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) 2009-2014 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 #include "ompi_config.h"
22
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/op/op.h"
30
31 #if OMPI_BUILD_MPI_PROFILING
32 #if OPAL_HAVE_WEAK_SYMBOLS
33 #pragma weak MPI_Op_commutative = PMPI_Op_commutative
34 #endif
35 #define MPI_Op_commutative PMPI_Op_commutative
36 #endif
37
38 static const char FUNC_NAME[] = "MPI_Op_commutative";
39
40
41 int MPI_Op_commutative(MPI_Op op, int *commute)
42 {
43 OPAL_CR_NOOP_PROGRESS();
44
45 /* Error checking */
46
47 if (MPI_PARAM_CHECK) {
48 OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
49 if (NULL == op || MPI_OP_NULL == op) {
50 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_OP,
51 FUNC_NAME);
52 }
53 if (NULL == commute) {
54 return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
55 FUNC_NAME);
56 }
57 }
58
59 /* We have a valid op, get the flag */
60
61 *commute = ompi_op_is_commute(op);
62
63 /* All done */
64
65 return MPI_SUCCESS;
66 }