458770E+00 9.422203E-03
diff --git a/tests/regression_tests/entropy/results_true.dat b/tests/regression_tests/entropy/results_true.dat
index 1c8b2908b..92d7f091d 100644
--- a/tests/regression_tests/entropy/results_true.dat
+++ b/tests/regression_tests/entropy/results_true.dat
@@ -1,13 +1,13 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
 entropy:
 7.688862E+00
-8.237960E+00
-8.314772E+00
-8.285254E+00
-8.271486E+00
-8.291355E+00
-8.253349E+00
-8.336726E+00
-8.284741E+00
-8.328102E+00
+8.226316E+00
+8.308355E+00
+8.243413E+00
+8.369345E+00
+8.304865E+00
+8.230689E+00
+8.338304E+00
+8.270630E+00
+8.386598E+00
diff --git a/tests/regression_tests/filter_cellfrom/results_true.dat b/tests/regression_tests/filter_cellfrom/results_true.dat
index 5dd43e1f3..408a4965b 100644
--- a/tests/regression_tests/filter_cellfrom/results_true.dat
+++ b/tests/regression_tests/filter_cellfrom/results_true.dat
@@ -1,53 +1,53 @@
 k-combined:
-9.640806E-02 2.655206E-03
+9.035025E-02 2.654309E-03
 tally 1:
-6.025999E+00
-3.635317E+00
+5.994069E+00
+3.594398E+00
 tally 2:
-4.523606E-04
-2.051522E-08
+4.559707E-04
+2.080739E-08
 tally 3:
-6.026452E+00
-3.635862E+00
+5.994525E+00
+3.594945E+00
 tally 4:
 0.000000E+00
 0.000000E+00
 tally 5:
-1.530903E+00
-2.357048E-01
+1.473892E+00
+2.187509E-01
 tally 6:
-4.992646E-05
-2.600391E-10
+5.223875E-05
+2.992861E-10
 tally 7:
-1.530953E+00
-2.357201E-01
+1.473945E+00
+2.187663E-01
 tally 8:
-1.889115E+01
-3.574727E+01
+1.885798E+01
+3.558423E+01
 tally 9:
-7.556902E+00
-5.717680E+00
+7.467961E+00
+5.580255E+00
 tally 10:
-5.022871E-04
-2.531352E-08
+5.082094E-04
+2.584432E-08
 tally 11:
-7.557405E+00
-5.718440E+00
+7.468470E+00
+5.581014E+00
 tally 12:
-1.889115E+01
-3.574727E+01
+1.885798E+01
+3.558423E+01
 tally 13:
 0.000000E+00
 0.000000E+00
 tally 14:
-2.663407E-04
-7.161725E-09
+2.739543E-04
+7.600983E-09
 tally 15:
-2.663407E-04
-7.161725E-09
+2.739543E-04
+7.600983E-09
 tally 16:
-8.025710E+01
-6.459305E+02
+7.881296E+01
+6.221087E+02
 tally 17:
-1.067059E+02
-1.140939E+03
+1.051397E+02
+1.106292E+03
diff --git a/tests/regression_tests/filter_cellinstance/results_true.dat b/tests/regression_tests/filter_cellinstance/results_true.dat
index 079b7d3d2..152986595 100644
--- a/tests/regression_tests/filter_cellinstance/results_true.dat
+++ b/tests/regression_tests/filter_cellinstance/results_true.dat
@@ -1,84 +1,84 @@
 k-combined:
-1.050139E+00 1.886614E-02
+1.097679E+00 8.074294E-03
 tally 1:
-9.724996E-02
-2.784804E-03
-1.146976E-01
-3.173782E-03
-1.698297E-01
-6.569993E-03
-1.158802E-01
-2.959280E-03
-2.533354E-01
-1.539905E-02
-1.908717E-01
-8.360058E-03
-1.738899E-01
-6.713494E-03
-3.172247E-01
-2.124184E-02
-1.363012E-01
-4.653519E-03
-1.698720E-01
-6.753819E-03
-9.934671E-02
-2.371660E-03
-6.038075E-02
-1.204656E-03
-1.038793E+01
-2.590382E+01
-2.841397E+01
-1.865709E+02
-2.786916E+01
-1.923869E+02
-1.085149E+01
-2.907194E+01
-1.038793E+01
-2.590382E+01
-2.841397E+01
-1.865709E+02
-2.786916E+01
-1.923869E+02
-1.085149E+01
-2.907194E+01
+7.125168E-02
+1.412152E-03
+1.254059E-01
+4.145686E-03
+1.609454E-01
+6.174116E-03
+1.444278E-01
+4.523981E-03
+3.363588E-01
+2.342988E-02
+1.751677E-01
+7.108034E-03
+1.384074E-01
+3.949804E-03
+2.856450E-01
+1.824185E-02
+9.680810E-02
+2.256338E-03
+1.691663E-01
+6.456530E-03
+1.160968E-01
+3.233815E-03
+7.334131E-02
+1.456688E-03
+1.168548E+01
+3.210924E+01
+2.860162E+01
+1.876786E+02
+2.857267E+01
+1.996553E+02
+1.050245E+01
+2.569953E+01
+1.168548E+01
+3.210924E+01
+2.860162E+01
+1.876786E+02
+2.857267E+01
+1.996553E+02
+1.050245E+01
+2.569953E+01
 tally 2:
-1.085149E+01
-2.907194E+01
-2.786916E+01
-1.923869E+02
-2.841397E+01
-1.865709E+02
-1.038793E+01
-2.590382E+01
-1.085149E+01
-2.907194E+01
-2.786916E+01
-1.923869E+02
-2.841397E+01
-1.865709E+02
-1.038793E+01
-2.590382E+01
-6.038075E-02
-1.204656E-03
-9.934671E-02
-2.371660E-03
-1.698720E-01
-6.753819E-03
-1.363012E-01
-4.653519E-03
-3.172247E-01
-2.124184E-02
-1.738899E-01
-6.713494E-03
-1.908717E-01
-8.360058E-03
-2.533354E-01
-1.539905E-02
-1.158802E-01
-2.959280E-03
-1.698297E-01
-6.569993E-03
-1.146976E-01
-3.173782E-03
-9.724996E-02
-2.784804E-03
+1.050245E+01
+2.569953E+01
+2.857267E+01
+1.996553E+02
+2.860162E+01
+1.876786E+02
+1.168548E+01
+3.210924E+01
+1.050245E+01
+2.569953E+01
+2.857267E+01
+1.996553E+02
+2.860162E+01
+1.876786E+02
+1.168548E+01
+3.210924E+01
+7.334131E-02
+1.456688E-03
+1.160968E-01
+3.233815E-03
+1.691663E-01
+6.456530E-03
+9.680810E-02
+2.256338E-03
+2.856450E-01
+1.824185E-02
+1.384074E-01
+3.949804E-03
+1.751677E-01
+7.108034E-03
+3.363588E-01
+2.342988E-02
+1.444278E-01
+4.523981E-03
+1.609454E-01
+6.174116E-03
+1.254059E-01
+4.145686E-03
+7.125168E-02
+1.412152E-03
diff --git a/tests/regression_tests/filter_distribcell/case-3/results_true.dat b/tests/regression_tests/filter_distribcell/case-3/results_true.dat
index f30e858f0..77f2a2a87 100644
--- a/tests/regression_tests/filter_distribcell/case-3/results_true.dat
+++ b/tests/regression_tests/filter_distribcell/case-3/results_true.dat
@@ -1 +1 @@
-1d09084dc41305687d53d1e800fb3d0ac3949aa4e1cb0bfbb327d0ec1ad4b74fc97ee73da84b910529296b858aab9b8a5d0924d17ca2cc373625e1a9e197aa94
\ No newline at end of file
+93c1efbc586874a715982d26609e9e79232de25a0b73093a00938d658440644f0ee6bb823902a6ef1b7a2a855e67b2da0a0e767ef550f9ffa4dea723e35af6f5
\ No newline at end of file
diff --git a/tests/regression_tests/filter_distribcell/case-4/results_true.dat b/tests/regression_tests/filter_distribcell/case-4/results_true.dat
index 228456c58..ed84838ee 100644
--- a/tests/regression_tests/filter_distribcell/case-4/results_true.dat
+++ b/tests/regression_tests/filter_distribcell/case-4/results_true.dat
@@ -1,12 +1,12 @@
 k-combined:
-1.068596E-01          INF
+1.069692E-01          INF
 tally 1:
 1.812612E-02
 3.285561E-04
 2.870442E-02
 8.239436E-04
-1.807689E-02
-3.267740E-04
+1.824058E-02
+3.327188E-04
 2.660796E-02
 7.079835E-04
 1.961572E-02
diff --git a/tests/regression_tests/filter_energyfun/results_true.dat b/tests/regression_tests/filter_energyfun/results_true.dat
index 0aadac82e..d64de58a6 100644
--- a/tests/regression_tests/filter_energyfun/results_true.dat
+++ b/tests/regression_tests/filter_energyfun/results_true.dat
@@ -1,10 +1,10 @@
    energyfunction nuclide                    score     mean  std. dev.
-0  448ee8dfd19c4f   Am241  ((n,gamma) / (n,gamma)) 1.74e-01   6.83e-03
+0  448ee8dfd19c4f   Am241  ((n,gamma) / (n,gamma)) 1.74e-01   5.44e-03
    energyfunction nuclide      score     mean  std. dev.
-0  37e006ae6b2e74   Am241  (n,gamma) 8.16e-02   2.24e-03
+0  37e006ae6b2e74   Am241  (n,gamma) 8.35e-02   1.83e-03
    energyfunction nuclide      score     mean  std. dev.
-0  b4e2ac84068d2d   Am241  (n,gamma) 8.19e-02   2.25e-03
+0  b4e2ac84068d2d   Am241  (n,gamma) 8.39e-02   1.84e-03
    energyfunction nuclide      score     mean  std. dev.
-0  dacf88242512ea   Am241  (n,gamma) 7.95e-02   2.19e-03
+0  dacf88242512ea   Am241  (n,gamma) 8.14e-02   1.78e-03
    energyfunction nuclide      score     mean  std. dev.
-0  fe168c70d9e078   Am241  (n,gamma) 1.06e-01   2.96e-03
+0  fe168c70d9e078   Am241  (n,gamma) 1.09e-01   2.41e-03
diff --git a/tests/regression_tests/filter_mesh/results_true.dat b/tests/regression_tests/filter_mesh/results_true.dat
index a91eadb35..34e99c17e 100644
--- a/tests/regression_tests/filter_mesh/results_true.dat
+++ b/tests/regression_tests/filter_mesh/results_true.dat
@@ -1 +1 @@
-bd55ee25094f9ad04fda4439f58ef0fed718632c88b9fde411a484dc624dedcd45dee643e14d8b107d8b92757737b8bb3d9a667de5482457d6d8346afffdf657
\ No newline at end of file
+e07ed2bc8893c69721abf61b123336f1f6128a3bee6ec63b84d1f549f31707a74a6ce885091ccc0eac6b7f16f7cab39ede4784584c08825829e108de878ea5fb
\ No newline at end of file
diff --git a/tests/regression_tests/filter_musurface/results_true.dat b/tests/regression_tests/filter_musurface/results_true.dat
index 39c9f2b92..4cdd7dbf5 100644
--- a/tests/regression_tests/filter_musurface/results_true.dat
+++ b/tests/regression_tests/filter_musurface/results_true.dat
@@ -1,11 +1,11 @@
 k-combined:
-1.157005E-01 7.587090E-03
+1.202075E-01 1.113188E-02
 tally 1:
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-8.770000E-01
-1.608710E-01
-3.909000E+00
-3.063035E+00
+9.230000E-01
+1.791510E-01
+3.869000E+00
+3.002523E+00
diff --git a/tests/regression_tests/filter_translations/results_true.dat b/tests/regression_tests/filter_translations/results_true.dat
index d257d71a6..a63586d2d 100644
--- a/tests/regression_tests/filter_translations/results_true.dat
+++ b/tests/regression_tests/filter_translations/results_true.dat
@@ -1,342 +1,342 @@
 k-combined:
-2.298294E-01 3.256961E-01
+7.729082E-01 3.775399E-02
 tally 1:
-4.880089E-02
-4.894233E-04
-8.221192E-02
-1.373712E-03
-5.205261E-02
-5.584673E-04
-1.272758E-01
-3.371623E-03
-3.599375E-01
-2.655645E-02
-1.377572E-01
-3.835778E-03
-1.646205E-01
-5.916595E-03
-3.806765E-01
-2.947576E-02
-1.470573E-01
-4.360385E-03
-5.568294E-02
-6.368003E-04
-6.775790E-02
-9.447074E-04
-5.580909E-02
-6.303584E-04
-6.674847E-02
-9.080853E-04
-9.747628E-02
-1.934325E-03
-6.824062E-02
-9.908844E-04
-1.891692E-01
-7.211874E-03
-5.976566E-01
-7.206211E-02
-1.805640E-01
-6.599680E-03
-2.114692E-01
-9.202185E-03
-6.514433E-01
-8.523087E-02
-1.905740E-01
-7.287607E-03
-7.633486E-02
-1.216488E-03
-1.117747E-01
-2.538705E-03
-7.438042E-02
-1.127109E-03
-7.356007E-02
-1.090617E-03
-1.161258E-01
-2.734941E-03
-6.745417E-02
-9.371031E-04
-2.153323E-01
-9.293477E-03
-9.414362E-01
-2.261845E-01
-2.016933E-01
-8.270477E-03
-2.370758E-01
-1.150628E-02
-9.973982E-01
-2.489516E-01
-2.152505E-01
-9.424546E-03
-7.502684E-02
-1.208304E-03
-1.244515E-01
-3.168682E-03
-7.515812E-02
-1.151397E-03
-6.355178E-02
-8.423316E-04
-1.040915E-01
-2.224064E-03
-6.902234E-02
-9.843766E-04
-1.978591E-01
-7.894161E-03
-5.162186E-01
-5.357742E-02
-1.897326E-01
-7.231935E-03
-1.827950E-01
-6.839560E-03
-5.780661E-01
-6.799910E-02
-1.881215E-01
-7.093746E-03
-6.083700E-02
-7.861240E-04
-9.978991E-02
-2.022733E-03
-6.004653E-02
-7.428556E-04
-4.951220E-02
-4.952385E-04
-7.401227E-02
-1.124154E-03
-5.151090E-02
-5.339359E-04
-1.356118E-01
-3.711749E-03
-3.400140E-01
-2.367518E-02
-1.385305E-01
-4.060592E-03
-1.438711E-01
-4.191824E-03
-3.276170E-01
-2.210924E-02
-1.279501E-01
-3.435254E-03
-4.852204E-02
-4.919417E-04
-7.229090E-02
-1.062894E-03
-4.344414E-02
-3.825354E-04
+5.296804E-02
+5.661701E-04
+8.356446E-02
+1.412139E-03
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+1.299348E-01
+3.467618E-03
+3.929702E-01
+3.147038E-02
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+1.405034E-01
+4.473799E-03
+3.785796E-01
+2.940585E-02
+1.422010E-01
+4.113723E-03
+5.647073E-02
+6.735251E-04
+7.911154E-02
+1.329137E-03
+5.160755E-02
+5.361448E-04
+6.669424E-02
+9.090832E-04
+1.008621E-01
+2.134534E-03
+6.808932E-02
+9.355993E-04
+1.873006E-01
+7.135961E-03
+6.221575E-01
+7.819842E-02
+1.856653E-01
+6.954762E-03
+2.014929E-01
+8.327845E-03
+5.853251E-01
+6.945708E-02
+1.709645E-01
+5.917124E-03
+7.214913E-02
+1.058962E-03
+1.027720E-01
+2.138475E-03
+6.099853E-02
+7.493941E-04
+6.892071E-02
+9.630680E-04
+1.035459E-01
+2.173883E-03
+6.973870E-02
+9.904237E-04
+2.125703E-01
+9.112659E-03
+9.012205E-01
+2.163546E-01
+2.066426E-01
+8.617414E-03
+2.258950E-01
+1.039607E-02
+9.476792E-01
+2.350708E-01
+2.225585E-01
+1.017898E-02
+7.111503E-02
+1.036847E-03
+1.117012E-01
+2.530040E-03
+6.870474E-02
+9.551035E-04
+5.738897E-02
+6.699030E-04
+9.522335E-02
+1.835769E-03
+6.570917E-02
+8.656870E-04
+1.945592E-01
+7.593336E-03
+5.514753E-01
+6.122981E-02
+2.144202E-01
+9.421739E-03
+1.971631E-01
+7.944046E-03
+6.088996E-01
+7.442954E-02
+1.965447E-01
+7.765628E-03
+7.005494E-02
+1.012891E-03
+1.010633E-01
+2.084095E-03
+6.145926E-02
+7.694351E-04
+4.999479E-02
+5.129164E-04
+7.238243E-02
+1.062921E-03
+4.902309E-02
+4.852193E-04
+1.324655E-01
+3.642431E-03
+3.305312E-01
+2.265726E-02
+1.332993E-01
+3.728385E-03
+1.547469E-01
+4.894837E-03
+3.625944E-01
+2.747313E-02
+1.435761E-01
+4.334405E-03
+5.789603E-02
+7.065383E-04
+7.589559E-02
+1.205386E-03
+5.210018E-02
+5.790843E-04
 tally 2:
-2.379877E-01
-1.141258E-02
-2.376600E-01
-1.137350E-02
-6.546514E-01
-8.852321E-02
-5.823862E-01
-6.810779E-02
-2.692631E-01
-1.479426E-02
-2.360469E-01
-1.124950E-02
-3.534788E-01
-2.528363E-02
-3.247931E-01
-2.160130E-02
-1.181513E+00
-2.959140E-01
-1.078874E+00
-2.467321E-01
-3.743375E-01
-2.859905E-02
-3.468123E-01
-2.427809E-02
-3.203903E-01
-2.109786E-02
-3.315547E-01
-2.216053E-02
-1.039077E+00
-2.294722E-01
-1.091786E+00
-2.572834E-01
-3.615960E-01
-2.678347E-02
-3.323317E-01
-2.226424E-02
-2.519726E-01
-1.279098E-02
-2.332385E-01
-1.101251E-02
-5.587247E-01
-6.293355E-02
-5.426859E-01
-6.010041E-02
-2.332981E-01
-1.097940E-02
-2.239951E-01
-1.043440E-02
+2.572693E-01
+1.338921E-02
+2.567576E-01
+1.333558E-02
+6.127899E-01
+7.781914E-02
+6.163075E-01
+7.600273E-02
+2.566545E-01
+1.372553E-02
+2.509744E-01
+1.286275E-02
+3.366720E-01
+2.282560E-02
+3.216175E-01
+2.103222E-02
+1.118187E+00
+2.697988E-01
+1.050003E+00
+2.391098E-01
+3.407360E-01
+2.332214E-02
+3.150094E-01
+2.006040E-02
+3.130223E-01
+2.001074E-02
+3.238651E-01
+2.101351E-02
+1.061186E+00
+2.372828E-01
+1.099461E+00
+2.597134E-01
+3.445524E-01
+2.400393E-02
+3.429055E-01
+2.372392E-02
+2.299776E-01
+1.064851E-02
+2.208901E-01
+9.829109E-03
+6.015657E-01
+7.399276E-02
+5.851229E-01
+7.165716E-02
+2.583609E-01
+1.364046E-02
+2.456380E-01
+1.257735E-02
 tally 3:
-4.880089E-02
-4.894233E-04
-8.221192E-02
-1.373712E-03
-5.205261E-02
-5.584673E-04
-1.272758E-01
-3.371623E-03
-3.599375E-01
-2.655645E-02
-1.377572E-01
-3.835778E-03
-1.646205E-01
-5.916595E-03
-3.806765E-01
-2.947576E-02
-1.470573E-01
-4.360385E-03
-5.568294E-02
-6.368003E-04
-6.775790E-02
-9.447074E-04
-5.580909E-02
-6.303584E-04
-6.674847E-02
-9.080853E-04
-9.747628E-02
-1.934325E-03
-6.824062E-02
-9.908844E-04
-1.891692E-01
-7.211874E-03
-5.976566E-01
-7.206211E-02
-1.805640E-01
-6.599680E-03
-2.114692E-01
-9.202185E-03
-6.514433E-01
-8.523087E-02
-1.905740E-01
-7.287607E-03
-7.633486E-02
-1.216488E-03
-1.117747E-01
-2.538705E-03
-7.438042E-02
-1.127109E-03
-7.356007E-02
-1.090617E-03
-1.161258E-01
-2.734941E-03
-6.745417E-02
-9.371031E-04
-2.153323E-01
-9.293477E-03
-9.414362E-01
-2.261845E-01
-2.016933E-01
-8.270477E-03
-2.370758E-01
-1.150628E-02
-9.973982E-01
-2.489516E-01
-2.152505E-01
-9.424546E-03
-7.502684E-02
-1.208304E-03
-1.244515E-01
-3.168682E-03
-7.515812E-02
-1.151397E-03
-6.355178E-02
-8.423316E-04
-1.040915E-01
-2.224064E-03
-6.902234E-02
-9.843766E-04
-1.978591E-01
-7.894161E-03
-5.162186E-01
-5.357742E-02
-1.897326E-01
-7.231935E-03
-1.827950E-01
-6.839560E-03
-5.780661E-01
-6.799910E-02
-1.881215E-01
-7.093746E-03
-6.083700E-02
-7.861240E-04
-9.978991E-02
-2.022733E-03
-6.004653E-02
-7.428556E-04
-4.951220E-02
-4.952385E-04
-7.401227E-02
-1.124154E-03
-5.151090E-02
-5.339359E-04
-1.356118E-01
-3.711749E-03
-3.400140E-01
-2.367518E-02
-1.385305E-01
-4.060592E-03
-1.438711E-01
-4.191824E-03
-3.276170E-01
-2.210924E-02
-1.279501E-01
-3.435254E-03
-4.852204E-02
-4.919417E-04
-7.229090E-02
-1.062894E-03
-4.344414E-02
-3.825354E-04
+5.296804E-02
+5.661701E-04
+8.356446E-02
+1.412139E-03
+5.041335E-02
+5.143568E-04
+1.299348E-01
+3.467618E-03
+3.929702E-01
+3.147038E-02
+1.379707E-01
+3.888484E-03
+1.405034E-01
+4.473799E-03
+3.785796E-01
+2.940585E-02
+1.422010E-01
+4.113723E-03
+5.647073E-02
+6.735251E-04
+7.911154E-02
+1.329137E-03
+5.160755E-02
+5.361448E-04
+6.669424E-02
+9.090832E-04
+1.008621E-01
+2.134534E-03
+6.808932E-02
+9.355993E-04
+1.873006E-01
+7.135961E-03
+6.221575E-01
+7.819842E-02
+1.856653E-01
+6.954762E-03
+2.014929E-01
+8.327845E-03
+5.853251E-01
+6.945708E-02
+1.709645E-01
+5.917124E-03
+7.214913E-02
+1.058962E-03
+1.027720E-01
+2.138475E-03
+6.099853E-02
+7.493941E-04
+6.892071E-02
+9.630680E-04
+1.035459E-01
+2.173883E-03
+6.973870E-02
+9.904237E-04
+2.125703E-01
+9.112659E-03
+9.012205E-01
+2.163546E-01
+2.066426E-01
+8.617414E-03
+2.258950E-01
+1.039607E-02
+9.476792E-01
+2.350708E-01
+2.225585E-01
+1.017898E-02
+7.111503E-02
+1.036847E-03
+1.117012E-01
+2.530040E-03
+6.870474E-02
+9.551035E-04
+5.738897E-02
+6.699030E-04
+9.522335E-02
+1.835769E-03
+6.570917E-02
+8.656870E-04
+1.945592E-01
+7.593336E-03
+5.514753E-01
+6.122981E-02
+2.144202E-01
+9.421739E-03
+1.971631E-01
+7.944046E-03
+6.088996E-01
+7.442954E-02
+1.965447E-01
+7.765628E-03
+7.005494E-02
+1.012891E-03
+1.010633E-01
+2.084095E-03
+6.145926E-02
+7.694351E-04
+4.999479E-02
+5.129164E-04
+7.238243E-02
+1.062921E-03
+4.902309E-02
+4.852193E-04
+1.324655E-01
+3.642431E-03
+3.305312E-01
+2.265726E-02
+1.332993E-01
+3.728385E-03
+1.547469E-01
+4.894837E-03
+3.625944E-01
+2.747313E-02
+1.435761E-01
+4.334405E-03
+5.789603E-02
+7.065383E-04
+7.589559E-02
+1.205386E-03
+5.210018E-02
+5.790843E-04
 tally 4:
-2.379877E-01
-1.141258E-02
-2.376600E-01
-1.137350E-02
-6.546514E-01
-8.852321E-02
-5.823862E-01
-6.810779E-02
-2.692631E-01
-1.479426E-02
-2.360469E-01
-1.124950E-02
-3.534788E-01
-2.528363E-02
-3.247931E-01
-2.160130E-02
-1.181513E+00
-2.959140E-01
-1.078874E+00
-2.467321E-01
-3.743375E-01
-2.859905E-02
-3.468123E-01
-2.427809E-02
-3.203903E-01
-2.109786E-02
-3.315547E-01
-2.216053E-02
-1.039077E+00
-2.294722E-01
-1.091786E+00
-2.572834E-01
-3.615960E-01
-2.678347E-02
-3.323317E-01
-2.226424E-02
-2.519726E-01
-1.279098E-02
-2.332385E-01
-1.101251E-02
-5.587247E-01
-6.293355E-02
-5.426859E-01
-6.010041E-02
-2.332981E-01
-1.097940E-02
-2.239951E-01
-1.043440E-02
+2.572693E-01
+1.338921E-02
+2.567576E-01
+1.333558E-02
+6.127899E-01
+7.781914E-02
+6.163075E-01
+7.600273E-02
+2.566545E-01
+1.372553E-02
+2.509744E-01
+1.286275E-02
+3.366720E-01
+2.282560E-02
+3.216175E-01
+2.103222E-02
+1.118187E+00
+2.697988E-01
+1.050003E+00
+2.391098E-01
+3.407360E-01
+2.332214E-02
+3.150094E-01
+2.006040E-02
+3.130223E-01
+2.001074E-02
+3.238651E-01
+2.101351E-02
+1.061186E+00
+2.372828E-01
+1.099461E+00
+2.597134E-01
+3.445524E-01
+2.400393E-02
+3.429055E-01
+2.372392E-02
+2.299776E-01
+1.064851E-02
+2.208901E-01
+9.829109E-03
+6.015657E-01
+7.399276E-02
+5.851229E-01
+7.165716E-02
+2.583609E-01
+1.364046E-02
+2.456380E-01
+1.257735E-02
diff --git a/tests/regression_tests/ifp/results_true.dat b/tests/regression_tests/ifp/results_true.dat
index a74e2bd78..1d8f69e12 100644
--- a/tests/regression_tests/ifp/results_true.dat
+++ b/tests/regression_tests/ifp/results_true.dat
@@ -1,9 +1,9 @@
 k-combined:
-1.007452E+00 5.705278E-03
+1.006559E+00 5.389391E-03
 tally 1:
-8.996235E-08
-5.461421E-16
-4.800000E-02
-4.680000E-04
-1.512000E+01
-1.526063E+01
+9.109384E-08
+5.667165E-16
+6.500000E-02
+6.710000E-04
+1.489000E+01
+1.480036E+01
diff --git a/tests/regression_tests/infinite_cell/results_true.dat b/tests/regression_tests/infinite_cell/results_true.dat
index 2c4ce082d..4cdbcaf88 100644
--- a/tests/regression_tests/infinite_cell/results_true.dat
+++ b/tests/regression_tests/infinite_cell/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.589951E-02 8.489144E-04
+9.603664E-02 1.050772E-03
diff --git a/tests/regression_tests/iso_in_lab/results_true.dat b/tests/regression_tests/iso_in_lab/results_true.dat
index aaef22623..0378ec86d 100644
--- a/tests/regression_tests/iso_in_lab/results_true.dat
+++ b/tests/regression_tests/iso_in_lab/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.015537E-01 1.086850E-01
+9.365837E-01 5.366122E-02
diff --git a/tests/regression_tests/lattice/results_true.dat b/tests/regression_tests/lattice/results_true.dat
index f3e937b36..dca84bd6a 100644
--- a/tests/regression_tests/lattice/results_true.dat
+++ b/tests/regression_tests/lattice/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.610829E-01 2.522714E-02
+9.182679E-01 5.270201E-02
diff --git a/tests/regression_tests/lattice_distribmat/False/results_true.dat b/tests/regression_tests/lattice_distribmat/False/results_true.dat
index 45a9ddb0a..9ebbb43b8 100644
--- a/tests/regression_tests/lattice_distribmat/False/results_true.dat
+++ b/tests/regression_tests/lattice_distribmat/False/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.863277E+00 1.289821E-02
+1.848895E+00 1.480242E-02
diff --git a/tests/regression_tests/lattice_distribmat/True/results_true.dat b/tests/regression_tests/lattice_distribmat/True/results_true.dat
index 45a9ddb0a..9ebbb43b8 100644
--- a/tests/regression_tests/lattice_distribmat/True/results_true.dat
+++ b/tests/regression_tests/lattice_distribmat/True/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.863277E+00 1.289821E-02
+1.848895E+00 1.480242E-02
diff --git a/tests/regression_tests/lattice_distribrho/results_true.dat b/tests/regression_tests/lattice_distribrho/results_true.dat
index d7094f4e3..f7f3da8e6 100644
--- a/tests/regression_tests/lattice_distribrho/results_true.dat
+++ b/tests/regression_tests/lattice_distribrho/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.904471E+00 5.255549E-03
+1.900249E+00 8.157834E-03
diff --git a/tests/regression_tests/lattice_hex/results_true.dat b/tests/regression_tests/lattice_hex/results_true.dat
index 789bacc40..46db641eb 100644
--- a/tests/regression_tests/lattice_hex/results_true.dat
+++ b/tests/regression_tests/lattice_hex/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.566607E-01 9.207770E-03
+2.595598E-01 9.089294E-03
diff --git a/tests/regression_tests/lattice_hex_coincident/results_true.dat b/tests/regression_tests/lattice_hex_coincident/results_true.dat
index c134e123f..c798b66e4 100644
--- a/tests/regression_tests/lattice_hex_coincident/results_true.dat
+++ b/tests/regression_tests/lattice_hex_coincident/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.917792E+00 4.329425E-02
+1.931086E+00 5.968486E-02
diff --git a/tests/regression_tests/lattice_hex_x/results_true.dat b/tests/regression_tests/lattice_hex_x/results_true.dat
index 174dc70cd..44f947283 100644
--- a/tests/regression_tests/lattice_hex_x/results_true.dat
+++ b/tests/regression_tests/lattice_hex_x/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.367975E+00 2.264887E-02
+1.326294E+00 1.193578E-02
diff --git a/tests/regression_tests/lattice_multiple/results_true.dat b/tests/regression_tests/lattice_multiple/results_true.dat
index 7a06551bd..0866932d2 100644
--- a/tests/regression_tests/lattice_multiple/results_true.dat
+++ b/tests/regression_tests/lattice_multiple/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.859911E+00 8.282311E-03
+1.843982E+00 5.815875E-03
diff --git a/tests/regression_tests/lattice_rotated/results_true.dat b/tests/regression_tests/lattice_rotated/results_true.dat
index eeaa268fb..9a96a9259 100644
--- a/tests/regression_tests/lattice_rotated/results_true.dat
+++ b/tests/regression_tests/lattice_rotated/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.426784E-01 6.627506E-03
+4.515246E-01 2.358354E-02
diff --git a/tests/regression_tests/mg_basic/results_true.dat b/tests/regression_tests/mg_basic/results_true.dat
index 15a9f2186..16980732d 100644
--- a/tests/regression_tests/mg_basic/results_true.dat
+++ b/tests/regression_tests/mg_basic/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.009864E+00 1.107115E-02
+1.004679E+00 1.329350E-02
diff --git a/tests/regression_tests/mg_basic_delayed/results_true.dat b/tests/regression_tests/mg_basic_delayed/results_true.dat
index 6f7c79c1b..f150030b9 100644
--- a/tests/regression_tests/mg_basic_delayed/results_true.dat
+++ b/tests/regression_tests/mg_basic_delayed/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.024610E+00 9.643746E-03
+1.017078E+00 1.181139E-02
diff --git a/tests/regression_tests/mg_convert/results_true.dat b/tests/regression_tests/mg_convert/results_true.dat
index ff3d7bb91..f8f748cc7 100644
--- a/tests/regression_tests/mg_convert/results_true.dat
+++ b/tests/regression_tests/mg_convert/results_true.dat
@@ -1,24 +1,24 @@
 k-combined:
-9.984888E-01 1.558301E-03
+9.926427E-01 3.067527E-03
 k-combined:
-1.001035E+00 7.622447E-04
+9.932868E-01 2.780271E-03
 k-combined:
-9.984888E-01 1.558301E-03
+9.926427E-01 3.067527E-03
 k-combined:
-9.991101E-01 2.776191E-03
+1.000000E+00 0.000000E+00
 k-combined:
-9.965954E-01 5.185046E-03
+9.902969E-01 1.654717E-02
 k-combined:
-9.987613E-01 4.806845E-04
+9.882796E-01 1.929843E-03
 k-combined:
-9.991101E-01 2.776191E-03
+1.000000E+00 0.000000E+00
 k-combined:
-9.965954E-01 5.185315E-03
+9.902953E-01 1.654291E-02
 k-combined:
-9.987610E-01 4.791528E-04
+9.882814E-01 1.927488E-03
 k-combined:
-9.944808E-01 4.458524E-03
+9.893153E-01 7.576652E-03
 k-combined:
-9.984888E-01 1.558301E-03
+9.926427E-01 3.067527E-03
 k-combined:
-9.984888E-01 1.558301E-03
+9.926427E-01 3.067527E-03
diff --git a/tests/regression_tests/mg_convert/test.py b/tests/regression_tests/mg_convert/test.py
index 8099c89a2..0e50f3a74 100755
--- a/tests/regression_tests/mg_convert/test.py
+++ b/tests/regression_tests/mg_convert/test.py
@@ -1,3 +1,4 @@
+from math import isnan
 import os
 import hashlib
 
@@ -142,10 +143,13 @@ class MGXSTestHarness(PyAPITestHarness):
                 openmc.run(openmc_exec=config['exe'])
 
             with openmc.StatePoint('statepoint.{}.h5'.format(batches)) as sp:
+                # Sometimes NaN results are produced; convert these to 0.0
+                std_dev = 0.0 if isnan(sp.keff.s) else sp.keff.s
+
                 # Write out k-combined.
                 outstr += 'k-combined:\n'
                 form = '{:12.6E} {:12.6E}\n'
-                outstr += form.format(sp.keff.n, sp.keff.s)
+                outstr += form.format(sp.keff.n, std_dev)
 
