/* histogram/get.c

 * 

 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough

 * 

 * 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 <gsl/gsl_errno.h>

#include <gsl/gsl_histogram.h>

#include "find.c"

double

gsl_histogram_get (const gsl_histogram * h, size_t i)

{

  const size_t n = h->n;

  if (i >= n)

    {

      GSL_ERROR_VAL ("index lies outside valid range of 0 .. n - 1",

                        GSL_EDOM, 0);

    }

  return h->bin[i];

}

int

gsl_histogram_get_range (const gsl_histogram * h, size_t i,

                         double *lower, double *upper)

{

  const size_t n = h->n;

  if (i >= n)

    {

      GSL_ERROR ("index lies outside valid range of 0 .. n - 1", GSL_EDOM);

    }

  *lower = h->range[i];

  *upper = h->range[i + 1];

  return GSL_SUCCESS;

}

int

gsl_histogram_find (const gsl_histogram * h,

                    const double x, size_t * i)

{

  int status = find (h->n, h->range, x, i);

  if (status)

    {

      GSL_ERROR ("x not found in range of h", GSL_EDOM);

    }

  return GSL_SUCCESS;

}