/* gsl_histogram_copy.c

 * Copyright (C) 2000  Simone Piccardi

 *

 * This library 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 library; if not, write to the Free Software Foundation, Inc.,

 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 */

/***************************************************************

 *

 * File gsl_histogram_copy.c: 

 * Routine to copy an histogram. 

 * Need GSL library and headers.

 *

 * Author: S. Piccardi

 * Jan. 2000

 *

 ***************************************************************/

#include <config.h>

#include <stdlib.h>

#include <gsl/gsl_errno.h>

#include <gsl/gsl_histogram.h>

/*

 * gsl_histogram_copy:

 * copy the contents of an histogram into another

 */

int

gsl_histogram_memcpy (gsl_histogram * dest, const gsl_histogram * src)

{

  size_t n = src->n;

  size_t i;

  if (dest->n != src->n)

    {

      GSL_ERROR ("histograms have different sizes, cannot copy",

                 GSL_EINVAL);

    }

  for (i = 0; i <= n; i++)

    {

      dest->range[i] = src->range[i];

    }

  for (i = 0; i < n; i++)

    {

      dest->bin[i] = src->bin[i];

    }

  return GSL_SUCCESS;

}

/*

 * gsl_histogram_duplicate:

 * duplicate an histogram creating

 * an identical new one

 */

gsl_histogram *

gsl_histogram_clone (const gsl_histogram * src)

{

  size_t n = src->n;

  size_t i;

  gsl_histogram *h;

  h = gsl_histogram_calloc_range (n, src->range);

  if (h == 0)

    {

      GSL_ERROR_VAL ("failed to allocate space for histogram struct",

                        GSL_ENOMEM, 0);

    }

  for (i = 0; i < n; i++)

    {

      h->bin[i] = src->bin[i];

    }

  return h;

}