         return outstr
 
diff --git a/tests/regression_tests/mg_legendre/results_true.dat b/tests/regression_tests/mg_legendre/results_true.dat
index e2989469c..04d9c9874 100644
--- a/tests/regression_tests/mg_legendre/results_true.dat
+++ b/tests/regression_tests/mg_legendre/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.003646E+00 9.134747E-03
+1.009220E+00 9.571832E-03
diff --git a/tests/regression_tests/mg_max_order/results_true.dat b/tests/regression_tests/mg_max_order/results_true.dat
index e2989469c..04d9c9874 100644
--- a/tests/regression_tests/mg_max_order/results_true.dat
+++ b/tests/regression_tests/mg_max_order/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.003646E+00 9.134747E-03
+1.009220E+00 9.571832E-03
diff --git a/tests/regression_tests/mg_survival_biasing/results_true.dat b/tests/regression_tests/mg_survival_biasing/results_true.dat
index cddbdaceb..4b26978ad 100644
--- a/tests/regression_tests/mg_survival_biasing/results_true.dat
+++ b/tests/regression_tests/mg_survival_biasing/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.878738E-01 8.326224E-03
+9.889968E-01 9.144186E-03
diff --git a/tests/regression_tests/mg_tallies/results_true.dat b/tests/regression_tests/mg_tallies/results_true.dat
index 7484dd248..07fe22ce5 100644
--- a/tests/regression_tests/mg_tallies/results_true.dat
+++ b/tests/regression_tests/mg_tallies/results_true.dat
@@ -1,1324 +1,1324 @@
 k-combined:
-1.003646E+00 9.134747E-03
+1.012390E+00 9.679132E-03
 tally 1:
-5.220000E-01
-5.995400E-02
-1.400000E-02
-4.000000E-05
-6.718865E-03
-9.371695E-06
-1.106435E-02
-3.119729E-05
-1.216992E-07
-3.699412E-15
-1.106435E-02
-3.119729E-05
+1.342000E+00
+4.291640E-01
+7.000000E-02
+1.158000E-03
+2.919844E-02
+1.953371E-04
+5.372246E-02
+6.734832E-04
+2.939310E-07
+2.375686E-14
+5.372246E-02
+6.734832E-04
 0.000000E+00
 0.000000E+00
-1.343773E+06
-3.748678E+11
-5.220000E-01
-5.995400E-02
+5.839688E+06
+7.813485E+12
+1.342000E+00
+4.291640E-01
 0.000000E+00
 0.000000E+00
-1.520872E+00
-5.121226E-01
-2.564000E+00
-1.338762E+00
-1.160000E-01
-2.738000E-03
-4.593685E-02
-4.275719E-04
-1.360763E-01
-3.951569E-03
-8.079937E-07
-1.577355E-13
-1.350645E-01
-3.872739E-03
-1.011813E-03
-1.023765E-06
-9.187371E+06
-1.710288E+13
-2.564000E+00
-1.338762E+00
-8.595248E-04
-7.387829E-07
-7.412367E+00
-1.121746E+01
-2.184000E+00
-9.895940E-01
-1.080000E-01
-2.394000E-03
-4.782785E-02
-4.787428E-04
-1.140806E-01
-2.886440E-03
-6.242229E-07
-9.307161E-14
-1.130687E-01
-2.811706E-03
-1.011813E-03
-1.023765E-06
-9.565570E+06
-1.914971E+13
-2.184000E+00
-9.895940E-01
-3.312574E-05
-1.097314E-09
-6.331465E+00
-8.328826E+00
-5.970000E-01
-8.325100E-02
-3.500000E-02
-3.150000E-04
-1.514871E-02
-5.131352E-05
-3.795718E-02
-3.631435E-04
-2.299730E-07
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+1.267275E-01
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 0.000000E+00
 0.000000E+00
-3.029741E+06
-2.052541E+12
-5.970000E-01
-8.325100E-02
+1.116627E+07
+2.506612E+13
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 0.000000E+00
 0.000000E+00
-1.714353E+00
-6.970480E-01
-1.852000E+00
-7.973360E-01
-7.900000E-02
-1.689000E-03
-2.755187E-02
-2.091740E-04
-5.453423E-02
-7.484037E-04
-2.368001E-07
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 0.000000E+00
 0.000000E+00
-5.510374E+06
-8.366961E+12
-1.852000E+00
-7.973360E-01
+9.968777E+06
+2.130099E+13
+2.527000E+00
+1.452369E+00
 0.000000E+00
 0.000000E+00
-5.449659E+00
-6.908544E+00
-4.177000E+00
-3.780409E+00
-1.760000E-01
-6.584000E-03
-7.049310E-02
-1.047700E-03
-2.082153E-01
-9.154274E-03
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-2.590031E-13
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 0.000000E+00
 0.000000E+00
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-4.177000E+00
-3.780409E+00
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 0.000000E+00
 0.000000E+00
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-2.287000E+00
-1.059809E+00
-1.040000E-01
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-4.025632E-02
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+7.099216E-17
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 0.000000E+00
 0.000000E+00
-8.051265E+06
-1.323783E+13
-2.287000E+00
-1.059809E+00
+9.777007E+04
+4.779493E+09
+1.250000E-01
+5.357000E-03
 0.000000E+00
 0.000000E+00
-6.680550E+00
-9.051488E+00
-6.398000E+00
-8.323220E+00
-2.580000E-01
-1.356600E-02
-1.070205E-01
-2.345401E-03
-2.825180E-01
-1.658268E-02
-1.510574E-06
-5.135513E-13
-2.805357E-01
-1.633928E-02
-1.982273E-03
-1.965559E-06
-2.140411E+07
-9.381603E+13
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-1.863566E+01
-7.066273E+01
-1.167000E+00
-4.778410E-01
-5.100000E-02
-9.290000E-04
-1.851002E-02
-1.273765E-04
-3.405873E-02
-6.277248E-04
-1.688115E-07
-1.480555E-14
-3.195431E-02
-5.302962E-04
-2.104418E-03
-4.428574E-06
-3.702005E+06
-5.095061E+12
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-4.778410E-01
-3.530361E-04
-1.246345E-07
-3.428588E+00
-4.115657E+00
-3.630000E+00
-2.765806E+00
-1.490000E-01
-4.587000E-03
-5.894825E-02
-7.367371E-04
-1.434581E-01
-4.305327E-03
-7.603618E-07
-1.250071E-13
-1.414758E-01
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-1.965559E-06
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-3.630000E+00
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-4.160428E-04
-1.012741E-07
-1.059988E+01
-2.359174E+01
+3.698633E-01
+4.679347E-02
 tally 2:
-5.033991E-01
-5.701830E-02
-2.304219E-02
-1.162005E-04
-9.376617E-03
-1.933443E-05
-2.344154E-02
-1.208402E-04
-1.277674E-07
-3.888071E-15
-2.329292E-02
-1.193128E-04
-1.486195E-04
-4.857250E-09
-1.875323E+06
-7.733771E+11
-5.220000E-01
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-6.963583E-05
-1.066362E-09
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-1.396717E+00
-1.276380E-01
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-5.565805E-02
-6.598224E-04
-1.391451E-01
-4.123890E-03
-8.331879E-07
-1.660597E-13
-1.382629E-01
-4.071765E-03
-8.821806E-04
-1.657624E-07
-1.113161E+07
-2.639289E+13
-2.581000E+00
-1.357455E+00
-4.133468E-04
-3.639153E-08
-7.576783E+00
-1.169599E+01
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-1.033217E+00
-1.065165E-01
-2.416670E-03
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-1.137312E-01
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 tally 3:
-1.092010E+02
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 tally 4:
-1.092010E+02
-2.386227E+03
-4.979068E+00
-4.959690E+00
-2.016700E+00
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 tally 5:
-1.097121E+02
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 tally 6:
-1.042260E+02
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 tally 7:
-6.507000E+00
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-1.444000E+00
-4.172780E-01
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 tally 8:
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 tally 9:
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 tally 10:
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+2.347065E-08
+5.243075E-16
+8.785544E-03
+3.178055E-05
+5.605578E-05
+1.293793E-09
+7.073280E+05
+2.059993E+11
+3.000000E-01
+4.514200E-02
+2.626500E-05
+2.840396E-10
+1.267544E-01
+5.491246E-03
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+8.161899E-06
+1.471497E-03
+8.779657E-07
+3.678743E-03
+5.487286E-06
+1.030812E-08
+1.028225E-16
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+5.417928E-06
+2.332325E-05
+2.205650E-10
+2.942995E+05
+3.511863E+10
+1.300000E-01
+5.822000E-03
+1.092814E-05
+4.842290E-11
 tally 13:
-1.092010E+02
-2.386227E+03
-4.975000E+00
-4.950147E+00
-2.009472E+00
-8.076733E-01
-5.000649E+00
-5.012321E+00
-2.728992E-05
-1.491241E-10
-4.964474E+00
-4.939215E+00
-3.617555E-02
-2.875519E-04
-4.018944E+08
-3.230693E+16
-1.092010E+02
-2.386227E+03
-1.333979E-02
-5.019969E-05
-1.042260E+02
-2.173864E+03
-1.042260E+02
-2.173864E+03
+1.098420E+02
+2.414277E+03
+4.993000E+00
+4.986021E+00
+2.023763E+00
+8.192234E-01
+5.037812E+00
+5.086734E+00
+2.745346E-05
+1.509092E-10
+5.002505E+00
+5.014944E+00
+3.530702E-02
+2.695026E-04
+4.047525E+08
+3.276894E+16
+1.098420E+02
+2.414277E+03
+1.059695E-02
+2.782849E-05
+1.048490E+02
+2.199887E+03
+1.048490E+02
+2.199887E+03
 tally 14:
-1.092010E+02
-2.386227E+03
-4.979068E+00
-4.959690E+00
-2.016700E+00
-8.137138E-01
-5.041749E+00
-5.085712E+00
-5.020635E-05
-5.047241E-10
-5.009785E+00
-5.021429E+00
-3.196471E-02
-2.044235E-04
-4.033399E+08
-3.254855E+16
-1.092010E+02
-2.386227E+03
-1.497710E-02
-4.487918E-05
+1.098420E+02
+2.414277E+03
+5.008447E+00
+5.018748E+00
+2.028674E+00
+8.234818E-01
+5.071684E+00
+5.146761E+00
+5.050718E-05
+5.107669E-10
+5.039530E+00
+5.081707E+00
+3.215450E-02
+2.068774E-04
+4.057347E+08
+3.293927E+16
+1.098420E+02
+2.414277E+03
+1.506603E-02
+4.541792E-05
 tally 15:
-1.097121E+02
-2.408636E+03
-5.009145E+00
-5.019563E+00
-2.032191E+00
-8.264420E-01
-5.080477E+00
-5.165263E+00
-2.756641E-05
-1.523527E-10
-5.048267E+00
-5.099975E+00
-3.221025E-02
-2.076211E-04
-4.064382E+08
-3.305768E+16
-1.093810E+02
-2.394075E+03
-1.509215E-02
-4.558119E-05
+1.103689E+02
+2.437562E+03
+5.035611E+00
+5.073005E+00
+2.041209E+00
+8.337913E-01
+5.103022E+00
+5.211196E+00
+2.765405E-05
+1.532759E-10
+5.070669E+00
+5.145327E+00
+3.235318E-02
+2.094674E-04
+4.082417E+08
+3.335165E+16
+1.098580E+02
+2.414983E+03
+1.515912E-02
+4.598653E-05
 tally 16:
-1.042260E+02
-2.173864E+03
-1.042260E+02
-2.173864E+03
-5.000649E+00
-5.012321E+00
+1.048490E+02
+2.199887E+03
+1.048490E+02
+2.199887E+03
+5.037812E+00
+5.086734E+00
 tally 17:
-6.507000E+00
-8.478423E+00
-1.444000E+00
-4.172780E-01
-1.146407E+00
-2.630079E-01
-2.867025E+00
-1.647980E+00
-2.707153E-05
-1.467503E-10
-2.848880E+00
-1.627146E+00
-1.814469E-02
-6.685238E-05
-2.292814E+08
-1.052031E+16
-6.507000E+00
-8.478423E+00
-9.467712E-03
-2.396878E-05
-5.063000E+00
-5.136983E+00
-5.063000E+00
-5.136983E+00
-1.026940E+02
-2.110535E+03
+6.546000E+00
+8.579894E+00
+1.462000E+00
+4.278220E-01
+1.160697E+00
+2.696537E-01
+2.879845E+00
+1.663297E+00
+2.723379E-05
+1.485067E-10
+2.862628E+00
+1.643479E+00
+1.721726E-02
+6.055382E-05
+2.321395E+08
+1.078615E+16
+6.546000E+00
+8.579894E+00
+6.709978E-03
+1.387848E-05
+5.084000E+00
+5.178800E+00
+5.084000E+00
+5.178800E+00
+1.032960E+02
+2.135240E+03
 3.531000E+00
-2.493861E+00
+2.493943E+00
 8.630652E-01
-1.489924E-01
-2.133624E+00
-9.150435E-01
-2.183901E-07
-9.544829E-15
-2.115593E+00
-8.991467E-01
-1.803087E-02
-8.677353E-05
+1.489973E-01
+2.157967E+00
+9.345420E-01
+2.196703E-07
+9.656558E-15
+2.139877E+00
+9.185178E-01
+1.808977E-02
+8.744581E-05
 1.726130E+08
-5.959695E+15
-1.026940E+02
-2.110535E+03
-3.872081E-03
-5.919692E-06
-9.916300E+01
-1.968002E+03
-9.916300E+01
-1.968002E+03
+5.959891E+15
+1.032960E+02
+2.135240E+03
+3.886968E-03
+5.976458E-06
+9.976500E+01
+1.991860E+03
+9.976500E+01
+1.991860E+03
 tally 18:
-6.507000E+00
-8.478423E+00
-1.455344E+00
-4.241161E-01
-1.155413E+00
-2.673178E-01
-2.888532E+00
-1.670737E+00
-4.955615E-05
-4.917547E-10
-2.870219E+00
-1.649619E+00
-1.831331E-02
-6.715634E-05
-2.310826E+08
-1.069271E+16
-6.507000E+00
-8.478423E+00
-8.580723E-03
-1.474352E-05
-1.026940E+02
-2.110535E+03
-3.523724E+00
-2.484884E+00
-8.612868E-01
-1.484560E-01
-2.153217E+00
-9.278503E-01
-6.502027E-07
-8.460574E-14
-2.139566E+00
-9.161225E-01
-1.365140E-02
-3.729555E-05
-1.722574E+08
-5.938242E+15
-1.026940E+02
-2.110535E+03
-6.396382E-03
-8.187874E-06
+6.546000E+00
+8.579894E+00
+1.464067E+00
+4.291919E-01
+1.162338E+00
+2.705171E-01
+2.905845E+00
+1.690732E+00
+4.985316E-05
+4.976401E-10
+2.887422E+00
+1.669362E+00
+1.842307E-02
+6.796008E-05
+2.324676E+08
+1.082069E+16
+6.546000E+00
+8.579894E+00
+8.632151E-03
+1.491997E-05
+1.032960E+02
+2.135240E+03
+3.544380E+00
+2.513971E+00
+8.663357E-01
+1.501938E-01
+2.165839E+00
+9.387115E-01
+6.540142E-07
+8.559612E-14
+2.152108E+00
+9.268463E-01
+1.373143E-02
+3.773212E-05
+1.732671E+08
+6.007753E+15
+1.032960E+02
+2.135240E+03
+6.433878E-03
+8.283719E-06
 tally 19:
-6.573230E+00
-8.663027E+00
-1.470157E+00
-4.333505E-01
-1.167173E+00
-2.731383E-01
-2.917933E+00
-1.707114E+00
-2.734707E-05
-1.499456E-10
-2.899433E+00
-1.685536E+00
-1.849971E-02
-6.861856E-05
-2.334346E+08
-1.092553E+16
-6.518000E+00
-8.507644E+00
-8.668060E-03
-1.506454E-05
-1.031389E+02
-2.128993E+03
-3.538988E+00
-2.506616E+00
-8.650177E-01
-1.497544E-01
-2.162544E+00
-9.359650E-01
-2.193361E-07
-9.628305E-15
-2.148834E+00
-9.241346E-01
-1.371054E-02
-3.762172E-05
-1.730035E+08
-5.990176E+15
-1.028630E+02
-2.117467E+03
-6.424090E-03
-8.259483E-06
+6.593971E+00
+8.715030E+00
+1.474796E+00
+4.359519E-01
+1.170856E+00
+2.747779E-01
+2.927140E+00
+1.717362E+00
+2.743336E-05
+1.508457E-10
+2.908582E+00
+1.695655E+00
+1.855808E-02
+6.903047E-05
+2.341712E+08
+1.099112E+16
+6.547000E+00
+8.582573E+00
+8.695410E-03
+1.515497E-05
+1.037750E+02
+2.155274E+03
+3.560815E+00
+2.537559E+00
+8.703528E-01
+1.516031E-01
+2.175882E+00
+9.475192E-01
+2.206889E-07
+9.747163E-15
+2.162087E+00
+9.355427E-01
+1.379510E-02
+3.808615E-05
+1.740706E+08
+6.064123E+15
+1.033110E+02
+2.135863E+03
+6.463712E-03
+8.361443E-06
 tally 20:
-5.063000E+00
-5.136983E+00
-5.063000E+00
-5.136983E+00
+5.084000E+00
+5.178800E+00
+5.084000E+00
+5.178800E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-2.867025E+00
-1.647980E+00
-1.445000E+00
-4.178610E-01
-1.445000E+00
-4.178610E-01
+2.879845E+00
+1.663297E+00
+1.463000E+00
+4.284330E-01
+1.463000E+00
+4.284330E-01
 0.000000E+00
 0.000000E+00
-9.771800E+01
-1.911083E+03
-9.771800E+01
-1.911083E+03
-2.133624E+00
-9.150435E-01
+9.830200E+01
+1.933884E+03
+9.830200E+01
+1.933884E+03
+2.157967E+00
+9.345420E-01
diff --git a/tests/regression_tests/mg_temperature/results_true.dat b/tests/regression_tests/mg_temperature/results_true.dat
index 19364e1d9..6de4c6bb1 100644
--- a/tests/regression_tests/mg_temperature/results_true.dat
+++ b/tests/regression_tests/mg_temperature/results_true.dat
@@ -1,40 +1,40 @@
 micro, method: nearest, t: 300.0, k-combined:
-1.439563E+00 4.526076E-04
+1.439913E+00 4.285638E-04
 kanalyt
 1.440410E+00
 micro, method: nearest, t: 600.0, k-combined:
-1.409389E+00 4.684481E-04
+1.410750E+00 4.829834E-04
 kanalyt
 1.410164E+00
 micro, method: nearest, t: 900.0, k-combined:
-1.407593E+00 4.410387E-04
+1.408232E+00 4.946310E-04
 kanalyt
 1.407830E+00
 micro, method: interpolation, t: 520.0, k-combined:
-1.418259E+00 4.242856E-04
+1.418877E+00 4.651822E-04
 kanalyt
 1.418514E+00
 micro, method: interpolation, t: 600.0, k-combined:
-1.409389E+00 4.684481E-04
+1.410750E+00 4.829834E-04
 kanalyt
 1.410164E+00
 macro, method: nearest, t: 300.0, k-combined:
-1.439563E+00 4.526076E-04
+1.439913E+00 4.285638E-04
 kanalyt
 1.440410E+00
 macro, method: nearest, t: 600.0, k-combined:
-1.409389E+00 4.684481E-04
+1.410750E+00 4.829834E-04
 kanalyt
 1.410164E+00
 macro, method: nearest, t: 900.0, k-combined:
-1.407593E+00 4.410387E-04
+1.408232E+00 4.946310E-04
 kanalyt
 1.407830E+00
 macro, method: interpolation, t: 520.0, k-combined:
-1.418259E+00 4.242856E-04
+1.418877E+00 4.651822E-04
 kanalyt
 1.418514E+00
 macro, method: interpolation, t: 600, k-combined:
-1.409389E+00 4.684481E-04
+1.410750E+00 4.829834E-04
 kanalyt
 1.410164E+00
diff --git a/tests/regression_tests/mg_temperature_multi/results_true.dat b/tests/regression_tests/mg_temperature_multi/results_true.dat
index 80c2f5622..3e2f990c8 100644
--- a/tests/regression_tests/mg_temperature_multi/results_true.dat
+++ b/tests/regression_tests/mg_temperature_multi/results_true.dat
@@ -1,8 +1,8 @@
 k-combined:
-1.337115E+00 7.221249E-03
+1.309371E+00 6.765039E-03
 tally 1:
-2.549066E+01
-1.299987E+02
+2.532303E+01
+1.282689E+02
 tally 2:
-9.276778E+01
-1.721791E+03
+9.336894E+01
+1.743765E+03
diff --git a/tests/regression_tests/mgxs_library_ce_to_mg/results_true.dat b/tests/regression_tests/mgxs_library_ce_to_mg/results_true.dat
index d95659534..7ce106314 100644
--- a/tests/regression_tests/mgxs_library_ce_to_mg/results_true.dat
+++ b/tests/regression_tests/mgxs_library_ce_to_mg/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.158563E+00 3.354681E-02
+1.152065E+00 2.768158E-02
diff --git a/tests/regression_tests/mgxs_library_ce_to_mg_nuclides/results_true.dat b/tests/regression_tests/mgxs_library_ce_to_mg_nuclides/results_true.dat
index a4e9dafcc..50c8328c8 100644
--- a/tests/regression_tests/mgxs_library_ce_to_mg_nuclides/results_true.dat
+++ b/tests/regression_tests/mgxs_library_ce_to_mg_nuclides/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-6.025533E-01 1.157401E-02
+4.139942E-01 1.181308E-02
diff --git a/tests/regression_tests/mgxs_library_condense/results_true.dat b/tests/regression_tests/mgxs_library_condense/results_true.dat
index ae5bff6e3..98b30932c 100644
--- a/tests/regression_tests/mgxs_library_condense/results_true.dat
+++ b/tests/regression_tests/mgxs_library_condense/results_true.dat
@@ -1,362 +1,362 @@
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.699306  0.028642
-2      1  2  1        1   total  0.687913  0.025966
-1      2  1  1        1   total  0.716035  0.018945
-3      2  2  1        1   total  0.702630  0.028574
+0      1  1  1        1   total  0.702881  0.026175
+2      1  2  1        1   total  0.706921  0.029169
+1      2  1  1        1   total  0.707809  0.024766
+3      2  2  1        1   total  0.717967  0.024008
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.443642  0.030984
-2      1  2  1        1   total  0.429968  0.028072
-1      2  1  1        1   total  0.461535  0.021345
-3      2  2  1        1   total  0.439454  0.031232
+0      1  1  1        1   total  0.431023  0.028803
+2      1  2  1        1   total  0.451864  0.030748
+1      2  1  1        1   total  0.456990  0.026359
+3      2  2  1        1   total  0.450621  0.026744
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.443642  0.030984
-2      1  2  1        1   total  0.429968  0.028072
-1      2  1  1        1   total  0.461535  0.021345
-3      2  2  1        1   total  0.439454  0.031232
+0      1  1  1        1   total  0.431023  0.028803
+2      1  2  1        1   total  0.451864  0.030748
+1      2  1  1        1   total  0.456990  0.026359
+3      2  2  1        1   total  0.450621  0.026744
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.021895  0.001041
-2      1  2  1        1   total  0.021903  0.001108
-1      2  1  1        1   total  0.024895  0.001401
-3      2  2  1        1   total  0.022105  0.001198
+0      1  1  1        1   total  0.022398  0.001401
+2      1  2  1        1   total  0.022325  0.001371
+1      2  1  1        1   total  0.022942  0.000990
+3      2  2  1        1   total  0.022705  0.001322
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.021883  0.001040
-2      1  2  1        1   total  0.021879  0.001108
-1      2  1  1        1   total  0.024875  0.001401
-3      2  2  1        1   total  0.022071  0.001197
+0      1  1  1        1   total  0.022394  0.001401
+2      1  2  1        1   total  0.022321  0.001371
+1      2  1  1        1   total  0.022935  0.000990
+3      2  2  1        1   total  0.022699  0.001322
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.011219  0.000958
-2      1  2  1        1   total  0.011437  0.001013
-1      2  1  1        1   total  0.012947  0.001437
-3      2  2  1        1   total  0.011756  0.001144
+0      1  1  1        1   total  0.011562  0.001544
+2      1  2  1        1   total  0.011852  0.001418
+1      2  1  1        1   total  0.012168  0.000958
+3      2  2  1        1   total  0.011986  0.001418
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.010676  0.000481
-2      1  2  1        1   total  0.010466  0.000446
-1      2  1  1        1   total  0.011948  0.000517
-3      2  2  1        1   total  0.010350  0.000547
+0      1  1  1        1   total  0.010836  0.000803
+2      1  2  1        1   total  0.010473  0.000591
+1      2  1  1        1   total  0.010774  0.000415
+3      2  2  1        1   total  0.010719  0.000688
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.026218  0.001180
-2      1  2  1        1   total  0.025724  0.001093
-1      2  1  1        1   total  0.029326  0.001262
-3      2  2  1        1   total  0.025451  0.001338
+0      1  1  1        1   total  0.026602  0.001957
+2      1  2  1        1   total  0.025695  0.001442
+1      2  1  1        1   total  0.026454  0.001015
+3      2  2  1        1   total  0.026310  0.001678
   mesh 1       group in nuclide          mean      std. dev.
        x  y  z                                              
-0      1  1  1        1   total  2.067337e+06   93152.452502
-2      1  2  1        1   total  2.026907e+06   86377.585629
-1      2  1  1        1   total  2.313358e+06   99980.823985
-3      2  2  1        1   total  2.004370e+06  105820.022073
+0      1  1  1        1   total  2.098256e+06  155243.612264
+2      1  2  1        1   total  2.027699e+06  114334.400924
+1      2  1  1        1   total  2.086255e+06   80325.567787
+3      2  2  1        1   total  2.075596e+06  133128.805680
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.677411  0.027731
-2      1  2  1        1   total  0.666009  0.025155
-1      2  1  1        1   total  0.691140  0.018119
-3      2  2  1        1   total  0.680525  0.027587
+0      1  1  1        1   total  0.680483  0.025407
+2      1  2  1        1   total  0.684597  0.028126
+1      2  1  1        1   total  0.684867  0.024133
+3      2  2  1        1   total  0.695262  0.023087
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.679832  0.030242
-2      1  2  1        1   total  0.663143  0.019259
-1      2  1  1        1   total  0.679503  0.027107
-3      2  2  1        1   total  0.681909  0.033506
+0      1  1  1        1   total  0.678017  0.026288
+2      1  2  1        1   total  0.674888  0.033989
+1      2  1  1        1   total  0.681736  0.025618
+3      2  2  1        1   total  0.683701  0.023788
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.679832  0.030426
-1       1  1  1        1         1       P1   total  0.255665  0.011704
-2       1  1  1        1         1       P2   total  0.087020  0.005603
-3       1  1  1        1         1       P3   total  0.006425  0.005919
-8       1  2  1        1         1       P0   total  0.663143  0.019088
-9       1  2  1        1         1       P1   total  0.257945  0.010887
-10      1  2  1        1         1       P2   total  0.095395  0.006988
-11      1  2  1        1         1       P3   total  0.009816  0.003950
-4       2  1  1        1         1       P0   total  0.679503  0.026695
-5       2  1  1        1         1       P1   total  0.254500  0.009901
-6       2  1  1        1         1       P2   total  0.093289  0.005481
-7       2  1  1        1         1       P3   total  0.004631  0.004081
-12      2  2  1        1         1       P0   total  0.681909  0.032740
-13      2  2  1        1         1       P1   total  0.263176  0.012659
-14      2  2  1        1         1       P2   total  0.093102  0.006603
-15      2  2  1        1         1       P3   total  0.007938  0.005673
+0       1  1  1        1         1       P0   total  0.678017  0.026290
+1       1  1  1        1         1       P1   total  0.271858  0.011693
+2       1  1  1        1         1       P2   total  0.095219  0.002950
+3       1  1  1        1         1       P3   total  0.012808  0.004686
+8       1  2  1        1         1       P0   total  0.674888  0.033578
+9       1  2  1        1         1       P1   total  0.255058  0.009912
+10      1  2  1        1         1       P2   total  0.098001  0.005459
+11      1  2  1        1         1       P3   total  0.012058  0.005439
+4       2  1  1        1         1       P0   total  0.681736  0.025439
+5       2  1  1        1         1       P1   total  0.250820  0.009035
+6       2  1  1        1         1       P2   total  0.092563  0.006549
+7       2  1  1        1         1       P3   total  0.008511  0.003905
+12      2  2  1        1         1       P0   total  0.683701  0.024254
+13      2  2  1        1         1       P1   total  0.267345  0.011695
+14      2  2  1        1         1       P2   total  0.096222  0.005551
+15      2  2  1        1         1       P3   total  0.011515  0.003236
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.679832  0.030426
-1       1  1  1        1         1       P1   total  0.255665  0.011704
-2       1  1  1        1         1       P2   total  0.087020  0.005603
-3       1  1  1        1         1       P3   total  0.006425  0.005919
-8       1  2  1        1         1       P0   total  0.663143  0.019088
-9       1  2  1        1         1       P1   total  0.257945  0.010887
-10      1  2  1        1         1       P2   total  0.095395  0.006988
-11      1  2  1        1         1       P3   total  0.009816  0.003950
-4       2  1  1        1         1       P0   total  0.679503  0.026695
-5       2  1  1        1         1       P1   total  0.254500  0.009901
-6       2  1  1        1         1       P2   total  0.093289  0.005481
-7       2  1  1        1         1       P3   total  0.004631  0.004081
-12      2  2  1        1         1       P0   total  0.681909  0.032740
-13      2  2  1        1         1       P1   total  0.263176  0.012659
-14      2  2  1        1         1       P2   total  0.093102  0.006603
-15      2  2  1        1         1       P3   total  0.007938  0.005673
+0       1  1  1        1         1       P0   total  0.678017  0.026290
+1       1  1  1        1         1       P1   total  0.271858  0.011693
+2       1  1  1        1         1       P2   total  0.095219  0.002950
+3       1  1  1        1         1       P3   total  0.012808  0.004686
+8       1  2  1        1         1       P0   total  0.674888  0.033578
+9       1  2  1        1         1       P1   total  0.255058  0.009912
+10      1  2  1        1         1       P2   total  0.098001  0.005459
+11      1  2  1        1         1       P3   total  0.012058  0.005439
+4       2  1  1        1         1       P0   total  0.681736  0.025439
+5       2  1  1        1         1       P1   total  0.250820  0.009035
+6       2  1  1        1         1       P2   total  0.092563  0.006549
+7       2  1  1        1         1       P3   total  0.008511  0.003905
+12      2  2  1        1         1       P0   total  0.683701  0.024254
+13      2  2  1        1         1       P1   total  0.267345  0.011695
+14      2  2  1        1         1       P2   total  0.096222  0.005551
+15      2  2  1        1         1       P3   total  0.011515  0.003236
   mesh 1       group in group out nuclide mean std. dev.
        x  y  z                                          
-0      1  1  1        1         1   total  1.0  0.041183
-2      1  2  1        1         1   total  1.0  0.021636
-1      2  1  1        1         1   total  1.0  0.046661
-3      2  2  1        1         1   total  1.0  0.041512
+0      1  1  1        1         1   total  1.0  0.041785
+2      1  2  1        1         1   total  1.0  0.057717
+1      2  1  1        1         1   total  1.0  0.040074
+3      2  2  1        1         1   total  1.0  0.042758
   mesh 1       group in group out nuclide      mean std. dev.
        x  y  z                                               
-0      1  1  1        1         1   total  0.027090  0.002808
-2      1  2  1        1         1   total  0.031522  0.004261
-1      2  1  1        1         1   total  0.021855  0.001457
-3      2  2  1        1         1   total  0.028262  0.002358
+0      1  1  1        1         1   total  0.028438  0.003513
+2      1  2  1        1         1   total  0.022222  0.001560
+1      2  1  1        1         1   total  0.025698  0.002756
+3      2  2  1        1         1   total  0.026501  0.002315
   mesh 1       group in group out nuclide mean std. dev.
        x  y  z                                          
-0      1  1  1        1         1   total  1.0  0.041183
-2      1  2  1        1         1   total  1.0  0.021636
-1      2  1  1        1         1   total  1.0  0.046661
-3      2  2  1        1         1   total  1.0  0.041512
+0      1  1  1        1         1   total  1.0  0.041785
+2      1  2  1        1         1   total  1.0  0.057717
+1      2  1  1        1         1   total  1.0  0.040074
+3      2  2  1        1         1   total  1.0  0.042758
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.677411  0.039336
-1       1  1  1        1         1       P1   total  0.254754  0.014995
-2       1  1  1        1         1       P2   total  0.086711  0.006439
-3       1  1  1        1         1       P3   total  0.006402  0.005903
-8       1  2  1        1         1       P0   total  0.666009  0.028990
-9       1  2  1        1         1       P1   total  0.259060  0.013824
-10      1  2  1        1         1       P2   total  0.095807  0.007684
-11      1  2  1        1         1       P3   total  0.009858  0.003980
-4       2  1  1        1         1       P0   total  0.691140  0.036991
-5       2  1  1        1         1       P1   total  0.258859  0.013782
-6       2  1  1        1         1       P2   total  0.094887  0.006555
-7       2  1  1        1         1       P3   total  0.004710  0.004154
-12      2  2  1        1         1       P0   total  0.680525  0.039486
-13      2  2  1        1         1       P1   total  0.262642  0.015259
-14      2  2  1        1         1       P2   total  0.092913  0.007251
-15      2  2  1        1         1       P3   total  0.007921  0.005668
+0       1  1  1        1         1       P0   total  0.680483  0.038131
+1       1  1  1        1         1       P1   total  0.272847  0.016111
+2       1  1  1        1         1       P2   total  0.095565  0.004869
+3       1  1  1        1         1       P3   total  0.012854  0.004731
+8       1  2  1        1         1       P0   total  0.684597  0.048501
+9       1  2  1        1         1       P1   total  0.258727  0.016473
+10      1  2  1        1         1       P2   total  0.099411  0.007470
+11      1  2  1        1         1       P3   total  0.012231  0.005552
+4       2  1  1        1         1       P0   total  0.684867  0.036546
+5       2  1  1        1         1       P1   total  0.251972  0.013220
+6       2  1  1        1         1       P2   total  0.092988  0.007474
+7       2  1  1        1         1       P3   total  0.008550  0.003936
+12      2  2  1        1         1       P0   total  0.695262  0.037640
+13      2  2  1        1         1       P1   total  0.271866  0.016280
+14      2  2  1        1         1       P2   total  0.097849  0.006919
+15      2  2  1        1         1       P3   total  0.011710  0.003325
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.677411  0.048224
-1       1  1  1        1         1       P1   total  0.254754  0.018301
-2       1  1  1        1         1       P2   total  0.086711  0.007363
-3       1  1  1        1         1       P3   total  0.006402  0.005909
-8       1  2  1        1         1       P0   total  0.666009  0.032374
-9       1  2  1        1         1       P1   total  0.259060  0.014917
-10      1  2  1        1         1       P2   total  0.095807  0.007958
-11      1  2  1        1         1       P3   total  0.009858  0.003985
-4       2  1  1        1         1       P0   total  0.691140  0.049075
-5       2  1  1        1         1       P1   total  0.258859  0.018326
-6       2  1  1        1         1       P2   total  0.094887  0.007910
-7       2  1  1        1         1       P3   total  0.004710  0.004160
-12      2  2  1        1         1       P0   total  0.680525  0.048551
-13      2  2  1        1         1       P1   total  0.262642  0.018754
-14      2  2  1        1         1       P2   total  0.092913  0.008213
-15      2  2  1        1         1       P3   total  0.007921  0.005677
+0       1  1  1        1         1       P0   total  0.680483  0.047566
+1       1  1  1        1         1       P1   total  0.272847  0.019737
+2       1  1  1        1         1       P2   total  0.095565  0.006297
+3       1  1  1        1         1       P3   total  0.012854  0.004762
+8       1  2  1        1         1       P0   total  0.684597  0.062559
+9       1  2  1        1         1       P1   total  0.258727  0.022234
+10      1  2  1        1         1       P2   total  0.099411  0.009420
+11      1  2  1        1         1       P3   total  0.012231  0.005597
+4       2  1  1        1         1       P0   total  0.684867  0.045704
+5       2  1  1        1         1       P1   total  0.251972  0.016635
+6       2  1  1        1         1       P2   total  0.092988  0.008352
+7       2  1  1        1         1       P3   total  0.008550  0.003951
+12      2  2  1        1         1       P0   total  0.695262  0.047964
+13      2  2  1        1         1       P1   total  0.271866  0.020004
+14      2  2  1        1         1       P2   total  0.097849  0.008086
+15      2  2  1        1         1       P3   total  0.011710  0.003363
   mesh 1       group out nuclide mean std. dev.
        x  y  z                                 
-0      1  1  1         1   total  1.0  0.103333
-2      1  2  1         1   total  1.0  0.118582
-1      2  1  1         1   total  1.0  0.112144
-3      2  2  1         1   total  1.0  0.130701
+0      1  1  1         1   total  1.0  0.142430
+2      1  2  1         1   total  1.0  0.112715
+1      2  1  1         1   total  1.0  0.192385
+3      2  2  1         1   total  1.0  0.109836
   mesh 1       group out nuclide mean std. dev.
        x  y  z                                 
-0      1  1  1         1   total  1.0  0.103333
-2      1  2  1         1   total  1.0  0.118582
-1      2  1  1         1   total  1.0  0.112144
-3      2  2  1         1   total  1.0  0.130701
+0      1  1  1         1   total  1.0  0.143959
+2      1  2  1         1   total  1.0  0.102504
+1      2  1  1         1   total  1.0  0.188381
+3      2  2  1         1   total  1.0  0.116230
   mesh 1       group in nuclide          mean     std. dev.
        x  y  z                                             
-0      1  1  1        1   total  5.304285e-07  2.560239e-08
-2      1  2  1        1   total  4.940321e-07  2.410417e-08
-1      2  1  1        1   total  5.587365e-07  3.382787e-08
-3      2  2  1        1   total  5.232210e-07  2.482800e-08
+0      1  1  1        1   total  5.060544e-07  3.651604e-08
+2      1  2  1        1   total  5.101988e-07  4.947639e-08
+1      2  1  1        1   total  5.206450e-07  2.814648e-08
+3      2  2  1        1   total  5.278759e-07  3.171554e-08
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.026032  0.001172
-2      1  2  1        1   total  0.025542  0.001086
-1      2  1  1        1   total  0.029121  0.001254
-3      2  2  1        1   total  0.025271  0.001329
+0      1  1  1        1   total  0.026414  0.001944
+2      1  2  1        1   total  0.025515  0.001432
+1      2  1  1        1   total  0.026267  0.001008
+3      2  2  1        1   total  0.026125  0.001667
   mesh 1       group in group out nuclide      mean std. dev.
        x  y  z                                               
-0      1  1  1        1         1   total  0.027090  0.002808
-2      1  2  1        1         1   total  0.031522  0.004261
-1      2  1  1        1         1   total  0.021855  0.001457
-3      2  2  1        1         1   total  0.028262  0.002358
+0      1  1  1        1         1   total  0.028220  0.003510
+2      1  2  1        1         1   total  0.021754  0.001519
+1      2  1  1        1         1   total  0.025487  0.002676
+3      2  2  1        1         1   total  0.026281  0.002263
    mesh 1               group in nuclide   mean std. dev.
         x  y       surf                                  
-3       1  1   x-max in        1   total  4.280  0.164469
-2       1  1  x-max out        1   total  4.250  0.107135
+3       1  1   x-max in        1   total  4.244  0.096333
+2       1  1  x-max out        1   total  4.378  0.107210
 1       1  1   x-min in        1   total  0.000  0.000000
 0       1  1  x-min out        1   total  0.000  0.000000
-7       1  1   y-max in        1   total  4.364  0.105622
-6       1  1  y-max out        1   total  4.412  0.158019
+7       1  1   y-max in        1   total  4.388  0.116508
+6       1  1  y-max out        1   total  4.284  0.129066
 5       1  1   y-min in        1   total  0.000  0.000000
 4       1  1  y-min out        1   total  0.000  0.000000
-19      1  2   x-max in        1   total  4.388  0.102470
-18      1  2  x-max out        1   total  4.428  0.140228
+19      1  2   x-max in        1   total  4.280  0.139971
+18      1  2  x-max out        1   total  4.152  0.117141
 17      1  2   x-min in        1   total  0.000  0.000000
 16      1  2  x-min out        1   total  0.000  0.000000
 23      1  2   y-max in        1   total  0.000  0.000000
 22      1  2  y-max out        1   total  0.000  0.000000
-21      1  2   y-min in        1   total  4.412  0.158019
-20      1  2  y-min out        1   total  4.364  0.105622
+21      1  2   y-min in        1   total  4.284  0.129066
+20      1  2  y-min out        1   total  4.388  0.116508
 11      2  1   x-max in        1   total  0.000  0.000000
 10      2  1  x-max out        1   total  0.000  0.000000
-9       2  1   x-min in        1   total  4.250  0.107135
-8       2  1  x-min out        1   total  4.280  0.164469
-15      2  1   y-max in        1   total  4.402  0.182565
-14      2  1  y-max out        1   total  4.346  0.148189
+9       2  1   x-min in        1   total  4.378  0.107210
+8       2  1  x-min out        1   total  4.244  0.096333
+15      2  1   y-max in        1   total  4.280  0.079070
+14      2  1  y-max out        1   total  4.416  0.093648
 13      2  1   y-min in        1   total  0.000  0.000000
 12      2  1  y-min out        1   total  0.000  0.000000
 27      2  2   x-max in        1   total  0.000  0.000000
 26      2  2  x-max out        1   total  0.000  0.000000
-25      2  2   x-min in        1   total  4.428  0.140228
-24      2  2  x-min out        1   total  4.388  0.102470
+25      2  2   x-min in        1   total  4.152  0.117141
+24      2  2  x-min out        1   total  4.280  0.139971
 31      2  2   y-max in        1   total  0.000  0.000000
 30      2  2  y-max out        1   total  0.000  0.000000
-29      2  2   y-min in        1   total  4.346  0.148189
-28      2  2  y-min out        1   total  4.402  0.182565
+29      2  2   y-min in        1   total  4.416  0.093648
+28      2  2  y-min out        1   total  4.280  0.079070
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.950616  0.095874
-2      1  2  1        1   total  0.932532  0.086323
-1      2  1  1        1   total  0.885723  0.041074
-3      2  2  1        1   total  0.951783  0.101570
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+1      2  1  1        1   total  0.911011  0.068461
+3      2  2  1        1   total  0.927611  0.066426
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.950616  0.095874
-2      1  2  1        1   total  0.932532  0.086323
-1      2  1  1        1   total  0.885723  0.041074
-3      2  2  1        1   total  0.951783  0.101570
+0      1  1  1        1   total  0.943198  0.067915
+2      1  2  1        1   total  0.895741  0.058714
+1      2  1  1        1   total  0.911011  0.068461
+3      2  2  1        1   total  0.927611  0.066426
    mesh 1       delayedgroup group in nuclide      mean     std. dev.
         x  y  z                                                      
-0       1  1  1            1        1   total  0.000006  2.679142e-07
-1       1  1  1            2        1   total  0.000032  1.417723e-06
-2       1  1  1            3        1   total  0.000031  1.376260e-06
-3       1  1  1            4        1   total  0.000072  3.185580e-06
-4       1  1  1            5        1   total  0.000032  1.433425e-06
-5       1  1  1            6        1   total  0.000013  5.956400e-07
-12      1  2  1            1        1   total  0.000006  2.486865e-07
-13      1  2  1            2        1   total  0.000031  1.323941e-06
-14      1  2  1            3        1   total  0.000030  1.292803e-06
-15      1  2  1            4        1   total  0.000071  3.032740e-06
-16      1  2  1            5        1   total  0.000031  1.426193e-06
-17      1  2  1            6        1   total  0.000013  5.903673e-07
-6       2  1  1            1        1   total  0.000007  2.871910e-07
-7       2  1  1            2        1   total  0.000035  1.501590e-06
-8       2  1  1            3        1   total  0.000034  1.448170e-06
-9       2  1  1            4        1   total  0.000079  3.318195e-06
-10      2  1  1            5        1   total  0.000035  1.465737e-06
-11      2  1  1            6        1   total  0.000015  6.097547e-07
-18      2  2  1            1        1   total  0.000006  3.042761e-07
-19      2  2  1            2        1   total  0.000031  1.603780e-06
-20      2  2  1            3        1   total  0.000030  1.553523e-06
-21      2  2  1            4        1   total  0.000070  3.583849e-06
-22      2  2  1            5        1   total  0.000031  1.602620e-06
-23      2  2  1            6        1   total  0.000013  6.662067e-07
+0       1  1  1            1        1   total  0.000006  4.453421e-07
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+8       2  1  1            3        1   total  0.000031  1.169911e-06
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+11      2  1  1            6        1   total  0.000013  4.939053e-07
+18      2  2  1            1        1   total  0.000006  3.819684e-07
+19      2  2  1            2        1   total  0.000032  1.976073e-06
+20      2  2  1            3        1   total  0.000031  1.889748e-06
+21      2  2  1            4        1   total  0.000072  4.252207e-06
+22      2  2  1            5        1   total  0.000032  1.765565e-06
+23      2  2  1            6        1   total  0.000013  7.386890e-07
    mesh 1       delayedgroup group out nuclide mean std. dev.
         x  y  z                                              
-0       1  1  1            1         1   total  0.0       0.0
-1       1  1  1            2         1   total  0.0       0.0
-2       1  1  1            3         1   total  0.0       0.0
-3       1  1  1            4         1   total  0.0       0.0
-4       1  1  1            5         1   total  0.0       0.0
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-12      1  2  1            1         1   total  0.0       0.0
-13      1  2  1            2         1   total  0.0       0.0
-14      1  2  1            3         1   total  0.0       0.0
-15      1  2  1            4         1   total  0.0       0.0
-16      1  2  1            5         1   total  0.0       0.0
-17      1  2  1            6         1   total  0.0       0.0
-6       2  1  1            1         1   total  0.0       0.0
-7       2  1  1            2         1   total  0.0       0.0
-8       2  1  1            3         1   total  0.0       0.0
-9       2  1  1            4         1   total  0.0       0.0
-10      2  1  1            5         1   total  0.0       0.0
-11      2  1  1            6         1   total  0.0       0.0
-18      2  2  1            1         1   total  0.0       0.0
-19      2  2  1            2         1   total  0.0       0.0
-20      2  2  1            3         1   total  0.0       0.0
-21      2  2  1            4         1   total  0.0       0.0
-22      2  2  1            5         1   total  0.0       0.0
-23      2  2  1            6         1   total  0.0       0.0
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+15      1  2  1            4         1   total  1.0  0.869026
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+22      2  2  1            5         1   total  0.0  0.000000
+23      2  2  1            6         1   total  0.0  0.000000
    mesh 1       delayedgroup group in nuclide      mean std. dev.
         x  y  z                                                  
-0       1  1  1            1        1   total  0.000227  0.000011
-1       1  1  1            2        1   total  0.001212  0.000058
-2       1  1  1            3        1   total  0.001180  0.000057
-3       1  1  1            4        1   total  0.002734  0.000131
-4       1  1  1            5        1   total  0.001215  0.000059
-5       1  1  1            6        1   total  0.000506  0.000024
-12      1  2  1            1        1   total  0.000227  0.000010
-13      1  2  1            2        1   total  0.001213  0.000052
-14      1  2  1            3        1   total  0.001182  0.000051
-15      1  2  1            4        1   total  0.002744  0.000120
-16      1  2  1            5        1   total  0.001223  0.000056
-17      1  2  1            6        1   total  0.000509  0.000023
-6       2  1  1            1        1   total  0.000227  0.000013
-7       2  1  1            2        1   total  0.001207  0.000067
-8       2  1  1            3        1   total  0.001173  0.000065
-9       2  1  1            4        1   total  0.002710  0.000150
-10      2  1  1            5        1   total  0.001195  0.000066
-11      2  1  1            6        1   total  0.000498  0.000027
-18      2  2  1            1        1   total  0.000227  0.000014
-19      2  2  1            2        1   total  0.001212  0.000073
-20      2  2  1            3        1   total  0.001180  0.000071
-21      2  2  1            4        1   total  0.002740  0.000163
-22      2  2  1            5        1   total  0.001221  0.000073
-23      2  2  1            6        1   total  0.000508  0.000030
+0       1  1  1            1        1   total  0.000227  0.000023
+1       1  1  1            2        1   total  0.001210  0.000119
+2       1  1  1            3        1   total  0.001176  0.000114
+3       1  1  1            4        1   total  0.002722  0.000261
+4       1  1  1            5        1   total  0.001204  0.000112
+5       1  1  1            6        1   total  0.000501  0.000047
+12      1  2  1            1        1   total  0.000227  0.000017
+13      1  2  1            2        1   total  0.001208  0.000087
+14      1  2  1            3        1   total  0.001174  0.000084
+15      1  2  1            4        1   total  0.002710  0.000192
+16      1  2  1            5        1   total  0.001194  0.000082
+17      1  2  1            6        1   total  0.000497  0.000034
+6       2  1  1            1        1   total  0.000227  0.000010
+7       2  1  1            2        1   total  0.001210  0.000053
+8       2  1  1            3        1   total  0.001177  0.000052
+9       2  1  1            4        1   total  0.002726  0.000119
+10      2  1  1            5        1   total  0.001208  0.000053
+11      2  1  1            6        1   total  0.000503  0.000022
+18      2  2  1            1        1   total  0.000227  0.000019
+19      2  2  1            2        1   total  0.001211  0.000102
+20      2  2  1            3        1   total  0.001178  0.000098
+21      2  2  1            4        1   total  0.002726  0.000223
+22      2  2  1            5        1   total  0.001207  0.000096
+23      2  2  1            6        1   total  0.000503  0.000040
    mesh 1       delayedgroup nuclide      mean std. dev.
         x  y  z                                         
-0       1  1  1            1   total  0.013354  0.000674
-1       1  1  1            2   total  0.032612  0.001720
-2       1  1  1            3   total  0.121057  0.006579
-3       1  1  1            4   total  0.305656  0.017398
-4       1  1  1            5   total  0.861000  0.053768
-5       1  1  1            6   total  2.891889  0.179407
-12      1  2  1            1   total  0.013354  0.000497
-13      1  2  1            2   total  0.032605  0.001150
-14      1  2  1            3   total  0.121071  0.004175
-15      1  2  1            4   total  0.305792  0.010484
-16      1  2  1            5   total  0.861500  0.032627
-17      1  2  1            6   total  2.893589  0.108347
-6       2  1  1            1   total  0.013352  0.000663
-7       2  1  1            2   total  0.032625  0.001570
-8       2  1  1            3   total  0.121029  0.005721
-9       2  1  1            4   total  0.305375  0.014144
-10      2  1  1            5   total  0.859955  0.039608
-11      2  1  1            6   total  2.888337  0.132844
-18      2  2  1            1   total  0.013354  0.000892
-19      2  2  1            2   total  0.032606  0.002209
-20      2  2  1            3   total  0.121069  0.008302
-21      2  2  1            4   total  0.305776  0.021416
-22      2  2  1            5   total  0.861442  0.063571
-23      2  2  1            6   total  2.893392  0.212640
-   mesh 1       delayedgroup group in group out nuclide mean std. dev.
-        x  y  z                                                       
-0       1  1  1            1        1         1   total  0.0       0.0
-1       1  1  1            2        1         1   total  0.0       0.0
-2       1  1  1            3        1         1   total  0.0       0.0
-3       1  1  1            4        1         1   total  0.0       0.0
-4       1  1  1            5        1         1   total  0.0       0.0
-5       1  1  1            6        1         1   total  0.0       0.0
-12      1  2  1            1        1         1   total  0.0       0.0
-13      1  2  1            2        1         1   total  0.0       0.0
-14      1  2  1            3        1         1   total  0.0       0.0
-15      1  2  1            4        1         1   total  0.0       0.0
-16      1  2  1            5        1         1   total  0.0       0.0
-17      1  2  1            6        1         1   total  0.0       0.0
-6       2  1  1            1        1         1   total  0.0       0.0
-7       2  1  1            2        1         1   total  0.0       0.0
-8       2  1  1            3        1         1   total  0.0       0.0
-9       2  1  1            4        1         1   total  0.0       0.0
-10      2  1  1            5        1         1   total  0.0       0.0
-11      2  1  1            6        1         1   total  0.0       0.0
-18      2  2  1            1        1         1   total  0.0       0.0
-19      2  2  1            2        1         1   total  0.0       0.0
-20      2  2  1            3        1         1   total  0.0       0.0
-21      2  2  1            4        1         1   total  0.0       0.0
-22      2  2  1            5        1         1   total  0.0       0.0
-23      2  2  1            6        1         1   total  0.0       0.0
+0       1  1  1            1   total  0.013353  0.001345
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+4       1  1  1            5   total  0.860433  0.064665
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+12      1  2  1            1   total  0.013352  0.001049
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+17      1  2  1            6   total  2.888034  0.184436
+6       2  1  1            1   total  0.013353  0.000612
+7       2  1  1            2   total  0.032616  0.001412
+8       2  1  1            3   total  0.121047  0.005039
+9       2  1  1            4   total  0.305559  0.012002
+10      2  1  1            5   total  0.860640  0.030707
+11      2  1  1            6   total  2.890664  0.103692
+18      2  2  1            1   total  0.013353  0.001132
+19      2  2  1            2   total  0.032617  0.002633
+20      2  2  1            3   total  0.121046  0.009426
+21      2  2  1            4   total  0.305545  0.022417
+22      2  2  1            5   total  0.860588  0.055030
+23      2  2  1            6   total  2.890489  0.186821
+   mesh 1       delayedgroup group in group out nuclide      mean std. dev.
+        x  y  z                                                            
+0       1  1  1            1        1         1   total  0.000000  0.000000
+1       1  1  1            2        1         1   total  0.000000  0.000000
+2       1  1  1            3        1         1   total  0.000000  0.000000
+3       1  1  1            4        1         1   total  0.000219  0.000219
+4       1  1  1            5        1         1   total  0.000000  0.000000
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+9       2  1  1            4        1         1   total  0.000211  0.000211
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+22      2  2  1            5        1         1   total  0.000000  0.000000
+23      2  2  1            6        1         1   total  0.000000  0.000000
diff --git a/tests/regression_tests/mgxs_library_correction/results_true.dat b/tests/regression_tests/mgxs_library_correction/results_true.dat
index ff4bd9746..b6aaad044 100644
--- a/tests/regression_tests/mgxs_library_correction/results_true.dat
+++ b/tests/regression_tests/mgxs_library_correction/results_true.dat
@@ -1,60 +1,60 @@
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.342252   0.023795
-2         1         1          2   total  0.000695   0.000327
+3         1         1          1   total  0.353477   0.019952
+2         1         1          2   total  0.000522   0.000349
 1         1         2          1   total  0.000000   0.000000
-0         1         2          2   total  0.388426   0.020840
+0         1         2          2   total  0.414134   0.029955
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.342252   0.023795
-2         1         1          2   total  0.000695   0.000327
+3         1         1          1   total  0.353477   0.019952
+2         1         1          2   total  0.000522   0.000349
 1         1         2          1   total  0.000000   0.000000
-0         1         2          2   total  0.388426   0.020840
+0         1         2          2   total  0.414134   0.029955
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.343021   0.031016
-2         1         1          2   total  0.000697   0.000329
+3         1         1          1   total  0.356124   0.026110
+2         1         1          2   total  0.000526   0.000352
 1         1         2          1   total  0.000000   0.000000
-0         1         2          2   total  0.376544   0.025156
+0         1         2          2   total  0.413622   0.044755
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.343021   0.039761
-2         1         1          2   total  0.000697   0.000566
+3         1         1          1   total  0.356124   0.033873
+2         1         1          2   total  0.000526   0.000608
 1         1         2          1   total  0.000000   0.000000
-0         1         2          2   total  0.376544   0.032140
+0         1         2          2   total  0.413622   0.054899
    material  group in  group out nuclide      mean  std. dev.
-3         2         1          1   total  0.271174   0.022374
+3         2         1          1   total  0.261901   0.016456
 2         2         1          2   total  0.000000   0.000000
 1         2         2          1   total  0.000000   0.000000
-0         2         2          2   total  0.295401   0.032831
+0         2         2          2   total  0.322376   0.044195
    material  group in  group out nuclide      mean  std. dev.
-3         2         1          1   total  0.271174   0.022374
+3         2         1          1   total  0.261901   0.016456
 2         2         1          2   total  0.000000   0.000000
 1         2         2          1   total  0.000000   0.000000
-0         2         2          2   total  0.295401   0.032831
+0         2         2          2   total  0.322376   0.044195
    material  group in  group out nuclide      mean  std. dev.
-3         2         1          1   total  0.264654   0.028288
+3         2         1          1   total  0.266612   0.021169
 2         2         1          2   total  0.000000   0.000000
 1         2         2          1   total  0.000000   0.000000
-0         2         2          2   total  0.295178   0.032530
+0         2         2          2   total  0.321966   0.054140
    material  group in  group out nuclide      mean  std. dev.
-3         2         1          1   total  0.264654   0.036081
+3         2         1          1   total  0.266612   0.025384
 2         2         1          2   total  0.000000   0.000000
 1         2         2          1   total  0.000000   0.000000
-0         2         2          2   total  0.295178   0.044676
+0         2         2          2   total  0.321966   0.068014
    material  group in  group out nuclide      mean  std. dev.
-3         3         1          1   total  0.257831   0.014436
-2         3         1          2   total  0.030826   0.000973
-1         3         2          1   total  0.000467   0.000467
-0         3         2          2   total  1.443057   0.119909
+3         3         1          1   total  0.259426   0.012116
+2         3         1          2   total  0.031650   0.000613
+1         3         2          1   total  0.000474   0.000475
+0         3         2          2   total  1.416407   0.162435
    material  group in  group out nuclide      mean  std. dev.
-3         3         1          1   total  0.257831   0.014436
-2         3         1          2   total  0.030826   0.000973
-1         3         2          1   total  0.000467   0.000467
-0         3         2          2   total  1.443057   0.119909
+3         3         1          1   total  0.259426   0.012116
+2         3         1          2   total  0.031650   0.000613
+1         3         2          1   total  0.000474   0.000475
+0         3         2          2   total  1.416407   0.162435
    material  group in  group out nuclide      mean  std. dev.
-3         3         1          1   total  0.267025   0.029512
-2         3         1          2   total  0.031268   0.001416
-1         3         2          1   total  0.000466   0.000467
-0         3         2          2   total  1.440250   0.164573
+3         3         1          1   total  0.266083   0.024503
+2         3         1          2   total  0.031973   0.001157
+1         3         2          1   total  0.000477   0.000480
+0         3         2          2   total  1.427932   0.269812
    material  group in  group out nuclide      mean  std. dev.
-3         3         1          1   total  0.267025   0.032860
-2         3         1          2   total  0.031268   0.001768
-1         3         2          1   total  0.000466   0.000808
-0         3         2          2   total  1.440250   0.212183
+3         3         1          1   total  0.266083   0.027910
+2         3         1          2   total  0.031973   0.001391
+1         3         2          1   total  0.000477   0.000827
+0         3         2          2   total  1.427932   0.328026
diff --git a/tests/regression_tests/mgxs_library_distribcell/results_true.dat b/tests/regression_tests/mgxs_library_distribcell/results_true.dat
index ef7cb2b96..127df75c1 100644
--- a/tests/regression_tests/mgxs_library_distribcell/results_true.dat
+++ b/tests/regression_tests/mgxs_library_distribcell/results_true.dat
@@ -1,97 +1,97 @@
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.455527   0.009851
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.459656   0.010039
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.409242   0.011118
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide     mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.40929   0.011119
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.416327    0.01121
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.066934   0.002424
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.416327    0.01121
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.066764   0.002423
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.070545   0.002486
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.028358   0.002669
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.070348   0.002485
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.038576   0.001526
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.029374   0.002719
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.094817   0.003725
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.041172   0.001562
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide      mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.101218   0.003812
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide          mean      std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  7.470225e+06  295170.385185
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  7.972654e+06  302079.851251
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide     mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.38911    0.00831
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.388593   0.008156
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.388874   0.013889
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.394876   0.014019
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in  group out legendre nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.388711   0.013887
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.046285   0.005155
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.023632   0.003772
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.006997   0.003207
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.394876   0.014019
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.043329   0.004988
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.027490   0.003974
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.016004   0.003232
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in  group out legendre nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.388874   0.013889
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.046237   0.005156
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.023571   0.003775
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.007058   0.003207
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total  1.000418   0.036246
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total  0.092139   0.005956
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.394876   0.014019
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.043329   0.004988
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.027490   0.003974
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.016004   0.003232
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in  group out nuclide  mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total   1.0   0.036242
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out legendre nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.388593   0.016275
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.046271   0.005251
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.023624   0.003806
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.006995   0.003209
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out legendre nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.388755   0.021528
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.046290   0.005515
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.023634   0.003903
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.006998   0.003221
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group out nuclide  mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)          1   total   1.0   0.084366
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group out nuclide  mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)          1   total   1.0   0.084331
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide          mean     std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  5.253873e-07  2.168462e-08
-                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.094147   0.003701
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total   1.0   0.036306
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in  group out nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total  0.091593   0.005919
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total  0.097856   0.006191
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out nuclide  mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total   1.0   0.036306
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out legendre nuclide      mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.389110   0.016390
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.042696   0.005009
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.027088   0.003964
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.015770   0.003204
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out legendre nuclide      mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P0   total  0.389110   0.021638
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P1   total  0.042696   0.005244
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P2   total  0.027088   0.004084
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1       P3   total  0.015770   0.003255
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group out nuclide  mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)          1   total   1.0   0.082469
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group out nuclide  mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)          1   total   1.0   0.082587
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide          mean     std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  5.626624e-07  2.235532e-08
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.814514   0.022129
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.100506   0.003787
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in  group out nuclide      mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1          1   total  0.097658   0.006185
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.814419   0.022125
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.800653   0.021558
+                                                                                                                                                                                                                                                                                                                                                                                                 sum(distribcell)  group in nuclide      mean  std. dev.
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)         1   total  0.800653   0.021558
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  delayedgroup  group in nuclide      mean     std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1         1   total  0.000021  8.473275e-07
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2         1   total  0.000115  4.405467e-06
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3         1   total  0.000112  4.225826e-06
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4         1   total  0.000259  9.559952e-06
-4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5         1   total  0.000115  4.025369e-06
-5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6         1   total  0.000048  1.682226e-06
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1         1   total  0.000023  8.667436e-07
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2         1   total  0.000122  4.499059e-06
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3         1   total  0.000119  4.311220e-06
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4         1   total  0.000275  9.735290e-06
+4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5         1   total  0.000122  4.078954e-06
+5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6         1   total  0.000051  1.705327e-06
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  delayedgroup  group out nuclide  mean  std. dev.
 0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1          1   total   0.0   0.000000
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2          1   total   0.0   0.000000
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3          1   total   1.0   1.000002
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4          1   total   1.0   1.414214
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2          1   total   1.0   1.414214
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3          1   total   0.0   0.000000
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4          1   total   0.0   0.000000
 4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5          1   total   0.0   0.000000
 5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6          1   total   0.0   0.000000
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  delayedgroup  group in nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1         1   total  0.000227   0.000012
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2         1   total  0.001210   0.000062
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3         1   total  0.001177   0.000060
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4         1   total  0.002728   0.000136
-4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5         1   total  0.001211   0.000059
-5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6         1   total  0.000504   0.000025
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1         1   total  0.000227   0.000011
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2         1   total  0.001208   0.000059
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3         1   total  0.001175   0.000056
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4         1   total  0.002721   0.000129
+4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5         1   total  0.001206   0.000055
+5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6         1   total  0.000502   0.000023
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  delayedgroup nuclide      mean  std. dev.
-0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1   total  0.013353   0.000692
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2   total  0.032613   0.001644
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3   total  0.121054   0.005983
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4   total  0.305630   0.014645
-4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5   total  0.860903   0.038693
-5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6   total  2.891558   0.130564
+0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1   total  0.013353   0.000658
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2   total  0.032616   0.001562
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3   total  0.121048   0.005678
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4   total  0.305568   0.013868
+4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5   total  0.860675   0.036434
+5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6   total  2.890786   0.122997
                                                                                                                                                                                                                                                                                                                                                                                                  sum(distribcell)  delayedgroup  group in  group out nuclide      mean  std. dev.
 0  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             1         1          1   total  0.000000   0.000000
-1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2         1          1   total  0.000000   0.000000
-2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3         1          1   total  0.000362   0.000256
-3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4         1          1   total  0.000185   0.000185
+1  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             2         1          1   total  0.000198   0.000198
+2  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             3         1          1   total  0.000000   0.000000
+3  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             4         1          1   total  0.000000   0.000000
 4  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             5         1          1   total  0.000000   0.000000
 5  ((0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, ...),)             6         1          1   total  0.000000   0.000000
diff --git a/tests/regression_tests/mgxs_library_hdf5/results_true.dat b/tests/regression_tests/mgxs_library_hdf5/results_true.dat
index b2ef8eae9..14d7371fe 100644
--- a/tests/regression_tests/mgxs_library_hdf5/results_true.dat
+++ b/tests/regression_tests/mgxs_library_hdf5/results_true.dat
@@ -1,201 +1,201 @@
 domain=1 type=total
-[5.52629207e-01 1.46792426e+00]
-[2.73983948e-02 9.30468557e-02]
+[5.66580451e-01 1.44262943e+00]
+[1.96770003e-02 1.46112369e-01]
 domain=1 type=transport
-[3.09650231e-01 1.14528468e+00]
-[2.96126059e-02 1.01957125e-01]
+[3.14856281e-01 1.05346368e+00]
+[2.15203447e-02 1.60562179e-01]
 domain=1 type=nu-transport
-[3.09650231e-01 1.14528468e+00]
-[2.96126059e-02 1.01957125e-01]
+[3.14856281e-01 1.05346368e+00]
+[2.15203447e-02 1.60562179e-01]
 domain=1 type=absorption
-[7.90251362e-03 9.52195503e-02]
-[7.77996866e-04 5.32017792e-03]
+[8.63921263e-03 9.70718967e-02]
+[7.09849180e-04 9.96697703e-03]
 domain=1 type=reduced absorption
-[7.88836875e-03 9.52195503e-02]
-[7.77877367e-04 5.32017792e-03]
+[8.63459183e-03 9.70718967e-02]
+[7.09826160e-04 9.96697703e-03]
 domain=1 type=capture
-[5.66271991e-03 4.03380329e-02]
-[7.65494411e-04 4.41129849e-03]
+[6.29732743e-03 4.01344183e-02]
+[7.03181817e-04 9.43458504e-03]
 domain=1 type=fission
-[2.23979371e-03 5.48815174e-02]
-[1.44808204e-04 3.21965557e-03]
+[2.34188519e-03 5.69374784e-02]
+[1.04006997e-04 6.19904834e-03]
 domain=1 type=nu-fission
-[5.70078167e-03 1.33729794e-01]
-[3.71908758e-04 7.84533474e-03]
+[5.93985124e-03 1.38739554e-01]
+[2.57215008e-04 1.51052211e-02]
 domain=1 type=kappa-fission
-[4.36283087e+05 1.06143820e+07]
-[2.81939099e+04 6.22698786e+05]
+[4.55876276e+05 1.10120160e+07]
+[2.00450394e+04 1.19892945e+06]
 domain=1 type=scatter
-[5.44726693e-01 1.37270471e+00]
-[2.67443307e-02 8.86578418e-02]
+[5.57941239e-01 1.34555753e+00]
+[1.96103602e-02 1.38008873e-01]
 domain=1 type=nu-scatter
-[5.46058885e-01 1.38608802e+00]
-[2.72733439e-02 9.59957737e-02]
+[5.53883536e-01 1.40126963e+00]
+[1.89917740e-02 1.62647765e-01]
 domain=1 type=scatter matrix
-[[[5.25081070e-01 2.42978975e-01 9.65459393e-02 8.62265123e-03]
-  [2.09778151e-02 5.67750504e-03 -1.86093418e-03 -1.63034937e-03]]
+[[[5.35878034e-01 2.51724170e-01 1.01011269e-01 1.03439439e-02]
+  [1.80055019e-02 5.80562809e-03 -1.57470166e-03 -2.27320020e-03]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [1.38608802e+00 2.92665071e-01 4.65545679e-02 3.43129413e-03]]]
-[[[2.68584158e-02 1.12354079e-02 5.95151250e-03 5.08213314e-03]
-  [1.69810442e-03 1.03379654e-03 3.35798077e-04 8.28775769e-04]]
+  [1.40126963e+00 3.55339640e-01 7.06453615e-02 4.04065595e-02]]]
+[[[1.86010787e-02 8.71440749e-03 3.01351835e-03 5.22968320e-03]
+  [1.36795874e-03 6.67372701e-04 3.26122899e-04 8.68935369e-04]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [9.59957737e-02 3.98634629e-02 1.79245433e-02 2.53788407e-02]]]
+  [1.62647765e-01 6.23420543e-02 9.61788834e-03 8.80966610e-03]]]
 domain=1 type=nu-scatter matrix
-[[[5.25081070e-01 2.42978975e-01 9.65459393e-02 8.62265123e-03]
-  [2.09778151e-02 5.67750504e-03 -1.86093418e-03 -1.63034937e-03]]
+[[[5.35878034e-01 2.51724170e-01 1.01011269e-01 1.03439439e-02]
+  [1.80055019e-02 5.80562809e-03 -1.57470166e-03 -2.27320020e-03]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [1.38608802e+00 2.92665071e-01 4.65545679e-02 3.43129413e-03]]]
-[[[2.68584158e-02 1.12354079e-02 5.95151250e-03 5.08213314e-03]
-  [1.69810442e-03 1.03379654e-03 3.35798077e-04 8.28775769e-04]]
+  [1.40126963e+00 3.55339640e-01 7.06453615e-02 4.04065595e-02]]]
+[[[1.86010787e-02 8.71440749e-03 3.01351835e-03 5.22968320e-03]
+  [1.36795874e-03 6.67372701e-04 3.26122899e-04 8.68935369e-04]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [9.59957737e-02 3.98634629e-02 1.79245433e-02 2.53788407e-02]]]
+  [1.62647765e-01 6.23420543e-02 9.61788834e-03 8.80966610e-03]]]
 domain=1 type=multiplicity matrix
 [[1.00000000e+00 1.00000000e+00]
  [0.00000000e+00 1.00000000e+00]]
-[[4.49973217e-02 9.94834121e-02]
- [0.00000000e+00 8.90267353e-02]]
+[[3.27047397e-02 1.01015254e-01]
+ [0.00000000e+00 1.16966513e-01]]
 domain=1 type=nu-fission matrix
-[[6.79725552e-03 0.00000000e+00]
- [1.34226308e-01 0.00000000e+00]]
-[[1.39232734e-03 0.00000000e+00]
- [1.55126210e-02 0.00000000e+00]]
+[[7.11392182e-03 0.00000000e+00]
+ [1.52683850e-01 0.00000000e+00]]
+[[1.05605314e-03 0.00000000e+00]
+ [2.58713491e-02 0.00000000e+00]]
 domain=1 type=scatter probability matrix
-[[9.61583236e-01 3.84167637e-02]
+[[9.67492260e-01 3.25077399e-02]
  [0.00000000e+00 1.00000000e+00]]
-[[4.25251594e-02 2.94881301e-03]
- [0.00000000e+00 8.90267353e-02]]
+[[3.12124830e-02 2.43439942e-03]
+ [0.00000000e+00 1.16966513e-01]]
 domain=1 type=consistent scatter matrix
-[[[5.23800056e-01 2.42386192e-01 9.63104011e-02 8.60161499e-03]
-  [2.09266366e-02 5.66365392e-03 -1.85639416e-03 -1.62637189e-03]]
+[[[5.39803830e-01 2.53568280e-01 1.01751269e-01 1.04197228e-02]
+  [1.81374087e-02 5.84815962e-03 -1.58623779e-03 -2.28985347e-03]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [1.37270471e+00 2.89839256e-01 4.61050623e-02 3.39816342e-03]]]
-[[[3.46115177e-02 1.51137129e-02 7.17487890e-03 5.08248710e-03]
-  [1.90677851e-03 1.05813829e-03 3.43862086e-04 8.29548315e-04]]
+  [1.34555753e+00 3.41211940e-01 6.78366221e-02 3.88000634e-02]]]
+[[[2.57534994e-02 1.20804286e-02 4.50621873e-03 5.27902298e-03]
+  [1.50041314e-03 6.98980912e-04 3.32589287e-04 8.78503928e-04]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [1.50979688e-01 4.66032426e-02 1.81833349e-02 2.51354735e-02]]]
+  [2.09324012e-01 6.95175402e-02 1.16044952e-02 9.36549883e-03]]]
 domain=1 type=consistent nu-scatter matrix
-[[[5.23800056e-01 2.42386192e-01 9.63104011e-02 8.60161499e-03]
-  [2.09266366e-02 5.66365392e-03 -1.85639416e-03 -1.62637189e-03]]
+[[[5.39803830e-01 2.53568280e-01 1.01751269e-01 1.04197228e-02]
+  [1.81374087e-02 5.84815962e-03 -1.58623779e-03 -2.28985347e-03]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [1.37270471e+00 2.89839256e-01 4.61050623e-02 3.39816342e-03]]]
-[[[4.18746126e-02 1.86381616e-02 8.38211969e-03 5.09720340e-03]
-  [2.82310416e-03 1.19879975e-03 3.90317811e-04 8.45179676e-04]]
+  [1.34555753e+00 3.41211940e-01 6.78366221e-02 3.88000634e-02]]]
+[[[3.12235732e-02 1.46529414e-02 5.60177820e-03 5.29001047e-03]
+  [2.36812824e-03 9.15185125e-04 3.69175618e-04 9.08445666e-04]]
 
