tests/f77demo/cprogram.c

/* cprogram.c

   Copyright (C) 2002, 2005, 2006 Free Software Foundation, Inc.

   This file is part of GNU Libtool.

GNU Libtool 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; either version 2 of
the License, or (at your option) any later version.

GNU Libtool 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
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Libtool; see the file COPYING.  If not, a copy
can be downloaded from  http://www.gnu.org/licenses/gpl.html,
or obtained by writing to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/

#include "foo.h"
#include <stdio.h>

int
main ()
{
  int arg,cres,fres;
  
  printf ("Welcome to GNU libtool mixed C/Fortran demo!\n");
  
  arg=2;
  
  cres=csub(arg);
  
  printf ("The C subroutine returned, claiming that 2*%d = %d\n",arg,cres);
  
  if(cres==2*arg)
    printf ("The C subroutine is ok!\n");
  
  printf("\nCalling the C wrapper routine...\n");
  fres=fwrapper(arg);
  
  printf ("The C wrapper to the fortran subroutine returned,\n"
	  "claiming that 2*%d = %d\n",arg,fres);
  
  if(fres==2*arg)
    printf ("The Fortran 77 subroutine is ok!\n");
  
  return 0;
}