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openmpi/ompi/mpi/c/graph_get.c
Jeff Squyres 42ec26e640 Update the copyright notices for IU and UTK.
This commit was SVN r7999.
2005-11-05 19:57:48 +00:00

72 строки
2.3 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "mpi/c/bindings.h"
#include "ompi/mca/topo/topo.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Graph_get = PMPI_Graph_get
#endif
#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Graph_get";
int MPI_Graph_get(MPI_Comm comm, int maxindex, int maxedges,
int *index, int *edges)
{
int err;
mca_topo_base_module_graph_get_fn_t func;
/* check the arguments */
if (MPI_PARAM_CHECK) {
if (MPI_COMM_NULL == 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_GRAPH(comm)) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
FUNC_NAME);
}
if (0 > maxindex || 0 > maxedges || NULL == index || NULL == edges) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
FUNC_NAME);
}
}
/* get the function pointer to do the right thing */
func = comm->c_topo->topo_graph_get;
/* call the function */
if ( MPI_SUCCESS !=
(err = func(comm, maxindex, maxedges, index, edges))) {
return OMPI_ERRHANDLER_INVOKE(comm, err, FUNC_NAME);
}
/* All done */
return MPI_SUCCESS;
}