text: /*
   * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   *                         University Research and Technology
   *                         Corporation.  All rights reserved.
   * Copyright (c) 2004-2013 The University of Tennessee and The University
   *                         of Tennessee Research Foundation.  All rights
   *                         reserved.
   * Copyright (c) 2004-2008 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 (c) 2007      Cisco Systems, Inc.  All rights reserved.
   * Copyright (c) 2012-2013 Inria.  All rights reserved.
   * $COPYRIGHT$
   * 
   * Additional copyrights may follow
   * 
   * $HEADER$
   */
  #include "ompi_config.h"
  #include <stdio.h>
  
  #include "ompi/mpi/c/bindings.h"
  #include "ompi/runtime/params.h"
  #include "ompi/communicator/communicator.h"
  #include "ompi/errhandler/errhandler.h"
  #include "ompi/mca/topo/topo.h"
  #include "ompi/memchecker.h"
  
  #if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
  #pragma weak MPI_Graphdims_get = PMPI_Graphdims_get
  #endif
  
  #if OMPI_PROFILING_DEFINES
  #include "ompi/mpi/c/profile/defines.h"
  #endif
  
  static const char FUNC_NAME[] = "MPI_Graphdims_get";
  
  
  int MPI_Graphdims_get(MPI_Comm comm, int *nnodes, int *nedges) 
  {
      int err;
  
      MEMCHECKER(
          memchecker_comm(comm);
      );
  
      /* check the arguments */
      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 (NULL == nnodes || NULL == nedges) {
              return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
                                             FUNC_NAME);
          }
      }
  
      if (!OMPI_COMM_IS_GRAPH(comm)) {
          return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
                                         FUNC_NAME);
      }
      OPAL_CR_ENTER_LIBRARY();
  
      err = comm->c_topo->topo.graph.graphdims_get(comm, nnodes, nedges);
      OPAL_CR_EXIT_LIBRARY();
  
      OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
  }
  