root/ompi/mpi/c/cartdim_get.c

DEFINITIONS

1. MPI_Cartdim_get

   1 /*
   2  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2013 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2009      Cisco Systems, Inc.  All rights reserved.
  13  * Copyright (c) 2012-2013 Inria.  All rights reserved.
  14  * Copyright (c) 2015      Research Organization for Information Science
  15  *                         and Technology (RIST). All rights reserved.
  16  * $COPYRIGHT$
  17  *
  18  * Additional copyrights may follow
  19  *
  20  * $HEADER$
  21  */
  22 #include "ompi_config.h"
  23 #include <stdio.h>
  24 
  25 #include "ompi/mpi/c/bindings.h"
  26 #include "ompi/runtime/params.h"
  27 #include "ompi/communicator/communicator.h"
  28 #include "ompi/errhandler/errhandler.h"
  29 #include "ompi/mca/topo/topo.h"
  30 #include "ompi/memchecker.h"
  31 
  32 #if OMPI_BUILD_MPI_PROFILING
  33 #if OPAL_HAVE_WEAK_SYMBOLS
  34 #pragma weak MPI_Cartdim_get = PMPI_Cartdim_get
  35 #endif
  36 #define MPI_Cartdim_get PMPI_Cartdim_get
  37 #endif
  38 
  39 
  40 static const char FUNC_NAME[] = "MPI_Cartdim_get";
  41 
  42 
  43 int MPI_Cartdim_get(MPI_Comm comm, int *ndims)
  44 {
  45     int err;
  46 
  47     MEMCHECKER(
  48         memchecker_comm(comm);
  49     );
  50 
  51     if (MPI_PARAM_CHECK) {
  52        OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  53        if (ompi_comm_invalid(comm)) {
  54            return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_COMM,
  55                                         FUNC_NAME);
  56        }
  57        if (OMPI_COMM_IS_INTER(comm)) {
  58            return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
  59                                          FUNC_NAME);
  60        }
  61        if (NULL == ndims) {
  62            return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
  63                                           FUNC_NAME);
  64        }
  65     }
  66 
  67     if (!OMPI_COMM_IS_CART(comm)) {
  68         return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_TOPOLOGY,
  69                                        FUNC_NAME);
  70     }
  71     OPAL_CR_ENTER_LIBRARY();
  72 
  73     err = comm->c_topo->topo.cart.cartdim_get(comm, ndims);
  74     OPAL_CR_EXIT_LIBRARY();
  75 
  76     OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
  77 }