70 строки
2.4 KiB
C
70 строки
2.4 KiB
C
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/*
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* Copyright (c) 2008 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2011-2012 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
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*
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* Author(s): Torsten Hoefler
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*
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*/
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#include "ompi_config.h"
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/memchecker.h"
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#include "ompi/mca/topo/topo.h"
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#include "ompi/mca/topo/base/base.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Dist_graph_neighbors = PMPI_Dist_graph_neighbors
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Dist_graph_neighbors";
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int MPI_Dist_graph_neighbors(MPI_Comm comm, int maxindegree,
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int sources[], int sourceweights[],
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int maxoutdegree, int destinations[],
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int destweights[])
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{
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int err;
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MEMCHECKER(
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memchecker_comm(comm);
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);
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_comm_invalid(comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
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FUNC_NAME);
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} else if (maxindegree < 0 || maxoutdegree < 0 ||
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(maxindegree > 0 &&
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(NULL == sources || NULL == sourceweights)) ||
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(maxoutdegree > 0 &&
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(NULL == destinations || NULL == destweights))) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_ARG, FUNC_NAME);
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}
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}
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if (!OMPI_COMM_IS_DIST_GRAPH(comm)) {
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return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
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FUNC_NAME);
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}
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err = comm->c_topo->topo.dist_graph.dist_graph_neighbors(comm, maxindegree,
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sources, sourceweights, maxoutdegree,
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destinations, destweights);
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OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
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}
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