  [[0.00000000e+00 0.00000000e+00 0.00000000e+00 0.00000000e+00]
-  [1.94240879e-01 5.32698778e-02 1.86408495e-02 2.51372940e-02]]]
+  [2.61890501e-01 8.01593794e-02 1.40578233e-02 1.04071518e-02]]]
 domain=1 type=chi
 [1.00000000e+00 0.00000000e+00]
-[1.03333203e-01 0.00000000e+00]
+[1.42429813e-01 0.00000000e+00]
 domain=1 type=chi-prompt
 [1.00000000e+00 0.00000000e+00]
-[1.03333203e-01 0.00000000e+00]
+[1.43958515e-01 0.00000000e+00]
 domain=1 type=inverse-velocity
-[5.72461488e-08 3.00999757e-06]
-[2.80644407e-09 1.80993426e-07]
+[6.05275939e-08 2.92408191e-06]
+[4.98534008e-09 2.95326306e-07]
 domain=1 type=prompt-nu-fission
-[5.64594959e-03 1.32859920e-01]
-[3.68364598e-04 7.79430310e-03]
+[5.88433433e-03 1.37837093e-01]
+[2.56012352e-04 1.50069660e-02]
 domain=1 type=prompt-nu-fission matrix
-[[6.79725552e-03 0.00000000e+00]
- [1.34226308e-01 0.00000000e+00]]
-[[1.39232734e-03 0.00000000e+00]
- [1.55126210e-02 0.00000000e+00]]
+[[7.11392182e-03 0.00000000e+00]
+ [1.51190909e-01 0.00000000e+00]]
+[[1.05605314e-03 0.00000000e+00]
+ [2.57973847e-02 0.00000000e+00]]
 domain=1 type=current
-[[[0.00000000e+00 0.00000000e+00 3.54200000e+00 3.59000000e+00
-   0.00000000e+00 0.00000000e+00 3.73400000e+00 3.69000000e+00]
-  [0.00000000e+00 0.00000000e+00 7.08000000e-01 6.90000000e-01
-   0.00000000e+00 0.00000000e+00 6.78000000e-01 6.74000000e-01]]
+[[[0.00000000e+00 0.00000000e+00 3.71800000e+00 3.58600000e+00
+   0.00000000e+00 0.00000000e+00 3.62200000e+00 3.71800000e+00]
+  [0.00000000e+00 0.00000000e+00 6.60000000e-01 6.58000000e-01
+   0.00000000e+00 0.00000000e+00 6.62000000e-01 6.70000000e-01]]
 
- [[3.59000000e+00 3.54200000e+00 0.00000000e+00 0.00000000e+00
-   0.00000000e+00 0.00000000e+00 3.65200000e+00 3.73800000e+00]
-  [6.90000000e-01 7.08000000e-01 0.00000000e+00 0.00000000e+00
-   0.00000000e+00 0.00000000e+00 6.94000000e-01 6.64000000e-01]]
+ [[3.58600000e+00 3.71800000e+00 0.00000000e+00 0.00000000e+00
+   0.00000000e+00 0.00000000e+00 3.71200000e+00 3.60600000e+00]
+  [6.58000000e-01 6.60000000e-01 0.00000000e+00 0.00000000e+00
+   0.00000000e+00 0.00000000e+00 7.04000000e-01 6.74000000e-01]]
 
- [[0.00000000e+00 0.00000000e+00 3.76000000e+00 3.66600000e+00
-   3.69000000e+00 3.73400000e+00 0.00000000e+00 0.00000000e+00]
-  [0.00000000e+00 0.00000000e+00 6.68000000e-01 7.22000000e-01
-   6.74000000e-01 6.78000000e-01 0.00000000e+00 0.00000000e+00]]
+ [[0.00000000e+00 0.00000000e+00 3.48600000e+00 3.60600000e+00
+   3.71800000e+00 3.62200000e+00 0.00000000e+00 0.00000000e+00]
+  [0.00000000e+00 0.00000000e+00 6.66000000e-01 6.74000000e-01
+   6.70000000e-01 6.62000000e-01 0.00000000e+00 0.00000000e+00]]
 
- [[3.66600000e+00 3.76000000e+00 0.00000000e+00 0.00000000e+00
-   3.73800000e+00 3.65200000e+00 0.00000000e+00 0.00000000e+00]
-  [7.22000000e-01 6.68000000e-01 0.00000000e+00 0.00000000e+00
-   6.64000000e-01 6.94000000e-01 0.00000000e+00 0.00000000e+00]]]
-[[[0.00000000e+00 0.00000000e+00 1.04230514e-01 1.61183126e-01
-   0.00000000e+00 0.00000000e+00 1.50419414e-01 1.00498756e-01]
-  [0.00000000e+00 0.00000000e+00 2.47790234e-02 3.27108545e-02
-   0.00000000e+00 0.00000000e+00 4.84148737e-02 3.24961536e-02]]
+ [[3.60600000e+00 3.48600000e+00 0.00000000e+00 0.00000000e+00
+   3.60600000e+00 3.71200000e+00 0.00000000e+00 0.00000000e+00]
+  [6.74000000e-01 6.66000000e-01 0.00000000e+00 0.00000000e+00
+   6.74000000e-01 7.04000000e-01 0.00000000e+00 0.00000000e+00]]]
+[[[0.00000000e+00 0.00000000e+00 9.96192752e-02 8.73269718e-02
+   0.00000000e+00 0.00000000e+00 1.22531629e-01 1.08369737e-01]
+  [0.00000000e+00 0.00000000e+00 3.96232255e-02 4.06693988e-02
+   0.00000000e+00 0.00000000e+00 4.05462699e-02 4.27784993e-02]]
 
- [[1.61183126e-01 1.04230514e-01 0.00000000e+00 0.00000000e+00
-   0.00000000e+00 0.00000000e+00 1.44201248e-01 1.81229137e-01]
-  [3.27108545e-02 2.47790234e-02 0.00000000e+00 0.00000000e+00
-   0.00000000e+00 0.00000000e+00 3.41467422e-02 2.20454077e-02]]
+ [[8.73269718e-02 9.96192752e-02 0.00000000e+00 0.00000000e+00
+   0.00000000e+00 0.00000000e+00 7.09506871e-02 5.27825729e-02]
+  [4.06693988e-02 3.96232255e-02 0.00000000e+00 0.00000000e+00
+   0.00000000e+00 0.00000000e+00 6.11228272e-02 5.88727441e-02]]
 
- [[0.00000000e+00 0.00000000e+00 1.39355660e-01 9.70875893e-02
-   1.00498756e-01 1.50419414e-01 0.00000000e+00 0.00000000e+00]
-  [0.00000000e+00 0.00000000e+00 1.56204994e-02 3.27719392e-02
-   3.24961536e-02 4.84148737e-02 0.00000000e+00 0.00000000e+00]]
+ [[0.00000000e+00 0.00000000e+00 1.00279609e-01 1.31209756e-01
+   1.08369737e-01 1.22531629e-01 0.00000000e+00 0.00000000e+00]
+  [0.00000000e+00 0.00000000e+00 6.05475020e-02 4.87442304e-02
+   4.27784993e-02 4.05462699e-02 0.00000000e+00 0.00000000e+00]]
 
- [[9.70875893e-02 1.39355660e-01 0.00000000e+00 0.00000000e+00
-   1.81229137e-01 1.44201248e-01 0.00000000e+00 0.00000000e+00]
-  [3.27719392e-02 1.56204994e-02 0.00000000e+00 0.00000000e+00
-   2.20454077e-02 3.41467422e-02 0.00000000e+00 0.00000000e+00]]]
+ [[1.31209756e-01 1.00279609e-01 0.00000000e+00 0.00000000e+00
+   5.27825729e-02 7.09506871e-02 0.00000000e+00 0.00000000e+00]
+  [4.87442304e-02 6.05475020e-02 0.00000000e+00 0.00000000e+00
+   5.88727441e-02 6.11228272e-02 0.00000000e+00 0.00000000e+00]]]
 domain=1 type=diffusion-coefficient
-[1.07648340e+00 2.91048451e-01]
-[1.02946730e-01 2.59101197e-02]
+[1.05868408e+00 3.16416542e-01]
+[7.23607812e-02 4.82261806e-02]
 domain=1 type=nu-diffusion-coefficient
-[1.07648340e+00 2.91048451e-01]
-[1.02946730e-01 2.59101197e-02]
+[1.05868408e+00 3.16416542e-01]
+[7.23607812e-02 4.82261806e-02]
 domain=1 type=delayed-nu-fission
-[[1.27862358e-06 3.04521075e-05]
- [7.84219053e-06 1.57184471e-04]
- [8.19703020e-06 1.50062017e-04]
- [2.11585246e-05 3.36451683e-04]
- [1.15983232e-05 1.37940708e-04]
- [4.75823112e-06 5.77828684e-05]]
-[[8.24665595e-08 1.78649023e-06]
- [5.11270396e-07 9.22131636e-06]
- [5.43215007e-07 8.80347339e-06]
- [1.44919046e-06 1.97381285e-05]
- [8.56858673e-07 8.09236929e-06]
- [3.49663884e-07 3.38986452e-06]]
+[[1.33370452e-06 3.15928985e-05]
+ [8.06563789e-06 1.63072885e-04]
+ [8.37555675e-06 1.55683610e-04]
+ [2.14225848e-05 3.49055766e-04]
+ [1.15633419e-05 1.43108212e-04]
+ [4.74849054e-06 5.99475175e-05]]
+[[5.58190638e-08 3.43966581e-06]
+ [2.80924725e-07 1.77545031e-05]
+ [2.81900859e-07 1.69499982e-05]
+ [7.44207592e-07 3.80033227e-05]
+ [4.95821820e-07 1.55808550e-05]
+ [2.00315983e-07 6.52676436e-06]]
 domain=1 type=chi-delayed
 [[0.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]
- [0.00000000e+00 0.00000000e+00]
+ [1.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]]
 [[0.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]
- [0.00000000e+00 0.00000000e+00]
+ [1.41421356e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]
  [0.00000000e+00 0.00000000e+00]]
 domain=1 type=beta
-[[2.24289169e-04 2.27713711e-04]
- [1.37563425e-03 1.17538857e-03]
- [1.43787829e-03 1.12212853e-03]
- [3.71151288e-03 2.51590669e-03]
- [2.03451453e-03 1.03148823e-03]
- [8.34662928e-04 4.32086724e-04]]
-[[1.75760869e-05 1.28957660e-05]
- [1.08591736e-04 6.65640010e-05]
- [1.14785004e-04 6.35478047e-05]
- [3.03169937e-04 1.42479528e-04]
- [1.75476030e-04 5.84147049e-05]
- [7.17094876e-05 2.44697107e-05]]
+[[2.24535003e-04 2.27713710e-04]
+ [1.35788550e-03 1.17538857e-03]
+ [1.41006170e-03 1.12212852e-03]
+ [3.60658609e-03 2.51590665e-03]
+ [1.94673931e-03 1.03148820e-03]
+ [7.99429201e-04 4.32086711e-04]]
+[[1.15072629e-05 2.77827007e-05]
+ [6.20475481e-05 1.43405806e-04]
+ [6.31808205e-05 1.36907698e-04]
+ [1.64551758e-04 3.06958585e-04]
+ [1.01406915e-04 1.25848924e-04]
+ [4.11875799e-05 5.27176635e-05]]
 domain=1 type=decay-rate
-[1.33535692e-02 3.26115957e-02 1.21057117e-01 3.05655911e-01
- 8.60999995e-01 2.89188863e+00]
-[6.74373067e-04 1.71978136e-03 6.57917554e-03 1.73982053e-02
- 5.37683207e-02 1.79407115e-01]
+[1.33525569e-02 3.26187089e-02 1.21041926e-01 3.05503129e-01
+ 8.60433350e-01 2.88996258e+00]
+[1.34484408e-03 3.11955840e-03 1.11418058e-02 2.64184722e-02
+ 6.46651447e-02 2.19526509e-01]
 domain=1 type=delayed-nu-fission matrix
 [[[0.00000000e+00 0.00000000e+00]
   [0.00000000e+00 0.00000000e+00]]
@@ -207,7 +207,7 @@ domain=1 type=delayed-nu-fission matrix
   [0.00000000e+00 0.00000000e+00]]
 
  [[0.00000000e+00 0.00000000e+00]
-  [0.00000000e+00 0.00000000e+00]]
+  [1.49294023e-03 0.00000000e+00]]
 
  [[0.00000000e+00 0.00000000e+00]
   [0.00000000e+00 0.00000000e+00]]
@@ -224,7 +224,7 @@ domain=1 type=delayed-nu-fission matrix
   [0.00000000e+00 0.00000000e+00]]
 
  [[0.00000000e+00 0.00000000e+00]
-  [0.00000000e+00 0.00000000e+00]]
+  [1.49788268e-03 0.00000000e+00]]
 
