hypre/utilities/hypre_mpi_comm_f2c.c
2006-09-26 22:53:11 +00:00

58 lines
1.9 KiB
C

/*BHEADER**********************************************************************
* Copyright (c) 2006 The Regents of the University of California.
* Produced at the Lawrence Livermore National Laboratory.
* Written by the HYPRE team, UCRL-CODE-222953.
* All rights reserved.
*
* This file is part of HYPRE (see http://www.llnl.gov/CASC/hypre/).
* Please see the COPYRIGHT_and_LICENSE file for the copyright notice,
* disclaimer and the GNU Lesser General Public License.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (as published by the Free
* Software Foundation) version 2.1 dated February 1999.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the IMPLIED WARRANTY OF MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the terms and conditions of the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Revision$
***********************************************************************EHEADER*/
#include <HYPRE_config.h>
#include "fortran.h"
#ifndef HYPRE_SEQUENTIAL
#include <mpi.h>
#endif
/*--------------------------------------------------------------------------
*--------------------------------------------------------------------------*/
void
hypre_F90_IFACE(hypre_mpi_comm_f2c, HYPRE_MPI_COMM_F2C)(int *c_comm,
int *f_comm,
int *ierr)
{
#ifdef HYPRE_HAVE_MPI_COMM_F2C
*c_comm = (int)MPI_Comm_f2c(*f_comm);
if (sizeof(MPI_Comm) > sizeof(int))
*ierr = 1;
else
*ierr = 0;
#else
*c_comm = *f_comm;
*ierr = 0;
#endif
}