message_traits.cpp

Go to the documentation of this file.

// C/C++
#include <functional>
#include <string>
 
// athena++
#include <athena/athena.hpp>
#include <athena/bvals/bvals.hpp>
 
// nbody
#include <nbody/particles.hpp>
 
// harp
#include <harp/radiation_band.hpp>
 
#ifdef MPI_PARALLEL
#include <mpi.h>
 
MPI_Datatype MPI_PARTICLE_DATA;
MPI_Datatype MessageTraits<ParticleBase>::mpi_type = MPI_PARTICLE_DATA;
MPI_Datatype MessageTraits<RadiationBand>::mpi_type = MPI_ATHENA_REAL;
 
#endif  // MPI_PARALLEL
 
namespace MessageHelper {
int mpi_tag_ub;
 
int create_mpi_tag(int lid, int tid, std::string name) {
  int tag = BoundaryBase::CreateBvalsMPITag(lid, tid, 0);
 
  std::string str = name + std::to_string(tag);
  return std::hash<std::string>{}(str) % (mpi_tag_ub);
}
}  // namespace MessageHelper