root/ompi/mpi/c/type_create_hvector.c

DEFINITIONS

1. MPI_Type_create_hvector

   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
   2 /*
   3  * Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
   4  *                         University Research and Technology
   5  *                         Corporation.  All rights reserved.
   6  * Copyright (c) 2004-2005 The University of Tennessee and The University
   7  *                         of Tennessee Research Foundation.  All rights
   8  *                         reserved.
   9  * Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
  10  *                         University of Stuttgart.  All rights reserved.
  11  * Copyright (c) 2004-2005 The Regents of the University of California.
  12  *                         All rights reserved.
  13  * Copyright (c) 2013      Los Alamos National Security, LLC.  All rights
  14  *                         reserved.
  15  * Copyright (c) 2015      Research Organization for Information Science
  16  *                         and Technology (RIST). All rights reserved.
  17  * $COPYRIGHT$
  18  *
  19  * Additional copyrights may follow
  20  *
  21  * $HEADER$
  22  */
  23 
  24 #include "ompi_config.h"
  25 
  26 #include "ompi/mpi/c/bindings.h"
  27 #include "ompi/runtime/params.h"
  28 #include "ompi/communicator/communicator.h"
  29 #include "ompi/errhandler/errhandler.h"
  30 #include "ompi/datatype/ompi_datatype.h"
  31 #include "ompi/memchecker.h"
  32 
  33 #if OMPI_BUILD_MPI_PROFILING
  34 #if OPAL_HAVE_WEAK_SYMBOLS
  35 #pragma weak MPI_Type_create_hvector = PMPI_Type_create_hvector
  36 #endif
  37 #define MPI_Type_create_hvector PMPI_Type_create_hvector
  38 #endif
  39 
  40 static const char FUNC_NAME[] = "MPI_Type_create_hvector";
  41 
  42 
  43 int MPI_Type_create_hvector(int count,
  44                             int blocklength,
  45                             MPI_Aint stride,
  46                             MPI_Datatype oldtype,
  47                             MPI_Datatype *newtype)
  48 {
  49     int rc;
  50 
  51     MEMCHECKER(
  52         memchecker_datatype(oldtype);
  53         );
  54 
  55     if( MPI_PARAM_CHECK ) {
  56         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
  57         if( count < 0 ) {
  58             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COUNT,
  59                                           FUNC_NAME );
  60         } else if( blocklength < 0) {
  61             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
  62                                           FUNC_NAME );
  63         } else if (NULL == oldtype || MPI_DATATYPE_NULL == oldtype ||
  64                    NULL == newtype) {
  65             return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_TYPE,
  66                                           FUNC_NAME );
  67         }
  68     }
  69 
  70     OPAL_CR_ENTER_LIBRARY();
  71 
  72     rc = ompi_datatype_create_hvector ( count, blocklength, stride, oldtype,
  73                                         newtype );
  74     OMPI_ERRHANDLER_CHECK(rc, MPI_COMM_WORLD, rc, FUNC_NAME );
  75 
  76     {
  77         const int* a_i[2] = {&count, &blocklength};
  78         MPI_Aint a_a[1] = {stride};
  79 
  80         ompi_datatype_set_args( *newtype, 2, a_i, 1, a_a, 1, &oldtype, MPI_COMBINER_HVECTOR );
  81     }
  82 
  83     OPAL_CR_EXIT_LIBRARY();
  84     return MPI_SUCCESS;
  85 }