  [[0.00000000e+00 0.00000000e+00]
   [0.00000000e+00 0.00000000e+00]]
diff --git a/tests/regression_tests/mgxs_library_histogram/results_true.dat b/tests/regression_tests/mgxs_library_histogram/results_true.dat
index 2fa94cef5..f927d057e 100644
--- a/tests/regression_tests/mgxs_library_histogram/results_true.dat
+++ b/tests/regression_tests/mgxs_library_histogram/results_true.dat
@@ -1,18 +1,18 @@
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         1         1          1       1   total  0.032861   0.003703
-34         1         1          1       2   total  0.026428   0.003637
-35         1         1          1       3   total  0.029210   0.001648
-36         1         1          1       4   total  0.032513   0.004770
-37         1         1          1       5   total  0.030949   0.003129
-38         1         1          1       6   total  0.027124   0.004029
-39         1         1          1       7   total  0.030079   0.002186
-40         1         1          1       8   total  0.037034   0.002198
-41         1         1          1       9   total  0.038251   0.003825
-42         1         1          1      10   total  0.039294   0.003626
-43         1         1          1      11   total  0.062593   0.005934
-22         1         1          2       1   total  0.000000   0.000000
-23         1         1          2       2   total  0.000174   0.000174
-24         1         1          2       3   total  0.000348   0.000213
+33         1         1          1       1   total  0.029945   0.003043
+34         1         1          1       2   total  0.028378   0.003793
+35         1         1          1       3   total  0.033079   0.002866
+36         1         1          1       4   total  0.030119   0.002259
+37         1         1          1       5   total  0.033601   0.003739
+38         1         1          1       6   total  0.035516   0.001929
+39         1         1          1       7   total  0.032382   0.001744
+40         1         1          1       8   total  0.031860   0.002565
+41         1         1          1       9   total  0.038302   0.004757
+42         1         1          1      10   total  0.041784   0.003047
+43         1         1          1      11   total  0.057453   0.003686
+22         1         1          2       1   total  0.000174   0.000174
+23         1         1          2       2   total  0.000000   0.000000
+24         1         1          2       3   total  0.000174   0.000174
 25         1         1          2       4   total  0.000174   0.000174
 26         1         1          2       5   total  0.000000   0.000000
 27         1         1          2       6   total  0.000000   0.000000
@@ -32,32 +32,32 @@
 19         1         2          1       9   total  0.000000   0.000000
 20         1         2          1      10   total  0.000000   0.000000
 21         1         2          1      11   total  0.000000   0.000000
-0          1         2          2       1   total  0.032383   0.006826
-1          1         2          2       2   total  0.037146   0.001158
-2          1         2          2       3   total  0.036193   0.004463
-3          1         2          2       4   total  0.036193   0.007028
-4          1         2          2       5   total  0.038098   0.006769
-5          1         2          2       6   total  0.024764   0.004638
-6          1         2          2       7   total  0.034288   0.008049
-7          1         2          2       8   total  0.040003   0.007350
-8          1         2          2       9   total  0.032383   0.003211
-9          1         2          2      10   total  0.050480   0.005824
-10         1         2          2      11   total  0.045718   0.013291
+0          1         2          2       1   total  0.037212   0.004892
+1          1         2          2       2   total  0.039224   0.003682
+2          1         2          2       3   total  0.044253   0.005869
+3          1         2          2       4   total  0.043247   0.004970
+4          1         2          2       5   total  0.025144   0.006632
+5          1         2          2       6   total  0.037212   0.009199
+6          1         2          2       7   total  0.035201   0.008964
+7          1         2          2       8   total  0.041235   0.009733
+8          1         2          2       9   total  0.032184   0.002384
+9          1         2          2      10   total  0.026149   0.006714
+10         1         2          2      11   total  0.035201   0.008073
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         1         1          1       1   total  0.032861   0.003703
-34         1         1          1       2   total  0.026428   0.003637
-35         1         1          1       3   total  0.029210   0.001648
-36         1         1          1       4   total  0.032513   0.004770
-37         1         1          1       5   total  0.030949   0.003129
-38         1         1          1       6   total  0.027124   0.004029
-39         1         1          1       7   total  0.030079   0.002186
-40         1         1          1       8   total  0.037034   0.002198
-41         1         1          1       9   total  0.038251   0.003825
-42         1         1          1      10   total  0.039294   0.003626
-43         1         1          1      11   total  0.062593   0.005934
-22         1         1          2       1   total  0.000000   0.000000
-23         1         1          2       2   total  0.000174   0.000174
-24         1         1          2       3   total  0.000348   0.000213
+33         1         1          1       1   total  0.029945   0.003043
+34         1         1          1       2   total  0.028378   0.003793
+35         1         1          1       3   total  0.033079   0.002866
+36         1         1          1       4   total  0.030119   0.002259
+37         1         1          1       5   total  0.033601   0.003739
+38         1         1          1       6   total  0.035516   0.001929
+39         1         1          1       7   total  0.032382   0.001744
+40         1         1          1       8   total  0.031860   0.002565
+41         1         1          1       9   total  0.038302   0.004757
+42         1         1          1      10   total  0.041784   0.003047
+43         1         1          1      11   total  0.057453   0.003686
+22         1         1          2       1   total  0.000174   0.000174
+23         1         1          2       2   total  0.000000   0.000000
+24         1         1          2       3   total  0.000174   0.000174
 25         1         1          2       4   total  0.000174   0.000174
 26         1         1          2       5   total  0.000000   0.000000
 27         1         1          2       6   total  0.000000   0.000000
@@ -77,33 +77,33 @@
 19         1         2          1       9   total  0.000000   0.000000
 20         1         2          1      10   total  0.000000   0.000000
 21         1         2          1      11   total  0.000000   0.000000
-0          1         2          2       1   total  0.032383   0.006826
-1          1         2          2       2   total  0.037146   0.001158
-2          1         2          2       3   total  0.036193   0.004463
-3          1         2          2       4   total  0.036193   0.007028
-4          1         2          2       5   total  0.038098   0.006769
-5          1         2          2       6   total  0.024764   0.004638
-6          1         2          2       7   total  0.034288   0.008049
-7          1         2          2       8   total  0.040003   0.007350
-8          1         2          2       9   total  0.032383   0.003211
-9          1         2          2      10   total  0.050480   0.005824
-10         1         2          2      11   total  0.045718   0.013291
+0          1         2          2       1   total  0.037212   0.004892
+1          1         2          2       2   total  0.039224   0.003682
+2          1         2          2       3   total  0.044253   0.005869
+3          1         2          2       4   total  0.043247   0.004970
+4          1         2          2       5   total  0.025144   0.006632
+5          1         2          2       6   total  0.037212   0.009199
+6          1         2          2       7   total  0.035201   0.008964
+7          1         2          2       8   total  0.041235   0.009733
+8          1         2          2       9   total  0.032184   0.002384
+9          1         2          2      10   total  0.026149   0.006714
+10         1         2          2      11   total  0.035201   0.008073
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         1         1          1       1   total  0.032927   0.003848
-34         1         1          1       2   total  0.026481   0.003736
-35         1         1          1       3   total  0.029268   0.001884
-36         1         1          1       4   total  0.032578   0.004885
-37         1         1          1       5   total  0.031010   0.003280
-38         1         1          1       6   total  0.027177   0.004124
-39         1         1          1       7   total  0.030139   0.002382
-40         1         1          1       8   total  0.037108   0.002485
-41         1         1          1       9   total  0.038327   0.004013
-42         1         1          1      10   total  0.039372   0.003833
-43         1         1          1      11   total  0.062717   0.006256
-22         1         1          2       1   total  0.000000   0.000000
-23         1         1          2       2   total  0.000174   0.000174
-24         1         1          2       3   total  0.000348   0.000214
-25         1         1          2       4   total  0.000174   0.000174
+33         1         1          1       1   total  0.030147   0.003165
+34         1         1          1       2   total  0.028570   0.003893
+35         1         1          1       3   total  0.033302   0.003016
+36         1         1          1       4   total  0.030322   0.002411
+37         1         1          1       5   total  0.033828   0.003868
+38         1         1          1       6   total  0.035756   0.002159
+39         1         1          1       7   total  0.032601   0.001955
+40         1         1          1       8   total  0.032075   0.002718
+41         1         1          1       9   total  0.038560   0.004896
+42         1         1          1      10   total  0.042066   0.003262
+43         1         1          1      11   total  0.057840   0.004013
+22         1         1          2       1   total  0.000175   0.000175
+23         1         1          2       2   total  0.000000   0.000000
+24         1         1          2       3   total  0.000175   0.000175
+25         1         1          2       4   total  0.000175   0.000175
 26         1         1          2       5   total  0.000000   0.000000
 27         1         1          2       6   total  0.000000   0.000000
 28         1         1          2       7   total  0.000000   0.000000
@@ -122,33 +122,33 @@
 19         1         2          1       9   total  0.000000   0.000000
 20         1         2          1      10   total  0.000000   0.000000
 21         1         2          1      11   total  0.000000   0.000000
-0          1         2          2       1   total  0.031440   0.006860
-1          1         2          2       2   total  0.036063   0.002322
-2          1         2          2       3   total  0.035138   0.004763
-3          1         2          2       4   total  0.035138   0.007105
-4          1         2          2       5   total  0.036988   0.006894
-5          1         2          2       6   total  0.024042   0.004702
-6          1         2          2       7   total  0.033289   0.008036
-7          1         2          2       8   total  0.038837   0.007464
-8          1         2          2       9   total  0.031440   0.003585
-9          1         2          2      10   total  0.049009   0.006292
-10         1         2          2      11   total  0.044385   0.013144
+0          1         2          2       1   total  0.037164   0.005797
+1          1         2          2       2   total  0.039173   0.004933
+2          1         2          2       3   total  0.044195   0.006937
+3          1         2          2       4   total  0.043191   0.006147
+4          1         2          2       5   total  0.025111   0.006951
+5          1         2          2       6   total  0.037164   0.009702
+6          1         2          2       7   total  0.035155   0.009426
+7          1         2          2       8   total  0.041182   0.010317
+8          1         2          2       9   total  0.032142   0.003598
+9          1         2          2      10   total  0.026115   0.007055
+10         1         2          2      11   total  0.035155   0.008586
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         1         1          1       1   total  0.032927   0.004236
-34         1         1          1       2   total  0.026481   0.003998
-35         1         1          1       3   total  0.029268   0.002455
-36         1         1          1       4   total  0.032578   0.005190
-37         1         1          1       5   total  0.031010   0.003679
-38         1         1          1       6   total  0.027177   0.004376
-39         1         1          1       7   total  0.030139   0.002881
-40         1         1          1       8   total  0.037108   0.003187
-41         1         1          1       9   total  0.038327   0.004511
-42         1         1          1      10   total  0.039372   0.004379
-43         1         1          1      11   total  0.062717   0.007108
-22         1         1          2       1   total  0.000000   0.000000
-23         1         1          2       2   total  0.000174   0.000209
-24         1         1          2       3   total  0.000348   0.000315
-25         1         1          2       4   total  0.000174   0.000209
+33         1         1          1       1   total  0.030147   0.003454
+34         1         1          1       2   total  0.028570   0.004107
+35         1         1          1       3   total  0.033302   0.003381
+36         1         1          1       4   total  0.030322   0.002783
+37         1         1          1       5   total  0.033828   0.004168
+38         1         1          1       6   total  0.035756   0.002711
+39         1         1          1       7   total  0.032601   0.002461
+40         1         1          1       8   total  0.032075   0.003090
+41         1         1          1       9   total  0.038560   0.005205
+42         1         1          1      10   total  0.042066   0.003790
+43         1         1          1      11   total  0.057840   0.004811
+22         1         1          2       1   total  0.000175   0.000234
+23         1         1          2       2   total  0.000000   0.000000
+24         1         1          2       3   total  0.000175   0.000234
+25         1         1          2       4   total  0.000175   0.000234
 26         1         1          2       5   total  0.000000   0.000000
 27         1         1          2       6   total  0.000000   0.000000
 28         1         1          2       7   total  0.000000   0.000000
@@ -167,29 +167,29 @@
 19         1         2          1       9   total  0.000000   0.000000
 20         1         2          1      10   total  0.000000   0.000000
 21         1         2          1      11   total  0.000000   0.000000
-0          1         2          2       1   total  0.031440   0.007170
-1          1         2          2       2   total  0.036063   0.003334
-2          1         2          2       3   total  0.035138   0.005303
-3          1         2          2       4   total  0.035138   0.007478
-4          1         2          2       5   total  0.036988   0.007318
-5          1         2          2       6   total  0.024042   0.004965
-6          1         2          2       7   total  0.033289   0.008334
-7          1         2          2       8   total  0.038837   0.007896
-8          1         2          2       9   total  0.031440   0.004148
-9          1         2          2      10   total  0.049009   0.007083
-10         1         2          2      11   total  0.044385   0.013469
+0          1         2          2       1   total  0.037164   0.006511
+1          1         2          2       2   total  0.039173   0.005840
+2          1         2          2       3   total  0.044195   0.007782
+3          1         2          2       4   total  0.043191   0.007047
+4          1         2          2       5   total  0.025111   0.007234
+5          1         2          2       6   total  0.037164   0.010146
+6          1         2          2       7   total  0.035155   0.009835
+7          1         2          2       8   total  0.041182   0.010828
+8          1         2          2       9   total  0.032142   0.004419
+9          1         2          2      10   total  0.026115   0.007356
+10         1         2          2      11   total  0.035155   0.009032
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         2         1          1       1   total  0.026798   0.002892
-34         2         1          1       2   total  0.021339   0.003475
-35         2         1          1       3   total  0.021835   0.003963
-36         2         1          1       4   total  0.018361   0.006133
-37         2         1          1       5   total  0.023820   0.003932
-38         2         1          1       6   total  0.025805   0.003808
-39         2         1          1       7   total  0.026798   0.002299
-40         2         1          1       8   total  0.029279   0.003939
-41         2         1          1       9   total  0.034738   0.004323
-42         2         1          1      10   total  0.032753   0.006086
-43         2         1          1      11   total  0.057069   0.003798
+33         2         1          1       1   total  0.025373   0.004281
+34         2         1          1       2   total  0.023909   0.004395
+35         2         1          1       3   total  0.019518   0.003911
+36         2         1          1       4   total  0.019518   0.003424
+37         2         1          1       5   total  0.020006   0.002901
+38         2         1          1       6   total  0.024885   0.005801
+39         2         1          1       7   total  0.019030   0.002566
+40         2         1          1       8   total  0.030741   0.001410
+41         2         1          1       9   total  0.034156   0.002902
+42         2         1          1      10   total  0.042939   0.004498
+43         2         1          1      11   total  0.054650   0.003865
 22         2         1          2       1   total  0.000000   0.000000
 23         2         1          2       2   total  0.000000   0.000000
 24         2         1          2       3   total  0.000000   0.000000
@@ -212,29 +212,29 @@
 19         2         2          1       9   total  0.000000   0.000000
 20         2         2          1      10   total  0.000000   0.000000
 21         2         2          1      11   total  0.000000   0.000000
-0          2         2          2       1   total  0.032254   0.009449
-1          2         2          2       2   total  0.018815   0.005569
-2          2         2          2       3   total  0.032254   0.009449
-3          2         2          2       4   total  0.024191   0.006844
-4          2         2          2       5   total  0.013439   0.008563
-5          2         2          2       6   total  0.024191   0.005365
-6          2         2          2       7   total  0.043005   0.010420
-7          2         2          2       8   total  0.032254   0.012710
-8          2         2          2       9   total  0.034942   0.007365
-9          2         2          2      10   total  0.021503   0.007051
-10         2         2          2      11   total  0.018815   0.008193
+0          2         2          2       1   total  0.026892   0.012233
+1          2         2          2       2   total  0.034959   0.007449
+2          2         2          2       3   total  0.040337   0.009144
+3          2         2          2       4   total  0.021513   0.003750
+4          2         2          2       5   total  0.018824   0.005602
+5          2         2          2       6   total  0.026892   0.004806
+6          2         2          2       7   total  0.037648   0.012716
+7          2         2          2       8   total  0.026892   0.009768
+8          2         2          2       9   total  0.024202   0.005420
+9          2         2          2      10   total  0.018824   0.010183
+10         2         2          2      11   total  0.018824   0.007033
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         2         1          1       1   total  0.026798   0.002892
-34         2         1          1       2   total  0.021339   0.003475
-35         2         1          1       3   total  0.021835   0.003963
-36         2         1          1       4   total  0.018361   0.006133
-37         2         1          1       5   total  0.023820   0.003932
-38         2         1          1       6   total  0.025805   0.003808
-39         2         1          1       7   total  0.026798   0.002299
-40         2         1          1       8   total  0.029279   0.003939
-41         2         1          1       9   total  0.034738   0.004323
-42         2         1          1      10   total  0.032753   0.006086
-43         2         1          1      11   total  0.057069   0.003798
+33         2         1          1       1   total  0.025373   0.004281
+34         2         1          1       2   total  0.023909   0.004395
+35         2         1          1       3   total  0.019518   0.003911
+36         2         1          1       4   total  0.019518   0.003424
+37         2         1          1       5   total  0.020006   0.002901
+38         2         1          1       6   total  0.024885   0.005801
+39         2         1          1       7   total  0.019030   0.002566
+40         2         1          1       8   total  0.030741   0.001410
+41         2         1          1       9   total  0.034156   0.002902
+42         2         1          1      10   total  0.042939   0.004498
+43         2         1          1      11   total  0.054650   0.003865
 22         2         1          2       1   total  0.000000   0.000000
 23         2         1          2       2   total  0.000000   0.000000
 24         2         1          2       3   total  0.000000   0.000000
@@ -257,29 +257,29 @@
 19         2         2          1       9   total  0.000000   0.000000
 20         2         2          1      10   total  0.000000   0.000000
 21         2         2          1      11   total  0.000000   0.000000
-0          2         2          2       1   total  0.032254   0.009449
-1          2         2          2       2   total  0.018815   0.005569
-2          2         2          2       3   total  0.032254   0.009449
-3          2         2          2       4   total  0.024191   0.006844
-4          2         2          2       5   total  0.013439   0.008563
-5          2         2          2       6   total  0.024191   0.005365
-6          2         2          2       7   total  0.043005   0.010420
-7          2         2          2       8   total  0.032254   0.012710
-8          2         2          2       9   total  0.034942   0.007365
-9          2         2          2      10   total  0.021503   0.007051
-10         2         2          2      11   total  0.018815   0.008193
+0          2         2          2       1   total  0.026892   0.012233
+1          2         2          2       2   total  0.034959   0.007449
+2          2         2          2       3   total  0.040337   0.009144
+3          2         2          2       4   total  0.021513   0.003750
+4          2         2          2       5   total  0.018824   0.005602
+5          2         2          2       6   total  0.026892   0.004806
+6          2         2          2       7   total  0.037648   0.012716
+7          2         2          2       8   total  0.026892   0.009768
+8          2         2          2       9   total  0.024202   0.005420
+9          2         2          2      10   total  0.018824   0.010183
+10         2         2          2      11   total  0.018824   0.007033
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         2         1          1       1   total  0.026249   0.003012
-34         2         1          1       2   total  0.020902   0.003500
-35         2         1          1       3   total  0.021388   0.003971
-36         2         1          1       4   total  0.017986   0.006048
-37         2         1          1       5   total  0.023333   0.003958
-38         2         1          1       6   total  0.025277   0.003858
-39         2         1          1       7   total  0.026249   0.002473
-40         2         1          1       8   total  0.028680   0.004017
-41         2         1          1       9   total  0.034027   0.004437
-42         2         1          1      10   total  0.032082   0.006091
-43         2         1          1      11   total  0.055901   0.004311
+33         2         1          1       1   total  0.025753   0.004484
+34         2         1          1       2   total  0.024267   0.004581
+35         2         1          1       3   total  0.019810   0.004060
+36         2         1          1       4   total  0.019810   0.003579
+37         2         1          1       5   total  0.020305   0.003071
+38         2         1          1       6   total  0.025258   0.005987
+39         2         1          1       7   total  0.019315   0.002734
+40         2         1          1       8   total  0.031201   0.001961
+41         2         1          1       9   total  0.034668   0.003301
+42         2         1          1      10   total  0.043582   0.004935
+43         2         1          1      11   total  0.055468   0.004591
 22         2         1          2       1   total  0.000000   0.000000
 23         2         1          2       2   total  0.000000   0.000000
 24         2         1          2       3   total  0.000000   0.000000
@@ -302,29 +302,29 @@
 19         2         2          1       9   total  0.000000   0.000000
 20         2         2          1      10   total  0.000000   0.000000
 21         2         2          1      11   total  0.000000   0.000000
-0          2         2          2       1   total  0.032230   0.009604
-1          2         2          2       2   total  0.018801   0.005658
-2          2         2          2       3   total  0.032230   0.009604
-3          2         2          2       4   total  0.024172   0.006964
-4          2         2          2       5   total  0.013429   0.008588
-5          2         2          2       6   total  0.024172   0.005520
-6          2         2          2       7   total  0.042973   0.010671
-7          2         2          2       8   total  0.032230   0.012821
-8          2         2          2       9   total  0.034915   0.007601
-9          2         2          2      10   total  0.021486   0.007142
-10         2         2          2      11   total  0.018801   0.008251
+0          2         2          2       1   total  0.026854   0.012543
+1          2         2          2       2   total  0.034911   0.008307
+2          2         2          2       3   total  0.040281   0.010079
+3          2         2          2       4   total  0.021483   0.004382
+4          2         2          2       5   total  0.018798   0.005938
+5          2         2          2       6   total  0.026854   0.005579
+6          2         2          2       7   total  0.037596   0.013308
+7          2         2          2       8   total  0.026854   0.010161
+8          2         2          2       9   total  0.024169   0.005987
+9          2         2          2      10   total  0.018798   0.010362
+10         2         2          2      11   total  0.018798   0.007300
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         2         1          1       1   total  0.026249   0.003460
-34         2         1          1       2   total  0.020902   0.003754
-35         2         1          1       3   total  0.021388   0.004206
-36         2         1          1       4   total  0.017986   0.006160
-37         2         1          1       5   total  0.023333   0.004238
-38         2         1          1       6   total  0.025277   0.004192
-39         2         1          1       7   total  0.026249   0.003003
-40         2         1          1       8   total  0.028680   0.004427
-41         2         1          1       9   total  0.034027   0.004956
-42         2         1          1      10   total  0.032082   0.006437
-43         2         1          1      11   total  0.055901   0.005636
+33         2         1          1       1   total  0.025753   0.004661
+34         2         1          1       2   total  0.024267   0.004736
+35         2         1          1       3   total  0.019810   0.004177
+36         2         1          1       4   total  0.019810   0.003711
+37         2         1          1       5   total  0.020305   0.003231
+38         2         1          1       6   total  0.025258   0.006117
+39         2         1          1       7   total  0.019315   0.002897
+40         2         1          1       8   total  0.031201   0.002497
+41         2         1          1       9   total  0.034668   0.003721
+42         2         1          1      10   total  0.043582   0.005386
+43         2         1          1      11   total  0.055468   0.005350
 22         2         1          2       1   total  0.000000   0.000000
 23         2         1          2       2   total  0.000000   0.000000
 24         2         1          2       3   total  0.000000   0.000000
@@ -347,40 +347,40 @@
 19         2         2          1       9   total  0.000000   0.000000
 20         2         2          1      10   total  0.000000   0.000000
 21         2         2          1      11   total  0.000000   0.000000
-0          2         2          2       1   total  0.032230   0.010330
-1          2         2          2       2   total  0.018801   0.006077
-2          2         2          2       3   total  0.032230   0.010330
-3          2         2          2       4   total  0.024172   0.007526
-4          2         2          2       5   total  0.013429   0.008733
-5          2         2          2       6   total  0.024172   0.006213
-6          2         2          2       7   total  0.042973   0.011815
-7          2         2          2       8   total  0.032230   0.013373
-8          2         2          2       9   total  0.034915   0.008646
-9          2         2          2      10   total  0.021486   0.007579
-10         2         2          2      11   total  0.018801   0.008544
+0          2         2          2       1   total  0.026854   0.013054
+1          2         2          2       2   total  0.034911   0.009546
+2          2         2          2       3   total  0.040281   0.011446
+3          2         2          2       4   total  0.021483   0.005251
+4          2         2          2       5   total  0.018798   0.006456
+5          2         2          2       6   total  0.026854   0.006649
+6          2         2          2       7   total  0.037596   0.014239
+7          2         2          2       8   total  0.026854   0.010785
+8          2         2          2       9   total  0.024169   0.006815
+9          2         2          2      10   total  0.018798   0.010667
+10         2         2          2      11   total  0.018798   0.007727
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         3         1          1       1   total  0.007006   0.000692
-34         3         1          1       2   total  0.006819   0.000431
-35         3         1          1       3   total  0.005511   0.000591
-36         3         1          1       4   total  0.006165   0.000470
-37         3         1          1       5   total  0.007660   0.000919
-38         3         1          1       6   total  0.012237   0.000938
-39         3         1          1       7   total  0.040914   0.002235
-40         3         1          1       8   total  0.074356   0.001968
-41         3         1          1       9   total  0.121622   0.004662
-42         3         1          1      10   total  0.158707   0.004147
-43         3         1          1      11   total  0.200742   0.007791
-22         3         1          2       1   total  0.000187   0.000187
-23         3         1          2       2   total  0.001028   0.000096
-24         3         1          2       3   total  0.000841   0.000176
-25         3         1          2       4   total  0.000841   0.000310
-26         3         1          2       5   total  0.001308   0.000274
-27         3         1          2       6   total  0.003736   0.000538
-28         3         1          2       7   total  0.003830   0.000703
-29         3         1          2       8   total  0.006259   0.000452
-30         3         1          2       9   total  0.005231   0.000510
-31         3         1          2      10   total  0.005044   0.000440
-32         3         1          2      11   total  0.002522   0.000194
+33         3         1          1       1   total  0.007681   0.001043
+34         3         1          1       2   total  0.005645   0.000710
+35         3         1          1       3   total  0.007403   0.000552
+36         3         1          1       4   total  0.007866   0.000512
+37         3         1          1       5   total  0.007589   0.000524
+38         3         1          1       6   total  0.011198   0.001548
+39         3         1          1       7   total  0.039701   0.002533
+40         3         1          1       8   total  0.075978   0.001897
+41         3         1          1       9   total  0.112532   0.003677
+42         3         1          1      10   total  0.166670   0.005003
+43         3         1          1      11   total  0.210443   0.005656
+22         3         1          2       1   total  0.000463   0.000207
+23         3         1          2       2   total  0.000555   0.000227
+24         3         1          2       3   total  0.000740   0.000429
+25         3         1          2       4   total  0.001111   0.000236
+26         3         1          2       5   total  0.002128   0.000631
+27         3         1          2       6   total  0.003146   0.000645
+28         3         1          2       7   total  0.004905   0.000561
+29         3         1          2       8   total  0.005738   0.000742
+30         3         1          2       9   total  0.005090   0.000672
+31         3         1          2      10   total  0.005367   0.000561
+32         3         1          2      11   total  0.002406   0.000593
 11         3         2          1       1   total  0.000000   0.000000
 12         3         2          1       2   total  0.000000   0.000000
 13         3         2          1       3   total  0.000000   0.000000
@@ -390,42 +390,42 @@
 17         3         2          1       7   total  0.000000   0.000000
 18         3         2          1       8   total  0.000000   0.000000
 19         3         2          1       9   total  0.000000   0.000000
-20         3         2          1      10   total  0.000467   0.000467
-21         3         2          1      11   total  0.000000   0.000000
-0          3         2          2       1   total  0.084030   0.007630
-1          3         2          2       2   total  0.099902   0.010027
-2          3         2          2       3   total  0.112040   0.010928
-3          3         2          2       4   total  0.117642   0.008523
-4          3         2          2       5   total  0.139116   0.009002
-5          3         2          2       6   total  0.161057   0.013537
-6          3         2          2       7   total  0.180664   0.010135
-7          3         2          2       8   total  0.219411   0.014717
-8          3         2          2       9   total  0.239485   0.027005
-9          3         2          2      10   total  0.281033   0.021376
-10         3         2          2      11   total  0.369731   0.027200
+20         3         2          1      10   total  0.000000   0.000000
+21         3         2          1      11   total  0.000474   0.000475
+0          3         2          2       1   total  0.074402   0.007811
+1          3         2          2       2   total  0.103783   0.009042
+2          3         2          2       3   total  0.106153   0.012691
+3          3         2          2       4   total  0.115631   0.011475
+4          3         2          2       5   total  0.128900   0.014096
+5          3         2          2       6   total  0.169655   0.021010
+6          3         2          2       7   total  0.175816   0.016086
+7          3         2          2       8   total  0.217519   0.029631
+8          3         2          2       9   total  0.247374   0.021476
+9          3         2          2      10   total  0.299977   0.031756
+10         3         2          2      11   total  0.351157   0.027654
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         3         1          1       1   total  0.007006   0.000692
-34         3         1          1       2   total  0.006819   0.000431
-35         3         1          1       3   total  0.005511   0.000591
-36         3         1          1       4   total  0.006165   0.000470
-37         3         1          1       5   total  0.007660   0.000919
-38         3         1          1       6   total  0.012237   0.000938
-39         3         1          1       7   total  0.040914   0.002235
-40         3         1          1       8   total  0.074356   0.001968
-41         3         1          1       9   total  0.121622   0.004662
-42         3         1          1      10   total  0.158707   0.004147
-43         3         1          1      11   total  0.200742   0.007791
-22         3         1          2       1   total  0.000187   0.000187
-23         3         1          2       2   total  0.001028   0.000096
-24         3         1          2       3   total  0.000841   0.000176
-25         3         1          2       4   total  0.000841   0.000310
-26         3         1          2       5   total  0.001308   0.000274
-27         3         1          2       6   total  0.003736   0.000538
-28         3         1          2       7   total  0.003830   0.000703
-29         3         1          2       8   total  0.006259   0.000452
-30         3         1          2       9   total  0.005231   0.000510
-31         3         1          2      10   total  0.005044   0.000440
-32         3         1          2      11   total  0.002522   0.000194
+33         3         1          1       1   total  0.007681   0.001043
+34         3         1          1       2   total  0.005645   0.000710
+35         3         1          1       3   total  0.007403   0.000552
+36         3         1          1       4   total  0.007866   0.000512
+37         3         1          1       5   total  0.007589   0.000524
+38         3         1          1       6   total  0.011198   0.001548
+39         3         1          1       7   total  0.039701   0.002533
+40         3         1          1       8   total  0.075978   0.001897
+41         3         1          1       9   total  0.112532   0.003677
+42         3         1          1      10   total  0.166670   0.005003
+43         3         1          1      11   total  0.210443   0.005656
+22         3         1          2       1   total  0.000463   0.000207
+23         3         1          2       2   total  0.000555   0.000227
+24         3         1          2       3   total  0.000740   0.000429
+25         3         1          2       4   total  0.001111   0.000236
+26         3         1          2       5   total  0.002128   0.000631
+27         3         1          2       6   total  0.003146   0.000645
+28         3         1          2       7   total  0.004905   0.000561
+29         3         1          2       8   total  0.005738   0.000742
+30         3         1          2       9   total  0.005090   0.000672
+31         3         1          2      10   total  0.005367   0.000561
+32         3         1          2      11   total  0.002406   0.000593
 11         3         2          1       1   total  0.000000   0.000000
 12         3         2          1       2   total  0.000000   0.000000
 13         3         2          1       3   total  0.000000   0.000000
@@ -435,42 +435,42 @@
 17         3         2          1       7   total  0.000000   0.000000
 18         3         2          1       8   total  0.000000   0.000000
 19         3         2          1       9   total  0.000000   0.000000
-20         3         2          1      10   total  0.000467   0.000467
-21         3         2          1      11   total  0.000000   0.000000
-0          3         2          2       1   total  0.084030   0.007630
-1          3         2          2       2   total  0.099902   0.010027
-2          3         2          2       3   total  0.112040   0.010928
-3          3         2          2       4   total  0.117642   0.008523
-4          3         2          2       5   total  0.139116   0.009002
-5          3         2          2       6   total  0.161057   0.013537
-6          3         2          2       7   total  0.180664   0.010135
-7          3         2          2       8   total  0.219411   0.014717
-8          3         2          2       9   total  0.239485   0.027005
-9          3         2          2      10   total  0.281033   0.021376
-10         3         2          2      11   total  0.369731   0.027200
+20         3         2          1      10   total  0.000000   0.000000
+21         3         2          1      11   total  0.000474   0.000475
+0          3         2          2       1   total  0.074402   0.007811
+1          3         2          2       2   total  0.103783   0.009042
+2          3         2          2       3   total  0.106153   0.012691
+3          3         2          2       4   total  0.115631   0.011475
+4          3         2          2       5   total  0.128900   0.014096
+5          3         2          2       6   total  0.169655   0.021010
+6          3         2          2       7   total  0.175816   0.016086
+7          3         2          2       8   total  0.217519   0.029631
+8          3         2          2       9   total  0.247374   0.021476
+9          3         2          2      10   total  0.299977   0.031756
+10         3         2          2      11   total  0.351157   0.027654
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         3         1          1       1   total  0.007106   0.000737
-34         3         1          1       2   total  0.006917   0.000488
-35         3         1          1       3   total  0.005590   0.000624
-36         3         1          1       4   total  0.006254   0.000516
-37         3         1          1       5   total  0.007770   0.000964
-38         3         1          1       6   total  0.012412   0.001029
-39         3         1          1       7   total  0.041501   0.002618
-40         3         1          1       8   total  0.075421   0.003106
-41         3         1          1       9   total  0.123365   0.006125
-42         3         1          1      10   total  0.160981   0.006595
-43         3         1          1      11   total  0.203618   0.010185
-22         3         1          2       1   total  0.000190   0.000190
-23         3         1          2       2   total  0.001042   0.000103
-24         3         1          2       3   total  0.000853   0.000180
-25         3         1          2       4   total  0.000853   0.000316
-26         3         1          2       5   total  0.001327   0.000281
-27         3         1          2       6   total  0.003790   0.000559
-28         3         1          2       7   total  0.003885   0.000724
-29         3         1          2       8   total  0.006348   0.000500
-30         3         1          2       9   total  0.005306   0.000544
-31         3         1          2      10   total  0.005117   0.000475
-32         3         1          2      11   total  0.002558   0.000213
+33         3         1          1       1   total  0.007759   0.001080
+34         3         1          1       2   total  0.005703   0.000738
+35         3         1          1       3   total  0.007479   0.000602
+36         3         1          1       4   total  0.007946   0.000571
+37         3         1          1       5   total  0.007666   0.000578
+38         3         1          1       6   total  0.011312   0.001601
+39         3         1          1       7   total  0.040106   0.002833
+40         3         1          1       8   total  0.076753   0.003016
+41         3         1          1       9   total  0.113680   0.005068
+42         3         1          1      10   total  0.168370   0.007185
+43         3         1          1      11   total  0.212589   0.008616
+22         3         1          2       1   total  0.000467   0.000210
+23         3         1          2       2   total  0.000561   0.000230
+24         3         1          2       3   total  0.000748   0.000434
+25         3         1          2       4   total  0.001122   0.000241
+26         3         1          2       5   total  0.002150   0.000641
+27         3         1          2       6   total  0.003179   0.000659
+28         3         1          2       7   total  0.004955   0.000586
+29         3         1          2       8   total  0.005796   0.000770
+30         3         1          2       9   total  0.005142   0.000697
+31         3         1          2      10   total  0.005422   0.000590
+32         3         1          2      11   total  0.002431   0.000604
 11         3         2          1       1   total  0.000000   0.000000
 12         3         2          1       2   total  0.000000   0.000000
 13         3         2          1       3   total  0.000000   0.000000
@@ -480,42 +480,42 @@
 17         3         2          1       7   total  0.000000   0.000000
 18         3         2          1       8   total  0.000000   0.000000
 19         3         2          1       9   total  0.000000   0.000000
-20         3         2          1      10   total  0.000466   0.000467
-21         3         2          1      11   total  0.000000   0.000000
-0          3         2          2       1   total  0.083912   0.007782
-1          3         2          2       2   total  0.099762   0.010188
-2          3         2          2       3   total  0.111883   0.011115
-3          3         2          2       4   total  0.117477   0.008794
-4          3         2          2       5   total  0.138921   0.009363
-5          3         2          2       6   total  0.160831   0.013853
-6          3         2          2       7   total  0.180411   0.010676
-7          3         2          2       8   total  0.219104   0.015265
-8          3         2          2       9   total  0.239149   0.027341
-9          3         2          2      10   total  0.280639   0.021991
-10         3         2          2      11   total  0.369213   0.028038
+20         3         2          1      10   total  0.000000   0.000000
+21         3         2          1      11   total  0.000477   0.000479
+0          3         2          2       1   total  0.074833   0.009685
+1          3         2          2       2   total  0.104384   0.012046
+2          3         2          2       3   total  0.106768   0.015107
+3          3         2          2       4   total  0.116300   0.014515
+4          3         2          2       5   total  0.129646   0.017242
+5          3         2          2       6   total  0.170637   0.024765
+6          3         2          2       7   total  0.176834   0.020997
+7          3         2          2       8   total  0.218778   0.034093
+8          3         2          2       9   total  0.248807   0.028656
+9          3         2          2      10   total  0.301714   0.039263
+10         3         2          2      11   total  0.353191   0.038577
     material  group in  group out  mu bin nuclide      mean  std. dev.
-33         3         1          1       1   total  0.007106   0.000751
-34         3         1          1       2   total  0.006917   0.000509
-35         3         1          1       3   total  0.005590   0.000635
-36         3         1          1       4   total  0.006254   0.000532
-37         3         1          1       5   total  0.007770   0.000977
-38         3         1          1       6   total  0.012412   0.001060
-39         3         1          1       7   total  0.041501   0.002755
-40         3         1          1       8   total  0.075421   0.003475
-41         3         1          1       9   total  0.123365   0.006634
-42         3         1          1      10   total  0.160981   0.007387
-43         3         1          1      11   total  0.203618   0.011019
-22         3         1          2       1   total  0.000190   0.000190
-23         3         1          2       2   total  0.001042   0.000114
-24         3         1          2       3   total  0.000853   0.000185
-25         3         1          2       4   total  0.000853   0.000319
-26         3         1          2       5   total  0.001327   0.000288
-27         3         1          2       6   total  0.003790   0.000588
-28         3         1          2       7   total  0.003885   0.000748
-29         3         1          2       8   total  0.006348   0.000587
-30         3         1          2       9   total  0.005306   0.000601
-31         3         1          2      10   total  0.005117   0.000535
-32         3         1          2      11   total  0.002558   0.000246
+33         3         1          1       1   total  0.007759   0.001091
+34         3         1          1       2   total  0.005703   0.000746
+35         3         1          1       3   total  0.007479   0.000619
+36         3         1          1       4   total  0.007946   0.000592
+37         3         1          1       5   total  0.007666   0.000598
+38         3         1          1       6   total  0.011312   0.001616
+39         3         1          1       7   total  0.040106   0.002941
+40         3         1          1       8   total  0.076753   0.003373
+41         3         1          1       9   total  0.113680   0.005540
+42         3         1          1      10   total  0.168370   0.007913
+43         3         1          1      11   total  0.212589   0.009578
+22         3         1          2       1   total  0.000467   0.000211
+23         3         1          2       2   total  0.000561   0.000232
+24         3         1          2       3   total  0.000748   0.000436
+25         3         1          2       4   total  0.001122   0.000250
+26         3         1          2       5   total  0.002150   0.000653
+27         3         1          2       6   total  0.003179   0.000684
+28         3         1          2       7   total  0.004955   0.000654
+29         3         1          2       8   total  0.005796   0.000841
+30         3         1          2       9   total  0.005142   0.000759
+31         3         1          2      10   total  0.005422   0.000670
+32         3         1          2      11   total  0.002431   0.000620
 11         3         2          1       1   total  0.000000   0.000000
 12         3         2          1       2   total  0.000000   0.000000
 13         3         2          1       3   total  0.000000   0.000000
@@ -525,16 +525,16 @@
 17         3         2          1       7   total  0.000000   0.000000
 18         3         2          1       8   total  0.000000   0.000000
 19         3         2          1       9   total  0.000000   0.000000
-20         3         2          1      10   total  0.000466   0.000808
-21         3         2          1      11   total  0.000000   0.000000
-0          3         2          2       1   total  0.083912   0.008936
-1          3         2          2       2   total  0.099762   0.011448
-2          3         2          2       3   total  0.111883   0.012563
-3          3         2          2       4   total  0.117477   0.010731
-4          3         2          2       5   total  0.138921   0.011855
-5          3         2          2       6   total  0.160831   0.016211
-6          3         2          2       7   total  0.180411   0.014254
-7          3         2          2       8   total  0.219104   0.019093
-8          3         2          2       9   total  0.239149   0.030071
-9          3         2          2      10   total  0.280639   0.026447
-10         3         2          2      11   total  0.369213   0.034054
+20         3         2          1      10   total  0.000000   0.000000
+21         3         2          1      11   total  0.000477   0.000827
+0          3         2          2       1   total  0.074833   0.011051
+1          3         2          2       2   total  0.104384   0.014150
+2          3         2          2       3   total  0.106768   0.016908
+3          3         2          2       4   total  0.116300   0.016707
+4          3         2          2       5   total  0.129646   0.019553
+5          3         2          2       6   total  0.170637   0.027579
+6          3         2          2       7   total  0.176834   0.024476
+7          3         2          2       8   total  0.218778   0.037476
+8          3         2          2       9   total  0.248807   0.033680
+9          3         2          2      10   total  0.301714   0.044745
+10         3         2          2      11   total  0.353191   0.046035
diff --git a/tests/regression_tests/mgxs_library_mesh/results_true.dat b/tests/regression_tests/mgxs_library_mesh/results_true.dat
index b1e8ac003..16b86870d 100644
--- a/tests/regression_tests/mgxs_library_mesh/results_true.dat
+++ b/tests/regression_tests/mgxs_library_mesh/results_true.dat
@@ -1,362 +1,362 @@
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.102539  0.004894
-2      1  2  1        1   total  0.106476  0.007513
-1      2  1  1        1   total  0.101207  0.004814
-3      2  2  1        1   total  0.101733  0.004445
+0      1  1  1        1   total  0.103374  0.004981
+2      1  2  1        1   total  0.103852  0.004752
+1      2  1  1        1   total  0.103322  0.003613
+3      2  2  1        1   total  0.102889  0.003387
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.073423  0.005232
-2      1  2  1        1   total  0.077906  0.007749
-1      2  1  1        1   total  0.071315  0.005181
-3      2  2  1        1   total  0.071983  0.004856
+0      1  1  1        1   total  0.072760  0.005235
+2      1  2  1        1   total  0.074856  0.004972
+1      2  1  1        1   total  0.074583  0.004000
+3      2  2  1        1   total  0.072925  0.003485
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.073443  0.005235
-2      1  2  1        1   total  0.077909  0.007749
-1      2  1  1        1   total  0.071315  0.005181
-3      2  2  1        1   total  0.071928  0.004865
+0      1  1  1        1   total  0.072768  0.005236
+2      1  2  1        1   total  0.074864  0.004972
+1      2  1  1        1   total  0.074603  0.004002
+3      2  2  1        1   total  0.072881  0.003491
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.013089  0.000762
-2      1  2  1        1   total  0.013802  0.000950
-1      2  1  1        1   total  0.012818  0.000708
-3      2  2  1        1   total  0.012954  0.000699
+0      1  1  1        1   total  0.013309  0.000729
+2      1  2  1        1   total  0.013223  0.000707
+1      2  1  1        1   total  0.013222  0.000596
+3      2  2  1        1   total  0.013282  0.000564
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.013016  0.000761
-2      1  2  1        1   total  0.013715  0.000947
-1      2  1  1        1   total  0.012740  0.000707
-3      2  2  1        1   total  0.012886  0.000698
+0      1  1  1        1   total  0.013241  0.000728
+2      1  2  1        1   total  0.013142  0.000705
+1      2  1  1        1   total  0.013137  0.000596
+3      2  2  1        1   total  0.013221  0.000564
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.001244  0.000926
-2      1  2  1        1   total  0.001345  0.000851
-1      2  1  1        1   total  0.001196  0.000768
-3      2  2  1        1   total  0.001234  0.000843
+0      1  1  1        1   total  0.001281  0.000874
+2      1  2  1        1   total  0.001297  0.000731
+1      2  1  1        1   total  0.001281  0.000744
+3      2  2  1        1   total  0.001288  0.000719
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.011844  0.000690
-2      1  2  1        1   total  0.012457  0.000852
-1      2  1  1        1   total  0.011622  0.000636
-3      2  2  1        1   total  0.011719  0.000633
+0      1  1  1        1   total  0.012029  0.000664
+2      1  2  1        1   total  0.011926  0.000639
+1      2  1  1        1   total  0.011941  0.000545
+3      2  2  1        1   total  0.011994  0.000515
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.030919  0.001784
-2      1  2  1        1   total  0.032495  0.002202
-1      2  1  1        1   total  0.030363  0.001664
-3      2  2  1        1   total  0.030565  0.001671
+0      1  1  1        1   total  0.031361  0.001735
+2      1  2  1        1   total  0.031091  0.001675
+1      2  1  1        1   total  0.031169  0.001418
+3      2  2  1        1   total  0.031255  0.001366
   mesh 1       group in nuclide          mean      std. dev.
        x  y  z                                              
-0      1  1  1        1   total  2.290786e+06  133521.277651
-2      1  2  1        1   total  2.409292e+06  164752.430241
-1      2  1  1        1   total  2.247742e+06  123005.689035
-3      2  2  1        1   total  2.266603e+06  122428.448367
+0      1  1  1        1   total  2.326447e+06  128504.886535
+2      1  2  1        1   total  2.306518e+06  123638.096130
+1      2  1  1        1   total  2.309435e+06  105395.059055
+3      2  2  1        1   total  2.319667e+06   99692.620001
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.089450  0.004147
-2      1  2  1        1   total  0.092674  0.006571
-1      2  1  1        1   total  0.088389  0.004152
-3      2  2  1        1   total  0.088779  0.003763
+0      1  1  1        1   total  0.090065  0.004262
+2      1  2  1        1   total  0.090629  0.004086
+1      2  1  1        1   total  0.090100  0.003045
+3      2  2  1        1   total  0.089607  0.002828
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.089555  0.004061
-2      1  2  1        1   total  0.092658  0.006216
-1      2  1  1        1   total  0.088293  0.004423
-3      2  2  1        1   total  0.088717  0.004937
+0      1  1  1        1   total  0.090188  0.005151
+2      1  2  1        1   total  0.094339  0.004349
+1      2  1  1        1   total  0.088294  0.003953
+3      2  2  1        1   total  0.089633  0.002592
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.089523  0.004070
-1       1  1  1        1         1       P1   total  0.029116  0.001851
-2       1  1  1        1         1       P2   total  0.016529  0.000827
-3       1  1  1        1         1       P3   total  0.009975  0.000731
-8       1  2  1        1         1       P0   total  0.092626  0.006233
-9       1  2  1        1         1       P1   total  0.028570  0.001899
-10      1  2  1        1         1       P2   total  0.015737  0.001986
-11      1  2  1        1         1       P3   total  0.008492  0.000859
-4       2  1  1        1         1       P0   total  0.088293  0.004423
-5       2  1  1        1         1       P1   total  0.029892  0.001916
-6       2  1  1        1         1       P2   total  0.016736  0.000714
-7       2  1  1        1         1       P3   total  0.009129  0.000509
-12      2  2  1        1         1       P0   total  0.088617  0.004889
-13      2  2  1        1         1       P1   total  0.029750  0.001954
-14      2  2  1        1         1       P2   total  0.016440  0.001320
-15      2  2  1        1         1       P3   total  0.009758  0.000538
+0       1  1  1        1         1       P0   total  0.090122  0.005149
+1       1  1  1        1         1       P1   total  0.030614  0.001612
+2       1  1  1        1         1       P2   total  0.016490  0.000897
+3       1  1  1        1         1       P3   total  0.010163  0.000829
+8       1  2  1        1         1       P0   total  0.094307  0.004337
+9       1  2  1        1         1       P1   total  0.028996  0.001462
+10      1  2  1        1         1       P2   total  0.017486  0.000808
+11      1  2  1        1         1       P3   total  0.009753  0.000742
+4       2  1  1        1         1       P0   total  0.088198  0.003959
+5       2  1  1        1         1       P1   total  0.028739  0.001715
+6       2  1  1        1         1       P2   total  0.015608  0.000680
+7       2  1  1        1         1       P3   total  0.008232  0.000363
+12      2  2  1        1         1       P0   total  0.089536  0.002551
+13      2  2  1        1         1       P1   total  0.029964  0.000821
+14      2  2  1        1         1       P2   total  0.015742  0.001260
+15      2  2  1        1         1       P3   total  0.008944  0.000385
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.089555  0.004061
-1       1  1  1        1         1       P1   total  0.029096  0.001859
-2       1  1  1        1         1       P2   total  0.016532  0.000828
-3       1  1  1        1         1       P3   total  0.009986  0.000734
-8       1  2  1        1         1       P0   total  0.092658  0.006216
-9       1  2  1        1         1       P1   total  0.028567  0.001899
-10      1  2  1        1         1       P2   total  0.015721  0.001995
-11      1  2  1        1         1       P3   total  0.008496  0.000857
-4       2  1  1        1         1       P0   total  0.088293  0.004423
-5       2  1  1        1         1       P1   total  0.029892  0.001916
-6       2  1  1        1         1       P2   total  0.016736  0.000714
-7       2  1  1        1         1       P3   total  0.009129  0.000509
-12      2  2  1        1         1       P0   total  0.088717  0.004937
-13      2  2  1        1         1       P1   total  0.029805  0.001977
-14      2  2  1        1         1       P2   total  0.016448  0.001327
-15      2  2  1        1         1       P3   total  0.009752  0.000534
+0       1  1  1        1         1       P0   total  0.090188  0.005151
+1       1  1  1        1         1       P1   total  0.030606  0.001614
+2       1  1  1        1         1       P2   total  0.016462  0.000898
+3       1  1  1        1         1       P3   total  0.010173  0.000824
+8       1  2  1        1         1       P0   total  0.094339  0.004349
+9       1  2  1        1         1       P1   total  0.028988  0.001462
+10      1  2  1        1         1       P2   total  0.017473  0.000811
+11      1  2  1        1         1       P3   total  0.009763  0.000749
+4       2  1  1        1         1       P0   total  0.088294  0.003953
+5       2  1  1        1         1       P1   total  0.028719  0.001720
+6       2  1  1        1         1       P2   total  0.015571  0.000691
+7       2  1  1        1         1       P3   total  0.008255  0.000361
+12      2  2  1        1         1       P0   total  0.089633  0.002592
+13      2  2  1        1         1       P1   total  0.030008  0.000847
+14      2  2  1        1         1       P2   total  0.015748  0.001284
+15      2  2  1        1         1       P3   total  0.008951  0.000387
   mesh 1       group in group out nuclide      mean std. dev.
        x  y  z                                               
-0      1  1  1        1         1   total  1.000362  0.044694
-2      1  2  1        1         1   total  1.000346  0.059372
-1      2  1  1        1         1   total  1.000000  0.055277
-3      2  2  1        1         1   total  1.001132  0.057130
+0      1  1  1        1         1   total  1.000736  0.060260
+2      1  2  1        1         1   total  1.000346  0.042656
+1      2  1  1        1         1   total  1.001091  0.052736
+3      2  2  1        1         1   total  1.001078  0.038212
   mesh 1       group in group out nuclide      mean std. dev.
        x  y  z                                               
-0      1  1  1        1         1   total  0.031634  0.002236
-2      1  2  1        1         1   total  0.032561  0.002344
-1      2  1  1        1         1   total  0.030820  0.002579
-3      2  2  1        1         1   total  0.029308  0.002507
+0      1  1  1        1         1   total  0.031890  0.002523
+2      1  2  1        1         1   total  0.032714  0.001502
+1      2  1  1        1         1   total  0.030414  0.002369
+3      2  2  1        1         1   total  0.031051  0.001521
   mesh 1       group in group out nuclide mean std. dev.
        x  y  z                                          
-0      1  1  1        1         1   total  1.0  0.044796
-2      1  2  1        1         1   total  1.0  0.059579
-1      2  1  1        1         1   total  1.0  0.055277
-3      2  2  1        1         1   total  1.0  0.056598
+0      1  1  1        1         1   total  1.0  0.060234
+2      1  2  1        1         1   total  1.0  0.042523
+1      2  1  1        1         1   total  1.0  0.052777
+3      2  2  1        1         1   total  1.0  0.037842
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.089450  0.005766
-1       1  1  1        1         1       P1   total  0.029092  0.002277
-2       1  1  1        1         1       P2   total  0.016516  0.001119
-3       1  1  1        1         1       P3   total  0.009967  0.000861
-8       1  2  1        1         1       P0   total  0.092674  0.008583
-9       1  2  1        1         1       P1   total  0.028585  0.002630
-10      1  2  1        1         1       P2   total  0.015745  0.002226
-11      1  2  1        1         1       P3   total  0.008496  0.001015
-4       2  1  1        1         1       P0   total  0.088389  0.006412
-5       2  1  1        1         1       P1   total  0.029924  0.002479
-6       2  1  1        1         1       P2   total  0.016754  0.001133
-7       2  1  1        1         1       P3   total  0.009139  0.000699
-12      2  2  1        1         1       P0   total  0.088779  0.006278
-13      2  2  1        1         1       P1   total  0.029804  0.002360
-14      2  2  1        1         1       P2   total  0.016470  0.001510
-15      2  2  1        1         1       P3   total  0.009776  0.000691
+0       1  1  1        1         1       P0   total  0.090065  0.006899
+1       1  1  1        1         1       P1   total  0.030595  0.002243
+2       1  1  1        1         1       P2   total  0.016480  0.001229
+3       1  1  1        1         1       P3   total  0.010157  0.000977
+8       1  2  1        1         1       P0   total  0.090629  0.005616
+9       1  2  1        1         1       P1   total  0.027865  0.001820
+10      1  2  1        1         1       P2   total  0.016804  0.001044
+11      1  2  1        1         1       P3   total  0.009373  0.000813
+4       2  1  1        1         1       P0   total  0.090100  0.005647
+5       2  1  1        1         1       P1   total  0.029359  0.002172
+6       2  1  1        1         1       P2   total  0.015944  0.000984
+7       2  1  1        1         1       P3   total  0.008410  0.000523
+12      2  2  1        1         1       P0   total  0.089607  0.004415
+13      2  2  1        1         1       P1   total  0.029988  0.001459
+14      2  2  1        1         1       P2   total  0.015755  0.001411
+15      2  2  1        1         1       P3   total  0.008951  0.000528
    mesh 1       group in group out legendre nuclide      mean std. dev.
         x  y  z                                                        
-0       1  1  1        1         1       P0   total  0.089483  0.007018
-1       1  1  1        1         1       P1   total  0.029103  0.002623
-2       1  1  1        1         1       P2   total  0.016522  0.001341
-3       1  1  1        1         1       P3   total  0.009971  0.000970
-8       1  2  1        1         1       P0   total  0.092706  0.010197
-9       1  2  1        1         1       P1   total  0.028595  0.003131
-10      1  2  1        1         1       P2   total  0.015750  0.002415
-11      1  2  1        1         1       P3   total  0.008499  0.001134
-4       2  1  1        1         1       P0   total  0.088389  0.008061
-5       2  1  1        1         1       P1   total  0.029924  0.002980
-6       2  1  1        1         1       P2   total  0.016754  0.001463
-7       2  1  1        1         1       P3   total  0.009139  0.000863
-12      2  2  1        1         1       P0   total  0.088880  0.008076
-13      2  2  1        1         1       P1   total  0.029838  0.002912
-14      2  2  1        1         1       P2   total  0.016489  0.001781
-15      2  2  1        1         1       P3   total  0.009787  0.000889
+0       1  1  1        1         1       P0   total  0.090131  0.008782
+1       1  1  1        1         1       P1   total  0.030617  0.002905
+2       1  1  1        1         1       P2   total  0.016492  0.001581
+3       1  1  1        1         1       P3   total  0.010164  0.001154
+8       1  2  1        1         1       P0   total  0.090661  0.006820
+9       1  2  1        1         1       P1   total  0.027875  0.002174
+10      1  2  1        1         1       P2   total  0.016810  0.001267
+11      1  2  1        1         1       P3   total  0.009376  0.000906
+4       2  1  1        1         1       P0   total  0.090199  0.007385
+5       2  1  1        1         1       P1   total  0.029391  0.002669
+6       2  1  1        1         1       P2   total  0.015962  0.001295
+7       2  1  1        1         1       P3   total  0.008419  0.000686
+12      2  2  1        1         1       P0   total  0.089704  0.005591
+13      2  2  1        1         1       P1   total  0.030020  0.001856
+14      2  2  1        1         1       P2   total  0.015772  0.001536
+15      2  2  1        1         1       P3   total  0.008961  0.000629
   mesh 1       group out nuclide mean std. dev.
        x  y  z                                 
-0      1  1  1         1   total  1.0  0.088672
-2      1  2  1         1   total  1.0  0.069731
-1      2  1  1         1   total  1.0  0.109718
-3      2  2  1         1   total  1.0  0.108376
+0      1  1  1         1   total  1.0  0.098093
+2      1  2  1         1   total  1.0  0.042346
+1      2  1  1         1   total  1.0  0.104352
+3      2  2  1         1   total  1.0  0.067889
   mesh 1       group out nuclide mean std. dev.
        x  y  z                                 
-0      1  1  1         1   total  1.0  0.091154
-2      1  2  1         1   total  1.0  0.069438
-1      2  1  1         1   total  1.0  0.109233
-3      2  2  1         1   total  1.0  0.108119
+0      1  1  1         1   total  1.0  0.099401
+2      1  2  1         1   total  1.0  0.042085
+1      2  1  1         1   total  1.0  0.104135
+3      2  2  1         1   total  1.0  0.067307
   mesh 1       group in nuclide          mean     std. dev.
        x  y  z                                             
-0      1  1  1        1   total  8.424136e-10  3.612697e-11
-2      1  2  1        1   total  8.884166e-10  6.324091e-11
-1      2  1  1        1   total  8.415613e-10  4.520088e-11
-3      2  2  1        1   total  8.557929e-10  2.898037e-11
+0      1  1  1        1   total  8.547713e-10  3.477664e-11
+2      1  2  1        1   total  9.057083e-10  4.171858e-11
+1      2  1  1        1   total  8.666731e-10  2.371072e-11
+3      2  2  1        1   total  8.532016e-10  1.638929e-11
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  0.030724  0.001773
-2      1  2  1        1   total  0.032290  0.002188
-1      2  1  1        1   total  0.030172  0.001654
-3      2  2  1        1   total  0.030372  0.001661
+0      1  1  1        1   total  0.031163  0.001724
+2      1  2  1        1   total  0.030895  0.001664
+1      2  1  1        1   total  0.030973  0.001409
+3      2  2  1        1   total  0.031058  0.001358
   mesh 1       group in group out nuclide      mean std. dev.
        x  y  z                                               
-0      1  1  1        1         1   total  0.031468  0.002273
-2      1  2  1        1         1   total  0.032418  0.002330
-1      2  1  1        1         1   total  0.030706  0.002559
-3      2  2  1        1         1   total  0.029134  0.002487
+0      1  1  1        1         1   total  0.031781  0.002541
+2      1  2  1        1         1   total  0.032490  0.001487
+1      2  1  1        1         1   total  0.030274  0.002354
+3      2  2  1        1         1   total  0.030882  0.001500
    mesh 1               group in nuclide    mean std. dev.
         x  y       surf                                   
-3       1  1   x-max in        1   total  0.1884  0.010255
-2       1  1  x-max out        1   total  0.1798  0.009646
+3       1  1   x-max in        1   total  0.1888  0.008218
+2       1  1  x-max out        1   total  0.1828  0.008212
 1       1  1   x-min in        1   total  0.0000  0.000000
 0       1  1  x-min out        1   total  0.0000  0.000000
-7       1  1   y-max in        1   total  0.1822  0.014739
-6       1  1  y-max out        1   total  0.1806  0.019423
+7       1  1   y-max in        1   total  0.1820  0.012534
+6       1  1  y-max out        1   total  0.1794  0.015302
 5       1  1   y-min in        1   total  0.0000  0.000000
 4       1  1  y-min out        1   total  0.0000  0.000000
-19      1  2   x-max in        1   total  0.1780  0.012514
-18      1  2  x-max out        1   total  0.1886  0.014979
+19      1  2   x-max in        1   total  0.1870  0.011696
+18      1  2  x-max out        1   total  0.1850  0.012919
 17      1  2   x-min in        1   total  0.0000  0.000000
 16      1  2  x-min out        1   total  0.0000  0.000000
 23      1  2   y-max in        1   total  0.0000  0.000000
 22      1  2  y-max out        1   total  0.0000  0.000000
-21      1  2   y-min in        1   total  0.1806  0.019423
-20      1  2  y-min out        1   total  0.1822  0.014739
+21      1  2   y-min in        1   total  0.1794  0.015302
+20      1  2  y-min out        1   total  0.1820  0.012534
 11      2  1   x-max in        1   total  0.0000  0.000000
 10      2  1  x-max out        1   total  0.0000  0.000000
-9       2  1   x-min in        1   total  0.1798  0.009646
-8       2  1  x-min out        1   total  0.1884  0.010255
-15      2  1   y-max in        1   total  0.1812  0.009583
-14      2  1  y-max out        1   total  0.1858  0.012018
+9       2  1   x-min in        1   total  0.1828  0.008212
+8       2  1  x-min out        1   total  0.1888  0.008218
+15      2  1   y-max in        1   total  0.1850  0.011256
+14      2  1  y-max out        1   total  0.1870  0.009597
 13      2  1   y-min in        1   total  0.0000  0.000000
 12      2  1  y-min out        1   total  0.0000  0.000000
 27      2  2   x-max in        1   total  0.0000  0.000000
 26      2  2  x-max out        1   total  0.0000  0.000000
-25      2  2   x-min in        1   total  0.1886  0.014979
-24      2  2  x-min out        1   total  0.1780  0.012514
+25      2  2   x-min in        1   total  0.1850  0.012919
+24      2  2  x-min out        1   total  0.1870  0.011696
 31      2  2   y-max in        1   total  0.0000  0.000000
 30      2  2  y-max out        1   total  0.0000  0.000000
-29      2  2   y-min in        1   total  0.1858  0.012018
-28      2  2  y-min out        1   total  0.1812  0.009583
+29      2  2   y-min in        1   total  0.1870  0.009597
+28      2  2  y-min out        1   total  0.1850  0.011256
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  4.539911  0.323493
-2      1  2  1        1   total  4.278655  0.425575
-1      2  1  1        1   total  4.674097  0.339600
-3      2  2  1        1   total  4.630700  0.312366
+0      1  1  1        1   total  4.581283  0.329623
+2      1  2  1        1   total  4.452968  0.295762
+1      2  1  1        1   total  4.469295  0.239674
+3      2  2  1        1   total  4.570894  0.218416
   mesh 1       group in nuclide      mean std. dev.
        x  y  z                                     
-0      1  1  1        1   total  4.538654  0.323497
-2      1  2  1        1   total  4.278494  0.425550
-1      2  1  1        1   total  4.674097  0.339600
-3      2  2  1        1   total  4.634259  0.313464
+0      1  1  1        1   total  4.580746  0.329583
+2      1  2  1        1   total  4.452519  0.295716
+1      2  1  1        1   total  4.468066  0.239680
+3      2  2  1        1   total  4.573657  0.219069
    mesh 1       delayedgroup group in nuclide      mean     std. dev.
         x  y  z                                                      
-0       1  1  1            1        1   total  0.000007  3.997262e-07
-1       1  1  1            2        1   total  0.000035  2.063264e-06
-2       1  1  1            3        1   total  0.000034  1.969771e-06
-3       1  1  1            4        1   total  0.000075  4.416388e-06
-4       1  1  1            5        1   total  0.000031  1.810657e-06
-5       1  1  1            6        1   total  0.000013  7.584779e-07
-12      1  2  1            1        1   total  0.000007  4.931656e-07
-13      1  2  1            2        1   total  0.000037  2.545569e-06
-14      1  2  1            3        1   total  0.000035  2.430221e-06
-15      1  2  1            4        1   total  0.000079  5.448757e-06
-16      1  2  1            5        1   total  0.000032  2.233913e-06
-17      1  2  1            6        1   total  0.000014  9.357785e-07
-6       2  1  1            1        1   total  0.000007  3.618632e-07
-7       2  1  1            2        1   total  0.000035  1.867826e-06
-8       2  1  1            3        1   total  0.000033  1.783189e-06
-9       2  1  1            4        1   total  0.000074  3.998058e-06
-10      2  1  1            5        1   total  0.000030  1.639147e-06
-11      2  1  1            6        1   total  0.000013  6.866331e-07
-18      2  2  1            1        1   total  0.000007  3.603080e-07
-19      2  2  1            2        1   total  0.000035  1.859799e-06
-20      2  2  1            3        1   total  0.000033  1.775526e-06
-21      2  2  1            4        1   total  0.000075  3.980875e-06
-22      2  2  1            5        1   total  0.000031  1.632103e-06
-23      2  2  1            6        1   total  0.000013  6.836821e-07
+0       1  1  1            1        1   total  0.000007  3.812309e-07
+1       1  1  1            2        1   total  0.000036  1.967797e-06
+2       1  1  1            3        1   total  0.000034  1.878630e-06
+3       1  1  1            4        1   total  0.000077  4.212043e-06
+4       1  1  1            5        1   total  0.000031  1.726878e-06
+5       1  1  1            6        1   total  0.000013  7.233832e-07
+12      1  2  1            1        1   total  0.000007  3.663985e-07
+13      1  2  1            2        1   total  0.000035  1.891236e-06
+14      1  2  1            3        1   total  0.000034  1.805539e-06
+15      1  2  1            4        1   total  0.000076  4.048166e-06
+16      1  2  1            5        1   total  0.000031  1.659691e-06
+17      1  2  1            6        1   total  0.000013  6.952388e-07
+6       2  1  1            1        1   total  0.000007  3.123173e-07
+7       2  1  1            2        1   total  0.000035  1.612086e-06
+8       2  1  1            3        1   total  0.000034  1.539037e-06
+9       2  1  1            4        1   total  0.000076  3.450649e-06
+10      2  1  1            5        1   total  0.000031  1.414717e-06
+11      2  1  1            6        1   total  0.000013  5.926201e-07
+18      2  2  1            1        1   total  0.000007  2.946716e-07
+19      2  2  1            2        1   total  0.000036  1.521004e-06
+20      2  2  1            3        1   total  0.000034  1.452083e-06
+21      2  2  1            4        1   total  0.000076  3.255689e-06
+22      2  2  1            5        1   total  0.000031  1.334787e-06
+23      2  2  1            6        1   total  0.000013  5.591374e-07
    mesh 1       delayedgroup group out nuclide mean std. dev.
         x  y  z                                              
-0       1  1  1            1         1   total  0.0  0.000000
-1       1  1  1            2         1   total  1.0  0.866877
-2       1  1  1            3         1   total  1.0  0.866877
-3       1  1  1            4         1   total  1.0  1.414214
-4       1  1  1            5         1   total  1.0  1.414214
+0       1  1  1            1         1   total  1.0  1.414214
+1       1  1  1            2         1   total  0.0  0.000000
+2       1  1  1            3         1   total  0.0  0.000000
