1 /* -*- Mode: C; c-basic-offset:4 ; -*- */
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) 2004-2007 The University of Tennessee and The University
7  *                         of Tennessee Research Foundation.  All rights
8  *                         reserved.
9  * Copyright (c) 2004-2005 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) 2006-2012 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 
24 #include "ompi/mpi/c/bindings.h"
25 #include "ompi/runtime/params.h"
26 #include "ompi/errhandler/errhandler.h"
27 #include "ompi/mpi/fortran/base/fint_2_int.h"
28 #include "ompi/op/op.h"
29 
30 #if OMPI_BUILD_MPI_PROFILING
31 #if OPAL_HAVE_WEAK_SYMBOLS
32 #pragma weak MPI_Op_f2c = PMPI_Op_f2c
33 #endif
34 #define MPI_Op_f2c PMPI_Op_f2c
35 #endif
36 
37 static const char FUNC_NAME[] = "MPI_Op_f2c";
38 
39 
MPI_Op_f2c(MPI_Fint op_f)40 MPI_Op MPI_Op_f2c(MPI_Fint op_f)
41 {
42     int op_index = OMPI_FINT_2_INT(op_f);
43 
44     OPAL_CR_NOOP_PROGRESS();
45 
46     /* Error checking */
47 
48     if (MPI_PARAM_CHECK) {
49         OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
50     }
51 
52     /* Per MPI-2:4.12.4, do not invoke an error handler if we get an
53        invalid fortran handle.  If we get an invalid fortran handle,
54        return an invalid C handle. */
55 
56     if (op_index < 0 ||
57         op_index >=
58         opal_pointer_array_get_size(ompi_op_f_to_c_table)) {
59         return NULL;
60     }
61 
62     return (MPI_Op)opal_pointer_array_get_item(ompi_op_f_to_c_table, op_index);
63 }
64