mpi_interface.h

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#ifndef MPI_INTERFACE_H
#define MPI_INTERFACE_H
 
#ifdef MPI
#include <mpi.h>
#endif
#include "diag.h"
#include "particle.h"

#define mpi_type_integer MPI_LONG
#define mpi_type_real    MPI_DOUBLE
#define mpi_type_a5err   MPI_UNSIGNED_LONG_LONG
 
void mpi_interface_barrier();
void mpi_interface_init(int argc, char** argv, int* mpi_rank, int* mpi_size,
                        int* mpi_root);
void mpi_interface_finalize(int err);
void mpi_my_particles(int* start_index, int* n, int ntotal, int mpi_rank,
                      int mpi_size);
void mpi_gather_particlestate(particle_state* ps, particle_state** psgathered,
                              int* ngathered, int ntotal, int mpi_rank,
                              int mpi_size, int mpi_root);
void mpi_gather_particlestate(
    particle_state* ps, particle_state** ps_gather, int* n_gather, int n_tot,
    int mpi_rank, int mpi_size, int mpi_root);
void mpi_gather_diag(diag_data* data, int ntotal, int mpi_rank, int mpi_size,
                     int mpi_root);
 
#endif