Make sure data gets initialized for particle restarts

include/openmc/simulation.h

@@ -57,8 +57,8 @@ void allocate_banks();
 //! Determine number of particles to transport per process
 void calculate_work();
 
-//! Determine energy limits for incident neutron/photon data
-void determine_energy_limits();
+//! Initialize nuclear data before a simulation
+void initialize_data();
 
 //! Initialize a batch
 void initialize_batch();

src/particle_restart.cpp

@@ -74,6 +74,9 @@ void run_particle_restart()
   // Set verbosity high
   settings::verbosity = 10;
 
+  // Initialize nuclear data (energy limits, log grid, etc.)
+  initialize_data();
+
   // Initialize the particle to be tracked
   Particle p;
 

src/simulation.cpp

@@ -69,19 +69,11 @@ int openmc_simulation_init()
   // Skip if simulation has already been initialized
   if (simulation::initialized) return 0;
 
-  // Determine limits for incident neutron/photon data
+  // Initialize nuclear data (energy limits, log grid)
   if (settings::run_CE) {
-    determine_energy_limits();
+    initialize_data();
   }
 
-  // Set up logarithmic grid for nuclides
-  for (auto& nuc : data::nuclides) {
-    nuc->init_grid();
-  }
-  int neutron = static_cast<int>(Particle::Type::neutron);
-  simulation::log_spacing = std::log(data::energy_max[neutron] /
-    data::energy_min[neutron]) / settings::n_log_bins;
-
   // Determine how much work each process should do
   calculate_work();
 
@@ -569,7 +561,7 @@ void calculate_work()
   }
 }
 
-void determine_energy_limits()
+void initialize_data()
 {
   // Determine minimum/maximum energy for incident neutron/photon data
   data::energy_max = {INFTY, INFTY};
@@ -629,6 +621,14 @@ void determine_energy_limits()
       }
     }
   }
+
+  // Set up logarithmic grid for nuclides
+  for (auto& nuc : data::nuclides) {
+    nuc->init_grid();
+  }
+  int neutron = static_cast<int>(Particle::Type::neutron);
+  simulation::log_spacing = std::log(data::energy_max[neutron] /
+    data::energy_min[neutron]) / settings::n_log_bins;
 }
 
 #ifdef OPENMC_MPI