74 строки
2.6 KiB
C
74 строки
2.6 KiB
C
/*
|
|
* Copyright (c) 2008 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2012-2013 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright (c) 2012-2013 Inria. All rights reserved.
|
|
* Copyright (c) 2015 Research Organization for Information Science
|
|
* and Technology (RIST). All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "ompi/mpi/c/bindings.h"
|
|
#include "ompi/runtime/params.h"
|
|
#include "ompi/communicator/communicator.h"
|
|
#include "ompi/errhandler/errhandler.h"
|
|
#include "ompi/memchecker.h"
|
|
#include "ompi/mca/topo/topo.h"
|
|
#include "ompi/mca/topo/base/base.h"
|
|
|
|
#if OMPI_BUILD_MPI_PROFILING
|
|
#if OPAL_HAVE_WEAK_SYMBOLS
|
|
#pragma weak MPI_Dist_graph_neighbors = PMPI_Dist_graph_neighbors
|
|
#endif
|
|
#define MPI_Dist_graph_neighbors PMPI_Dist_graph_neighbors
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Dist_graph_neighbors";
|
|
|
|
|
|
int MPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree,
|
|
int sources[], int sourceweights[],
|
|
int maxoutdegree, int destinations[],
|
|
int destweights[])
|
|
{
|
|
int err;
|
|
|
|
MEMCHECKER(
|
|
memchecker_comm(comm);
|
|
);
|
|
|
|
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);
|
|
} else if (maxindegree < 0 || maxoutdegree < 0 ||
|
|
(maxindegree > 0 &&
|
|
(NULL == sources || NULL == sourceweights)) ||
|
|
(maxoutdegree > 0 &&
|
|
(NULL == destinations || NULL == destweights))) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
|
|
}
|
|
}
|
|
|
|
if (!OMPI_COMM_IS_DIST_GRAPH(comm)) {
|
|
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
|
|
FUNC_NAME);
|
|
}
|
|
|
|
err = comm->c_topo->topo.dist_graph.dist_graph_neighbors(comm, maxindegree,
|
|
sources, sourceweights, maxoutdegree,
|
|
destinations, destweights);
|
|
OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
|
|
}
|
|
|