/*
 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
 *                         University Research and Technology
 *                         Corporation.  All rights reserved.
 * Copyright (c) 2004-2005 The University of Tennessee and The University
 *                         of Tennessee Research Foundation.  All rights
 *                         reserved.
 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
 *                         University of Stuttgart.  All rights reserved.
 * Copyright (c) 2004-2005 The Regents of the University of California.
 *                         All rights reserved.
 * Copyright (c) 2011-2012 Cisco Systems, Inc.  All rights reserved.
 * Copyright (c) 2015      Research Organization for Information Science
 *                         and Technology (RIST). All rights reserved.
 * $COPYRIGHT$
 *
 * Additional copyrights may follow
 *
 * $HEADER$
 */

#include "ompi_config.h"

#include "ompi/mpi/fortran/mpif-h/bindings.h"
#include "ompi/mpi/fortran/base/constants.h"

#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak PMPI_IRECV = ompi_irecv_f
#pragma weak pmpi_irecv = ompi_irecv_f
#pragma weak pmpi_irecv_ = ompi_irecv_f
#pragma weak pmpi_irecv__ = ompi_irecv_f

#pragma weak PMPI_Irecv_f = ompi_irecv_f
#pragma weak PMPI_Irecv_f08 = ompi_irecv_f
#else
OMPI_GENERATE_F77_BINDINGS (PMPI_IRECV,
                           pmpi_irecv,
                           pmpi_irecv_,
                           pmpi_irecv__,
                           pompi_irecv_f,
                           (char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *source, MPI_Fint *tag, MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr),
                           (buf, count, datatype, source, tag, comm, request, ierr) )
#endif
#endif

#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_IRECV = ompi_irecv_f
#pragma weak mpi_irecv = ompi_irecv_f
#pragma weak mpi_irecv_ = ompi_irecv_f
#pragma weak mpi_irecv__ = ompi_irecv_f

#pragma weak MPI_Irecv_f = ompi_irecv_f
#pragma weak MPI_Irecv_f08 = ompi_irecv_f
#else
#if ! OMPI_BUILD_MPI_PROFILING
OMPI_GENERATE_F77_BINDINGS (MPI_IRECV,
                           mpi_irecv,
                           mpi_irecv_,
                           mpi_irecv__,
                           ompi_irecv_f,
                           (char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *source, MPI_Fint *tag, MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr),
                           (buf, count, datatype, source, tag, comm, request, ierr) )
#else
#define ompi_irecv_f pompi_irecv_f
#endif
#endif


void ompi_irecv_f(char *buf, MPI_Fint *count, MPI_Fint *datatype,
		 MPI_Fint *source, MPI_Fint *tag, MPI_Fint *comm,
		 MPI_Fint *request, MPI_Fint *ierr)
{
   int c_ierr;
   MPI_Datatype c_type = PMPI_Type_f2c(*datatype);
   MPI_Request c_req;
   MPI_Comm c_comm;

   c_comm = PMPI_Comm_f2c (*comm);

   c_ierr = PMPI_Irecv(OMPI_F2C_BOTTOM(buf), OMPI_FINT_2_INT(*count),
                      c_type, OMPI_FINT_2_INT(*source),
                      OMPI_FINT_2_INT(*tag), c_comm, &c_req);
   if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);

   if (MPI_SUCCESS == c_ierr) {
      *request = PMPI_Request_c2f(c_req);
   }
}