tests/fcdemo/cprogram.c

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

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
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write 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 argc, char **argv)
{
  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 subroutine is ok!\n");
  
  return 0;
}