/* rng/file.c

 * 

 * Copyright (C) 2003 Olaf Lenz

 * 

 * 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 3 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 <config.h>

#include <stdio.h>

#include <gsl/gsl_errno.h>

#include <gsl/gsl_rng.h>

int

gsl_rng_fread (FILE * stream, gsl_rng * r)

{

  size_t n = r->type->size ;

  char * state = (char *)r->state;

  size_t items = fread (state, 1, n, stream);

  if (items != n)

    {

      GSL_ERROR ("fread failed", GSL_EFAILED);

    }

  return GSL_SUCCESS;

}

int

gsl_rng_fwrite (FILE * stream, const gsl_rng * r)

{

  size_t n = r->type->size ;

  char * state = (char *)r->state;

  size_t items = fwrite (state, 1, n, stream);

  if (items != n)

    {

      GSL_ERROR ("fwrite failed", GSL_EFAILED);

    }

  return GSL_SUCCESS;

}