+3       1  1  1            4         1   total  1.0  0.578922
+4       1  1  1            5         1   total  0.0  0.000000
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 12      1  2  1            1         1   total  0.0  0.000000
-13      1  2  1            2         1   total  0.0  0.000000
-14      1  2  1            3         1   total  0.0  0.000000
-15      1  2  1            4         1   total  1.0  0.579346
-16      1  2  1            5         1   total  1.0  1.414214
+13      1  2  1            2         1   total  1.0  0.578922
+14      1  2  1            3         1   total  1.0  1.414214
+15      1  2  1            4         1   total  1.0  1.414214
+16      1  2  1            5         1   total  1.0  0.875472
 17      1  2  1            6         1   total  1.0  1.414214
-6       2  1  1            1         1   total  1.0  1.414214
-7       2  1  1            2         1   total  1.0  1.414214
-8       2  1  1            3         1   total  1.0  0.874781
-9       2  1  1            4         1   total  0.0  0.000000
-10      2  1  1            5         1   total  0.0  0.000000
+6       2  1  1            1         1   total  0.0  0.000000
+7       2  1  1            2         1   total  0.0  0.000000
+8       2  1  1            3         1   total  1.0  1.414214
+9       2  1  1            4         1   total  1.0  0.579392
+10      2  1  1            5         1   total  1.0  1.414214
 11      2  1  1            6         1   total  0.0  0.000000
-18      2  2  1            1         1   total  1.0  1.414214
-19      2  2  1            2         1   total  1.0  0.867902
-20      2  2  1            3         1   total  1.0  1.414214
-21      2  2  1            4         1   total  1.0  1.414214
+18      2  2  1            1         1   total  1.0  0.868163
+19      2  2  1            2         1   total  1.0  1.414214
+20      2  2  1            3         1   total  0.0  0.000000
+21      2  2  1            4         1   total  1.0  0.868969
 22      2  2  1            5         1   total  1.0  1.414214
 23      2  2  1            6         1   total  0.0  0.000000
    mesh 1       delayedgroup group in nuclide      mean std. dev.
         x  y  z                                                  
-0       1  1  1            1        1   total  0.000221  0.000016
-1       1  1  1            2        1   total  0.001138  0.000084
-2       1  1  1            3        1   total  0.001087  0.000080
-3       1  1  1            4        1   total  0.002437  0.000180
-4       1  1  1            5        1   total  0.000999  0.000074
-5       1  1  1            6        1   total  0.000418  0.000031
-12      1  2  1            1        1   total  0.000221  0.000014
-13      1  2  1            2        1   total  0.001138  0.000073
-14      1  2  1            3        1   total  0.001087  0.000069
-15      1  2  1            4        1   total  0.002436  0.000155
-16      1  2  1            5        1   total  0.000999  0.000064
-17      1  2  1            6        1   total  0.000418  0.000027
-6       2  1  1            1        1   total  0.000220  0.000014
-7       2  1  1            2        1   total  0.001137  0.000070
-8       2  1  1            3        1   total  0.001086  0.000067
-9       2  1  1            4        1   total  0.002435  0.000150
-10      2  1  1            5        1   total  0.000998  0.000062
-11      2  1  1            6        1   total  0.000418  0.000026
-18      2  2  1            1        1   total  0.000221  0.000015
-19      2  2  1            2        1   total  0.001141  0.000078
-20      2  2  1            3        1   total  0.001089  0.000074
-21      2  2  1            4        1   total  0.002442  0.000167
-22      2  2  1            5        1   total  0.001001  0.000068
-23      2  2  1            6        1   total  0.000419  0.000029
+0       1  1  1            1        1   total  0.000221  0.000015
+1       1  1  1            2        1   total  0.001140  0.000079
+2       1  1  1            3        1   total  0.001088  0.000075
+3       1  1  1            4        1   total  0.002440  0.000169
+4       1  1  1            5        1   total  0.001001  0.000069
+5       1  1  1            6        1   total  0.000419  0.000029
+12      1  2  1            1        1   total  0.000221  0.000013
+13      1  2  1            2        1   total  0.001139  0.000066
+14      1  2  1            3        1   total  0.001088  0.000063
+15      1  2  1            4        1   total  0.002439  0.000142
+16      1  2  1            5        1   total  0.001000  0.000058
+17      1  2  1            6        1   total  0.000419  0.000024
+6       2  1  1            1        1   total  0.000220  0.000013
+7       2  1  1            2        1   total  0.001138  0.000067
+8       2  1  1            3        1   total  0.001086  0.000064
+9       2  1  1            4        1   total  0.002435  0.000144
+10      2  1  1            5        1   total  0.000998  0.000059
+11      2  1  1            6        1   total  0.000418  0.000025
+18      2  2  1            1        1   total  0.000221  0.000013
+19      2  2  1            2        1   total  0.001141  0.000066
+20      2  2  1            3        1   total  0.001090  0.000063
+21      2  2  1            4        1   total  0.002443  0.000141
+22      2  2  1            5        1   total  0.001002  0.000058
+23      2  2  1            6        1   total  0.000420  0.000024
    mesh 1       delayedgroup nuclide      mean std. dev.
         x  y  z                                         
-0       1  1  1            1   total  0.013336  0.000997
-1       1  1  1            2   total  0.032739  0.002447
-2       1  1  1            3   total  0.120780  0.009028
-3       1  1  1            4   total  0.302780  0.022633
-4       1  1  1            5   total  0.849490  0.063500
-5       1  1  1            6   total  2.853000  0.213262
-12      1  2  1            1   total  0.013336  0.000866
-13      1  2  1            2   total  0.032739  0.002126
-14      1  2  1            3   total  0.120780  0.007843
-15      1  2  1            4   total  0.302780  0.019661
-16      1  2  1            5   total  0.849490  0.055163
-17      1  2  1            6   total  2.853000  0.185263
-6       2  1  1            1   total  0.013336  0.000814
-7       2  1  1            2   total  0.032739  0.001999
-8       2  1  1            3   total  0.120780  0.007373
-9       2  1  1            4   total  0.302780  0.018483
-10      2  1  1            5   total  0.849490  0.051857
-11      2  1  1            6   total  2.853000  0.174163
-18      2  2  1            1   total  0.013336  0.000896
-19      2  2  1            2   total  0.032739  0.002200
-20      2  2  1            3   total  0.120780  0.008117
-21      2  2  1            4   total  0.302780  0.020349
-22      2  2  1            5   total  0.849490  0.057091
-23      2  2  1            6   total  2.853000  0.191738
+0       1  1  1            1   total  0.013336  0.000919
+1       1  1  1            2   total  0.032739  0.002257
+2       1  1  1            3   total  0.120780  0.008325
+3       1  1  1            4   total  0.302780  0.020871
+4       1  1  1            5   total  0.849490  0.058555
+5       1  1  1            6   total  2.853000  0.196656
+12      1  2  1            1   total  0.013336  0.000770
+13      1  2  1            2   total  0.032739  0.001891
+14      1  2  1            3   total  0.120780  0.006977
+15      1  2  1            4   total  0.302780  0.017490
+16      1  2  1            5   total  0.849490  0.049071
+17      1  2  1            6   total  2.853000  0.164804
+6       2  1  1            1   total  0.013336  0.000790
+7       2  1  1            2   total  0.032739  0.001940
+8       2  1  1            3   total  0.120780  0.007157
+9       2  1  1            4   total  0.302780  0.017942
+10      2  1  1            5   total  0.849490  0.050338
+11      2  1  1            6   total  2.853000  0.169061
+18      2  2  1            1   total  0.013336  0.000757
+19      2  2  1            2   total  0.032739  0.001858
+20      2  2  1            3   total  0.120780  0.006855
+21      2  2  1            4   total  0.302780  0.017186
+22      2  2  1            5   total  0.849490  0.048217
+23      2  2  1            6   total  2.853000  0.161935
    mesh 1       delayedgroup group in group out nuclide      mean std. dev.
         x  y  z                                                            
-0       1  1  1            1        1         1   total  0.000000  0.000000
-1       1  1  1            2        1         1   total  0.000056  0.000034
-2       1  1  1            3        1         1   total  0.000056  0.000034
-3       1  1  1            4        1         1   total  0.000029  0.000029
-4       1  1  1            5        1         1   total  0.000026  0.000026
+0       1  1  1            1        1         1   total  0.000026  0.000026
+1       1  1  1            2        1         1   total  0.000000  0.000000
+2       1  1  1            3        1         1   total  0.000000  0.000000
+3       1  1  1            4        1         1   total  0.000083  0.000034
+4       1  1  1            5        1         1   total  0.000000  0.000000
 5       1  1  1            6        1         1   total  0.000000  0.000000
 12      1  2  1            1        1         1   total  0.000000  0.000000
-13      1  2  1            2        1         1   total  0.000000  0.000000
-14      1  2  1            3        1         1   total  0.000000  0.000000
-15      1  2  1            4        1         1   total  0.000079  0.000033
-16      1  2  1            5        1         1   total  0.000032  0.000032
-17      1  2  1            6        1         1   total  0.000032  0.000032
-6       2  1  1            1        1         1   total  0.000029  0.000029
-7       2  1  1            2        1         1   total  0.000027  0.000027
-8       2  1  1            3        1         1   total  0.000058  0.000036
-9       2  1  1            4        1         1   total  0.000000  0.000000
-10      2  1  1            5        1         1   total  0.000000  0.000000
+13      1  2  1            2        1         1   total  0.000081  0.000033
+14      1  2  1            3        1         1   total  0.000026  0.000026
+15      1  2  1            4        1         1   total  0.000026  0.000026
+16      1  2  1            5        1         1   total  0.000059  0.000036
+17      1  2  1            6        1         1   total  0.000033  0.000033
+6       2  1  1            1        1         1   total  0.000000  0.000000
+7       2  1  1            2        1         1   total  0.000000  0.000000
+8       2  1  1            3        1         1   total  0.000032  0.000032
+9       2  1  1            4        1         1   total  0.000080  0.000033
+10      2  1  1            5        1         1   total  0.000028  0.000028
 11      2  1  1            6        1         1   total  0.000000  0.000000
-18      2  2  1            1        1         1   total  0.000027  0.000027
-19      2  2  1            2        1         1   total  0.000056  0.000035
-20      2  2  1            3        1         1   total  0.000028  0.000028
-21      2  2  1            4        1         1   total  0.000030  0.000030
-22      2  2  1            5        1         1   total  0.000033  0.000033
+18      2  2  1            1        1         1   total  0.000054  0.000033
+19      2  2  1            2        1         1   total  0.000029  0.000029
+20      2  2  1            3        1         1   total  0.000000  0.000000
+21      2  2  1            4        1         1   total  0.000054  0.000033
+22      2  2  1            5        1         1   total  0.000032  0.000032
 23      2  2  1            6        1         1   total  0.000000  0.000000
diff --git a/tests/regression_tests/mgxs_library_no_nuclides/results_true.dat b/tests/regression_tests/mgxs_library_no_nuclides/results_true.dat
index c0dba7c0f..aec8e8bbc 100644
--- a/tests/regression_tests/mgxs_library_no_nuclides/results_true.dat
+++ b/tests/regression_tests/mgxs_library_no_nuclides/results_true.dat
@@ -1,227 +1,227 @@
 total
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.413814   0.018434
-0         1         2   total  0.663001   0.012535
+1         1         1   total  0.422772   0.014069
+0         1         2   total  0.661309   0.049458
 transport
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.369730   0.019494
-0         1         2   total  0.643777   0.018246
+1         1         1   total  0.383831   0.015331
+0         1         2   total  0.679181   0.050786
 nu-transport
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.369730   0.019494
-0         1         2   total  0.643777   0.018246
+1         1         1   total  0.383831   0.015331
+0         1         2   total  0.679181   0.050786
 absorption
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.026013   0.001851
-0         1         2   total  0.267233   0.007475
+1         1         1   total  0.027181   0.001539
+0         1         2   total  0.265559   0.020699
 reduced absorption
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.025932   0.001850
-0         1         2   total  0.267233   0.007475
+1         1         1   total  0.027162   0.001538
+0         1         2   total  0.265559   0.020699
 capture
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.018869   0.001758
-0         1         2   total  0.072358   0.008204
+1         1         1   total  0.019717   0.001492
+0         1         2   total  0.072029   0.019378
 fission
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.007144   0.000317
-0         1         2   total  0.194875   0.005528
+1         1         1   total  0.007464   0.000222
+0         1         2   total  0.193530   0.015119
 nu-fission
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.018243   0.000827
-0         1         2   total  0.474851   0.013471
+1         1         1   total  0.018925   0.000543
+0         1         2   total  0.471574   0.036840
 kappa-fission
    material  group in nuclide          mean     std. dev.
-1         1         1   total  1.391782e+06  6.192598e+04
-0         1         2   total  3.768981e+07  1.069211e+06
+1         1         1   total  1.453014e+06  4.287190e+04
+0         1         2   total  3.742974e+07  2.924022e+06
 scatter
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.387802   0.017462
-0         1         2   total  0.395768   0.007541
+1         1         1   total  0.395591   0.013417
+0         1         2   total  0.395750   0.029309
 nu-scatter
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.387032   0.024325
-0         1         2   total  0.407651   0.016266
+1         1         1   total  0.392941   0.019689
+0         1         2   total  0.396262   0.027471
 scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         1         1          1       P0   total  0.386336   0.024297
-13         1         1          1       P1   total  0.044084   0.006343
-14         1         1          1       P2   total  0.027336   0.006403
-15         1         1          1       P3   total  0.011672   0.004897
-8          1         1          2       P0   total  0.000695   0.000327
-9          1         1          2       P1   total -0.000359   0.000201
-10         1         1          2       P2   total -0.000047   0.000081
-11         1         1          2       P3   total  0.000239   0.000099
+12         1         1          1       P0   total  0.392419   0.019837
+13         1         1          1       P1   total  0.038941   0.006089
+14         1         1          1       P2   total  0.019512   0.003548
+15         1         1          1       P3   total  0.012951   0.002399
+8          1         1          2       P0   total  0.000522   0.000349
+9          1         1          2       P1   total -0.000301   0.000185
+10         1         1          2       P2   total  0.000045   0.000147
+11         1         1          2       P3   total  0.000069   0.000162
 4          1         2          1       P0   total  0.000000   0.000000
 5          1         2          1       P1   total  0.000000   0.000000
 6          1         2          1       P2   total  0.000000   0.000000
 7          1         2          1       P3   total  0.000000   0.000000
-0          1         2          2       P0   total  0.407651   0.016266
-1          1         2          2       P1   total  0.021192   0.013171
-2          1         2          2       P2   total  0.010327   0.017230
-3          1         2          2       P3   total  0.005148   0.013732
+0          1         2          2       P0   total  0.396262   0.027471
+1          1         2          2       P1   total -0.016133   0.010911
+2          1         2          2       P2   total -0.001147   0.010536
+3          1         2          2       P3   total  0.005359   0.008143
 nu-scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         1         1          1       P0   total  0.386336   0.024297
-13         1         1          1       P1   total  0.044084   0.006343
-14         1         1          1       P2   total  0.027336   0.006403
-15         1         1          1       P3   total  0.011672   0.004897
-8          1         1          2       P0   total  0.000695   0.000327
-9          1         1          2       P1   total -0.000359   0.000201
-10         1         1          2       P2   total -0.000047   0.000081
-11         1         1          2       P3   total  0.000239   0.000099
+12         1         1          1       P0   total  0.392419   0.019837
+13         1         1          1       P1   total  0.038941   0.006089
+14         1         1          1       P2   total  0.019512   0.003548
+15         1         1          1       P3   total  0.012951   0.002399
+8          1         1          2       P0   total  0.000522   0.000349
+9          1         1          2       P1   total -0.000301   0.000185
+10         1         1          2       P2   total  0.000045   0.000147
+11         1         1          2       P3   total  0.000069   0.000162
 4          1         2          1       P0   total  0.000000   0.000000
 5          1         2          1       P1   total  0.000000   0.000000
 6          1         2          1       P2   total  0.000000   0.000000
 7          1         2          1       P3   total  0.000000   0.000000
-0          1         2          2       P0   total  0.407651   0.016266
-1          1         2          2       P1   total  0.021192   0.013171
-2          1         2          2       P2   total  0.010327   0.017230
-3          1         2          2       P3   total  0.005148   0.013732
+0          1         2          2       P0   total  0.396262   0.027471
+1          1         2          2       P1   total -0.016133   0.010911
+2          1         2          2       P2   total -0.001147   0.010536
+3          1         2          2       P3   total  0.005359   0.008143
 multiplicity matrix
    material  group in  group out nuclide  mean  std. dev.
-3         1         1          1   total   1.0   0.064268
-2         1         1          2   total   1.0   0.661438
+3         1         1          1   total   1.0   0.054620
+2         1         1          2   total   1.0   0.942809
 1         1         2          1   total   0.0   0.000000
-0         1         2          2   total   1.0   0.050545
+0         1         2          2   total   1.0   0.080341
 nu-fission matrix
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.024633   0.002205
+3         1         1          1   total  0.019257   0.001831
 2         1         1          2   total  0.000000   0.000000
-1         1         2          1   total  0.435159   0.014743
+1         1         2          1   total  0.459401   0.022054
 0         1         2          2   total  0.000000   0.000000
 scatter probability matrix
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.998203   0.064101
-2         1         1          2   total  0.001797   0.000844
+3         1         1          1   total  0.998671   0.054518
+2         1         1          2   total  0.001329   0.000888
 1         1         2          1   total  0.000000   0.000000
-0         1         2          2   total  1.000000   0.050545
+0         1         2          2   total  1.000000   0.080341
 consistent scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         1         1          1       P0   total  0.387105   0.030361
-13         1         1          1       P1   total  0.044172   0.006684
-14         1         1          1       P2   total  0.027391   0.006543
-15         1         1          1       P3   total  0.011695   0.004937
-8          1         1          2       P0   total  0.000697   0.000329
-9          1         1          2       P1   total -0.000360   0.000202
-10         1         1          2       P2   total -0.000047   0.000082
-11         1         1          2       P3   total  0.000239   0.000100
+12         1         1          1       P0   total  0.395065   0.025390
+13         1         1          1       P1   total  0.039204   0.006325
+14         1         1          1       P2   total  0.019644   0.003656
+15         1         1          1       P3   total  0.013039   0.002470
+8          1         1          2       P0   total  0.000526   0.000352
+9          1         1          2       P1   total -0.000303   0.000186
+10         1         1          2       P2   total  0.000045   0.000148
+11         1         1          2       P3   total  0.000069   0.000163
 4          1         2          1       P0   total  0.000000   0.000000
 5          1         2          1       P1   total  0.000000   0.000000
 6          1         2          1       P2   total  0.000000   0.000000
 7          1         2          1       P3   total  0.000000   0.000000
-0          1         2          2       P0   total  0.395768   0.021378
-1          1         2          2       P1   total  0.020575   0.012809
-2          1         2          2       P2   total  0.010026   0.016732
-3          1         2          2       P3   total  0.004998   0.013333
+0          1         2          2       P0   total  0.395750   0.043243
+1          1         2          2       P1   total -0.016112   0.010982
+2          1         2          2       P2   total -0.001146   0.010523
+3          1         2          2       P3   total  0.005353   0.008145
 consistent nu-scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         1         1          1       P0   total  0.387105   0.039252
-13         1         1          1       P1   total  0.044172   0.007262
-14         1         1          1       P2   total  0.027391   0.006776
-15         1         1          1       P3   total  0.011695   0.004994
-8          1         1          2       P0   total  0.000697   0.000566
-9          1         1          2       P1   total -0.000360   0.000313
-10         1         1          2       P2   total -0.000047   0.000087
-11         1         1          2       P3   total  0.000239   0.000187
+12         1         1          1       P0   total  0.395065   0.033321
+13         1         1          1       P1   total  0.039204   0.006677
+14         1         1          1       P2   total  0.019644   0.003810
+15         1         1          1       P3   total  0.013039   0.002571
+8          1         1          2       P0   total  0.000526   0.000608
+9          1         1          2       P1   total -0.000303   0.000341
+10         1         1          2       P2   total  0.000045   0.000154
+11         1         1          2       P3   total  0.000069   0.000175
 4          1         2          1       P0   total  0.000000   0.000000
 5          1         2          1       P1   total  0.000000   0.000000
 6          1         2          1       P2   total  0.000000   0.000000
 7          1         2          1       P3   total  0.000000   0.000000
-0          1         2          2       P0   total  0.395768   0.029278
-1          1         2          2       P1   total  0.020575   0.012851
-2          1         2          2       P2   total  0.010026   0.016739
-3          1         2          2       P3   total  0.004998   0.013335
+0          1         2          2       P0   total  0.395750   0.053673
+1          1         2          2       P1   total -0.016112   0.011058
+2          1         2          2       P2   total -0.001146   0.010523
+3          1         2          2       P3   total  0.005353   0.008157
 chi
    material  group out nuclide  mean  std. dev.
-1         1          1   total   1.0   0.039887
+1         1          1   total   1.0   0.015644
 0         1          2   total   0.0   0.000000
 chi-prompt
    material  group out nuclide  mean  std. dev.
-1         1          1   total   1.0   0.039887
+1         1          1   total   1.0   0.017529
 0         1          2   total   0.0   0.000000
 inverse-velocity
    material  group in nuclide          mean     std. dev.
-1         1         1   total  5.956290e-08  2.255751e-09
-0         1         2   total  2.886630e-06  7.418452e-08
+1         1         1   total  6.047675e-08  4.367288e-09
+0         1         2   total  2.861927e-06  2.241423e-07
 prompt-nu-fission
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.018067   0.000817
-0         1         2   total  0.471762   0.013383
+1         1         1   total  0.018748    0.00054
+0         1         2   total  0.468507    0.03660
 prompt-nu-fission matrix
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.024633   0.002205
+3         1         1          1   total  0.019049   0.001675
 2         1         1          2   total  0.000000   0.000000
-1         1         2          1   total  0.435159   0.014743
+1         1         2          1   total  0.454399   0.022578
 0         1         2          2   total  0.000000   0.000000
 diffusion-coefficient
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.901559   0.047536
-0         1         2   total  0.517778   0.014675
+1         1         1   total  0.868438   0.034686
+0         1         2   total  0.490787   0.036698
 nu-diffusion-coefficient
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.901559   0.047536
-0         1         2   total  0.517778   0.014675
+1         1         1   total  0.868438   0.034686
+0         1         2   total  0.490787   0.036698
 (n,elastic)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.360179   0.016169
-0         1         2   total  0.395768   0.007541
+1         1         1   total  0.368341   0.013033
+0         1         2   total  0.395750   0.029309
 (n,level)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.000568   0.000028
+1         1         1   total  0.000518   0.000016
 0         1         2   total  0.000000   0.000000
 (n,2n)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.000079   0.000042
+1         1         1   total  0.000019   0.000012
 0         1         2   total  0.000000   0.000000
 (n,na)
-   material  group in nuclide          mean     std. dev.
-1         1         1   total  8.510945e-07  8.515320e-07
-0         1         2   total  0.000000e+00  0.000000e+00
+   material  group in nuclide  mean  std. dev.
+1         1         1   total   0.0        0.0
+0         1         2   total   0.0        0.0
 (n,nc)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.008258   0.000928
+1         1         1   total  0.007599   0.000559
 0         1         2   total  0.000000   0.000000
 (n,gamma)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.018749   0.001838
-0         1         2   total  0.072358   0.001951
+1         1         1   total  0.019608   0.001470
+0         1         2   total  0.072029   0.005584
 (n,a)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.000119   0.000023
-0         1         2   total  0.000000   0.000000
+1         1         1   total  0.000109    0.00002
+0         1         2   total  0.000000    0.00000
 (n,Xa)
-   material  group in nuclide     mean  std. dev.
-1         1         1   total  0.00012   0.000022
-0         1         2   total  0.00000   0.000000
+   material  group in nuclide      mean  std. dev.
+1         1         1   total  0.000109    0.00002
+0         1         2   total  0.000000    0.00000
 heating
-   material  group in nuclide          mean      std. dev.
-1         1         1   total  1.216089e+06   54827.397330
-0         1         2   total  3.262993e+07  904277.817101
+   material  group in nuclide          mean     std. dev.
+1         1         1   total  1.270644e+06  3.732629e+04
+0         1         2   total  3.241569e+07  2.530346e+06
 damage-energy
    material  group in nuclide         mean   std. dev.
-1         1         1   total  2317.176742  165.734097
-0         1         2   total  1371.933922   38.919660
+1         1         1   total  2405.735342   79.042000
+0         1         2   total  1362.470597  106.435803
 (n,n1)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.012055   0.000759
+1         1         1   total  0.011931   0.000455
 0         1         2   total  0.000000   0.000000
 (n,a0)
    material  group in nuclide      mean  std. dev.
-1         1         1   total  0.000109   0.000028
-0         1         2   total  0.000000   0.000000
+1         1         1   total  0.000108    0.00002
+0         1         2   total  0.000000    0.00000
 (n,nc) matrix
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.009563   0.001002
+3         1         1          1   total  0.005745   0.001068
 2         1         1          2   total  0.000000   0.000000
 1         1         2          1   total  0.000000   0.000000
 0         1         2          2   total  0.000000   0.000000
 (n,n1) matrix
    material  group in  group out nuclide      mean  std. dev.
-3         1         1          1   total  0.013909    0.00145
-2         1         1          2   total  0.000000    0.00000
-1         1         2          1   total  0.000000    0.00000
-0         1         2          2   total  0.000000    0.00000
+3         1         1          1   total  0.013232   0.001025
+2         1         1          2   total  0.000000   0.000000
+1         1         2          1   total  0.000000   0.000000
+0         1         2          2   total  0.000000   0.000000
 (n,2n) matrix
    material  group in  group out nuclide  mean  std. dev.
 3         1         1          1   total   0.0        0.0
@@ -230,104 +230,104 @@ damage-energy
 0         1         2          2   total   0.0        0.0
 delayed-nu-fission
     material  delayedgroup  group in nuclide      mean     std. dev.
-1          1             1         1   total  0.000004  1.857100e-07
-3          1             2         1   total  0.000025  1.293123e-06
-5          1             3         1   total  0.000026  1.448812e-06
-7          1             4         1   total  0.000068  4.132525e-06
-9          1             5         1   total  0.000037  2.670208e-06
-11         1             6         1   total  0.000015  1.084541e-06
-0          1             1         2   total  0.000108  3.067510e-06
-2          1             2         2   total  0.000558  1.583355e-05
-4          1             3         2   total  0.000533  1.511609e-05
-6          1             4         2   total  0.001195  3.389154e-05
-8          1             5         2   total  0.000490  1.389508e-05
-10         1             6         2   total  0.000205  5.820598e-06
+1          1             1         1   total  0.000004  1.226367e-07
+3          1             2         1   total  0.000026  6.725093e-07
+5          1             3         1   total  0.000027  7.028316e-07
+7          1             4         1   total  0.000068  1.919534e-06
+9          1             5         1   total  0.000037  1.268939e-06
+11         1             6         1   total  0.000015  5.136452e-07
+0          1             1         2   total  0.000107  8.388866e-06
+2          1             2         2   total  0.000554  4.330076e-05
+4          1             3         2   total  0.000529  4.133869e-05
+6          1             4         2   total  0.001186  9.268481e-05
+8          1             5         2   total  0.000486  3.799954e-05
+10         1             6         2   total  0.000204  1.591787e-05
 chi-delayed
     material  delayedgroup  group out nuclide  mean  std. dev.
-1          1             1          1   total   0.0        0.0
-3          1             2          1   total   0.0        0.0
-5          1             3          1   total   0.0        0.0
-7          1             4          1   total   0.0        0.0
-9          1             5          1   total   0.0        0.0
-11         1             6          1   total   0.0        0.0
-0          1             1          2   total   0.0        0.0
-2          1             2          2   total   0.0        0.0
-4          1             3          2   total   0.0        0.0
-6          1             4          2   total   0.0        0.0
-8          1             5          2   total   0.0        0.0
-10         1             6          2   total   0.0        0.0
+1          1             1          1   total   0.0   0.000000
+3          1             2          1   total   0.0   0.000000
+5          1             3          1   total   0.0   0.000000
+7          1             4          1   total   1.0   0.433956
+9          1             5          1   total   0.0   0.000000
+11         1             6          1   total   0.0   0.000000
+0          1             1          2   total   0.0   0.000000
+2          1             2          2   total   0.0   0.000000
+4          1             3          2   total   0.0   0.000000
+6          1             4          2   total   0.0   0.000000
+8          1             5          2   total   0.0   0.000000
+10         1             6          2   total   0.0   0.000000
 beta
     material  delayedgroup  group in nuclide      mean  std. dev.
-1          1             1         1   total  0.000223   0.000009
-3          1             2         1   total  0.001375   0.000067
-5          1             3         1   total  0.001439   0.000076
-7          1             4         1   total  0.003724   0.000217
-9          1             5         1   total  0.002049   0.000142
-11         1             6         1   total  0.000840   0.000058
-0          1             1         2   total  0.000228   0.000008
-2          1             2         2   total  0.001175   0.000041
-4          1             3         2   total  0.001122   0.000040
-6          1             4         2   total  0.002516   0.000089
-8          1             5         2   total  0.001031   0.000036
-10         1             6         2   total  0.000432   0.000015
+1          1             1         1   total  0.000225   0.000006
+3          1             2         1   total  0.001359   0.000033
+5          1             3         1   total  0.001412   0.000034
+7          1             4         1   total  0.003611   0.000094
+9          1             5         1   total  0.001950   0.000064
+11         1             6         1   total  0.000801   0.000026
+0          1             1         2   total  0.000228   0.000019
+2          1             2         2   total  0.001175   0.000096
+4          1             3         2   total  0.001122   0.000092
+6          1             4         2   total  0.002516   0.000206
+8          1             5         2   total  0.001031   0.000085
+10         1             6         2   total  0.000432   0.000035
 decay-rate
    material  delayedgroup nuclide      mean  std. dev.
-0         1             1   total  0.013353   0.000379
-1         1             2   total  0.032612   0.001002
-2         1             3   total  0.121056   0.003938
-3         1             4   total  0.305642   0.010892
-4         1             5   total  0.860947   0.036893
-5         1             6   total  2.891708   0.122310
+0         1             1   total  0.013352   0.000905
+1         1             2   total  0.032619   0.002094
+2         1             3   total  0.121041   0.007464
+3         1             4   total  0.305491   0.017639
+4         1             5   total  0.860388   0.042833
+5         1             6   total  2.889807   0.145503
 delayed-nu-fission matrix
-    material  delayedgroup  group in  group out nuclide  mean  std. dev.
-3          1             1         1          1   total   0.0        0.0
-7          1             2         1          1   total   0.0        0.0
-11         1             3         1          1   total   0.0        0.0
-15         1             4         1          1   total   0.0        0.0
-19         1             5         1          1   total   0.0        0.0
-23         1             6         1          1   total   0.0        0.0
-2          1             1         1          2   total   0.0        0.0
-6          1             2         1          2   total   0.0        0.0
-10         1             3         1          2   total   0.0        0.0
-14         1             4         1          2   total   0.0        0.0
-18         1             5         1          2   total   0.0        0.0
-22         1             6         1          2   total   0.0        0.0
-1          1             1         2          1   total   0.0        0.0
-5          1             2         2          1   total   0.0        0.0
-9          1             3         2          1   total   0.0        0.0
-13         1             4         2          1   total   0.0        0.0
-17         1             5         2          1   total   0.0        0.0
-21         1             6         2          1   total   0.0        0.0
-0          1             1         2          2   total   0.0        0.0
-4          1             2         2          2   total   0.0        0.0
-8          1             3         2          2   total   0.0        0.0
-12         1             4         2          2   total   0.0        0.0
-16         1             5         2          2   total   0.0        0.0
-20         1             6         2          2   total   0.0        0.0
+    material  delayedgroup  group in  group out nuclide      mean  std. dev.
+3          1             1         1          1   total  0.000000   0.000000
+7          1             2         1          1   total  0.000000   0.000000
+11         1             3         1          1   total  0.000000   0.000000
+15         1             4         1          1   total  0.000207   0.000207
+19         1             5         1          1   total  0.000000   0.000000
+23         1             6         1          1   total  0.000000   0.000000
+2          1             1         1          2   total  0.000000   0.000000
+6          1             2         1          2   total  0.000000   0.000000
+10         1             3         1          2   total  0.000000   0.000000
+14         1             4         1          2   total  0.000000   0.000000
+18         1             5         1          2   total  0.000000   0.000000
+22         1             6         1          2   total  0.000000   0.000000
+1          1             1         2          1   total  0.000000   0.000000
+5          1             2         2          1   total  0.000000   0.000000
+9          1             3         2          1   total  0.000000   0.000000
+13         1             4         2          1   total  0.005002   0.001278
+17         1             5         2          1   total  0.000000   0.000000
+21         1             6         2          1   total  0.000000   0.000000
+0          1             1         2          2   total  0.000000   0.000000
+4          1             2         2          2   total  0.000000   0.000000
+8          1             3         2          2   total  0.000000   0.000000
+12         1             4         2          2   total  0.000000   0.000000
+16         1             5         2          2   total  0.000000   0.000000
+20         1             6         2          2   total  0.000000   0.000000
 total
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.313574   0.016009
-0         2         2   total  0.300858   0.005911
+1         2         1   total  0.320478   0.012201
+0         2         2   total  0.300681   0.029685
 transport
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.266154   0.017348
-0         2         2   total  0.300597   0.011062
+1         2         1   total  0.267653   0.015887
+0         2         2   total  0.327250   0.035614
 nu-transport
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.266154   0.017348
-0         2         2   total  0.300597   0.011062
+1         2         1   total  0.267653   0.015887
+0         2         2   total  0.327250   0.035614
 absorption
-   material  group in nuclide     mean  std. dev.
-1         2         1   total  0.00150   0.000118
-0         2         2   total  0.00542   0.000201
+   material  group in nuclide      mean  std. dev.
+1         2         1   total  0.001040   0.000121
+0         2         2   total  0.005284   0.000548
 reduced absorption
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.001481   0.000119
-0         2         2   total  0.005420   0.000201
+1         2         1   total  0.001040   0.000121
+0         2         2   total  0.005284   0.000548
 capture
-   material  group in nuclide     mean  std. dev.
-1         2         1   total  0.00150   0.000118
-0         2         2   total  0.00542   0.000201
+   material  group in nuclide      mean  std. dev.
+1         2         1   total  0.001040   0.000121
+0         2         2   total  0.005284   0.000548
 fission
    material  group in nuclide  mean  std. dev.
 1         2         1   total   0.0        0.0
@@ -342,18 +342,18 @@ kappa-fission
 0         2         2   total   0.0        0.0
 scatter
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.312074   0.015934
-0         2         2   total  0.295438   0.005743
+1         2         1   total  0.319438   0.012181
+0         2         2   total  0.295397   0.029142
 nu-scatter
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.318594   0.023203
-0         2         2   total  0.295662   0.031486
+1         2         1   total  0.314727   0.014272
+0         2         2   total  0.295807   0.038170
 scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         2         1          1       P0   total  0.318594   0.023203
-13         2         1          1       P1   total  0.047420   0.006684
-14         2         1          1       P2   total  0.029426   0.008048
-15         2         1          1       P3   total  0.007335   0.004092
+12         2         1          1       P0   total  0.314727   0.014272
+13         2         1          1       P1   total  0.052826   0.010175
+14         2         1          1       P2   total  0.033176   0.002264
+15         2         1          1       P3   total  0.006129   0.004317
 8          2         1          2       P0   total  0.000000   0.000000
 9          2         1          2       P1   total  0.000000   0.000000
 10         2         1          2       P2   total  0.000000   0.000000
@@ -362,16 +362,16 @@ scatter matrix
 5          2         2          1       P1   total  0.000000   0.000000
 6          2         2          1       P2   total  0.000000   0.000000
 7          2         2          1       P3   total  0.000000   0.000000
-0          2         2          2       P0   total  0.295662   0.031486
-1          2         2          2       P1   total  0.000261   0.009350
-2          2         2          2       P2   total -0.004912   0.007866
-3          2         2          2       P3   total -0.018278   0.012339
+0          2         2          2       P0   total  0.295807   0.038170
+1          2         2          2       P1   total -0.026569   0.019676
+2          2         2          2       P2   total -0.005395   0.007578
+3          2         2          2       P3   total -0.005680   0.012737
 nu-scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         2         1          1       P0   total  0.318594   0.023203
-13         2         1          1       P1   total  0.047420   0.006684
-14         2         1          1       P2   total  0.029426   0.008048
-15         2         1          1       P3   total  0.007335   0.004092
+12         2         1          1       P0   total  0.314727   0.014272
+13         2         1          1       P1   total  0.052826   0.010175
+14         2         1          1       P2   total  0.033176   0.002264
+15         2         1          1       P3   total  0.006129   0.004317
 8          2         1          2       P0   total  0.000000   0.000000
 9          2         1          2       P1   total  0.000000   0.000000
 10         2         1          2       P2   total  0.000000   0.000000
@@ -380,16 +380,16 @@ nu-scatter matrix
 5          2         2          1       P1   total  0.000000   0.000000
 6          2         2          1       P2   total  0.000000   0.000000
 7          2         2          1       P3   total  0.000000   0.000000
-0          2         2          2       P0   total  0.295662   0.031486
-1          2         2          2       P1   total  0.000261   0.009350
-2          2         2          2       P2   total -0.004912   0.007866
-3          2         2          2       P3   total -0.018278   0.012339
+0          2         2          2       P0   total  0.295807   0.038170
+1          2         2          2       P1   total -0.026569   0.019676
+2          2         2          2       P2   total -0.005395   0.007578
+3          2         2          2       P3   total -0.005680   0.012737
 multiplicity matrix
    material  group in  group out nuclide  mean  std. dev.
-3         2         1          1   total   1.0   0.071770
+3         2         1          1   total   1.0   0.043852
 2         2         1          2   total   0.0   0.000000
 1         2         2          1   total   0.0   0.000000
-0         2         2          2   total   1.0   0.103652
+0         2         2          2   total   1.0   0.139361
 nu-fission matrix
    material  group in  group out nuclide  mean  std. dev.
 3         2         1          1   total   0.0        0.0
@@ -398,16 +398,16 @@ nu-fission matrix
 0         2         2          2   total   0.0        0.0
 scatter probability matrix
    material  group in  group out nuclide  mean  std. dev.
-3         2         1          1   total   1.0   0.071770
+3         2         1          1   total   1.0   0.043852
 2         2         1          2   total   0.0   0.000000
 1         2         2          1   total   0.0   0.000000
-0         2         2          2   total   1.0   0.103652
+0         2         2          2   total   1.0   0.139361
 consistent scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         2         1          1       P0   total  0.312074   0.027487
-13         2         1          1       P1   total  0.046450   0.006939
-14         2         1          1       P2   total  0.028824   0.008012
-15         2         1          1       P3   total  0.007185   0.004024
+12         2         1          1       P0   total  0.319438   0.018563
+13         2         1          1       P1   total  0.053616   0.010510
+14         2         1          1       P2   total  0.033673   0.002604
+15         2         1          1       P3   total  0.006221   0.004387
 8          2         1          2       P0   total  0.000000   0.000000
 9          2         1          2       P1   total  0.000000   0.000000
 10         2         1          2       P2   total  0.000000   0.000000
@@ -416,16 +416,16 @@ consistent scatter matrix
 5          2         2          1       P1   total  0.000000   0.000000
 6          2         2          1       P2   total  0.000000   0.000000
 7          2         2          1       P3   total  0.000000   0.000000
-0          2         2          2       P0   total  0.295438   0.031157
-1          2         2          2       P1   total  0.000261   0.009343
-2          2         2          2       P2   total -0.004909   0.007859
-3          2         2          2       P3   total -0.018264   0.012327
+0          2         2          2       P0   total  0.295397   0.050438
+1          2         2          2       P1   total -0.026532   0.019872
+2          2         2          2       P2   total -0.005388   0.007591
+3          2         2          2       P3   total -0.005672   0.012735
 consistent nu-scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         2         1          1       P0   total  0.312074   0.035456
-13         2         1          1       P1   total  0.046450   0.007699
-14         2         1          1       P2   total  0.028824   0.008274
-15         2         1          1       P3   total  0.007185   0.004057
+12         2         1          1       P0   total  0.319438   0.023255
+13         2         1          1       P1   total  0.053616   0.010769
+14         2         1          1       P2   total  0.033673   0.002993
+15         2         1          1       P3   total  0.006221   0.004396
 8          2         1          2       P0   total  0.000000   0.000000
 9          2         1          2       P1   total  0.000000   0.000000
 10         2         1          2       P2   total  0.000000   0.000000
@@ -434,10 +434,10 @@ consistent nu-scatter matrix
 5          2         2          1       P1   total  0.000000   0.000000
 6          2         2          1       P2   total  0.000000   0.000000
 7          2         2          1       P3   total  0.000000   0.000000
-0          2         2          2       P0   total  0.295438   0.043686
-1          2         2          2       P1   total  0.000261   0.009343
-2          2         2          2       P2   total -0.004909   0.007876
-3          2         2          2       P3   total -0.018264   0.012471
+0          2         2          2       P0   total  0.295397   0.065105
+1          2         2          2       P1   total -0.026532   0.020213
+2          2         2          2       P2   total -0.005388   0.007628
+3          2         2          2       P3   total -0.005672   0.012759
 chi
    material  group out nuclide  mean  std. dev.
 1         2          1   total   0.0        0.0
@@ -448,8 +448,8 @@ chi-prompt
 0         2          2   total   0.0        0.0
 inverse-velocity
    material  group in nuclide          mean     std. dev.
-1         2         1   total  6.076563e-08  2.727519e-09
-0         2         2   total  2.996176e-06  1.110139e-07
+1         2         1   total  6.068670e-08  4.861582e-09
+0         2         2   total  2.921021e-06  3.028269e-07
 prompt-nu-fission
    material  group in nuclide  mean  std. dev.
 1         2         1   total   0.0        0.0
@@ -462,72 +462,72 @@ prompt-nu-fission matrix
 0         2         2          2   total   0.0        0.0
 diffusion-coefficient
    material  group in nuclide      mean  std. dev.
-1         2         1   total  1.252406   0.081631
-0         2         2   total  1.108904   0.040809
+1         2         1   total  1.245396   0.073923
+0         2         2   total  1.018589   0.110853
 nu-diffusion-coefficient
    material  group in nuclide      mean  std. dev.
-1         2         1   total  1.252406   0.081631
-0         2         2   total  1.108904   0.040809
+1         2         1   total  1.245396   0.073923
+0         2         2   total  1.018589   0.110853
 (n,elastic)
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.302664   0.015531
-0         2         2   total  0.295438   0.005743
+1         2         1   total  0.310592   0.012188
+0         2         2   total  0.295397   0.029142
 (n,level)
    material  group in nuclide  mean  std. dev.
 1         2         1   total   0.0        0.0
 0         2         2   total   0.0        0.0
 (n,2n)
-   material  group in nuclide      mean  std. dev.
-1         2         1   total  0.000019   0.000017
-0         2         2   total  0.000000   0.000000
+   material  group in nuclide  mean  std. dev.
+1         2         1   total   0.0        0.0
+0         2         2   total   0.0        0.0
 (n,na)
    material  group in nuclide          mean     std. dev.
-1         2         1   total  4.892570e-09  4.436228e-09
+1         2         1   total  2.157338e-13  1.864239e-13
 0         2         2   total  0.000000e+00  0.000000e+00
 (n,nc)
-   material  group in nuclide      mean  std. dev.
-1         2         1   total  0.001998   0.000408
-0         2         2   total  0.000000   0.000000
+   material  group in nuclide     mean  std. dev.
+1         2         1   total  0.00187   0.000152
+0         2         2   total  0.00000   0.000000
 (n,gamma)
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.001497   0.000118
-0         2         2   total  0.005419   0.000201
+1         2         1   total  0.001038   0.000121
+0         2         2   total  0.005283   0.000548
 (n,a)
    material  group in nuclide          mean     std. dev.
-1         2         1   total  9.546292e-07  9.180854e-08
-0         2         2   total  2.736059e-07  5.318732e-09
+1         2         1   total  7.402079e-07  3.197538e-08
+0         2         2   total  2.735682e-07  2.698845e-08
 (n,Xa)
    material  group in nuclide          mean     std. dev.
-1         2         1   total  9.595218e-07  9.558005e-08
-0         2         2   total  2.736059e-07  5.318732e-09
+1         2         1   total  7.402081e-07  3.197534e-08
+0         2         2   total  2.735682e-07  2.698845e-08
 heating
    material  group in nuclide         mean   std. dev.
-1         2         1   total  2551.878627  212.765665
-0         2         2   total     2.332139    0.087384
+1         2         1   total  2479.710231  157.161879
+0         2         2   total     2.314706    0.265682
 damage-energy
-   material  group in nuclide         mean   std. dev.
-1         2         1   total  1585.677533  130.382718
-0         2         2   total     0.295108    0.010079
+   material  group in nuclide         mean  std. dev.
+1         2         1   total  1566.139383  61.602407
+0         2         2   total     0.288739   0.029698
 (n,n1)
    material  group in nuclide      mean  std. dev.
-1         2         1   total  0.002835   0.000246
+1         2         1   total  0.002897   0.000181
 0         2         2   total  0.000000   0.000000
 (n,a0)
    material  group in nuclide          mean     std. dev.
-1         2         1   total  7.169006e-07  6.251188e-08
-0         2         2   total  2.733303e-07  5.313375e-09
+1         2         1   total  6.646569e-07  2.959064e-08
+0         2         2   total  2.732927e-07  2.696126e-08
 (n,nc) matrix
    material  group in  group out nuclide      mean  std. dev.
-3         2         1          1   total  0.001489   0.001491
+3         2         1          1   total  0.000488   0.000488
 2         2         1          2   total  0.000000   0.000000
 1         2         2          1   total  0.000000   0.000000
 0         2         2          2   total  0.000000   0.000000
 (n,n1) matrix
-   material  group in  group out nuclide      mean  std. dev.
-3         2         1          1   total  0.001985   0.000507
-2         2         1          2   total  0.000000   0.000000
-1         2         2          1   total  0.000000   0.000000
-0         2         2          2   total  0.000000   0.000000
+   material  group in  group out nuclide     mean  std. dev.
+3         2         1          1   total  0.00244   0.001094
+2         2         1          2   total  0.00000   0.000000
+1         2         2          1   total  0.00000   0.000000
+0         2         2          2   total  0.00000   0.000000
 (n,2n) matrix
    material  group in  group out nuclide  mean  std. dev.
 3         2         1          1   total   0.0        0.0
@@ -612,28 +612,28 @@ delayed-nu-fission matrix
 20         2             6         2          2   total   0.0        0.0
 total
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.682896   0.024140
-0         3         2   total  2.032938   0.085675
+1         3         1   total  0.692034   0.019973
+0         3         2   total  2.033425   0.189463
 transport
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.298986   0.026905
-0         3         2   total  1.471887   0.096907
+1         3         1   total  0.298754   0.021602
+0         3         2   total  1.459465   0.197868
 nu-transport
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.298986   0.026905
-0         3         2   total  1.471887   0.096907
+1         3         1   total  0.298754   0.021602
+0         3         2   total  1.459465   0.197868
 absorption
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000693   0.000020
-0         3         2   total  0.031171   0.001403
+1         3         1   total  0.000699   0.000035
+0         3         2   total  0.031056   0.003017
 reduced absorption
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000693   0.000020
-0         3         2   total  0.031171   0.001403
+1         3         1   total  0.000699   0.000035
+0         3         2   total  0.031056   0.003017
 capture
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000693   0.000020
-0         3         2   total  0.031171   0.001403
+1         3         1   total  0.000699   0.000035
+0         3         2   total  0.031056   0.003017
 fission
    material  group in nuclide  mean  std. dev.
 1         3         1   total   0.0        0.0
@@ -648,54 +648,54 @@ kappa-fission
 0         3         2   total   0.0        0.0
 scatter
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.682202   0.024123
-0         3         2   total  2.001768   0.084281
+1         3         1   total  0.691336   0.019945
+0         3         2   total  2.002368   0.186454
 nu-scatter
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.672567   0.017434
-0         3         2   total  2.004576   0.129211
+1         3         1   total  0.684356   0.011639
+0         3         2   total  1.990840   0.178205
 scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         3         1          1       P0   total  0.641741   0.016600
-13         3         1          1       P1   total  0.383841   0.011878
-14         3         1          1       P2   total  0.149909   0.005512
-15         3         1          1       P3   total  0.004238   0.002485
-8          3         1          2       P0   total  0.030826   0.000973
-9          3         1          2       P1   total  0.009943   0.000415
-10         3         1          2       P2   total -0.003002   0.000628
-11         3         1          2       P3   total -0.004234   0.000393
-4          3         2          1       P0   total  0.000467   0.000467
-5          3         2          1       P1   total  0.000345   0.000345
-6          3         2          1       P2   total  0.000149   0.000149
-7          3         2          1       P3   total -0.000047   0.000047
-0          3         2          2       P0   total  2.004109   0.129225
-1          3         2          2       P1   total  0.511363   0.043448
-2          3         2          2       P2   total  0.108599   0.014070
-3          3         2          2       P3   total  0.035733   0.021921
+12         3         1          1       P0   total  0.652706   0.011111
+13         3         1          1       P1   total  0.393203   0.008164
+14         3         1          1       P2   total  0.162146   0.003332
+15         3         1          1       P3   total  0.014967   0.004773
+8          3         1          2       P0   total  0.031650   0.000613
+9          3         1          2       P1   total  0.009845   0.000647
+10         3         1          2       P2   total -0.003284   0.000758
+11         3         1          2       P3   total -0.003971   0.000187
+4          3         2          1       P0   total  0.000474   0.000475
+5          3         2          1       P1   total  0.000396   0.000397
+6          3         2          1       P2   total  0.000260   0.000261
+7          3         2          1       P3   total  0.000099   0.000099
+0          3         2          2       P0   total  1.990366   0.178042
+1          3         2          2       P1   total  0.523546   0.053239
+2          3         2          2       P2   total  0.101180   0.015832
+3          3         2          2       P3   total  0.017873   0.005685
 nu-scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         3         1          1       P0   total  0.641741   0.016600
-13         3         1          1       P1   total  0.383841   0.011878
-14         3         1          1       P2   total  0.149909   0.005512
-15         3         1          1       P3   total  0.004238   0.002485
-8          3         1          2       P0   total  0.030826   0.000973
-9          3         1          2       P1   total  0.009943   0.000415
-10         3         1          2       P2   total -0.003002   0.000628
-11         3         1          2       P3   total -0.004234   0.000393
-4          3         2          1       P0   total  0.000467   0.000467
-5          3         2          1       P1   total  0.000345   0.000345
-6          3         2          1       P2   total  0.000149   0.000149
-7          3         2          1       P3   total -0.000047   0.000047
-0          3         2          2       P0   total  2.004109   0.129225
-1          3         2          2       P1   total  0.511363   0.043448
-2          3         2          2       P2   total  0.108599   0.014070
-3          3         2          2       P3   total  0.035733   0.021921
+12         3         1          1       P0   total  0.652706   0.011111
+13         3         1          1       P1   total  0.393203   0.008164
+14         3         1          1       P2   total  0.162146   0.003332
+15         3         1          1       P3   total  0.014967   0.004773
+8          3         1          2       P0   total  0.031650   0.000613
+9          3         1          2       P1   total  0.009845   0.000647
+10         3         1          2       P2   total -0.003284   0.000758
+11         3         1          2       P3   total -0.003971   0.000187
+4          3         2          1       P0   total  0.000474   0.000475
+5          3         2          1       P1   total  0.000396   0.000397
+6          3         2          1       P2   total  0.000260   0.000261
+7          3         2          1       P3   total  0.000099   0.000099
+0          3         2          2       P0   total  1.990366   0.178042
+1          3         2          2       P1   total  0.523546   0.053239
+2          3         2          2       P2   total  0.101180   0.015832
+3          3         2          2       P3   total  0.017873   0.005685
 multiplicity matrix
    material  group in  group out nuclide  mean  std. dev.
-3         3         1          1   total   1.0   0.022200
-2         3         1          2   total   1.0   0.033880
+3         3         1          1   total   1.0   0.020267
+2         3         1          2   total   1.0   0.024112
 1         3         2          1   total   1.0   1.414214
-0         3         2          2   total   1.0   0.066922
+0         3         2          2   total   1.0   0.093189
 nu-fission matrix
    material  group in  group out nuclide  mean  std. dev.
 3         3         1          1   total   0.0        0.0
@@ -704,46 +704,46 @@ nu-fission matrix
 0         3         2          2   total   0.0        0.0
 scatter probability matrix
    material  group in  group out nuclide      mean  std. dev.
-3         3         1          1   total  0.954167   0.020729
-2         3         1          2   total  0.045833   0.001296
-1         3         2          1   total  0.000233   0.000233
-0         3         2          2   total  0.999767   0.066899
+3         3         1          1   total  0.953753   0.018903
+2         3         1          2   total  0.046247   0.001011
+1         3         2          1   total  0.000238   0.000239
+0         3         2          2   total  0.999762   0.093156
 consistent scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         3         1          1       P0   total  0.650935   0.027014
-13         3         1          1       P1   total  0.389340   0.017459
-14         3         1          1       P2   total  0.152056   0.007457
-15         3         1          1       P3   total  0.004299   0.002525
-8          3         1          2       P0   total  0.031268   0.001416
-9          3         1          2       P1   total  0.010085   0.000533
-10         3         1          2       P2   total -0.003045   0.000645
-11         3         1          2       P3   total -0.004295   0.000423
-4          3         2          1       P0   total  0.000466   0.000467
-5          3         2          1       P1   total  0.000344   0.000345
-6          3         2          1       P2   total  0.000148   0.000149
-7          3         2          1       P3   total -0.000047   0.000047
-0          3         2          2       P0   total  2.001301   0.158219
-1          3         2          2       P1   total  0.510647   0.049275
-2          3         2          2       P2   total  0.108446   0.014900
-3          3         2          2       P3   total  0.035683   0.021951
+12         3         1          1       P0   total  0.659363   0.023079
+13         3         1          1       P1   total  0.397213   0.014683
+14         3         1          1       P2   total  0.163800   0.006035
+15         3         1          1       P3   total  0.015120   0.004843
+8          3         1          2       P0   total  0.031973   0.001157
+9          3         1          2       P1   total  0.009945   0.000721
+10         3         1          2       P2   total -0.003318   0.000772
+11         3         1          2       P3   total -0.004011   0.000225
+4          3         2          1       P0   total  0.000477   0.000480
+5          3         2          1       P1   total  0.000399   0.000401
+6          3         2          1       P2   total  0.000262   0.000264
+7          3         2          1       P3   total  0.000099   0.000100
+0          3         2          2       P0   total  2.001892   0.263710
+1          3         2          2       P1   total  0.526577   0.073894
+2          3         2          2       P2   total  0.101766   0.018719
+3          3         2          2       P3   total  0.017976   0.005976
 consistent nu-scatter matrix
     material  group in  group out legendre nuclide      mean  std. dev.
-12         3         1          1       P0   total  0.650935   0.030637
-13         3         1          1       P1   total  0.389340   0.019481
-14         3         1          1       P2   total  0.152056   0.008185
-15         3         1          1       P3   total  0.004299   0.002526
-8          3         1          2       P0   total  0.031268   0.001768
-9          3         1          2       P1   total  0.010085   0.000633
-10         3         1          2       P2   total -0.003045   0.000653
-11         3         1          2       P3   total -0.004295   0.000447
-4          3         2          1       P0   total  0.000466   0.000808
-5          3         2          1       P1   total  0.000344   0.000597
-6          3         2          1       P2   total  0.000148   0.000257
-7          3         2          1       P3   total -0.000047   0.000081
-0          3         2          2       P0   total  2.001301   0.207294
-1          3         2          2       P1   total  0.510647   0.059966
-2          3         2          2       P2   total  0.108446   0.016574
-3          3         2          2       P3   total  0.035683   0.022080
+12         3         1          1       P0   total  0.659363   0.026669
+13         3         1          1       P1   total  0.397213   0.016746
+14         3         1          1       P2   total  0.163800   0.006888
+15         3         1          1       P3   total  0.015120   0.004853
+8          3         1          2       P0   total  0.031973   0.001391
+9          3         1          2       P1   total  0.009945   0.000759
+10         3         1          2       P2   total -0.003318   0.000776
+11         3         1          2       P3   total -0.004011   0.000245
+4          3         2          1       P0   total  0.000477   0.000827
+5          3         2          1       P1   total  0.000399   0.000692
+6          3         2          1       P2   total  0.000262   0.000455
+7          3         2          1       P3   total  0.000099   0.000172
+0          3         2          2       P0   total  2.001892   0.323026
+1          3         2          2       P1   total  0.526577   0.088703
+2          3         2          2       P2   total  0.101766   0.020985
+3          3         2          2       P3   total  0.017976   0.006207
 chi
    material  group out nuclide  mean  std. dev.
 1         3          1   total   0.0        0.0
@@ -754,8 +754,8 @@ chi-prompt
 0         3          2   total   0.0        0.0
 inverse-velocity
    material  group in nuclide          mean     std. dev.
-1         3         1   total  6.023693e-08  1.678511e-09
-0         3         2   total  2.995346e-06  1.347817e-07
+1         3         1   total  6.187551e-08  3.945367e-09
+0         3         2   total  2.984343e-06  2.898715e-07
 prompt-nu-fission
    material  group in nuclide  mean  std. dev.
 1         3         1   total   0.0        0.0
@@ -768,60 +768,60 @@ prompt-nu-fission matrix
 0         3         2          2   total   0.0        0.0
 diffusion-coefficient
    material  group in nuclide      mean  std. dev.
-1         3         1   total  1.114881   0.100326
-0         3         2   total  0.226467   0.014910
+1         3         1   total  1.115746   0.080676
+0         3         2   total  0.228394   0.030965
 nu-diffusion-coefficient
    material  group in nuclide      mean  std. dev.
-1         3         1   total  1.114881   0.100326
-0         3         2   total  0.226467   0.014910
+1         3         1   total  1.115746   0.080676
+0         3         2   total  0.228394   0.030965
 (n,elastic)
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.682168   0.024125
-0         3         2   total  2.001768   0.084281
+1         3         1   total  0.691333   0.019945
+0         3         2   total  2.002368   0.186454
 (n,level)
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000033   0.000019
+1         3         1   total  0.000003   0.000002
 0         3         2   total  0.000000   0.000000
 (n,2n)
    material  group in nuclide  mean  std. dev.
 1         3         1   total   0.0        0.0
 0         3         2   total   0.0        0.0
 (n,na)
-   material  group in nuclide          mean     std. dev.
-1         3         1   total  9.967562e-07  9.970492e-07
-0         3         2   total  0.000000e+00  0.000000e+00
+   material  group in nuclide  mean  std. dev.
+1         3         1   total   0.0        0.0
+0         3         2   total   0.0        0.0
 (n,nc)
-   material  group in nuclide          mean     std. dev.
-1         3         1   total  8.867935e-07  8.870902e-07
-0         3         2   total  0.000000e+00  0.000000e+00
+   material  group in nuclide  mean  std. dev.
+1         3         1   total   0.0        0.0
+0         3         2   total   0.0        0.0
 (n,gamma)
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000219   0.000006
-0         3         2   total  0.010855   0.000488
+1         3         1   total  0.000225   0.000014
+0         3         2   total  0.010815   0.001050
 (n,a)
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000474   0.000015
-0         3         2   total  0.020316   0.000914
+1         3         1   total  0.000474   0.000021
+0         3         2   total  0.020241   0.001966
 (n,Xa)
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000475   0.000015
-0         3         2   total  0.020316   0.000914
+1         3         1   total  0.000474   0.000021
+0         3         2   total  0.020242   0.001966
 heating
    material  group in nuclide          mean    std. dev.
-1         3         1   total  77986.174023  6103.108384
-0         3         2   total  59060.658662  3576.641806
+1         3         1   total  74978.139095  3970.725596
+0         3         2   total  58539.697122  6443.645451
 damage-energy
    material  group in nuclide         mean  std. dev.
-1         3         1   total  1107.847239  59.901669
-0         3         2   total   331.691439  14.926212
+1         3         1   total  1161.596397  41.187452
+0         3         2   total   330.473159  32.100259
 (n,n1)
-   material  group in nuclide      mean     std. dev.
-1         3         1   total  0.000001  3.988839e-07
-0         3         2   total  0.000000  0.000000e+00
+   material  group in nuclide          mean     std. dev.
+1         3         1   total  2.912377e-07  3.897408e-08
+0         3         2   total  0.000000e+00  0.000000e+00
 (n,a0)
    material  group in nuclide      mean  std. dev.
-1         3         1   total  0.000084   0.000016
-0         3         2   total  0.001278   0.000058
+1         3         1   total  0.000082   0.000009
+0         3         2   total  0.001273   0.000124
 (n,nc) matrix
    material  group in  group out nuclide  mean  std. dev.
 3         3         1          1   total   0.0        0.0
diff --git a/tests/regression_tests/mgxs_library_nuclides/results_true.dat b/tests/regression_tests/mgxs_library_nuclides/results_true.dat
index c2188997d..c05ec9b48 100644
--- a/tests/regression_tests/mgxs_library_nuclides/results_true.dat
+++ b/tests/regression_tests/mgxs_library_nuclides/results_true.dat
@@ -1 +1 @@
-4ae3b5a70ad72b1be261aee3ab19e0261d1c12f4d4ca50b712d1ba76041bd5387c69fa9fa326619ad588db206cd9aaf464b0025d71ea9b8b1137af0102bca87f
\ No newline at end of file
+d1e4ab2c0d85bb5da617db9c7a3731494114e2fd3ba75ae8eaa1f0a36648f73fcbcfb487390789b0124719cabdcbfa84af4bb118f11bdc548d1065e1b5af836a
\ No newline at end of file
diff --git a/tests/regression_tests/mgxs_library_specific_nuclides/results_true.dat b/tests/regression_tests/mgxs_library_specific_nuclides/results_true.dat
index eaf56b966..0c44eb132 100644
--- a/tests/regression_tests/mgxs_library_specific_nuclides/results_true.dat
+++ b/tests/regression_tests/mgxs_library_specific_nuclides/results_true.dat
@@ -1 +1 @@
-08d5c199c51496f86fdd739bf7ee0e143a9a159da0f4d364ec970557e5c1fc92a202d906dcae91812e665fd2e88dd7db1e4913ef6b91f456f23b52093c83f483
\ No newline at end of file
+efcd9fd6be2ed6c98bbe5279cbacdb287597fcbbc4ed49e164b07e0861f28877b1bef2ad82d70fdac95965f7ed0d0990f77c8545718836b1b55a16b4243208d0
\ No newline at end of file
diff --git a/tests/regression_tests/microxs/test_reference_materials_direct.csv b/tests/regression_tests/microxs/test_reference_materials_direct.csv
index 3259d0151..4a63fed85 100644
--- a/tests/regression_tests/microxs/test_reference_materials_direct.csv
+++ b/tests/regression_tests/microxs/test_reference_materials_direct.csv
@@ -1,7 +1,7 @@
 nuclides,reactions,groups,xs
-U235,"(n,gamma)",1,0.14765501510184456
-U235,fission,1,1.2517200956290817
-O16,"(n,gamma)",1,0.00010872314985710938
+U235,"(n,gamma)",1,0.1475718536187164
+U235,fission,1,1.2504996049257149
+O16,"(n,gamma)",1,0.00010981236259441559
 O16,fission,1,0.0
-Xe135,"(n,gamma)",1,0.014333667335215764
+Xe135,"(n,gamma)",1,0.014570546772870611
 Xe135,fission,1,0.0
diff --git a/tests/regression_tests/microxs/test_reference_materials_flux.csv b/tests/regression_tests/microxs/test_reference_materials_flux.csv
index 5023e0d0e..5eb29902e 100644
--- a/tests/regression_tests/microxs/test_reference_materials_flux.csv
+++ b/tests/regression_tests/microxs/test_reference_materials_flux.csv
@@ -1,7 +1,7 @@
 nuclides,reactions,groups,xs
-U235,"(n,gamma)",1,0.15018326758942505
-U235,fission,1,1.2603151141390958
-O16,"(n,gamma)",1,0.00012159621938463765
+U235,"(n,gamma)",1,0.15003016703758473
+U235,fission,1,1.2646269005413537
+O16,"(n,gamma)",1,0.00012069778439640301
 O16,fission,1,0.0
-Xe135,"(n,gamma)",1,0.015180177095633546
+Xe135,"(n,gamma)",1,0.014820264774863562
 Xe135,fission,1,0.0
diff --git a/tests/regression_tests/microxs/test_reference_mesh_direct.csv b/tests/regression_tests/microxs/test_reference_mesh_direct.csv
index bd07a3237..60160ee51 100644
--- a/tests/regression_tests/microxs/test_reference_mesh_direct.csv
+++ b/tests/regression_tests/microxs/test_reference_mesh_direct.csv
@@ -1,7 +1,7 @@
 nuclides,reactions,groups,xs
-U235,"(n,gamma)",1,0.14765501510184456
-U235,fission,1,1.2517200956290815
-O16,"(n,gamma)",1,0.00010872314985710936
+U235,"(n,gamma)",1,0.14757185361871633
+U235,fission,1,1.2504996049257142
+O16,"(n,gamma)",1,0.0001098123625944155
 O16,fission,1,0.0
-Xe135,"(n,gamma)",1,0.014333667335215761
+Xe135,"(n,gamma)",1,0.0145705467728706
 Xe135,fission,1,0.0
diff --git a/tests/regression_tests/microxs/test_reference_mesh_flux.csv b/tests/regression_tests/microxs/test_reference_mesh_flux.csv
index d946ada80..5eb29902e 100644
--- a/tests/regression_tests/microxs/test_reference_mesh_flux.csv
+++ b/tests/regression_tests/microxs/test_reference_mesh_flux.csv
@@ -1,7 +1,7 @@
 nuclides,reactions,groups,xs
-U235,"(n,gamma)",1,0.15018326758942507
-U235,fission,1,1.2603151141390958
-O16,"(n,gamma)",1,0.00012159621938463766
+U235,"(n,gamma)",1,0.15003016703758473
+U235,fission,1,1.2646269005413537
+O16,"(n,gamma)",1,0.00012069778439640301
 O16,fission,1,0.0
-Xe135,"(n,gamma)",1,0.015180177095633546
+Xe135,"(n,gamma)",1,0.014820264774863562
 Xe135,fission,1,0.0
diff --git a/tests/regression_tests/multipole/results_true.dat b/tests/regression_tests/multipole/results_true.dat
index 8eb75b894..40b42b1a0 100644
--- a/tests/regression_tests/multipole/results_true.dat
+++ b/tests/regression_tests/multipole/results_true.dat
@@ -1,36 +1,36 @@
 k-combined:
-1.354889E+00 8.437211E-03
+1.315804E+00 7.070811E-02
 tally 1:
-3.869969E+00
-3.000421E+00
-2.800393E+00
-1.570851E+00
-5.399091E-01
-5.842233E-02
-4.577147E-01
-4.203362E-02
+3.840178E+00
+2.953217E+00
+2.769369E+00
+1.535605E+00
+5.400560E-01
+5.840168E-02
+4.595308E-01
+4.237758E-02
 0.000000E+00
 0.000000E+00
-2.286465E+01
-1.045869E+02
+2.283789E+01
+1.044032E+02
 0.000000E+00
 0.000000E+00
-6.971793E-04
-9.724819E-08
-2.283955E+01
-1.043576E+02
-4.659256E-06
-2.170865E-11
-3.663230E+02
-2.685383E+04
-2.800393E+00
-1.570851E+00
-2.204999E+00
-9.728014E-01
-3.612213E+02
-2.611152E+04
-4.659256E-06
-2.170865E-11
+6.960971E-04
+9.704386E-08
+2.281620E+01
+1.042051E+02
+3.667073E-05
+1.048567E-09
+3.655557E+02
+2.676173E+04
+2.769369E+00
+1.535605E+00
+2.199058E+00
+9.681253E-01
+3.604950E+02
+2.602657E+04
+3.667073E-05
+1.048567E-09
 Cell
 	ID             =	11
 	Name           =	
diff --git a/tests/regression_tests/output/results_true.dat b/tests/regression_tests/output/results_true.dat
index bbf03de94..97b997ae6 100644
--- a/tests/regression_tests/output/results_true.dat
+++ b/tests/regression_tests/output/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
diff --git a/tests/regression_tests/particle_restart_eigval/results_true.dat b/tests/regression_tests/particle_restart_eigval/results_true.dat
index bd81920ca..3feeb5e74 100644
--- a/tests/regression_tests/particle_restart_eigval/results_true.dat
+++ b/tests/regression_tests/particle_restart_eigval/results_true.dat
@@ -1,16 +1,16 @@
 current batch:
-1.100000E+01
+8.000000E+00
 current generation:
 1.000000E+00
 particle id:
-2.540000E+02
+6.000000E+01
 run mode:
 eigenvalue
 particle weight:
 1.000000E+00
 particle energy:
-2.220048E+06
+2.028153E+06
 particle xyz:
--4.820850E+01 2.432936E+01 4.397668E+01
+-3.678172E+01 -6.073321E+01 2.756488E+01
 particle uvw:
--3.148565E-01 9.184190E-01 2.395245E-01
+-3.284774E-01 -8.920284E-01 3.104639E-01
diff --git a/tests/regression_tests/particle_restart_eigval/settings.xml b/tests/regression_tests/particle_restart_eigval/settings.xml
index 64b1a4dd4..de580e4c4 100644
--- a/tests/regression_tests/particle_restart_eigval/settings.xml
+++ b/tests/regression_tests/particle_restart_eigval/settings.xml
@@ -6,7 +6,7 @@
   <batches>12</batches>
   <inactive>5</inactive>
   <particles>1200</particles>
-
+  <max_lost_particles>1000000</max_lost_particles>
   <source>
     <space type="box">
       <parameters>-10 -10 -5  10  10  5</parameters>
diff --git a/tests/regression_tests/particle_restart_eigval/test.py b/tests/regression_tests/particle_restart_eigval/test.py
index f9d22edb8..bad3f158c 100644
--- a/tests/regression_tests/particle_restart_eigval/test.py
+++ b/tests/regression_tests/particle_restart_eigval/test.py
@@ -2,5 +2,5 @@ from tests.testing_harness import ParticleRestartTestHarness
 
