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openmpi/src/mpi/c/cartdim_get.c

60 строки
1.5 KiB
C
Исходник Обычный вид История

/*
* $HEADERS$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "mpi.h"
#include "mpi/c/bindings.h"
#include "communicator/communicator.h"
#include "errhandler/errhandler.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Cartdim_get = PMPI_Cartdim_get
#endif
#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Cartdim_get";
int MPI_Cartdim_get(MPI_Comm comm, int *ndims)
{
mca_topo_base_cartdim_get_fn_t func;
int err;
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
}
if (OMPI_COMM_IS_INTER(comm)) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
FUNC_NAME);
}
if (!OMPI_COMM_IS_CART(comm)) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
FUNC_NAME);
}
if (NULL == ndims) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
FUNC_NAME);
}
}
/* get the function pointer on this communicator */
func = comm->c_topo->topo_cartdim_get;
/* call the function */
if ( MPI_SUCCESS !=
(err = func(comm, ndims))) {
return OMPI_ERRHANDLER_INVOKE(comm, err, FUNC_NAME);
}
return MPI_SUCCESS;
}