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/* histogram/add.c
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*
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* Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include <gsl/gsl_errno.h>
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#include <gsl/gsl_histogram.h>
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#include "find.c"
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int
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gsl_histogram_increment (gsl_histogram * h, double x)
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{
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int status = gsl_histogram_accumulate (h, x, 1.0);
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return status;
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}
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int
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gsl_histogram_accumulate (gsl_histogram * h, double x, double weight)
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{
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const size_t n = h->n;
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size_t index = 0;
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int status = find (h->n, h->range, x, &index);
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if (status)
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{
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return GSL_EDOM;
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}
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if (index >= n)
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{
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GSL_ERROR ("index lies outside valid range of 0 .. n - 1",
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GSL_ESANITY);
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}
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h->bin[index] += weight;
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return GSL_SUCCESS;
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}
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