root/ompi/mpi/fortran/mpif-h/group_difference_f.c

DEFINITIONS

1. ompi_group_difference_f

   1 /*
   2  * Copyright (c) 2004-2005 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) 2004-2005 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) 2011-2012 Cisco Systems, Inc.  All rights reserved.
  13  * Copyright (c) 2015      Research Organization for Information Science
  14  *                         and Technology (RIST). All rights reserved.
  15  * $COPYRIGHT$
  16  *
  17  * Additional copyrights may follow
  18  *
  19  * $HEADER$
  20  */
  21 
  22 #include "ompi_config.h"
  23 
  24 #include "ompi/mpi/fortran/mpif-h/bindings.h"
  25 #include "ompi/group/group.h"
  26 
  27 #if OMPI_BUILD_MPI_PROFILING
  28 #if OPAL_HAVE_WEAK_SYMBOLS
  29 #pragma weak PMPI_GROUP_DIFFERENCE = ompi_group_difference_f
  30 #pragma weak pmpi_group_difference = ompi_group_difference_f
  31 #pragma weak pmpi_group_difference_ = ompi_group_difference_f
  32 #pragma weak pmpi_group_difference__ = ompi_group_difference_f
  33 
  34 #pragma weak PMPI_Group_difference_f = ompi_group_difference_f
  35 #pragma weak PMPI_Group_difference_f08 = ompi_group_difference_f
  36 #else
  37 OMPI_GENERATE_F77_BINDINGS (PMPI_GROUP_DIFFERENCE,
  38                            pmpi_group_difference,
  39                            pmpi_group_difference_,
  40                            pmpi_group_difference__,
  41                            pompi_group_difference_f,
  42                            (MPI_Fint *group1, MPI_Fint *group2, MPI_Fint *newgroup, MPI_Fint *ierr),
  43                            (group1, group2, newgroup, ierr) )
  44 #endif
  45 #endif
  46 
  47 #if OPAL_HAVE_WEAK_SYMBOLS
  48 #pragma weak MPI_GROUP_DIFFERENCE = ompi_group_difference_f
  49 #pragma weak mpi_group_difference = ompi_group_difference_f
  50 #pragma weak mpi_group_difference_ = ompi_group_difference_f
  51 #pragma weak mpi_group_difference__ = ompi_group_difference_f
  52 
  53 #pragma weak MPI_Group_difference_f = ompi_group_difference_f
  54 #pragma weak MPI_Group_difference_f08 = ompi_group_difference_f
  55 #else
  56 #if ! OMPI_BUILD_MPI_PROFILING
  57 OMPI_GENERATE_F77_BINDINGS (MPI_GROUP_DIFFERENCE,
  58                            mpi_group_difference,
  59                            mpi_group_difference_,
  60                            mpi_group_difference__,
  61                            ompi_group_difference_f,
  62                            (MPI_Fint *group1, MPI_Fint *group2, MPI_Fint *newgroup, MPI_Fint *ierr),
  63                            (group1, group2, newgroup, ierr) )
  64 #else
  65 #define ompi_group_difference_f pompi_group_difference_f
  66 #endif
  67 #endif
  68 
  69 
  70 void ompi_group_difference_f(MPI_Fint *group1, MPI_Fint *group2, MPI_Fint *newgroup, MPI_Fint *ierr)
  71 {
  72   int c_ierr;
  73   ompi_group_t *c_group1, *c_group2, *c_newgroup;
  74 
  75   /* Make the fortran to c representation conversion */
  76   c_group1 = PMPI_Group_f2c(*group1);
  77   c_group2 = PMPI_Group_f2c(*group2);
  78 
  79   c_ierr = PMPI_Group_difference(c_group1, c_group2, &c_newgroup);
  80   if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
  81 
  82   /* translate the results from c to fortran */
  83   if (MPI_SUCCESS == c_ierr) {
  84     *newgroup = c_newgroup->grp_f_to_c_index;
  85   }
  86 }