 
 def test_particle_restart_eigval():
-    harness = ParticleRestartTestHarness('particle_11_254.h5')
+    harness = ParticleRestartTestHarness('particle_8_60.h5')
     harness.main()
diff --git a/tests/regression_tests/periodic/results_true.dat b/tests/regression_tests/periodic/results_true.dat
index 2189597e1..626004b16 100644
--- a/tests/regression_tests/periodic/results_true.dat
+++ b/tests/regression_tests/periodic/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.623300E+00 2.572983E-02
+1.624889E+00 1.108153E-02
diff --git a/tests/regression_tests/periodic_6fold/results_true.dat b/tests/regression_tests/periodic_6fold/results_true.dat
index e60182809..04aa30878 100644
--- a/tests/regression_tests/periodic_6fold/results_true.dat
+++ b/tests/regression_tests/periodic_6fold/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.858730E+00 6.824588E-03
+1.848492E+00 2.933785E-03
diff --git a/tests/regression_tests/periodic_hex/results_true.dat b/tests/regression_tests/periodic_hex/results_true.dat
index 584089a15..eff00b6e1 100644
--- a/tests/regression_tests/periodic_hex/results_true.dat
+++ b/tests/regression_tests/periodic_hex/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.284468E+00 2.781588E-02
+2.285622E+00 2.576768E-03
diff --git a/tests/regression_tests/photon_production_fission/results_true.dat b/tests/regression_tests/photon_production_fission/results_true.dat
index b17b3621a..af325d4b0 100644
--- a/tests/regression_tests/photon_production_fission/results_true.dat
+++ b/tests/regression_tests/photon_production_fission/results_true.dat
@@ -1,12 +1,12 @@
 k-combined:
-2.278476E+00 6.220292E-02
+2.297165E+00 1.955494E-02
 tally 1:
-2.664071E+00
-2.369250E+00
+2.696393E+00
+2.423937E+00
 0.000000E+00
 0.000000E+00
-2.664071E+00
-2.369250E+00
+2.696393E+00
+2.423937E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -18,52 +18,52 @@ tally 1:
 0.000000E+00
 0.000000E+00
 tally 2:
-2.640755E+00
-2.326201E+00
-4.245217E+08
-6.012128E+16
+2.672029E+00
+2.380251E+00
+4.288244E+08
+6.130569E+16
 0.000000E+00
 0.000000E+00
-2.640755E+00
-2.326201E+00
-4.245217E+08
-6.012128E+16
+2.672029E+00
+2.380251E+00
+4.288244E+08
+6.130569E+16
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.675918E+05
-9.365733E+09
+1.711908E+05
+9.769096E+09
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.675918E+05
-9.365733E+09
+1.711908E+05
+9.769096E+09
 0.000000E+00
 0.000000E+00
 tally 3:
-2.657846E+00
-2.354717E+00
-4.245217E+08
-6.012128E+16
+2.649127E+00
+2.339294E+00
+4.288244E+08
+6.130569E+16
 0.000000E+00
 0.000000E+00
-2.657846E+00
-2.354717E+00
-4.245217E+08
-6.012128E+16
+2.649127E+00
+2.339294E+00
+4.288244E+08
+6.130569E+16
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.675918E+05
-9.365733E+09
+1.711908E+05
+9.769096E+09
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.675918E+05
-9.365733E+09
+1.711908E+05
+9.769096E+09
 0.000000E+00
 0.000000E+00
diff --git a/tests/regression_tests/ptables_off/results_true.dat b/tests/regression_tests/ptables_off/results_true.dat
index 1652088ce..374274862 100644
--- a/tests/regression_tests/ptables_off/results_true.dat
+++ b/tests/regression_tests/ptables_off/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.978318E-01 1.560055E-03
+2.968228E-01 1.770320E-03
diff --git a/tests/regression_tests/quadric_surfaces/results_true.dat b/tests/regression_tests/quadric_surfaces/results_true.dat
index 382c4241e..6fb569f52 100644
--- a/tests/regression_tests/quadric_surfaces/results_true.dat
+++ b/tests/regression_tests/quadric_surfaces/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.193830E+00 1.824184E-02
+1.216213E+00 2.789559E-02
diff --git a/tests/regression_tests/random_ray_adjoint_fixed_source/results_true.dat b/tests/regression_tests/random_ray_adjoint_fixed_source/results_true.dat
index 7178e2f11..e9aa9015b 100644
--- a/tests/regression_tests/random_ray_adjoint_fixed_source/results_true.dat
+++ b/tests/regression_tests/random_ray_adjoint_fixed_source/results_true.dat
@@ -6,4 +6,4 @@ tally 2:
 9.482551E+08
 tally 3:
 1.956327E+05
-7.654469E+09
+7.654468E+09
diff --git a/tests/regression_tests/random_ray_auto_convert/infinite_medium/results_true.dat b/tests/regression_tests/random_ray_auto_convert/infinite_medium/results_true.dat
index a0d7fc545..c7584ab64 100644
--- a/tests/regression_tests/random_ray_auto_convert/infinite_medium/results_true.dat
+++ b/tests/regression_tests/random_ray_auto_convert/infinite_medium/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-7.796949E-01 1.055316E-02
+7.797820E-01 1.054725E-02
diff --git a/tests/regression_tests/random_ray_auto_convert/material_wise/results_true.dat b/tests/regression_tests/random_ray_auto_convert/material_wise/results_true.dat
index ebf510cfc..d544a27df 100644
--- a/tests/regression_tests/random_ray_auto_convert/material_wise/results_true.dat
+++ b/tests/regression_tests/random_ray_auto_convert/material_wise/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-7.375068E-01 7.015839E-03
+7.356667E-01 6.637270E-03
diff --git a/tests/regression_tests/random_ray_auto_convert/stochastic_slab/results_true.dat b/tests/regression_tests/random_ray_auto_convert/stochastic_slab/results_true.dat
index 2f444fad3..75a10a224 100644
--- a/tests/regression_tests/random_ray_auto_convert/stochastic_slab/results_true.dat
+++ b/tests/regression_tests/random_ray_auto_convert/stochastic_slab/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-7.499679E-01 8.107614E-03
+7.551716E-01 8.117378E-03
diff --git a/tests/regression_tests/random_ray_diagonal_stabilization/results_true.dat b/tests/regression_tests/random_ray_diagonal_stabilization/results_true.dat
index c6ce6aab9..f27ad46b4 100644
--- a/tests/regression_tests/random_ray_diagonal_stabilization/results_true.dat
+++ b/tests/regression_tests/random_ray_diagonal_stabilization/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-7.152917E-01 1.430362E-02
+7.201808E-01 1.506596E-02
diff --git a/tests/regression_tests/random_ray_fixed_source_linear/linear/results_true.dat b/tests/regression_tests/random_ray_fixed_source_linear/linear/results_true.dat
index 2fc08d0a4..e90d6bfdc 100644
--- a/tests/regression_tests/random_ray_fixed_source_linear/linear/results_true.dat
+++ b/tests/regression_tests/random_ray_fixed_source_linear/linear/results_true.dat
@@ -1,6 +1,6 @@
 tally 1:
-2.339085E+00
-2.747304E-01
+2.339086E+00
+2.747305E-01
 tally 2:
 1.089827E-01
 6.069324E-04
diff --git a/tests/regression_tests/random_ray_fixed_source_subcritical/flat/results_true.dat b/tests/regression_tests/random_ray_fixed_source_subcritical/flat/results_true.dat
index 831eac501..4d2fb6c57 100644
--- a/tests/regression_tests/random_ray_fixed_source_subcritical/flat/results_true.dat
+++ b/tests/regression_tests/random_ray_fixed_source_subcritical/flat/results_true.dat
@@ -83,7 +83,7 @@ tally 1:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.073356E+02
+1.073355E+02
 4.630895E+02
 1.263975E+01
 6.427678E+00
@@ -107,7 +107,7 @@ tally 1:
 2.388612E-03
 5.941898E-01
 1.414866E-02
-5.319555E+01
+5.319554E+01
 1.134034E+02
 1.967517E-01
 1.551313E-03
@@ -122,7 +122,7 @@ tally 1:
 8.044764E+01
 2.602455E+02
 3.474828E-01
-4.908567E-03
+4.908566E-03
 9.665057E-01
 3.797493E-02
 1.561720E+02
diff --git a/tests/regression_tests/random_ray_fixed_source_subcritical/linear_xy/results_true.dat b/tests/regression_tests/random_ray_fixed_source_subcritical/linear_xy/results_true.dat
index 49813144d..bf602d3e2 100644
--- a/tests/regression_tests/random_ray_fixed_source_subcritical/linear_xy/results_true.dat
+++ b/tests/regression_tests/random_ray_fixed_source_subcritical/linear_xy/results_true.dat
@@ -23,7 +23,7 @@ tally 1:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.235812E+01
+5.235813E+01
 1.099243E+02
 0.000000E+00
 0.000000E+00
@@ -72,12 +72,12 @@ tally 1:
 0.000000E+00
 0.000000E+00
 9.495275E+01
-3.613372E+02
+3.613373E+02
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-5.799250E+01
+5.799251E+01
 1.356178E+02
 0.000000E+00
 0.000000E+00
@@ -86,7 +86,7 @@ tally 1:
 1.066414E+02
 4.570291E+02
 1.254014E+01
-6.325640E+00
+6.325641E+00
 3.052020E+01
 3.746918E+01
 4.977302E+01
@@ -107,7 +107,7 @@ tally 1:
 2.371074E-03
 5.920173E-01
 1.404478E-02
-5.299862E+01
+5.299863E+01
 1.125576E+02
 1.959914E-01
 1.539191E-03
@@ -118,11 +118,11 @@ tally 1:
 5.781230E-02
 1.341759E-04
 1.430525E-01
-8.215326E-04
+8.215327E-04
 7.995734E+01
 2.570099E+02
 3.452934E-01
-4.844058E-03
+4.844059E-03
 9.604162E-01
 3.747587E-02
 1.556795E+02
diff --git a/tests/regression_tests/random_ray_halton_samples/results_true.dat b/tests/regression_tests/random_ray_halton_samples/results_true.dat
index 7eb307da0..b62398935 100644
--- a/tests/regression_tests/random_ray_halton_samples/results_true.dat
+++ b/tests/regression_tests/random_ray_halton_samples/results_true.dat
@@ -21,7 +21,7 @@ tally 1:
 3.807294E-03
 2.376683E+00
 1.151027E+00
-8.060902E-02
+8.060903E-02
 1.323179E-03
 1.961862E-01
 7.837693E-03
@@ -109,7 +109,7 @@ tally 1:
 1.195422E-03
 1.864967E-01
 7.080943E-03
-7.105765E+00
+7.105766E+00
 1.025960E+01
 8.287512E-02
 1.396474E-03
@@ -133,9 +133,9 @@ tally 1:
 7.031793E-01
 4.562478E+00
 4.165199E+00
-2.870213E+00
+2.870214E+00
 1.650126E+00
-4.244068E-01
+4.244069E-01
 3.608745E-02
 1.032921E+00
 2.137598E-01
@@ -151,7 +151,7 @@ tally 1:
 1.251254E-03
 1.906210E-01
 7.411654E-03
-7.162706E+00
+7.162707E+00
 1.042515E+01
 8.273831E-02
 1.391799E-03
diff --git a/tests/regression_tests/random_ray_k_eff/results_true.dat b/tests/regression_tests/random_ray_k_eff/results_true.dat
index a21929d53..37eca77f3 100644
--- a/tests/regression_tests/random_ray_k_eff/results_true.dat
+++ b/tests/regression_tests/random_ray_k_eff/results_true.dat
@@ -24,8 +24,8 @@ tally 1:
 7.808142E-02
 1.242278E-03
 1.900346E-01
-7.358490E-03
-7.134948E+00
+7.358491E-03
+7.134949E+00
 1.034824E+01
 8.272647E-02
 1.391871E-03
@@ -41,7 +41,7 @@ tally 1:
 3.449537E+01
 1.764293E-01
 6.225586E-03
-4.907292E-01
+4.907293E-01
 4.816400E-02
 7.567715E+00
 1.145439E+01
@@ -114,7 +114,7 @@ tally 1:
 8.322052E-02
 1.408294E-03
 2.025446E-01
-8.342070E-03
+8.342071E-03
 2.094832E+01
 8.816715E+01
 3.234739E-02
@@ -150,15 +150,15 @@ tally 1:
 7.951819E-02
 1.286690E-03
 1.935314E-01
-7.621556E-03
-7.119586E+00
+7.621557E-03
+7.119587E+00
 1.030023E+01
 8.428175E-02
 1.442931E-03
 2.051274E-01
 8.547243E-03
 2.046758E+01
-8.418767E+01
+8.418768E+01
 3.181946E-02
 2.034766E-04
 7.873502E-02
diff --git a/tests/regression_tests/random_ray_k_eff_mesh/results_true.dat b/tests/regression_tests/random_ray_k_eff_mesh/results_true.dat
index 535db3b55..83209044b 100644
--- a/tests/regression_tests/random_ray_k_eff_mesh/results_true.dat
+++ b/tests/regression_tests/random_ray_k_eff_mesh/results_true.dat
@@ -1,7 +1,7 @@
 k-combined:
 8.379203E-01 8.057199E-03
 tally 1:
-5.080171E+00
+5.080172E+00
 5.167984E+00
 1.880341E+00
 7.079266E-01
@@ -16,7 +16,7 @@ tally 1:
 1.692643E+00
 5.794069E-01
 5.445214E-02
-5.995212E-04
+5.995213E-04
 1.325256E-01
 3.551193E-03
 2.372336E+00
@@ -35,10 +35,10 @@ tally 1:
 8.394042E+01
 3.100485E-02
 1.932097E-04
-7.671933E-02
+7.671934E-02
 1.182985E-03
 1.313652E+01
-3.451847E+01
+3.451846E+01
 1.764978E-01
 6.230420E-03
 4.909196E-01
@@ -56,7 +56,7 @@ tally 1:
 0.000000E+00
 0.000000E+00
 1.820058E+00
-6.729238E-01
+6.729239E-01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -96,7 +96,7 @@ tally 1:
 4.104063E-01
 3.377132E-02
 9.988468E-01
-2.000404E-01
+2.000405E-01
 1.660506E+00
 5.567967E-01
 5.427391E-02
@@ -147,13 +147,13 @@ tally 1:
 3.699815E-03
 2.368737E+00
 1.143184E+00
-7.950085E-02
+7.950086E-02
 1.286135E-03
 1.934892E-01
-7.618268E-03
+7.618269E-03
 7.119767E+00
 1.030095E+01
-8.427627E-02
+8.427628E-02
 1.442764E-03
 2.051141E-01
 8.546249E-03
diff --git a/tests/regression_tests/random_ray_linear/linear/results_true.dat b/tests/regression_tests/random_ray_linear/linear/results_true.dat
index 6617c7821..4c0e14370 100644
--- a/tests/regression_tests/random_ray_linear/linear/results_true.dat
+++ b/tests/regression_tests/random_ray_linear/linear/results_true.dat
@@ -24,7 +24,7 @@ tally 1:
 5.733016E-01
 1.643671E-02
 1.395301E+00
-9.736091E-02
+9.736092E-02
 4.539598E+01
 1.030472E+02
 5.263055E-01
@@ -44,7 +44,7 @@ tally 1:
 2.008092E+00
 2.022988E-01
 4.188246E+01
-8.843468E+01
+8.843469E+01
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -111,7 +111,7 @@ tally 1:
 9.671931E-02
 4.539193E+01
 1.030326E+02
-5.345253E-01
+5.345254E-01
 1.428719E-02
 1.300944E+00
 8.463057E-02
diff --git a/tests/regression_tests/random_ray_volume_estimator_linear/hybrid/results_true.dat b/tests/regression_tests/random_ray_volume_estimator_linear/hybrid/results_true.dat
index 2fc08d0a4..e90d6bfdc 100644
--- a/tests/regression_tests/random_ray_volume_estimator_linear/hybrid/results_true.dat
+++ b/tests/regression_tests/random_ray_volume_estimator_linear/hybrid/results_true.dat
@@ -1,6 +1,6 @@
 tally 1:
-2.339085E+00
-2.747304E-01
+2.339086E+00
+2.747305E-01
 tally 2:
 1.089827E-01
 6.069324E-04
diff --git a/tests/regression_tests/reflective_plane/results_true.dat b/tests/regression_tests/reflective_plane/results_true.dat
index a1acfaad7..a4d6edb67 100644
--- a/tests/regression_tests/reflective_plane/results_true.dat
+++ b/tests/regression_tests/reflective_plane/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.276857E+00 8.776678E-03
+2.279066E+00 4.793565E-03
diff --git a/tests/regression_tests/resonance_scattering/results_true.dat b/tests/regression_tests/resonance_scattering/results_true.dat
index 8316e720e..72f0933b8 100644
--- a/tests/regression_tests/resonance_scattering/results_true.dat
+++ b/tests/regression_tests/resonance_scattering/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.462509E+00 2.205413E-02
+1.462428E+00 1.828903E-02
diff --git a/tests/regression_tests/rotation/results_true.dat b/tests/regression_tests/rotation/results_true.dat
index 0fb8ba981..6db3d329a 100644
--- a/tests/regression_tests/rotation/results_true.dat
+++ b/tests/regression_tests/rotation/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.175600E-01 1.117465E-02
+4.459219E-01 1.899168E-02
diff --git a/tests/regression_tests/salphabeta/results_true.dat b/tests/regression_tests/salphabeta/results_true.dat
index d5c7f66e9..75a81075e 100644
--- a/tests/regression_tests/salphabeta/results_true.dat
+++ b/tests/regression_tests/salphabeta/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-8.694866E-01 2.033328E-02
+8.628529E-01 3.120924E-02
diff --git a/tests/regression_tests/score_current/results_true.dat b/tests/regression_tests/score_current/results_true.dat
index ff939301d..6bb74445c 100644
--- a/tests/regression_tests/score_current/results_true.dat
+++ b/tests/regression_tests/score_current/results_true.dat
@@ -1,274 +1,490 @@
 k-combined:
-2.298294E-01 3.256961E-01
+7.729082E-01 3.775399E-02
 tally 1:
 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.150000E-01
-2.753000E-03
-1.820000E-01
-6.756000E-03
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 0.000000E+00
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.110000E-01
-2.601000E-03
-1.530000E-01
-4.865000E-03
-1.910000E-01
-7.535000E-03
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 0.000000E+00
 0.000000E+00
-7.100000E-02
-1.079000E-03
-1.500000E-01
-4.606000E-03
-1.820000E-01
-6.756000E-03
-1.150000E-01
-2.753000E-03
-1.610000E-01
-5.383000E-03
-1.230000E-01
-3.141000E-03
-0.000000E+00
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-1.370000E-01
-3.951000E-03
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-1.366400E-02
-1.930000E-01
-7.573000E-03
-0.000000E+00
-0.000000E+00
-8.500000E-02
-1.533000E-03
-2.040000E-01
-8.426000E-03
-1.230000E-01
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 1.410000E-01
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 0.000000E+00
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 0.000000E+00
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@@ -1668,232 +1668,248 @@ tally 2:
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 0.000000E+00
 0.000000E+00
-1.820000E-01
-6.660000E-03
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -1901,11 +1917,11 @@ tally 2:
 0.000000E+00
 0.000000E+00
 1.170000E-01
-2.789000E-03
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 0.000000E+00
 0.000000E+00
-1.300000E-01
-3.604000E-03
+1.760000E-01
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 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -1916,32 +1932,16 @@ tally 2:
 0.000000E+00
 0.000000E+00
 0.000000E+00
-1.120000E-01
-2.640000E-03
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 0.000000E+00
 0.000000E+00
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 0.000000E+00
 0.000000E+00
 0.000000E+00
diff --git a/tests/regression_tests/seed/results_true.dat b/tests/regression_tests/seed/results_true.dat
index bcd711825..ff34071c1 100644
--- a/tests/regression_tests/seed/results_true.dat
+++ b/tests/regression_tests/seed/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.069730E-01 2.632099E-03
+3.015003E-01 5.094212E-03
diff --git a/tests/regression_tests/source/results_true.dat b/tests/regression_tests/source/results_true.dat
index 673d27c8a..951075bbb 100644
--- a/tests/regression_tests/source/results_true.dat
+++ b/tests/regression_tests/source/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.959436E-01 2.782384E-03
+3.034717E-01 2.799386E-03
diff --git a/tests/regression_tests/source_file/results_true.dat b/tests/regression_tests/source_file/results_true.dat
index 264e3d580..359e0526e 100644
--- a/tests/regression_tests/source_file/results_true.dat
+++ b/tests/regression_tests/source_file/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.983135E-01 5.116978E-03
+2.827397E-01 1.150437E-03
diff --git a/tests/regression_tests/source_mcpl_file/results_true.dat b/tests/regression_tests/source_mcpl_file/results_true.dat
index 264e3d580..3ba1a4520 100644
--- a/tests/regression_tests/source_mcpl_file/results_true.dat
+++ b/tests/regression_tests/source_mcpl_file/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.983135E-01 5.116978E-03
+2.827397E-01 1.150438E-03
diff --git a/tests/regression_tests/sourcepoint_batch/results_true.dat b/tests/regression_tests/sourcepoint_batch/results_true.dat
index 2770f25ed..3665bdd08 100644
--- a/tests/regression_tests/sourcepoint_batch/results_true.dat
+++ b/tests/regression_tests/sourcepoint_batch/results_true.dat
@@ -1,3 +1,3 @@
 k-combined:
-3.074376E-01 3.049465E-03
-3.667754E+00 -7.701697E+00 2.213664E+00
+2.920435E-01 9.109227E-04
+1.101997E+00 -8.197502E+00 4.294606E+00
diff --git a/tests/regression_tests/sourcepoint_latest/results_true.dat b/tests/regression_tests/sourcepoint_latest/results_true.dat
index bbf03de94..97b997ae6 100644
--- a/tests/regression_tests/sourcepoint_latest/results_true.dat
+++ b/tests/regression_tests/sourcepoint_latest/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
diff --git a/tests/regression_tests/sourcepoint_restart/results_true.dat b/tests/regression_tests/sourcepoint_restart/results_true.dat
index b6d85872d..c20b5f2a0 100644
--- a/tests/regression_tests/sourcepoint_restart/results_true.dat
+++ b/tests/regression_tests/sourcepoint_restart/results_true.dat
@@ -1,46 +1,14 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
 tally 1:
 1.300000E-02
-4.700000E-05
-5.741381E-03
-9.030024E-06
+3.900000E-05
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 0.000000E+00
 0.000000E+00
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-9.407179E-08
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-4.708050E-07
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 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -49,602 +17,26 @@ tally 1:
 0.000000E+00
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@@ -962,11 +962,11 @@ tally 1:
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 tally 2:
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diff --git a/tests/regression_tests/statepoint_batch/__init__.py b/tests/regression_tests/statepoint_batch/__init__.py
deleted file mode 100644
index e69de29bb..000000000
diff --git a/tests/regression_tests/statepoint_batch/geometry.xml b/tests/regression_tests/statepoint_batch/geometry.xml
deleted file mode 100644
index bc56030e1..000000000
--- a/tests/regression_tests/statepoint_batch/geometry.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!-- Sphere with radius 10 -->
-  <surface id="1" type="sphere" coeffs="0 0 0 10" boundary="vacuum"/>
-  <cell id="1" material="1" region="-1" />
-    
-</geometry>
diff --git a/tests/regression_tests/statepoint_batch/materials.xml b/tests/regression_tests/statepoint_batch/materials.xml
deleted file mode 100644
index 2472a7471..000000000
--- a/tests/regression_tests/statepoint_batch/materials.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <material id="1">
-    <density value="4.5" units="g/cc" />
-    <nuclide name="U235" ao="1.0" />
-  </material>
-
-</materials>
diff --git a/tests/regression_tests/statepoint_batch/results_true.dat b/tests/regression_tests/statepoint_batch/results_true.dat
deleted file mode 100644
index f5c855d77..000000000
--- a/tests/regression_tests/statepoint_batch/results_true.dat
+++ /dev/null
@@ -1,2 +0,0 @@
-k-combined:
-3.048864E-01 1.689118E-03
diff --git a/tests/regression_tests/statepoint_batch/settings.xml b/tests/regression_tests/statepoint_batch/settings.xml
deleted file mode 100644
index e2f8dad47..000000000
--- a/tests/regression_tests/statepoint_batch/settings.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <state_point batches="3 6 9" />
-
-  <run_mode>eigenvalue</run_mode>
-  <batches>10</batches>
-  <inactive>5</inactive>
-  <particles>1000</particles>
-
-  <source>
-    <space type="box">
-      <parameters>-4 -4 -4  4  4  4</parameters>
-    </space>
-  </source>
-
-</settings>
diff --git a/tests/regression_tests/statepoint_batch/test.py b/tests/regression_tests/statepoint_batch/test.py
deleted file mode 100644
index 323b28fc6..000000000
--- a/tests/regression_tests/statepoint_batch/test.py
+++ /dev/null
@@ -1,18 +0,0 @@
-from tests.testing_harness import TestHarness
-
-
-class StatepointTestHarness(TestHarness):
-    def __init__(self):
-        super().__init__(None)
-
-    def _test_output_created(self):
-        """Make sure statepoint files have been created."""
-        sps = ('statepoint.03.h5', 'statepoint.06.h5', 'statepoint.09.h5')
-        for sp in sps:
-            self._sp_name = sp
-            TestHarness._test_output_created(self)
-
-
-def test_statepoint_batch():
-    harness = StatepointTestHarness()
-    harness.main()
diff --git a/tests/regression_tests/statepoint_restart/results_true.dat b/tests/regression_tests/statepoint_restart/results_true.dat
index aebc971f4..b919b3000 100644
--- a/tests/regression_tests/statepoint_restart/results_true.dat
+++ b/tests/regression_tests/statepoint_restart/results_true.dat
@@ -1,66 +1,18 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
 tally 1:
 1.300000E-02
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 1.300000E-02
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 0.000000E+00
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-4.708050E-07
+1.164000E-03
+5.072152E-07
 0.000000E+00
 0.000000E+00
 0.000000E+00
@@ -73,900 +25,36 @@ tally 1:
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@@ -1273,24 +983,22 @@ tally 1:
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@@ -1301,22 +1009,36 @@ tally 1:
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@@ -1335,28 +1057,162 @@ tally 1:
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@@ -1393,28 +1243,178 @@ tally 1:
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@@ -1442,11 +1442,11 @@ tally 1:
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 tally 2:
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diff --git a/tests/regression_tests/statepoint_sourcesep/results_true.dat b/tests/regression_tests/statepoint_sourcesep/results_true.dat
index bbf03de94..97b997ae6 100644
--- a/tests/regression_tests/statepoint_sourcesep/results_true.dat
+++ b/tests/regression_tests/statepoint_sourcesep/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
diff --git a/tests/regression_tests/stride/results_true.dat b/tests/regression_tests/stride/results_true.dat
index a65411150..825de3766 100644
--- a/tests/regression_tests/stride/results_true.dat
+++ b/tests/regression_tests/stride/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.978080E-01 6.106774E-03
+2.953207E-01 2.874356E-03
diff --git a/tests/regression_tests/surface_source/surface_source_true.h5 b/tests/regression_tests/surface_source/surface_source_true.h5
index d056d7328..2c2a19038 100644
Binary files a/tests/regression_tests/surface_source/surface_source_true.h5 and b/tests/regression_tests/surface_source/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source/surface_source_true.mcpl b/tests/regression_tests/surface_source/surface_source_true.mcpl
index 7c819ac9b..ca4b7c2c4 100644
Binary files a/tests/regression_tests/surface_source/surface_source_true.mcpl and b/tests/regression_tests/surface_source/surface_source_true.mcpl differ
diff --git a/tests/regression_tests/surface_source_write/case-01/results_true.dat b/tests/regression_tests/surface_source_write/case-01/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-01/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-01/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-01/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-01/surface_source_true.h5
index 82dca4d03..a43646158 100644
Binary files a/tests/regression_tests/surface_source_write/case-01/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-01/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-02/results_true.dat b/tests/regression_tests/surface_source_write/case-02/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-02/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-02/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-02/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-02/surface_source_true.h5
index 872efa070..5a73e7ab2 100644
Binary files a/tests/regression_tests/surface_source_write/case-02/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-02/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-03/results_true.dat b/tests/regression_tests/surface_source_write/case-03/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-03/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-03/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-03/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-03/surface_source_true.h5
index 04a6ac9a3..4dd5f821a 100644
Binary files a/tests/regression_tests/surface_source_write/case-03/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-03/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-04/results_true.dat b/tests/regression_tests/surface_source_write/case-04/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-04/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-04/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-04/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-04/surface_source_true.h5
index 75c309eb4..ee00af389 100644
Binary files a/tests/regression_tests/surface_source_write/case-04/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-04/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-05/results_true.dat b/tests/regression_tests/surface_source_write/case-05/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-05/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-05/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-05/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-05/surface_source_true.h5
index 1a2f54d76..ee00af389 100644
Binary files a/tests/regression_tests/surface_source_write/case-05/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-05/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-06/results_true.dat b/tests/regression_tests/surface_source_write/case-06/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-06/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-06/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-06/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-06/surface_source_true.h5
index bef135e5a..6946938ad 100644
Binary files a/tests/regression_tests/surface_source_write/case-06/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-06/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-07/results_true.dat b/tests/regression_tests/surface_source_write/case-07/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-07/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-07/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-07/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-07/surface_source_true.h5
index f84a5c4c5..60527c99b 100644
Binary files a/tests/regression_tests/surface_source_write/case-07/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-07/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-08/results_true.dat b/tests/regression_tests/surface_source_write/case-08/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-08/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-08/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-08/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-08/surface_source_true.h5
index 1fd302a7c..3088597c0 100644
Binary files a/tests/regression_tests/surface_source_write/case-08/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-08/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-09/results_true.dat b/tests/regression_tests/surface_source_write/case-09/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-09/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-09/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-09/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-09/surface_source_true.h5
index af832f060..81cdbfb0f 100644
Binary files a/tests/regression_tests/surface_source_write/case-09/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-09/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-10/results_true.dat b/tests/regression_tests/surface_source_write/case-10/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-10/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-10/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-10/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-10/surface_source_true.h5
index 1512d8692..b78430038 100644
Binary files a/tests/regression_tests/surface_source_write/case-10/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-10/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-11/results_true.dat b/tests/regression_tests/surface_source_write/case-11/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-11/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-11/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-11/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-11/surface_source_true.h5
index 0edb06c88..b5b603620 100644
Binary files a/tests/regression_tests/surface_source_write/case-11/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-11/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-12/results_true.dat b/tests/regression_tests/surface_source_write/case-12/results_true.dat
index d793a7e42..ad927bdf3 100644
--- a/tests/regression_tests/surface_source_write/case-12/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-12/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.752377E-02 6.773395E-03
+4.929000E-02 8.212396E-03
diff --git a/tests/regression_tests/surface_source_write/case-12/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-12/surface_source_true.h5
index ea81a8250..ca5eda8e2 100644
Binary files a/tests/regression_tests/surface_source_write/case-12/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-12/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-13/results_true.dat b/tests/regression_tests/surface_source_write/case-13/results_true.dat
index d793a7e42..ad927bdf3 100644
--- a/tests/regression_tests/surface_source_write/case-13/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-13/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.752377E-02 6.773395E-03
+4.929000E-02 8.212396E-03
diff --git a/tests/regression_tests/surface_source_write/case-13/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-13/surface_source_true.h5
index 08bd80985..ca5eda8e2 100644
Binary files a/tests/regression_tests/surface_source_write/case-13/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-13/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-14/results_true.dat b/tests/regression_tests/surface_source_write/case-14/results_true.dat
index d793a7e42..ad927bdf3 100644
--- a/tests/regression_tests/surface_source_write/case-14/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-14/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.752377E-02 6.773395E-03
+4.929000E-02 8.212396E-03
diff --git a/tests/regression_tests/surface_source_write/case-14/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-14/surface_source_true.h5
index 50cddcc70..c9900bd9c 100644
Binary files a/tests/regression_tests/surface_source_write/case-14/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-14/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-15/results_true.dat b/tests/regression_tests/surface_source_write/case-15/results_true.dat
index d793a7e42..ad927bdf3 100644
--- a/tests/regression_tests/surface_source_write/case-15/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-15/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.752377E-02 6.773395E-03
+4.929000E-02 8.212396E-03
diff --git a/tests/regression_tests/surface_source_write/case-15/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-15/surface_source_true.h5
index 3e15017a1..5bdb39b2a 100644
Binary files a/tests/regression_tests/surface_source_write/case-15/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-15/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-16/results_true.dat b/tests/regression_tests/surface_source_write/case-16/results_true.dat
index a97be70ca..cd0619c1f 100644
--- a/tests/regression_tests/surface_source_write/case-16/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-16/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.496403E+00 3.891283E-02
+1.403371E+00 1.456192E-02
diff --git a/tests/regression_tests/surface_source_write/case-16/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-16/surface_source_true.h5
index 49f67e820..79ac8e1a6 100644
Binary files a/tests/regression_tests/surface_source_write/case-16/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-16/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-17/results_true.dat b/tests/regression_tests/surface_source_write/case-17/results_true.dat
index a97be70ca..cd0619c1f 100644
--- a/tests/regression_tests/surface_source_write/case-17/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-17/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.496403E+00 3.891283E-02
+1.403371E+00 1.456192E-02
diff --git a/tests/regression_tests/surface_source_write/case-17/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-17/surface_source_true.h5
index 35878eeca..aadcc3fa4 100644
Binary files a/tests/regression_tests/surface_source_write/case-17/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-17/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-18/results_true.dat b/tests/regression_tests/surface_source_write/case-18/results_true.dat
index a97be70ca..cd0619c1f 100644
--- a/tests/regression_tests/surface_source_write/case-18/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-18/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.496403E+00 3.891283E-02
+1.403371E+00 1.456192E-02
diff --git a/tests/regression_tests/surface_source_write/case-18/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-18/surface_source_true.h5
index 36da9e7a7..e5a7619c5 100644
Binary files a/tests/regression_tests/surface_source_write/case-18/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-18/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-19/results_true.dat b/tests/regression_tests/surface_source_write/case-19/results_true.dat
index a97be70ca..cd0619c1f 100644
--- a/tests/regression_tests/surface_source_write/case-19/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-19/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.496403E+00 3.891283E-02
+1.403371E+00 1.456192E-02
diff --git a/tests/regression_tests/surface_source_write/case-19/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-19/surface_source_true.h5
index f4261451d..db8a49dce 100644
Binary files a/tests/regression_tests/surface_source_write/case-19/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-19/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-20/results_true.dat b/tests/regression_tests/surface_source_write/case-20/results_true.dat
index 7ccce7cc3..44293cf09 100644
--- a/tests/regression_tests/surface_source_write/case-20/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-20/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.149925E+00 2.542255E-01
+1.266853E+00 4.552028E-02
diff --git a/tests/regression_tests/surface_source_write/case-20/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-20/surface_source_true.h5
index fa8a4e628..01d2abf61 100644
Binary files a/tests/regression_tests/surface_source_write/case-20/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-20/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-21/results_true.dat b/tests/regression_tests/surface_source_write/case-21/results_true.dat
index 7ccce7cc3..44293cf09 100644
--- a/tests/regression_tests/surface_source_write/case-21/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-21/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.149925E+00 2.542255E-01
+1.266853E+00 4.552028E-02
diff --git a/tests/regression_tests/surface_source_write/case-21/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-21/surface_source_true.h5
index ed87ce849..4e5dcb446 100644
Binary files a/tests/regression_tests/surface_source_write/case-21/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-21/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-a01/results_true.dat b/tests/regression_tests/surface_source_write/case-a01/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-a01/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-a01/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-a01/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-a01/surface_source_true.h5
index 4a8623567..8dc148ee0 100644
Binary files a/tests/regression_tests/surface_source_write/case-a01/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-a01/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d01/results_true.dat b/tests/regression_tests/surface_source_write/case-d01/results_true.dat
index 7fb415cb1..26b9e30a3 100644
--- a/tests/regression_tests/surface_source_write/case-d01/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d01/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.263843E-01 3.193920E-02
+9.288719E-01 6.877101E-03
diff --git a/tests/regression_tests/surface_source_write/case-d01/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d01/surface_source_true.h5
index 8f8cd604d..9a66315ff 100644
Binary files a/tests/regression_tests/surface_source_write/case-d01/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d01/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d02/results_true.dat b/tests/regression_tests/surface_source_write/case-d02/results_true.dat
index 7fb415cb1..26b9e30a3 100644
--- a/tests/regression_tests/surface_source_write/case-d02/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d02/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.263843E-01 3.193920E-02
+9.288719E-01 6.877101E-03
diff --git a/tests/regression_tests/surface_source_write/case-d02/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d02/surface_source_true.h5
index 3abc471e0..291062942 100644
Binary files a/tests/regression_tests/surface_source_write/case-d02/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d02/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d03/results_true.dat b/tests/regression_tests/surface_source_write/case-d03/results_true.dat
index 7fb415cb1..26b9e30a3 100644
--- a/tests/regression_tests/surface_source_write/case-d03/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d03/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.263843E-01 3.193920E-02
+9.288719E-01 6.877101E-03
diff --git a/tests/regression_tests/surface_source_write/case-d03/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d03/surface_source_true.h5
index 8435e8f17..0af7160d4 100644
Binary files a/tests/regression_tests/surface_source_write/case-d03/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d03/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d04/results_true.dat b/tests/regression_tests/surface_source_write/case-d04/results_true.dat
index 7fb415cb1..26b9e30a3 100644
--- a/tests/regression_tests/surface_source_write/case-d04/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d04/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.263843E-01 3.193920E-02
+9.288719E-01 6.877101E-03
diff --git a/tests/regression_tests/surface_source_write/case-d04/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d04/surface_source_true.h5
index 6c45d92e6..90ab00748 100644
Binary files a/tests/regression_tests/surface_source_write/case-d04/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d04/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d05/results_true.dat b/tests/regression_tests/surface_source_write/case-d05/results_true.dat
index 7fb415cb1..26b9e30a3 100644
--- a/tests/regression_tests/surface_source_write/case-d05/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d05/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.263843E-01 3.193920E-02
+9.288719E-01 6.877101E-03
diff --git a/tests/regression_tests/surface_source_write/case-d05/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d05/surface_source_true.h5
index 24b04a862..2f5521679 100644
Binary files a/tests/regression_tests/surface_source_write/case-d05/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d05/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d06/results_true.dat b/tests/regression_tests/surface_source_write/case-d06/results_true.dat
index 7fb415cb1..26b9e30a3 100644
--- a/tests/regression_tests/surface_source_write/case-d06/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d06/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.263843E-01 3.193920E-02
+9.288719E-01 6.877101E-03
diff --git a/tests/regression_tests/surface_source_write/case-d06/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d06/surface_source_true.h5
index 3eb95bef9..27227ad49 100644
Binary files a/tests/regression_tests/surface_source_write/case-d06/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d06/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d07/results_true.dat b/tests/regression_tests/surface_source_write/case-d07/results_true.dat
index 63ea1a64d..5a4ea6689 100644
--- a/tests/regression_tests/surface_source_write/case-d07/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d07/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.756086E-01 4.639209E-02
+9.947197E-01 3.711779E-02
diff --git a/tests/regression_tests/surface_source_write/case-d07/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d07/surface_source_true.h5
index 0332f2dcf..7ab2e2c80 100644
Binary files a/tests/regression_tests/surface_source_write/case-d07/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d07/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-d08/results_true.dat b/tests/regression_tests/surface_source_write/case-d08/results_true.dat
index 63ea1a64d..5a4ea6689 100644
--- a/tests/regression_tests/surface_source_write/case-d08/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-d08/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-9.756086E-01 4.639209E-02
+9.947197E-01 3.711779E-02
diff --git a/tests/regression_tests/surface_source_write/case-d08/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-d08/surface_source_true.h5
index 252559204..5da7564d1 100644
Binary files a/tests/regression_tests/surface_source_write/case-d08/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-d08/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-e01/results_true.dat b/tests/regression_tests/surface_source_write/case-e01/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-e01/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-e01/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-e01/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-e01/surface_source_true.h5
index 3047519e8..0dda15ed2 100644
Binary files a/tests/regression_tests/surface_source_write/case-e01/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-e01/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-e02/results_true.dat b/tests/regression_tests/surface_source_write/case-e02/results_true.dat
index 8979eb554..d4d1d1e5a 100644
--- a/tests/regression_tests/surface_source_write/case-e02/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-e02/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-5.169123E-02 9.144814E-03
+5.642735E-02 1.494035E-02
diff --git a/tests/regression_tests/surface_source_write/case-e02/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-e02/surface_source_true.h5
index 806152853..519d8891f 100644
Binary files a/tests/regression_tests/surface_source_write/case-e02/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-e02/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_source_write/case-e03/results_true.dat b/tests/regression_tests/surface_source_write/case-e03/results_true.dat
index d793a7e42..ad927bdf3 100644
--- a/tests/regression_tests/surface_source_write/case-e03/results_true.dat
+++ b/tests/regression_tests/surface_source_write/case-e03/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.752377E-02 6.773395E-03
+4.929000E-02 8.212396E-03
diff --git a/tests/regression_tests/surface_source_write/case-e03/surface_source_true.h5 b/tests/regression_tests/surface_source_write/case-e03/surface_source_true.h5
index becc9254a..7e7d49071 100644
Binary files a/tests/regression_tests/surface_source_write/case-e03/surface_source_true.h5 and b/tests/regression_tests/surface_source_write/case-e03/surface_source_true.h5 differ
diff --git a/tests/regression_tests/surface_tally/results_true.dat b/tests/regression_tests/surface_tally/results_true.dat
index 8b27fa192..70d5cad2c 100644
--- a/tests/regression_tests/surface_tally/results_true.dat
+++ b/tests/regression_tests/surface_tally/results_true.dat
@@ -1,52 +1,52 @@
 mean,std. dev.
-2.1200000e-02,1.8366636e-03
-7.4900000e-02,2.2083176e-03
-1.6220000e-01,2.8079253e-03
-6.4010000e-01,8.6838931e-03
-2.1000000e-03,3.7859389e-04
-5.6000000e-03,6.8637534e-04
-1.1700000e-02,1.4456832e-03
-4.1700000e-02,2.7041121e-03
-2.1200000e-02,1.8366636e-03
-7.4900000e-02,2.2083176e-03
-1.6220000e-01,2.8079253e-03
-6.4010000e-01,8.6838931e-03
-2.1000000e-03,3.7859389e-04
-5.6000000e-03,6.8637534e-04
-1.1700000e-02,1.4456832e-03
-4.1700000e-02,2.7041121e-03
-5.2000000e-03,5.9254629e-04
-3.9200000e-02,2.5508169e-03
-4.0200000e-02,1.9310331e-03
-4.1360000e-01,8.0072190e-03
-0.0000000e+00,0.0000000e+00
-1.9000000e-03,3.7859389e-04
+2.4100000e-02,2.1052844e-03
+6.7900000e-02,2.3211587e-03
+1.6860000e-01,4.4800794e-03
+6.4710000e-01,9.1826527e-03
+2.2000000e-03,3.8873013e-04
+5.5000000e-03,1.0979779e-03
+1.2500000e-02,1.5438048e-03
+4.4700000e-02,1.9035055e-03
+2.4100000e-02,2.1052844e-03
+6.7900000e-02,2.3211587e-03
+1.6860000e-01,4.4800794e-03
+6.4710000e-01,9.1826527e-03
+2.2000000e-03,3.8873013e-04
+5.5000000e-03,1.0979779e-03
+1.2500000e-02,1.5438048e-03
+4.4700000e-02,1.9035055e-03
+7.3000000e-03,9.8938814e-04
+3.6600000e-02,2.5086517e-03
+4.1600000e-02,2.4864075e-03
+4.2380000e-01,9.6087923e-03
 1.0000000e-04,1.0000000e-04
-1.6400000e-02,1.2840907e-03
--5.2000000e-03,5.9254629e-04
--3.9200000e-02,2.5508169e-03
--4.0200000e-02,1.9310331e-03
--4.1360000e-01,8.0072190e-03
-0.0000000e+00,0.0000000e+00
--1.9000000e-03,3.7859389e-04
+1.5000000e-03,4.5338235e-04
+3.0000000e-04,1.5275252e-04
+1.7300000e-02,1.4609738e-03
+-7.3000000e-03,9.8938814e-04
+-3.6600000e-02,2.5086517e-03
+-4.1600000e-02,2.4864075e-03
+-4.2380000e-01,9.6087923e-03
 -1.0000000e-04,1.0000000e-04
--1.6400000e-02,1.2840907e-03
-1.6000000e-02,2.1602469e-03
-3.5700000e-02,2.9441090e-03
-1.2200000e-01,3.5932035e-03
-2.2650000e-01,9.2463206e-03
+-1.5000000e-03,4.5338235e-04
+-3.0000000e-04,1.5275252e-04
+-1.7300000e-02,1.4609738e-03
+1.6800000e-02,1.5902481e-03
+3.1300000e-02,3.8094911e-03
+1.2700000e-01,5.0990195e-03
+2.2330000e-01,9.3631073e-03
 2.1000000e-03,3.7859389e-04
-3.7000000e-03,8.1717671e-04
-1.1600000e-02,1.4772347e-03
-2.5300000e-02,1.9723083e-03
+4.0000000e-03,1.0540926e-03
+1.2200000e-02,1.6110728e-03
+2.7400000e-02,1.6613248e-03
 0.0000000e+00,0.0000000e+00
--2.9700000e-02,2.4587711e-03
+-3.2000000e-02,1.5634719e-03
 0.0000000e+00,0.0000000e+00
--3.5090000e-01,3.7161808e-03
+-3.5400000e-01,7.5938572e-03
 0.0000000e+00,0.0000000e+00
--2.1000000e-03,4.8189441e-04
+-3.0000000e-03,6.4978629e-04
 0.0000000e+00,0.0000000e+00
--2.1400000e-02,1.7397318e-03
+-2.1800000e-02,1.4892205e-03
 0.0000000e+00,0.0000000e+00
 0.0000000e+00,0.0000000e+00
 0.0000000e+00,0.0000000e+00
diff --git a/tests/regression_tests/survival_biasing/results_true.dat b/tests/regression_tests/survival_biasing/results_true.dat
index 740272201..932414e98 100644
--- a/tests/regression_tests/survival_biasing/results_true.dat
+++ b/tests/regression_tests/survival_biasing/results_true.dat
@@ -1,20 +1,20 @@
 k-combined:
-9.879232E-01 8.097582E-03
+9.517646E-01 1.303111E-02
 tally 1:
-4.295331E+01
-3.691096E+02
-1.802724E+01
-6.501934E+01
-2.193500E+00
-9.627609E-01
-1.893529E+00
-7.174104E-01
-4.902380E+00
-4.808570E+00
-3.418014E-02
-2.337353E-04
-3.667128E+08
-2.690758E+16
+4.164635E+01
+3.470110E+02
+1.724300E+01
+5.949580E+01
+2.124917E+00
+9.034789E-01
+1.844790E+00
+6.809026E-01
+4.784396E+00
+4.579552E+00
+3.348849E-02
+2.243613E-04
+3.573090E+08
+2.554338E+16
 tally 2:
-1.802724E+01
-6.501934E+01
+1.724300E+01
+5.949580E+01
diff --git a/tests/regression_tests/tallies/results_true.dat b/tests/regression_tests/tallies/results_true.dat
index 3dda0f9b2..1d3aca4b0 100644
--- a/tests/regression_tests/tallies/results_true.dat
+++ b/tests/regression_tests/tallies/results_true.dat
@@ -1 +1 @@
-ddfbb0a6f5498eb8ff33bb10beb64e244b015861919eb4837bd82855e5fd87c3ff97dfa382d3d60afa81c48d9f857fba8e0b99263e7b35587f8adb75be1fc0ec
\ No newline at end of file
+d01c3accd5b4de2aa166a77df28cfe42f5738a44c2480752fcfae7564a507362fff006b6dffb7b1dfe248e14bacef0070cabacea5d75c5996653e5605f7c7384
\ No newline at end of file
diff --git a/tests/regression_tests/tally_aggregation/results_true.dat b/tests/regression_tests/tally_aggregation/results_true.dat
index 172adbfe1..ee6263373 100644
--- a/tests/regression_tests/tally_aggregation/results_true.dat
+++ b/tests/regression_tests/tally_aggregation/results_true.dat
@@ -1,97 +1,97 @@
-[[1.6001087e-05 5.4190949e-04]
- [3.2669968e-01 1.7730523e-01]
- [1.8149266e-02 7.1525113e-01]], [[1.6239097e-05 5.7499676e-04]
- [3.1268633e-01 1.7004165e-01]
- [1.8873778e-02 7.0217885e-01]], [[1.6693071e-05 5.4106379e-04]
- [3.3370208e-01 1.8051505e-01]
- [1.9081306e-02 7.3647547e-01]], [[1.6725399e-05 5.1680146e-04]
- [3.2854628e-01 1.7757185e-01]
- [1.9529646e-02 7.1005198e-01]][[2.4751834e-07 4.3304565e-05]
- [8.6840718e-03 4.3442535e-03]
- [3.7054051e-04 6.5678133e-03]], [[4.0830852e-07 4.9612204e-05]
- [1.2104241e-02 5.9708675e-03]
- [7.1398189e-04 8.2408482e-03]], [[2.6546344e-07 2.5234256e-05]
- [6.5083211e-03 3.2185071e-03]
- [4.2935150e-04 5.1707774e-03]], [[2.7845203e-07 3.4453402e-05]
- [3.3125427e-03 1.7749508e-03]
- [6.0407731e-04 7.5353872e-03]][[1.0455251e-06 8.1938339e-04]
- [1.1392765e+00 5.6434761e-01]
- [1.4142831e-06 5.1213654e-01]], [[2.2009815e-06 1.0418935e-03]
- [1.4422554e-01 1.0070647e-01]
- [3.9488382e-05 7.9236390e-01]], [[1.4606612e-05 2.2374470e-04]
- [1.2962842e-02 2.9268594e-02]
- [3.1339824e-04 1.1056439e+00]], [[4.7805535e-05 8.9749934e-05]
- [5.1694597e-03 1.1111105e-02]
- [7.5279695e-02 4.5381305e-01]][[1.4955183e-08 1.1461548e-05]
- [1.6454649e-02 8.1236707e-03]
- [2.0028007e-08 6.8264819e-03]], [[1.6334486e-07 7.7617340e-05]
- [2.1161584e-03 1.4078445e-03]
- [1.4742097e-05 6.9350862e-03]], [[1.7444757e-07 1.9026095e-06]
- [1.4084092e-04 2.0345990e-04]
- [5.9546175e-06 8.6038812e-03]], [[5.6449127e-07 1.0110585e-06]
- [5.9158873e-05 1.2485325e-04]
- [1.0936497e-03 5.0836702e-03]][[0.2866239 0.2725595]], [[0.2729156 0.258831 ]], [[0.2920724 0.2755922]], [[0.287667  0.2703207]], [[0.035617  0.2232707]], [[0.0353082 0.2224423]], [[0.0370072 0.2288263]], [[0.0363348 0.219573 ]], [[0.0033013 0.2850034]], [[0.0032726 0.2771099]], [[0.0034234 0.2951295]], [[0.0032935 0.2778935]], [[0.0193227 0.1122647]], [[0.0200799 0.1144123]], [[0.0202971 0.1179836]], [[0.0207973 0.1203534]][[0.0086351 0.0061876]], [[0.0120688 0.0074831]], [[0.0064221 0.0035246]], [[0.0030483 0.0024267]], [[0.0009185 0.0033896]], [[0.0009223 0.0039584]], [[0.0010541 0.0038599]], [[0.0012934 0.0028331]], [[6.5126963e-05 2.8486593e-03]], [[7.1110242e-05 4.3424340e-03]], [[5.8911409e-05 2.4296178e-03]], [[8.4278765e-05 6.4182190e-03]], [[0.0003712 0.0020298]], [[0.0007152 0.0036115]], [[0.0004298 0.0019677]], [[0.0006046 0.0021965]][[2.0694650e-04]
- [4.2868191e-01]
- [1.3029457e-01]], [[1.9694048e-04]
- [4.0809445e-01]
- [1.2345525e-01]], [[2.1012645e-04]
- [4.3670571e-01]
- [1.3074883e-01]], [[2.0641548e-04]
- [4.3014207e-01]
- [1.2763930e-01]], [[0.0002584]
- [0.0608867]
- [0.1977426]], [[0.0003026]
- [0.0602368]
- [0.1972111]], [[0.0002509]
- [0.0624699]
- [0.2031126]], [[0.0002322]
- [0.0613385]
- [0.1943371]], [[5.9349736e-05]
- [1.0506741e-02]
- [2.7773865e-01]], [[5.7855564e-05]
- [1.0389781e-02]
- [2.6993483e-01]], [[6.1819700e-05]
- [1.0910874e-02]
- [2.8758020e-01]], [[5.9326317e-05]
- [1.0424040e-02]
- [2.7070367e-01]], [[3.3192167e-05]
- [3.9295320e-03]
- [1.2762462e-01]], [[3.3882691e-05]
- [4.0069157e-03]
- [1.3045143e-01]], [[3.4882103e-05]
- [4.1306182e-03]
- [1.3411514e-01]], [[3.5598508e-05]
- [4.2134987e-03]
- [1.3690156e-01]][[6.4505980e-06]
- [9.6369034e-03]
- [4.4700460e-03]], [[8.2880772e-06]
- [1.3456171e-02]
- [4.5368708e-03]], [[3.9384462e-06]
- [7.1570638e-03]
- [1.5629142e-03]], [[2.3565894e-06]
- [3.4040401e-03]
- [1.8956916e-03]], [[4.2806047e-05]
- [1.1841015e-03]
- [3.3058802e-03]], [[4.8905696e-05]
- [1.0360139e-03]
- [3.9298937e-03]], [[2.4911390e-05]
- [1.2173305e-03]
- [3.8114473e-03]], [[3.4347869e-05]
- [1.5820360e-03]
- [2.6824612e-03]], [[1.0809230e-06]
- [1.0316180e-04]
- [2.8475354e-03]], [[6.4150814e-07]
- [1.1179425e-04]
- [4.3415770e-03]], [[7.3848139e-07]
- [9.3111666e-05]
- [2.4285475e-03]], [[1.2349384e-06]
- [1.7152843e-04]
- [6.4164799e-03]], [[4.5871493e-07]
- [5.4732075e-05]
- [2.0627309e-03]], [[8.1649994e-07]
- [9.7699188e-05]
- [3.6803256e-03]], [[4.5174850e-07]
- [5.3913784e-05]
- [2.0133571e-03]], [[5.0962865e-07]
- [6.0338032e-05]
- [2.2773911e-03]]
\ No newline at end of file
+[[1.6242805e-05 6.2367673e-04]
+ [3.2895972e-01 1.7786452e-01]
+ [1.8044266e-02 7.0451122e-01]], [[1.6113947e-05 5.3572864e-04]
+ [3.1517504e-01 1.7132833e-01]
+ [1.8305682e-02 7.0072832e-01]], [[1.6472052e-05 5.5758006e-04]
+ [3.2362364e-01 1.7597163e-01]
+ [1.9107080e-02 7.2600440e-01]], [[1.6693277e-05 4.9204218e-04]
+ [3.2429262e-01 1.7600573e-01]
+ [1.9042489e-02 7.3053854e-01]][[2.9719061e-07 8.0925438e-05]
+ [8.9432259e-03 4.4057583e-03]
+ [5.2078407e-04 6.4387688e-03]], [[1.8572081e-07 2.5667235e-05]
+ [1.1641603e-02 5.7444311e-03]
+ [2.6983611e-04 6.9783224e-03]], [[2.4994113e-07 5.4993390e-05]
+ [6.0464041e-03 3.0764811e-03]
+ [2.6559118e-04 7.7279780e-03]], [[2.5965232e-07 3.9618775e-05]
+ [1.0409564e-02 5.1850104e-03]
+ [2.7831231e-04 7.4480576e-03]][[1.0329435e-06 8.0861229e-04]
+ [1.1265142e+00 5.5796079e-01]
+ [1.3965860e-06 5.0338828e-01]], [[2.2264172e-06 1.0828687e-03]
+ [1.4724979e-01 1.0226107e-01]
+ [2.2656045e-05 7.7618945e-01]], [[1.4789782e-05 2.2786630e-04]
+ [1.3149968e-02 2.9847169e-02]
+ [3.2638111e-04 1.1287326e+00]], [[4.7472938e-05 8.9680338e-05]
+ [5.1371041e-03 1.1101179e-02]
+ [7.4149084e-02 4.5347217e-01]][[1.7024771e-08 1.2878244e-05]
+ [1.8795566e-02 9.2705008e-03]
+ [2.2676749e-08 7.0878353e-03]], [[2.2018925e-07 1.0785388e-04]
+ [2.6715019e-03 1.6657928e-03]
+ [1.2479083e-05 8.6814018e-03]], [[2.0928485e-07 1.6600875e-06]
+ [1.1859535e-04 1.7969083e-04]
+ [1.5981387e-05 8.0489308e-03]], [[4.0016381e-07 7.6799157e-07]
+ [4.4157583e-05 9.4462925e-05]
+ [7.0115110e-04 3.8678806e-03]][[0.287433  0.2698042]], [[0.2751228 0.2598525]], [[0.280516  0.2648274]], [[0.2834448 0.2676736]], [[0.0370558 0.2148509]], [[0.0355217 0.2130189]], [[0.0385317 0.2292804]], [[0.0361655 0.2223832]], [[0.0033268 0.2855078]], [[0.0033498 0.2849403]], [[0.003359  0.2901157]], [[0.0034555 0.2982438]], [[0.0192046 0.1128364]], [[0.0195026 0.1147807]], [[0.0203405 0.1183102]], [[0.0202861 0.1187358]][[0.00889   0.0051934]], [[0.0115249 0.0072767]], [[0.0058841 0.0040289]], [[0.0103341 0.0063266]], [[0.0009734 0.0048865]], [[0.0016425 0.0038133]], [[0.0013902 0.0048875]], [[0.0012487 0.0039808]], [[1.8994140e-05 2.0410145e-03]], [[6.8277082e-05 3.4865782e-03]], [[6.1643568e-05 4.9220817e-03]], [[7.4147413e-05 4.9263295e-03]], [[0.0005213 0.0024208]], [[0.0002702 0.0014313]], [[0.0002665 0.0022006]], [[0.0002788 0.0014892]][[2.0601081e-04]
+ [4.2976789e-01]
+ [1.2726338e-01]], [[1.9802070e-04]
+ [4.1138025e-01]
+ [1.2339705e-01]], [[2.0174854e-04]
+ [4.1947542e-01]
+ [1.2566615e-01]], [[2.0386518e-04]
+ [4.2385140e-01]
+ [1.2706310e-01]], [[0.0003403]
+ [0.0624955]
+ [0.189071 ]], [[0.0002601]
+ [0.060449 ]
+ [0.1878314]], [[0.0002765]
+ [0.0652412]
+ [0.2022944]], [[0.0002082]
+ [0.0613252]
+ [0.1970153]], [[6.0336874e-05]
+ [1.0617692e-02]
+ [2.7815664e-01]], [[5.9823997e-05]
+ [1.0664059e-02]
+ [2.7756620e-01]], [[6.0873689e-05]
+ [1.0744209e-02]
+ [2.8266963e-01]], [[6.1621521e-05]
+ [1.0971177e-02]
+ [2.9066650e-01]], [[3.3297391e-05]
+ [3.9432037e-03]
+ [1.2806450e-01]], [[3.3863464e-05]
+ [4.0100180e-03]
+ [1.3023932e-01]], [[3.4930617e-05]
+ [4.1344613e-03]
+ [1.3448129e-01]], [[3.5061805e-05]
+ [4.1505999e-03]
+ [1.3483614e-01]][[5.8259835e-06]
+ [9.9096571e-03]
+ [2.7933778e-03]], [[8.0858909e-06]
+ [1.2843377e-02]
+ [4.5631248e-03]], [[4.3418585e-06]
+ [6.5638646e-03]
+ [2.7874612e-03]], [[6.9046376e-06]
+ [1.1531588e-02]
+ [3.7205377e-03]], [[8.0710599e-05]
+ [1.0889301e-03]
+ [4.8613465e-03]], [[2.4337121e-05]
+ [1.8861117e-03]
+ [3.6987509e-03]], [[5.4812439e-05]
+ [1.7085353e-03]
+ [4.7852139e-03]], [[3.9007791e-05]
+ [1.4998363e-03]
+ [3.8929646e-03]], [[7.5757577e-07]
+ [2.5845755e-05]
+ [2.0409391e-03]], [[1.0302346e-06]
+ [1.1907557e-04]
+ [3.4852130e-03]], [[9.1936614e-07]
+ [1.2974020e-04]
+ [4.9207575e-03]], [[5.6493555e-07]
+ [1.2113685e-04]
+ [4.9253980e-03]], [[5.4602210e-07]
+ [6.5233025e-05]
+ [2.4754550e-03]], [[3.2091909e-07]
+ [3.8472906e-05]
+ [1.4560974e-03]], [[4.8475651e-07]
+ [5.9108262e-05]
+ [2.2158781e-03]], [[3.3737822e-07]
+ [4.0544269e-05]
+ [1.5145628e-03]]
\ No newline at end of file
diff --git a/tests/regression_tests/tally_arithmetic/results_true.dat b/tests/regression_tests/tally_arithmetic/results_true.dat
index 143930dd4..baa380587 100644
--- a/tests/regression_tests/tally_arithmetic/results_true.dat
+++ b/tests/regression_tests/tally_arithmetic/results_true.dat
@@ -1,49 +1,49 @@
-[2.04229e-07 1.28343e-13 1.79333e-04 1.12698e-10 1.89952e-07 1.51210e-07
- 1.66796e-04 1.32777e-04 6.13215e-03 3.85362e-09 3.14746e-03 1.97795e-09
- 5.70345e-03 4.54021e-03 2.92742e-03 2.33037e-03 2.10575e-07 1.28419e-13
- 1.84905e-04 1.12764e-10 1.89188e-07 1.50221e-07 1.66125e-04 1.31908e-04
- 6.32269e-03 3.85587e-09 3.24526e-03 1.97911e-09 5.68054e-03 4.51051e-03
- 2.91566e-03 2.31512e-03 1.96696e-07 1.26388e-13 1.72718e-04 1.10981e-10
- 1.91283e-07 1.53449e-07 1.67964e-04 1.34743e-04 5.90596e-03 3.79491e-09
- 3.03136e-03 1.94782e-09 5.74342e-03 4.60742e-03 2.94794e-03 2.36486e-03
- 2.06016e-07 1.35264e-13 1.80901e-04 1.18775e-10 2.05873e-07 1.65814e-07
- 1.80776e-04 1.45600e-04 6.18579e-03 4.06142e-09 3.17499e-03 2.08461e-09
- 6.18150e-03 4.97869e-03 3.17279e-03 2.55542e-03 2.36089e-03 4.46651e-05
- 1.02263e-02 1.93469e-04 1.18179e-04 2.62375e-05 5.11897e-04 1.13649e-04
- 2.56040e-02 4.84394e-04 4.55595e-02 8.61927e-04 1.28165e-03 2.84546e-04
- 2.28056e-03 5.06320e-04 2.29877e-03 4.53056e-05 9.95724e-03 1.96244e-04
- 1.14803e-04 2.57898e-05 4.97276e-04 1.11710e-04 2.49302e-02 4.91340e-04
- 4.43606e-02 8.74289e-04 1.24504e-03 2.79691e-04 2.21542e-03 4.97680e-04
- 2.31940e-03 4.34238e-05 1.00466e-02 1.88093e-04 1.17620e-04 2.69280e-05
- 5.09479e-04 1.16640e-04 2.51540e-02 4.70932e-04 4.47588e-02 8.37974e-04
- 1.27560e-03 2.92034e-04 2.26979e-03 5.19644e-04 2.19212e-03 4.53914e-05
- 9.49530e-03 1.96615e-04 1.09609e-04 2.41615e-05 4.74778e-04 1.04657e-04
- 2.37736e-02 4.92271e-04 4.23026e-02 8.75944e-04 1.18871e-03 2.62032e-04
- 2.11519e-03 4.66257e-04][2.04229e-07 1.28343e-13 1.79333e-04 1.12698e-10 1.89952e-07 1.51210e-07
- 1.66796e-04 1.32777e-04 6.13215e-03 3.85362e-09 3.14746e-03 1.97795e-09
- 5.70345e-03 4.54021e-03 2.92742e-03 2.33037e-03 2.10575e-07 1.28419e-13
- 1.84905e-04 1.12764e-10 1.89188e-07 1.50221e-07 1.66125e-04 1.31908e-04
- 6.32269e-03 3.85587e-09 3.24526e-03 1.97911e-09 5.68054e-03 4.51051e-03
- 2.91566e-03 2.31512e-03 1.96696e-07 1.26388e-13 1.72718e-04 1.10981e-10
- 1.91283e-07 1.53449e-07 1.67964e-04 1.34743e-04 5.90596e-03 3.79491e-09
- 3.03136e-03 1.94782e-09 5.74342e-03 4.60742e-03 2.94794e-03 2.36486e-03
- 2.06016e-07 1.35264e-13 1.80901e-04 1.18775e-10 2.05873e-07 1.65814e-07
- 1.80776e-04 1.45600e-04 6.18579e-03 4.06142e-09 3.17499e-03 2.08461e-09
- 6.18150e-03 4.97869e-03 3.17279e-03 2.55542e-03 2.36089e-03 4.46651e-05
- 1.02263e-02 1.93469e-04 1.18179e-04 2.62375e-05 5.11897e-04 1.13649e-04
- 2.56040e-02 4.84394e-04 4.55595e-02 8.61927e-04 1.28165e-03 2.84546e-04
- 2.28056e-03 5.06320e-04 2.29877e-03 4.53056e-05 9.95724e-03 1.96244e-04
- 1.14803e-04 2.57898e-05 4.97276e-04 1.11710e-04 2.49302e-02 4.91340e-04
- 4.43606e-02 8.74289e-04 1.24504e-03 2.79691e-04 2.21542e-03 4.97680e-04
- 2.31940e-03 4.34238e-05 1.00466e-02 1.88093e-04 1.17620e-04 2.69280e-05
- 5.09479e-04 1.16640e-04 2.51540e-02 4.70932e-04 4.47588e-02 8.37974e-04
- 1.27560e-03 2.92034e-04 2.26979e-03 5.19644e-04 2.19212e-03 4.53914e-05
- 9.49530e-03 1.96615e-04 1.09609e-04 2.41615e-05 4.74778e-04 1.04657e-04
- 2.37736e-02 4.92271e-04 4.23026e-02 8.75944e-04 1.18871e-03 2.62032e-04
- 2.11519e-03 4.66257e-04][0.0057  0.00454 0.00293 0.00233 0.00568 0.00451 0.00292 0.00232 0.00574
- 0.00461 0.00295 0.00236 0.00618 0.00498 0.00317 0.00256 0.00128 0.00028
- 0.00228 0.00051 0.00125 0.00028 0.00222 0.0005  0.00128 0.00029 0.00227
- 0.00052 0.00119 0.00026 0.00212 0.00047][0.00018 0.00017 0.00315 0.00293 0.00018 0.00017 0.00325 0.00292 0.00017
- 0.00017 0.00303 0.00295 0.00018 0.00018 0.00317 0.00317 0.01023 0.00051
- 0.04556 0.00228 0.00996 0.0005  0.04436 0.00222 0.01005 0.00051 0.04476
- 0.00227 0.0095  0.00047 0.0423  0.00212][0.00293 0.00292 0.00295 0.00317 0.00228 0.00222 0.00227 0.00212]
\ No newline at end of file
+[2.29467e-07 1.47622e-13 2.02646e-04 1.30367e-10 2.20704e-07 1.76624e-07
+ 1.94907e-04 1.55980e-04 6.32267e-03 4.06754e-09 3.26873e-03 2.10286e-09
+ 6.08121e-03 4.86666e-03 3.14390e-03 2.51599e-03 1.89223e-07 1.06256e-13
+ 1.67106e-04 9.38364e-11 1.53300e-07 1.20220e-07 1.35382e-04 1.06168e-04
+ 5.21380e-03 2.92775e-09 2.69546e-03 1.51361e-09 4.22399e-03 3.31252e-03
+ 2.18374e-03 1.71253e-03 2.21146e-07 1.41349e-13 1.95297e-04 1.24828e-10
+ 2.11844e-07 1.69398e-07 1.87083e-04 1.49598e-04 6.09339e-03 3.89470e-09
+ 3.15020e-03 2.01351e-09 5.83710e-03 4.66754e-03 3.01770e-03 2.41305e-03
+ 1.92872e-07 1.05908e-13 1.70328e-04 9.35293e-11 1.59466e-07 1.25399e-07
+ 1.40827e-04 1.10741e-04 5.31433e-03 2.91817e-09 2.74744e-03 1.50865e-09
+ 4.39388e-03 3.45520e-03 2.27158e-03 1.78629e-03 2.44601e-03 4.71663e-05
+ 1.09430e-02 2.11013e-04 1.23573e-04 2.76181e-05 5.52841e-04 1.23558e-04
+ 2.71755e-02 5.24023e-04 4.76200e-02 9.18253e-04 1.37291e-03 3.06841e-04
+ 2.40577e-03 5.37681e-04 2.29014e-03 4.44674e-05 1.02456e-02 1.98938e-04
+ 1.12524e-04 2.48126e-05 5.03411e-04 1.11007e-04 2.54438e-02 4.94038e-04
+ 4.45855e-02 8.65710e-04 1.25016e-03 2.75671e-04 2.19067e-03 4.83061e-04
+ 2.38500e-03 4.58053e-05 1.06700e-02 2.04924e-04 1.22899e-04 2.95267e-05
+ 5.49826e-04 1.32097e-04 2.64977e-02 5.08903e-04 4.64323e-02 8.91758e-04
+ 1.36542e-03 3.28045e-04 2.39265e-03 5.74839e-04 2.17094e-03 4.21772e-05
+ 9.71236e-03 1.88693e-04 1.09358e-04 2.46984e-05 4.89245e-04 1.10496e-04
+ 2.41194e-02 4.68594e-04 4.22648e-02 8.21124e-04 1.21498e-03 2.74402e-04
+ 2.12902e-03 4.80839e-04][2.29467e-07 1.47622e-13 2.02646e-04 1.30367e-10 2.20704e-07 1.76624e-07
+ 1.94907e-04 1.55980e-04 6.32267e-03 4.06754e-09 3.26873e-03 2.10286e-09
+ 6.08121e-03 4.86666e-03 3.14390e-03 2.51599e-03 1.89223e-07 1.06256e-13
+ 1.67106e-04 9.38364e-11 1.53300e-07 1.20220e-07 1.35382e-04 1.06168e-04
+ 5.21380e-03 2.92775e-09 2.69546e-03 1.51361e-09 4.22399e-03 3.31252e-03
+ 2.18374e-03 1.71253e-03 2.21146e-07 1.41349e-13 1.95297e-04 1.24828e-10
+ 2.11844e-07 1.69398e-07 1.87083e-04 1.49598e-04 6.09339e-03 3.89470e-09
+ 3.15020e-03 2.01351e-09 5.83710e-03 4.66754e-03 3.01770e-03 2.41305e-03
+ 1.92872e-07 1.05908e-13 1.70328e-04 9.35293e-11 1.59466e-07 1.25399e-07
+ 1.40827e-04 1.10741e-04 5.31433e-03 2.91817e-09 2.74744e-03 1.50865e-09
+ 4.39388e-03 3.45520e-03 2.27158e-03 1.78629e-03 2.44601e-03 4.71663e-05
+ 1.09430e-02 2.11013e-04 1.23573e-04 2.76181e-05 5.52841e-04 1.23558e-04
+ 2.71755e-02 5.24023e-04 4.76200e-02 9.18253e-04 1.37291e-03 3.06841e-04
+ 2.40577e-03 5.37681e-04 2.29014e-03 4.44674e-05 1.02456e-02 1.98938e-04
+ 1.12524e-04 2.48126e-05 5.03411e-04 1.11007e-04 2.54438e-02 4.94038e-04
+ 4.45855e-02 8.65710e-04 1.25016e-03 2.75671e-04 2.19067e-03 4.83061e-04
+ 2.38500e-03 4.58053e-05 1.06700e-02 2.04924e-04 1.22899e-04 2.95267e-05
+ 5.49826e-04 1.32097e-04 2.64977e-02 5.08903e-04 4.64323e-02 8.91758e-04
+ 1.36542e-03 3.28045e-04 2.39265e-03 5.74839e-04 2.17094e-03 4.21772e-05
+ 9.71236e-03 1.88693e-04 1.09358e-04 2.46984e-05 4.89245e-04 1.10496e-04
+ 2.41194e-02 4.68594e-04 4.22648e-02 8.21124e-04 1.21498e-03 2.74402e-04
+ 2.12902e-03 4.80839e-04][0.00608 0.00487 0.00314 0.00252 0.00422 0.00331 0.00218 0.00171 0.00584
+ 0.00467 0.00302 0.00241 0.00439 0.00346 0.00227 0.00179 0.00137 0.00031
+ 0.00241 0.00054 0.00125 0.00028 0.00219 0.00048 0.00137 0.00033 0.00239
+ 0.00057 0.00121 0.00027 0.00213 0.00048][0.0002  0.00019 0.00327 0.00314 0.00017 0.00014 0.0027  0.00218 0.0002
+ 0.00019 0.00315 0.00302 0.00017 0.00014 0.00275 0.00227 0.01094 0.00055
+ 0.04762 0.00241 0.01025 0.0005  0.04459 0.00219 0.01067 0.00055 0.04643
+ 0.00239 0.00971 0.00049 0.04226 0.00213][0.00314 0.00218 0.00302 0.00227 0.00241 0.00219 0.00239 0.00213]
\ No newline at end of file
diff --git a/tests/regression_tests/tally_assumesep/results_true.dat b/tests/regression_tests/tally_assumesep/results_true.dat
index 9d7cbf9c3..c9ccf0928 100644
--- a/tests/regression_tests/tally_assumesep/results_true.dat
+++ b/tests/regression_tests/tally_assumesep/results_true.dat
@@ -1,11 +1,11 @@
 k-combined:
-5.683578E-01 1.129170E-02
+6.268465E-01 1.154810E-02
 tally 1:
-6.753950E+00
-9.188305E+00
+7.828708E+00
+1.230478E+01
 tally 2:
-2.278558E-01
-1.052944E-02
+2.582239E-01
+1.360117E-02
 tally 3:
-1.179091E+01
-2.795539E+01
+1.339335E+01
+3.663458E+01
diff --git a/tests/regression_tests/tally_nuclides/results_true.dat b/tests/regression_tests/tally_nuclides/results_true.dat
index 7f9641fc8..93a0e03fb 100644
--- a/tests/regression_tests/tally_nuclides/results_true.dat
+++ b/tests/regression_tests/tally_nuclides/results_true.dat
@@ -1,28 +1,28 @@
 k-combined:
-1.132463E+00 5.721067E-02
+9.732610E-01 1.400780E-02
 tally 1:
-7.310528E+00
-1.080411E+01
-1.664215E+00
-5.567756E-01
-1.609340E+00
-5.205634E-01
-5.646313E+00
-6.459724E+00
-7.310528E+00
-1.080411E+01
-1.664215E+00
-5.567756E-01
-1.609340E+00
-5.205634E-01
-5.646313E+00
-6.459724E+00
+7.123025E+00
+1.021136E+01
+1.619905E+00
+5.258592E-01
+1.561322E+00
+4.881841E-01
+5.503120E+00
+6.105683E+00
+7.123025E+00
+1.021136E+01
+1.619905E+00
+5.258592E-01
+1.561322E+00
+4.881841E-01
+5.503120E+00
+6.105683E+00
 tally 2:
-7.310528E+00
-1.080411E+01
-1.664215E+00
-5.567756E-01
-1.609340E+00
-5.205634E-01
-5.646313E+00
-6.459724E+00
+7.123025E+00
+1.021136E+01
+1.619905E+00
+5.258592E-01
+1.561322E+00
+4.881841E-01
+5.503120E+00
+6.105683E+00
diff --git a/tests/regression_tests/tally_slice_merge/results_true.dat b/tests/regression_tests/tally_slice_merge/results_true.dat
index 58b15fc18..4b2cbdf1a 100644
--- a/tests/regression_tests/tally_slice_merge/results_true.dat
+++ b/tests/regression_tests/tally_slice_merge/results_true.dat
@@ -1,45 +1,45 @@
    cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    21         0.00e+00          6.25e-01    U235  fission 1.75e-01   1.20e-02   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    21         0.00e+00          6.25e-01    U235  nu-fission 4.26e-01   2.92e-02   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    21         0.00e+00          6.25e-01    U238  fission 2.41e-07   1.61e-08   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    21         0.00e+00          6.25e-01    U238  nu-fission 6.00e-07   4.01e-08   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    21         6.25e-01          2.00e+07    U235  fission 2.89e-02   2.07e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    21         6.25e-01          2.00e+07    U235  nu-fission 7.07e-02   5.06e-03   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    21         6.25e-01          2.00e+07    U238  fission 1.41e-02   5.76e-04   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    21         6.25e-01          2.00e+07    U238  nu-fission 3.95e-02   1.90e-03   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    27         0.00e+00          6.25e-01    U235  fission 1.51e-01   1.17e-02   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    27         0.00e+00          6.25e-01    U235  nu-fission 3.69e-01   2.86e-02   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    27         0.00e+00          6.25e-01    U238  fission 2.07e-07   1.47e-08   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    27         0.00e+00          6.25e-01    U238  nu-fission 5.17e-07   3.66e-08   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    27         6.25e-01          2.00e+07    U235  fission 2.57e-02   2.43e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    27         6.25e-01          2.00e+07    U235  nu-fission 6.30e-02   5.92e-03   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
-0    27         6.25e-01          2.00e+07    U238  fission 1.47e-02   1.41e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0    27         6.25e-01          2.00e+07    U238  nu-fission 4.12e-02   4.02e-03    cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0     21         0.00e+00          6.25e-01    U235     fission 1.75e-01   1.20e-02
-1     21         0.00e+00          6.25e-01    U235  nu-fission 4.26e-01   2.92e-02
-2     21         0.00e+00          6.25e-01    U238     fission 2.41e-07   1.61e-08
-3     21         0.00e+00          6.25e-01    U238  nu-fission 6.00e-07   4.01e-08
-4     21         6.25e-01          2.00e+07    U235     fission 2.89e-02   2.07e-03
-5     21         6.25e-01          2.00e+07    U235  nu-fission 7.07e-02   5.06e-03
-6     21         6.25e-01          2.00e+07    U238     fission 1.41e-02   5.76e-04
-7     21         6.25e-01          2.00e+07    U238  nu-fission 3.95e-02   1.90e-03
-8     27         0.00e+00          6.25e-01    U235     fission 1.51e-01   1.17e-02
-9     27         0.00e+00          6.25e-01    U235  nu-fission 3.69e-01   2.86e-02
-10    27         0.00e+00          6.25e-01    U238     fission 2.07e-07   1.47e-08
-11    27         0.00e+00          6.25e-01    U238  nu-fission 5.17e-07   3.66e-08
-12    27         6.25e-01          2.00e+07    U235     fission 2.57e-02   2.43e-03
-13    27         6.25e-01          2.00e+07    U235  nu-fission 6.30e-02   5.92e-03
-14    27         6.25e-01          2.00e+07    U238     fission 1.47e-02   1.41e-03
-15    27         6.25e-01          2.00e+07    U238  nu-fission 4.12e-02   4.02e-03
+0    21         0.00e+00          6.25e-01    U235  fission 1.93e-01   1.92e-02   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    21         0.00e+00          6.25e-01    U235  nu-fission 4.70e-01   4.67e-02   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    21         0.00e+00          6.25e-01    U238  fission 2.65e-07   2.60e-08   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    21         0.00e+00          6.25e-01    U238  nu-fission 6.60e-07   6.47e-08   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    21         6.25e-01          2.00e+07    U235  fission 3.39e-02   1.53e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    21         6.25e-01          2.00e+07    U235  nu-fission 8.30e-02   3.75e-03   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    21         6.25e-01          2.00e+07    U238  fission 1.70e-02   2.01e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    21         6.25e-01          2.00e+07    U238  nu-fission 4.76e-02   6.12e-03   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    27         0.00e+00          6.25e-01    U235  fission 7.61e-02   5.84e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    27         0.00e+00          6.25e-01    U235  nu-fission 1.85e-01   1.42e-02   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    27         0.00e+00          6.25e-01    U238  fission 1.06e-07   7.62e-09   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    27         0.00e+00          6.25e-01    U238  nu-fission 2.64e-07   1.90e-08   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    27         6.25e-01          2.00e+07    U235  fission 1.69e-02   1.34e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    27         6.25e-01          2.00e+07    U235  nu-fission 4.15e-02   3.29e-03   cell  energy low [eV]  energy high [eV] nuclide    score     mean  std. dev.
+0    27         6.25e-01          2.00e+07    U238  fission 1.10e-02   1.69e-03   cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0    27         6.25e-01          2.00e+07    U238  nu-fission 3.13e-02   5.35e-03    cell  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
+0     21         0.00e+00          6.25e-01    U235     fission 1.93e-01   1.92e-02
+1     21         0.00e+00          6.25e-01    U235  nu-fission 4.70e-01   4.67e-02
+2     21         0.00e+00          6.25e-01    U238     fission 2.65e-07   2.60e-08
+3     21         0.00e+00          6.25e-01    U238  nu-fission 6.60e-07   6.47e-08
+4     21         6.25e-01          2.00e+07    U235     fission 3.39e-02   1.53e-03
+5     21         6.25e-01          2.00e+07    U235  nu-fission 8.30e-02   3.75e-03
+6     21         6.25e-01          2.00e+07    U238     fission 1.70e-02   2.01e-03
+7     21         6.25e-01          2.00e+07    U238  nu-fission 4.76e-02   6.12e-03
+8     27         0.00e+00          6.25e-01    U235     fission 7.61e-02   5.84e-03
+9     27         0.00e+00          6.25e-01    U235  nu-fission 1.85e-01   1.42e-02
+10    27         0.00e+00          6.25e-01    U238     fission 1.06e-07   7.62e-09
+11    27         0.00e+00          6.25e-01    U238  nu-fission 2.64e-07   1.90e-08
+12    27         6.25e-01          2.00e+07    U235     fission 1.69e-02   1.34e-03
+13    27         6.25e-01          2.00e+07    U235  nu-fission 4.15e-02   3.29e-03
+14    27         6.25e-01          2.00e+07    U238     fission 1.10e-02   1.69e-03
+15    27         6.25e-01          2.00e+07    U238  nu-fission 3.13e-02   5.35e-03
          sum(distribcell)  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
 0   (0, 100, 2000, 30000)         0.00e+00          6.25e-01    U235     fission 0.00e+00   0.00e+00
 1   (0, 100, 2000, 30000)         0.00e+00          6.25e-01    U235  nu-fission 0.00e+00   0.00e+00
 2   (0, 100, 2000, 30000)         0.00e+00          6.25e-01    U238     fission 0.00e+00   0.00e+00
 3   (0, 100, 2000, 30000)         0.00e+00          6.25e-01    U238  nu-fission 0.00e+00   0.00e+00
-4   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U235     fission 9.53e-07   9.53e-07
-5   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U235  nu-fission 2.37e-06   2.37e-06
-6   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U238     fission 1.25e-08   1.25e-08
-7   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U238  nu-fission 3.15e-08   3.15e-08
+4   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U235     fission 0.00e+00   0.00e+00
+5   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U235  nu-fission 0.00e+00   0.00e+00
+6   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U238     fission 0.00e+00   0.00e+00
+7   (0, 100, 2000, 30000)         6.25e-01          2.00e+07    U238  nu-fission 0.00e+00   0.00e+00
 8      (500, 5000, 50000)         0.00e+00          6.25e-01    U235     fission 0.00e+00   0.00e+00
 9      (500, 5000, 50000)         0.00e+00          6.25e-01    U235  nu-fission 0.00e+00   0.00e+00
 10     (500, 5000, 50000)         0.00e+00          6.25e-01    U238     fission 0.00e+00   0.00e+00
@@ -49,19 +49,19 @@
 14     (500, 5000, 50000)         6.25e-01          2.00e+07    U238     fission 0.00e+00   0.00e+00
 15     (500, 5000, 50000)         6.25e-01          2.00e+07    U238  nu-fission 0.00e+00   0.00e+00
            sum(mesh)  energy low [eV]  energy high [eV] nuclide       score     mean  std. dev.
-0   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U235     fission 6.73e-03   3.04e-03
-1   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U235  nu-fission 1.64e-02   7.40e-03
-2   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U238     fission 8.80e-09   3.84e-09
-3   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U238  nu-fission 2.19e-08   9.56e-09
-4   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U235     fission 9.89e-04   3.53e-04
-5   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U235  nu-fission 2.42e-03   8.60e-04
-6   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U238     fission 5.01e-04   2.13e-04
-7   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U238  nu-fission 1.36e-03   5.86e-04
-8   ((2, 1), (2, 2))         0.00e+00          6.25e-01    U235     fission 1.63e-02   4.21e-03
-9   ((2, 1), (2, 2))         0.00e+00          6.25e-01    U235  nu-fission 3.98e-02   1.02e-02
-10  ((2, 1), (2, 2))         0.00e+00          6.25e-01    U238     fission 2.28e-08   5.90e-09
-11  ((2, 1), (2, 2))         0.00e+00          6.25e-01    U238  nu-fission 5.67e-08   1.47e-08
-12  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U235     fission 1.79e-03   4.31e-04
-13  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U235  nu-fission 4.37e-03   1.05e-03
-14  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U238     fission 7.51e-04   2.51e-04
-15  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U238  nu-fission 2.02e-03   6.71e-04
+0   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U235     fission 1.94e-03   1.03e-03
+1   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U235  nu-fission 4.74e-03   2.50e-03
+2   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U238     fission 2.74e-09   1.42e-09
+3   ((1, 1), (1, 2))         0.00e+00          6.25e-01    U238  nu-fission 6.83e-09   3.53e-09
+4   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U235     fission 9.02e-04   3.69e-04
+5   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U235  nu-fission 2.24e-03   9.12e-04
+6   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U238     fission 1.44e-03   8.42e-04
+7   ((1, 1), (1, 2))         6.25e-01          2.00e+07    U238  nu-fission 4.37e-03   2.64e-03
+8   ((2, 1), (2, 2))         0.00e+00          6.25e-01    U235     fission 1.27e-02   2.76e-03
+9   ((2, 1), (2, 2))         0.00e+00          6.25e-01    U235  nu-fission 3.09e-02   6.72e-03
+10  ((2, 1), (2, 2))         0.00e+00          6.25e-01    U238     fission 1.70e-08   3.57e-09
+11  ((2, 1), (2, 2))         0.00e+00          6.25e-01    U238  nu-fission 4.25e-08   8.90e-09
+12  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U235     fission 1.43e-03   1.69e-04
+13  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U235  nu-fission 3.52e-03   4.20e-04
+14  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U238     fission 1.37e-03   2.98e-04
+15  ((2, 1), (2, 2))         6.25e-01          2.00e+07    U238  nu-fission 4.16e-03   1.08e-03
diff --git a/tests/regression_tests/torus/results_true.dat b/tests/regression_tests/torus/results_true.dat
index 42fb209cc..84cd3c7a4 100644
--- a/tests/regression_tests/torus/results_true.dat
+++ b/tests/regression_tests/torus/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-7.667201E-01 1.136882E-02
+7.666453E-01 1.478848E-02
diff --git a/tests/regression_tests/trace/results_true.dat b/tests/regression_tests/trace/results_true.dat
index bbf03de94..97b997ae6 100644
--- a/tests/regression_tests/trace/results_true.dat
+++ b/tests/regression_tests/trace/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
diff --git a/tests/regression_tests/track_output/results_true.dat b/tests/regression_tests/track_output/results_true.dat
index 148b54a30..205ac3eec 100644
--- a/tests/regression_tests/track_output/results_true.dat
+++ b/tests/regression_tests/track_output/results_true.dat
@@ -143,76 +143,74 @@ neutron [((-9.469716e-01, -2.580266e-01, 1.414357e-01), (1.438873e-01, 2.365819e
  ((-3.920090e+00, -9.211794e-01, 2.908406e+00), (9.094673e-01, -3.659267e-01, -1.974002e-01), 9.547085e+00, 1.260840e-07, 1.000000e+00, 23, 2387, 1)
  ((-3.729948e+00, -9.976834e-01, 2.867135e+00), (-2.916959e-01, -6.494657e-01, -7.022164e-01), 8.590591e+00, 1.750036e-07, 1.000000e+00, 23, 2387, 1)
  ((-3.744933e+00, -1.031047e+00, 2.831062e+00), (-2.916959e-01, -6.494657e-01, -7.022164e-01), 8.590591e+00, 1.876753e-07, 0.000000e+00, 23, 2387, 1)]
-neutron [((6.474155e+00, -5.192870e+00, 5.413003e+00), (-9.112559e-01, 3.950037e-01, 1.165536e-01), 2.052226e+06, 4.450859e-05, 1.000000e+00, 21, 2367, 2)
- ((6.037250e+00, -5.003484e+00, 5.468885e+00), (-9.112559e-01, 3.950037e-01, 1.165536e-01), 2.052226e+06, 4.450883e-05, 1.000000e+00, 22, 2367, 3)
- ((5.942573e+00, -4.962444e+00, 5.480995e+00), (-9.112559e-01, 3.950037e-01, 1.165536e-01), 2.052226e+06, 4.450889e-05, 1.000000e+00, 23, 2367, 1)
- ((5.861800e+00, -4.927431e+00, 5.491326e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.450893e-05, 1.000000e+00, 23, 2367, 1)
- ((5.725160e+00, -4.971424e+00, 5.491002e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.450903e-05, 1.000000e+00, 23, 2366, 1)
- ((5.494150e+00, -5.045802e+00, 5.490454e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.450919e-05, 1.000000e+00, 22, 2366, 3)
- ((5.392865e+00, -5.078412e+00, 5.490213e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.450927e-05, 1.000000e+00, 21, 2366, 2)
- ((4.612759e+00, -5.329579e+00, 5.488362e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.450982e-05, 1.000000e+00, 22, 2366, 3)
- ((4.511474e+00, -5.362189e+00, 5.488121e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.450989e-05, 1.000000e+00, 23, 2366, 1)
- ((4.089400e+00, -5.498082e+00, 5.487119e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.451019e-05, 1.000000e+00, 23, 2365, 1)
- ((3.384113e+00, -5.725160e+00, 5.485445e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.451069e-05, 1.000000e+00, 23, 2351, 1)
- ((2.453640e+00, -6.024740e+00, 5.483237e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.451136e-05, 1.000000e+00, 23, 2350, 1)
- ((2.086813e+00, -6.142846e+00, 5.482366e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.451162e-05, 1.000000e+00, 22, 2350, 3)
- ((1.993594e+00, -6.172859e+00, 5.482145e+00), (-9.518772e-01, -3.064714e-01, -2.259335e-03), 1.141417e+06, 4.451168e-05, 1.000000e+00, 21, 2350, 2)
- ((1.325704e+00, -6.387896e+00, 5.480560e+00), (8.986086e-01, -4.380574e-01, -2.466265e-02), 9.775839e+05, 4.451216e-05, 1.000000e+00, 21, 2350, 2)
- ((2.061403e+00, -6.746538e+00, 5.460368e+00), (-7.778764e-01, 2.051975e-01, -5.939716e-01), 7.813219e+05, 4.451276e-05, 1.000000e+00, 21, 2350, 2)
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+ ((6.275105e+00, -9.190979e+00, 8.018862e+00), (-7.174952e-01, 5.897531e-01, -3.706642e-01), 9.207900e+03, 4.453022e-05, 1.000000e+00, 23, 2326, 1)
+ ((6.038719e+00, -8.996680e+00, 7.896743e+00), (-7.174952e-01, 5.897531e-01, -3.706642e-01), 9.207900e+03, 4.453271e-05, 1.000000e+00, 23, 2339, 1)
+ ((6.028805e+00, -8.988531e+00, 7.891621e+00), (-2.989803e-01, 4.300779e-01, -8.518473e-01), 5.653774e+03, 4.453281e-05, 1.000000e+00, 23, 2339, 1)
+ ((5.725160e+00, -8.551743e+00, 7.026484e+00), (-2.989803e-01, 4.300779e-01, -8.518473e-01), 5.653774e+03, 4.454257e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.507324e+00, -8.238390e+00, 6.405832e+00), (-2.989803e-01, 4.300779e-01, -8.518473e-01), 5.653774e+03, 4.454958e-05, 1.000000e+00, 22, 2338, 3)
+ ((5.417387e+00, -8.109017e+00, 6.149584e+00), (-2.989803e-01, 4.300779e-01, -8.518473e-01), 5.653774e+03, 4.455247e-05, 1.000000e+00, 21, 2338, 2)
+ ((5.162017e+00, -7.741671e+00, 5.421991e+00), (7.522612e-01, -1.036919e-01, -6.506543e-01), 5.619608e+03, 4.456069e-05, 1.000000e+00, 21, 2338, 2)
+ ((5.184146e+00, -7.744722e+00, 5.402851e+00), (7.522612e-01, -1.036919e-01, -6.506543e-01), 5.619608e+03, 4.456097e-05, 1.000000e+00, 22, 2338, 3)
+ ((5.348057e+00, -7.767315e+00, 5.261079e+00), (7.522612e-01, -1.036919e-01, -6.506543e-01), 5.619608e+03, 4.456307e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.581568e+00, -7.799502e+00, 5.059108e+00), (2.029690e-01, -4.131185e-01, -8.877706e-01), 3.359662e+03, 4.456606e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.707007e+00, -8.054818e+00, 4.510447e+00), (3.894183e-01, -7.459178e-01, -5.403333e-01), 3.303714e+03, 4.457377e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.725160e+00, -8.089590e+00, 4.485259e+00), (3.894183e-01, -7.459178e-01, -5.403333e-01), 3.303714e+03, 4.457436e-05, 1.000000e+00, 23, 2339, 1)
+ ((5.750893e+00, -8.138881e+00, 4.449554e+00), (-2.879829e-01, -5.545287e-01, -7.807456e-01), 1.744626e+03, 4.457519e-05, 1.000000e+00, 23, 2339, 1)
+ ((5.725160e+00, -8.188431e+00, 4.379790e+00), (-2.879829e-01, -5.545287e-01, -7.807456e-01), 1.744626e+03, 4.457674e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.532143e+00, -8.560097e+00, 3.856504e+00), (-6.185172e-01, -7.766669e-01, -1.192687e-01), 8.559363e+02, 4.458834e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.522333e+00, -8.572415e+00, 3.854613e+00), (-3.452053e-01, -2.657159e-02, -9.381510e-01), 9.272133e+01, 4.458873e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.366948e+00, -8.584375e+00, 3.432328e+00), (4.761677e-01, -8.187551e-01, -3.207871e-01), 6.522002e+00, 4.462253e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.516634e+00, -8.841755e+00, 3.331487e+00), (4.237115e-01, -6.022578e-01, 6.765752e-01), 9.968491e-01, 4.471152e-05, 1.000000e+00, 23, 2338, 1)
+ ((5.625629e+00, -8.996680e+00, 3.505530e+00), (4.237115e-01, -6.022578e-01, 6.765752e-01), 9.968491e-01, 4.489779e-05, 1.000000e+00, 23, 2325, 1)
+ ((5.723424e+00, -9.135684e+00, 3.661687e+00), (7.706137e-01, -6.358415e-01, 4.312932e-02), 5.695813e-01, 4.506493e-05, 1.000000e+00, 23, 2325, 1)
+ ((5.725160e+00, -9.137116e+00, 3.661784e+00), (7.706137e-01, -6.358415e-01, 4.312932e-02), 5.695813e-01, 4.506708e-05, 1.000000e+00, 23, 2326, 1)
+ ((6.079210e+00, -9.429247e+00, 3.681599e+00), (7.706137e-01, -6.358415e-01, 4.312932e-02), 5.695813e-01, 4.550721e-05, 1.000000e+00, 22, 2326, 3)
+ ((6.147194e+00, -9.485341e+00, 3.685404e+00), (7.706137e-01, -6.358415e-01, 4.312932e-02), 5.695813e-01, 4.559172e-05, 1.000000e+00, 21, 2326, 2)
+ ((6.864744e+00, -1.007740e+01, 3.725564e+00), (3.888690e-01, -8.895503e-01, -2.397522e-01), 5.691123e-01, 4.648372e-05, 1.000000e+00, 21, 2326, 2)
+ ((6.908415e+00, -1.017730e+01, 3.698639e+00), (3.888690e-01, -8.895503e-01, -2.397522e-01), 5.691123e-01, 4.659135e-05, 1.000000e+00, 22, 2326, 3)
+ ((6.945959e+00, -1.026318e+01, 3.675492e+00), (3.888690e-01, -8.895503e-01, -2.397522e-01), 5.691123e-01, 4.668388e-05, 1.000000e+00, 23, 2326, 1)
+ ((6.966122e+00, -1.030930e+01, 3.663060e+00), (7.493672e-01, -6.303754e-01, 2.026713e-01), 2.849108e-01, 4.673357e-05, 1.000000e+00, 23, 2326, 1)
+ ((7.350254e+00, -1.063244e+01, 3.766951e+00), (7.493672e-01, -6.303754e-01, 2.026713e-01), 2.849108e-01, 4.742789e-05, 1.000000e+00, 23, 2311, 1)
+ ((7.360920e+00, -1.064141e+01, 3.769836e+00), (7.493672e-01, -6.303754e-01, 2.026713e-01), 2.849108e-01, 4.744717e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.449168e+00, -1.071565e+01, 3.793703e+00), (1.626881e-01, -1.480918e-01, 9.755006e-01), 2.025207e-01, 4.760667e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.495754e+00, -1.075805e+01, 4.073039e+00), (-1.185723e-01, -6.787603e-01, 7.247241e-01), 2.121260e-01, 4.806671e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.451135e+00, -1.101347e+01, 4.345753e+00), (-4.978877e-01, -3.750598e-02, 8.664301e-01), 2.609768e-02, 4.865741e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.426401e+00, -1.101533e+01, 4.388795e+00), (9.221835e-01, -6.407530e-02, 3.814078e-01), 2.031765e-02, 4.887973e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.438938e+00, -1.101621e+01, 4.393980e+00), (8.832139e-01, 3.563144e-01, 3.049151e-01), 2.038019e-02, 4.894869e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.578355e+00, -1.095996e+01, 4.442112e+00), (5.564936e-01, 8.135970e-01, 1.684482e-01), 4.869241e-02, 4.974811e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.802376e+00, -1.063244e+01, 4.509922e+00), (5.564936e-01, 8.135970e-01, 1.684482e-01), 4.869241e-02, 5.106705e-05, 1.000000e+00, 23, 2327, 1)
+ ((7.826035e+00, -1.059785e+01, 4.517083e+00), (-8.227572e-01, -5.662268e-01, 4.957651e-02), 8.202195e-02, 5.120634e-05, 1.000000e+00, 23, 2327, 1)
+ ((7.775776e+00, -1.063244e+01, 4.520112e+00), (-8.227572e-01, -5.662268e-01, 4.957651e-02), 8.202195e-02, 5.136055e-05, 1.000000e+00, 23, 2312, 1)
+ ((7.360920e+00, -1.091795e+01, 4.545109e+00), (-8.227572e-01, -5.662268e-01, 4.957651e-02), 8.202195e-02, 5.263343e-05, 1.000000e+00, 23, 2311, 1)
+ ((7.180267e+00, -1.104227e+01, 4.555995e+00), (5.568446e-01, -6.706436e-01, -4.900625e-01), 5.560680e-02, 5.318772e-05, 1.000000e+00, 23, 2311, 1)
+ ((7.207392e+00, -1.107494e+01, 4.532123e+00), (9.936512e-01, 4.529367e-02, -1.029847e-01), 8.142074e-02, 5.333706e-05, 1.000000e+00, 23, 2311, 1)
+ ((7.252245e+00, -1.107290e+01, 4.527474e+00), (9.936512e-01, 4.529367e-02, -1.029847e-01), 8.142074e-02, 5.345144e-05, 0.000000e+00, 23, 2311, 1)]
diff --git a/tests/regression_tests/translation/results_true.dat b/tests/regression_tests/translation/results_true.dat
index f832aa296..6e03d2224 100644
--- a/tests/regression_tests/translation/results_true.dat
+++ b/tests/regression_tests/translation/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-4.087580E-01 4.466279E-03
+4.076610E-01 6.454244E-03
diff --git a/tests/regression_tests/trigger_batch_interval/results_true.dat b/tests/regression_tests/trigger_batch_interval/results_true.dat
index 0571d6c4f..92fa99d87 100644
--- a/tests/regression_tests/trigger_batch_interval/results_true.dat
+++ b/tests/regression_tests/trigger_batch_interval/results_true.dat
@@ -1,28 +1,28 @@
 k-combined:
-9.767929E-01 5.327552E-03
+9.863217E-01 6.499354E-03
 tally 1:
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
 tally 2:
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
diff --git a/tests/regression_tests/trigger_no_batch_interval/results_true.dat b/tests/regression_tests/trigger_no_batch_interval/results_true.dat
index 0571d6c4f..92fa99d87 100644
--- a/tests/regression_tests/trigger_no_batch_interval/results_true.dat
+++ b/tests/regression_tests/trigger_no_batch_interval/results_true.dat
@@ -1,28 +1,28 @@
 k-combined:
-9.767929E-01 5.327552E-03
+9.863217E-01 6.499354E-03
 tally 1:
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
 tally 2:
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
diff --git a/tests/regression_tests/trigger_no_status/results_true.dat b/tests/regression_tests/trigger_no_status/results_true.dat
index fb6c0086a..a62e1b3fe 100644
--- a/tests/regression_tests/trigger_no_status/results_true.dat
+++ b/tests/regression_tests/trigger_no_status/results_true.dat
@@ -1,28 +1,28 @@
 k-combined:
-9.682315E-01 3.302924E-03
+9.858966E-01 1.500542E-02
 tally 1:
-7.046510E+00
-9.932168E+00
-1.591675E+00
-5.067777E-01
-1.541572E+00
-4.753743E-01
-5.454835E+00
-5.951990E+00
-7.046510E+00
-9.932168E+00
-1.591675E+00
-5.067777E-01
-1.541572E+00
-4.753743E-01
-5.454835E+00
-5.951990E+00
+7.081828E+00
+1.003709E+01
+1.607382E+00
+5.171386E-01
+1.559242E+00
+4.866413E-01
+5.474447E+00
+5.997737E+00
+7.081828E+00
+1.003709E+01
+1.607382E+00
+5.171386E-01
+1.559242E+00
+4.866413E-01
+5.474447E+00
+5.997737E+00
 tally 2:
-7.046510E+00
-9.932168E+00
-1.591675E+00
-5.067777E-01
-1.541572E+00
-4.753743E-01
-5.454835E+00
-5.951990E+00
+7.081828E+00
+1.003709E+01
+1.607382E+00
+5.171386E-01
+1.559242E+00
+4.866413E-01
+5.474447E+00
+5.997737E+00
diff --git a/tests/regression_tests/trigger_statepoint_restart/inputs_true.dat b/tests/regression_tests/trigger_statepoint_restart/inputs_true.dat
index 01755ad8b..59a829700 100644
--- a/tests/regression_tests/trigger_statepoint_restart/inputs_true.dat
+++ b/tests/regression_tests/trigger_statepoint_restart/inputs_true.dat
@@ -16,7 +16,7 @@
     <batches>15</batches>
     <inactive>10</inactive>
     <keff_trigger>
-      <threshold>0.003</threshold>
+      <threshold>0.002</threshold>
       <type>std_dev</type>
     </keff_trigger>
     <trigger>
diff --git a/tests/regression_tests/trigger_statepoint_restart/results_true.dat b/tests/regression_tests/trigger_statepoint_restart/results_true.dat
index 3e6619d74..3cb1e230d 100644
--- a/tests/regression_tests/trigger_statepoint_restart/results_true.dat
+++ b/tests/regression_tests/trigger_statepoint_restart/results_true.dat
@@ -1,5 +1,5 @@
 k-combined:
-3.014717E-01 2.864764E-03
+2.948661E-01 1.949846E-03
 tally 1:
-8.946107E+01
-7.281263E+02
+5.515170E+01
+4.349007E+02
diff --git a/tests/regression_tests/trigger_statepoint_restart/test.py b/tests/regression_tests/trigger_statepoint_restart/test.py
index 8144c1d0b..b242f7f1c 100644
--- a/tests/regression_tests/trigger_statepoint_restart/test.py
+++ b/tests/regression_tests/trigger_statepoint_restart/test.py
@@ -29,7 +29,7 @@ def model():
     settings.inactive = 10
     settings.particles = 400
     # Choose a sufficiently low threshold to enable use of trigger
-    settings.keff_trigger = {'type': 'std_dev', 'threshold': 0.003}
+    settings.keff_trigger = {'type': 'std_dev', 'threshold': 0.002}
     settings.trigger_max_batches = 1000
     settings.trigger_batch_interval = 1
     settings.trigger_active = True
@@ -41,10 +41,10 @@ def model():
     tallies = openmc.Tallies([t])
 
