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) 2004-2005 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) 2006 University of Houston. All rights reserved.
13 * Copyright (c) 2006 Cisco Systems, Inc. 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/group/group.h"
30
31 #if OMPI_BUILD_MPI_PROFILING
32 #if OPAL_HAVE_WEAK_SYMBOLS
33 #pragma weak MPI_Group_difference = PMPI_Group_difference
34 #endif
35 #define MPI_Group_difference PMPI_Group_difference
36 #endif
37
38 static const char FUNC_NAME[] = "MPI_Group_difference";
39
40
41 int MPI_Group_difference(MPI_Group group1, MPI_Group group2,
42 MPI_Group *new_group) {
43 int err;
44
45 /* error checking */
46 if( MPI_PARAM_CHECK ) {
47 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
48
49 if( (MPI_GROUP_NULL == group1) || (MPI_GROUP_NULL == group2) ||
50 (NULL == group1) || (NULL == group2) ||
51 (NULL == new_group) ) {
52 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_GROUP,
53 FUNC_NAME);
54 }
55 }
56
57 OPAL_CR_ENTER_LIBRARY();
58
59 err = ompi_group_difference ( group1, group2, new_group );
60 OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME );
61 }