/* gsl_histogram2d_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_histogram2d_copy.c: 

 * Routine to copy a 2D histogram. 

 * Need GSL library and header.

 *

 * Author: S. Piccardi

 * Jan. 2000

 *

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

#include <config.h>

#include <stdlib.h>

#include <gsl/gsl_errno.h>

#include <gsl/gsl_histogram2d.h>

/*

 * gsl_histogram2d_copy:

 * copy the contents of an histogram into another

 */

int

gsl_histogram2d_memcpy (gsl_histogram2d * dest, const gsl_histogram2d * src)

{

  size_t nx = src->nx;

  size_t ny = src->ny;

  size_t i;

  if (dest->nx != src->nx || dest->ny != src->ny)

    {

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

                 GSL_EINVAL);

    }

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

    {

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

    }

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

    {

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

    }

  for (i = 0; i < nx * ny; i++)

    {

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

    }

  return GSL_SUCCESS;

}

/*

 * gsl_histogram2d_duplicate:

 * duplicate an histogram creating

 * an identical new one

 */

gsl_histogram2d *

gsl_histogram2d_clone (const gsl_histogram2d * src)

{

  size_t nx = src->nx;

  size_t ny = src->ny;

  size_t i;

  gsl_histogram2d *h;

  h = gsl_histogram2d_calloc_range (nx, ny, src->xrange, src->yrange);

  if (h == 0)

    {

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

                        GSL_ENOMEM, 0);

    }

  for (i = 0; i < nx * ny; i++)

    {

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

    }

  return h;

}