     # Put it all together
-    model = openmc.model.Model(materials=materials,
-                               geometry=geometry,
-                               settings=settings,
-                               tallies=tallies)
+    model = openmc.Model(materials=materials,
+                         geometry=geometry,
+                         settings=settings,
+                         tallies=tallies)
     return model
 
 
diff --git a/tests/regression_tests/trigger_tallies/results_true.dat b/tests/regression_tests/trigger_tallies/results_true.dat
index 0571d6c4f..92fa99d87 100644
--- a/tests/regression_tests/trigger_tallies/results_true.dat
+++ b/tests/regression_tests/trigger_tallies/results_true.dat
@@ -1,28 +1,28 @@
 k-combined:
-9.767929E-01 5.327552E-03
+9.863217E-01 6.499354E-03
 tally 1:
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
 tally 2:
-1.405471E+01
-1.976444E+01
-3.186139E+00
-1.015515E+00
-3.088643E+00
-9.542994E-01
-1.086857E+01
-1.182011E+01
+1.423436E+01
+2.027258E+01
+3.223740E+00
+1.039872E+00
+3.125016E+00
+9.771709E-01
+1.101062E+01
+1.212977E+01
diff --git a/tests/regression_tests/triso/results_true.dat b/tests/regression_tests/triso/results_true.dat
index fa1842e54..d9850e410 100644
--- a/tests/regression_tests/triso/results_true.dat
+++ b/tests/regression_tests/triso/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-1.716873E+00 5.266107E-02
+1.604832E+00 2.031393E-03
diff --git a/tests/regression_tests/uniform_fs/results_true.dat b/tests/regression_tests/uniform_fs/results_true.dat
index 46654b49b..f7ceecfb7 100644
--- a/tests/regression_tests/uniform_fs/results_true.dat
+++ b/tests/regression_tests/uniform_fs/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.685309E-01 1.861720E-03
+3.675645E-01 4.342970E-03
diff --git a/tests/regression_tests/universe/results_true.dat b/tests/regression_tests/universe/results_true.dat
index bbf03de94..97b997ae6 100644
--- a/tests/regression_tests/universe/results_true.dat
+++ b/tests/regression_tests/universe/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-3.070134E-01 3.900396E-03
+2.940336E-01 7.338463E-04
diff --git a/tests/regression_tests/white_plane/results_true.dat b/tests/regression_tests/white_plane/results_true.dat
index 6f1d064eb..ffb19491d 100644
--- a/tests/regression_tests/white_plane/results_true.dat
+++ b/tests/regression_tests/white_plane/results_true.dat
@@ -1,2 +1,2 @@
 k-combined:
-2.279719E+00 5.380792E-03
+2.274312E+00 4.223342E-03
diff --git a/tests/unit_tests/test_deplete_resultslist.py b/tests/unit_tests/test_deplete_resultslist.py
index 308eccf7b..9a4699a4f 100644
--- a/tests/unit_tests/test_deplete_resultslist.py
+++ b/tests/unit_tests/test_deplete_resultslist.py
@@ -21,14 +21,14 @@ def test_get_activity(res):
 
