| /* histogram/add.c |
| * |
| * Copyright (C) 1996, 1997, 1998, 1999, 2000 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 2 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" |
| |
| int |
| gsl_histogram_increment (gsl_histogram * h, double x) |
| { |
| int status = gsl_histogram_accumulate (h, x, 1.0); |
| return status; |
| } |
| |
| int |
| gsl_histogram_accumulate (gsl_histogram * h, double x, double weight) |
| { |
| const size_t n = h->n; |
| size_t index = 0; |
| |
| int status = find (h->n, h->range, x, &index); |
| |
| if (status) |
| { |
| return GSL_EDOM; |
| } |
| |
| if (index >= n) |
| { |
| GSL_ERROR ("index lies outside valid range of 0 .. n - 1", |
| GSL_ESANITY); |
| } |
| |
| h->bin[index] += weight; |
| |
| return GSL_SUCCESS; |
| } |