root/ompi/mpi/c/type_get_true_extent_x.c

DEFINITIONS

1. MPI_Type_get_true_extent_x

   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) 2004-2005 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) 2013      Los Alamos National Security, LLC. All rights
  13  *                         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 
  23 #include "ompi_config.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/datatype/ompi_datatype.h"
  30 #include "ompi/memchecker.h"
  31 
  32 #if OMPI_BUILD_MPI_PROFILING
  33 #if OPAL_HAVE_WEAK_SYMBOLS
  34 #pragma weak MPI_Type_get_true_extent_x = PMPI_Type_get_true_extent_x
  35 #endif
  36 #define MPI_Type_get_true_extent_x PMPI_Type_get_true_extent_x
  37 #endif
  38 
  39 static const char FUNC_NAME[] = "MPI_Type_get_true_extent_x";
  40 
  41 int MPI_Type_get_true_extent_x(MPI_Datatype datatype,
  42                                MPI_Count *true_lb,
  43                                MPI_Count *true_extent)
  44 {
  45    MPI_Aint atrue_lb, atrue_extent;
  46    int rc;
  47 
  48    MEMCHECKER(
  49       memchecker_datatype(datatype);
  50    );
  51 
  52    if( MPI_PARAM_CHECK ) {
  53       OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  54       if (NULL == datatype || MPI_DATATYPE_NULL == datatype) {
  55         return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE,
  56                                       FUNC_NAME );
  57       } else if (NULL == true_lb || NULL == true_extent) {
  58         return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
  59                                       FUNC_NAME );
  60       }
  61    }
  62 
  63    OPAL_CR_ENTER_LIBRARY();
  64 
  65    rc = ompi_datatype_get_true_extent( datatype, &atrue_lb, &atrue_extent );
  66    if (OMPI_SUCCESS == rc) {
  67       *true_lb = (MPI_Count) atrue_lb;
  68       *true_extent = (MPI_Count) atrue_extent;
  69    }
  70 
  71    OMPI_ERRHANDLER_RETURN(rc, MPI_COMM_WORLD, rc, FUNC_NAME );
  72 }