     t_ref = np.array([0.0, 1296000.0, 2592000.0, 3888000.0])
     a_ref = np.array(
-        [1.25167956e+06, 3.71938527e+11, 4.43264300e+11, 3.55547176e+11])
+        [1.25167956e+06, 3.69842310e+11, 3.70099291e+11, 3.53629755e+11])
 
     np.testing.assert_allclose(t, t_ref)
     np.testing.assert_allclose(a, a_ref)
 
     # Check by_nuclide
     a_xe135_ref = np.array(
-        [2.106574218e+05, 1.227519888e+11, 1.177491828e+11, 1.031986176e+11])
+        [2.10657422e+05, 1.12825236e+11, 1.09055177e+11, 1.07491257e+11])
     t_nuc, a_nuc = res.get_activity("1", by_nuclide=True)
 
     a_xe135 = np.array([a_nuc_i["Xe135"] for a_nuc_i in a_nuc])
@@ -43,7 +43,7 @@ def test_get_atoms(res):
 
     t_ref = np.array([0.0, 1296000.0, 2592000.0, 3888000.0])
     n_ref = np.array(
-        [6.67473282e+08, 3.88942731e+14, 3.73091215e+14, 3.26987387e+14])
+        [6.67473282e+08, 3.57489567e+14, 3.45544042e+14, 3.40588723e+14])
 
     np.testing.assert_allclose(t, t_ref)
     np.testing.assert_allclose(n, n_ref)
@@ -71,7 +71,7 @@ def test_get_decay_heat(res):
 
     t_ref = np.array([0.0, 1296000.0, 2592000.0, 3888000.0])
     dh_ref = np.array(
-        [1.27933813e-09, 5.85347232e-03, 7.38773010e-03, 5.79954067e-03])
+        [1.27933813e-09, 5.95370258e-03, 6.01335600e-03, 5.69831173e-03])
 
     t, dh = res.get_decay_heat("1")
 
@@ -80,7 +80,7 @@ def test_get_decay_heat(res):
 
     # Check by nuclide
     dh_xe135_ref = np.array(
-        [1.27933813e-09, 7.45481920e-04, 7.15099509e-04, 6.26732849e-04])
+        [1.27933813e-09, 6.85196014e-04, 6.62300168e-04, 6.52802366e-04])
     t_nuc, dh_nuc = res.get_decay_heat("1", by_nuclide=True)
 
     dh_nuc_xe135 = np.array([dh_nuc_i["Xe135"] for dh_nuc_i in dh_nuc])
@@ -95,7 +95,7 @@ def test_get_mass(res):
 
     t_ref = np.array([0.0, 1296000.0, 2592000.0, 3888000.0])
     n_ref = np.array(
-        [6.67473282e+08, 3.88942731e+14, 3.73091215e+14, 3.26987387e+14])
+        [6.67473282e+08, 3.57489567e+14, 3.45544042e+14, 3.40588723e+14])
 
     # Get g
     n_ref *= openmc.data.atomic_mass('Xe135') / openmc.data.AVOGADRO
@@ -123,8 +123,8 @@ def test_get_reaction_rate(res):
     t, r = res.get_reaction_rate("1", "Xe135", "(n,gamma)")
 
     t_ref = [0.0, 1296000.0, 2592000.0, 3888000.0]
-    n_ref = [6.67473282e+08, 3.88942731e+14, 3.73091215e+14, 3.26987387e+14]
-    xs_ref = [2.53336104e-05, 4.21747011e-05, 3.48616127e-05, 3.61775563e-05]
+    n_ref = [6.67473282e+08, 3.57489567e+14, 3.45544042e+14, 3.40588723e+14]
+    xs_ref = [3.10220818e-05, 3.36754072e-05, 3.12740350e-05, 3.86717693e-05]
 
     np.testing.assert_allclose(t, t_ref)
     np.testing.assert_allclose(r, np.array(n_ref) * xs_ref)
@@ -136,8 +136,8 @@ def test_get_keff(res):
     t_min, k = res.get_keff(time_units='min')
 
     t_ref = [0.0, 1296000.0, 2592000.0, 3888000.0]
-    k_ref = [1.1596402556, 1.1914183335, 1.2292570871, 1.1797030302]
-    u_ref = [0.0270680649, 0.0219163444, 0.024268508 , 0.0221401194]
+    k_ref = [1.1773089172, 1.2231748584, 1.1611455694, 1.1714783649]
+    u_ref = [0.0384666252, 0.0311915665, 0.0226370102, 0.0315964732]
 
     np.testing.assert_allclose(t, t_ref)
     np.testing.assert_allclose(t_min * 60, t_ref)
diff --git a/tests/unit_tests/test_lib.py b/tests/unit_tests/test_lib.py
index 8080ce894..43bc5a8f6 100644
--- a/tests/unit_tests/test_lib.py
+++ b/tests/unit_tests/test_lib.py
@@ -161,16 +161,21 @@ def test_properties_temperature(lib_init):
 
 def test_cell_density(lib_init):
     cell = openmc.lib.cells[1]
-    cell.set_density(1.5, 0)
-    assert cell.get_density(0) == pytest.approx(1.5)
-    cell.set_density(2.0)
-    assert cell.get_density() == pytest.approx(2.0)
+    print('density', cell.get_density())
+    orig_density = cell.get_density()
+    try:
+        cell.set_density(1.5, 0)
+        assert cell.get_density(0) == pytest.approx(1.5)
+        cell.set_density(2.0)
+        assert cell.get_density() == pytest.approx(2.0)
+    finally:
+        cell.set_density(orig_density)
 
 
 def test_properties_cell_density(lib_init):
     # Cell density should be 2.0 from above test
     cell = openmc.lib.cells[1]
-    assert cell.get_density() == pytest.approx(2.0)
+    orig_density = cell.get_density()
 
     # Export properties and change density
     openmc.lib.export_properties('properties.h5')
@@ -179,7 +184,7 @@ def test_properties_cell_density(lib_init):
 
     # Import properties and check that density is restored
     openmc.lib.import_properties('properties.h5')
-    assert cell.get_density() == pytest.approx(2.0)
+    assert cell.get_density() == pytest.approx(orig_density)
 
 
 def test_new_cell(lib_init):
diff --git a/tests/unit_tests/test_settings.py b/tests/unit_tests/test_settings.py
index 7f202bcdc..6611e4227 100644
--- a/tests/unit_tests/test_settings.py
+++ b/tests/unit_tests/test_settings.py
@@ -67,6 +67,7 @@ def test_export_to_xml(run_in_tmpdir):
         )
     }
     s.max_particle_events = 100
+    s.max_secondaries = 1_000_000
     s.source_rejection_fraction = 0.01
 
     # Make sure exporting XML works
@@ -144,4 +145,5 @@ def test_export_to_xml(run_in_tmpdir):
     assert s.random_ray['distance_active'] == 100.0
     assert s.random_ray['ray_source'].space.lower_left == [-1., -1., -1.]
     assert s.random_ray['ray_source'].space.upper_right == [1., 1., 1.]
+    assert s.max_secondaries == 1_000_000
     assert s.source_rejection_fraction == 0.01
diff --git a/tests/unit_tests/test_statepoint_batches.py b/tests/unit_tests/test_statepoint_batches.py
new file mode 100644
index 000000000..bf54e1878
--- /dev/null
+++ b/tests/unit_tests/test_statepoint_batches.py
@@ -0,0 +1,26 @@
+from pathlib import Path
+
+import openmc
+
+
+def test_statepoint_batches(run_in_tmpdir):
+    # Create a minimal model
+    mat = openmc.Material()
+    mat.add_nuclide('U235', 1.0)
+    mat.set_density('g/cm3', 4.5)
+    sphere = openmc.Sphere(r=10.0, boundary_type='vacuum')
+    cell = openmc.Cell(fill=mat, region=-sphere)
+    model = openmc.Model()
+    model.geometry = openmc.Geometry([cell])
+    model.settings.batches = 10
+    model.settings.inactive = 5
+    model.settings.particles = 100
+
+    # Specify when statepoints should be written
+    model.settings.statepoint = {'batches': [3, 6, 9]}
+
+    # Run model and ensure that statepoints are created
+    model.run()
+    sp_files = ['statepoint.03.h5', 'statepoint.06.h5', 'statepoint.09.h5']
+    for f in sp_files:
+        assert Path(f).is_file()