From 8fdbbd2c43ce639c8d7ef9cff3c1b2ebd0f89695 Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Tue, 31 May 2022 07:32:29 -0500
Subject: [PATCH] Set default max_tracks to 1000

---
 docs/source/usersguide/scripts.rst | 2 +-
 man/man1/openmc.1                  | 2 +-
 src/finalize.cpp                   | 2 +-
 src/output.cpp                     | 3 ++-
 src/settings.cpp                   | 2 +-
 5 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/docs/source/usersguide/scripts.rst b/docs/source/usersguide/scripts.rst
index 50d51a5b3..f2ba81605 100644
--- a/docs/source/usersguide/scripts.rst
+++ b/docs/source/usersguide/scripts.rst
@@ -47,7 +47,7 @@ flags:
 -r, --restart file     Restart a previous run from a state point or a particle
                        restart file
 -s, --threads N        Run with *N* OpenMP threads
--t, --track            Write tracks for all particles
+-t, --track            Write tracks for all particles (up to max_tracks)
 -v, --version          Show version information
 -h, --help             Show help message
 
diff --git a/man/man1/openmc.1 b/man/man1/openmc.1
index 460dbd358..6310750a2 100644
--- a/man/man1/openmc.1
+++ b/man/man1/openmc.1
@@ -34,7 +34,7 @@ Restart a previous run from a state point or a particle restart file named
 Use \fIN\fP OpenMP threads.
 .TP
 .B "\-t\fR, \fP\-\-track"
-Write tracks for all particles.
+Write tracks for all particles (up to max_tracks).
 .TP
 .B "\-v\fR, \fP\-\-version"
 Show version information.
diff --git a/src/finalize.cpp b/src/finalize.cpp
index 812483368..0c2c62310 100644
--- a/src/finalize.cpp
+++ b/src/finalize.cpp
@@ -85,7 +85,7 @@ int openmc_finalize()
   settings::material_cell_offsets = true;
   settings::max_particles_in_flight = 100000;
   settings::max_splits = 1000;
-  settings::max_tracks = std::numeric_limits<int>::max();
+  settings::max_tracks = 1000;
   settings::n_inactive = 0;
   settings::n_particles = -1;
   settings::output_summary = true;
diff --git a/src/output.cpp b/src/output.cpp
index 6565a9e67..ece475de0 100644
--- a/src/output.cpp
+++ b/src/output.cpp
@@ -318,7 +318,8 @@ void print_usage()
       "  -r, --restart          Restart a previous run from a state point\n"
       "                         or a particle restart file\n"
       "  -s, --threads          Number of OpenMP threads\n"
-      "  -t, --track            Write tracks for all particles\n"
+      "  -t, --track            Write tracks for all particles (up to "
+      "max_tracks)\n"
       "  -e, --event            Run using event-based parallelism\n"
       "  -v, --version          Show version information\n"
       "  -h, --help             Show this message\n");
diff --git a/src/settings.cpp b/src/settings.cpp
index ecc1787c3..eb0d4936c 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -95,7 +95,7 @@ int n_log_bins {8000};
 int n_batches;
 int n_max_batches;
 int max_splits {1000};
-int max_tracks {std::numeric_limits<int>::max()};
+int max_tracks {1000};
 ResScatMethod res_scat_method {ResScatMethod::rvs};
 double res_scat_energy_min {0.01};
 double res_scat_energy_max {1000.0};