OpenMC/src/main.cpp
2021-08-11 11:41:49 -05:00

62 lines
1.3 KiB
C++

#ifdef OPENMC_MPI
#include <mpi.h>
#endif
#include "openmc/capi.h"
#include "openmc/constants.h"
#include "openmc/error.h"
#include "openmc/message_passing.h"
#include "openmc/particle_restart.h"
#include "openmc/settings.h"
int main(int argc, char* argv[])
{
using namespace openmc;
int err;
// Initialize run -- when run with MPI, pass communicator
#ifdef OPENMC_MPI
MPI_Comm world {MPI_COMM_WORLD};
err = openmc_init(argc, argv, &world);
#else
err = openmc_init(argc, argv, nullptr);
#endif
if (err == -1) {
// This happens for the -h and -v flags
return 0;
} else if (err) {
fatal_error(openmc_err_msg);
}
// start problem based on mode
switch (settings::run_mode) {
case RunMode::FIXED_SOURCE:
case RunMode::EIGENVALUE:
err = openmc_run();
break;
case RunMode::PLOTTING:
err = openmc_plot_geometry();
break;
case RunMode::PARTICLE:
if (mpi::master)
run_particle_restart();
err = 0;
break;
case RunMode::VOLUME:
err = openmc_calculate_volumes();
break;
default:
break;
}
if (err)
fatal_error(openmc_err_msg);
// Finalize and free up memory
err = openmc_finalize();
if (err)
fatal_error(openmc_err_msg);
// If MPI is in use and enabled, terminate it
#ifdef OPENMC_MPI
MPI_Finalize();
#endif
}