openmpi/src/mpi/c/group_translate_ranks.c

/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University.
 *                         All rights reserved.
 * Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
 *                         All rights reserved.
 * $COPYRIGHT$
 * 
 * Additional copyrights may follow
 * 
 * $HEADER$
 */
#include "ompi_config.h"
#include <stdio.h>

#include "mpi.h"
#include "mpi/c/bindings.h"
#include "group/group.h"
#include "errhandler/errhandler.h"
#include "communicator/communicator.h"

#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Group_translate_ranks = PMPI_Group_translate_ranks
#endif

#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif

static const char FUNC_NAME[] = "MPI_Group_translate_ranks";


int MPI_Group_translate_ranks(MPI_Group group1, int n_ranks, int *ranks1,
                              MPI_Group group2, int *ranks2) 
{
    int err;

    /* check for errors */
    if( MPI_PARAM_CHECK ) {
        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);

        if ((MPI_GROUP_NULL == group1) || (MPI_GROUP_NULL == group2) ||
                (NULL == group1) || (NULL == group2) ) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP, 
                                          FUNC_NAME);
        }
        if( (n_ranks > group1->grp_proc_count) || (0 >= n_ranks) ){
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP, 
                                          FUNC_NAME);
        }
        if( (NULL == ranks1) || (NULL == ranks2 ) ) {
            return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP, 
                                          FUNC_NAME);
        }
    }

    err = ompi_group_translate_ranks ( group1, n_ranks, ranks1,
                                       group2, ranks2 );
    OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME );
}