3 * Copyright (C) 1996, 1997, 1998, 1999, 2000, 2007 Brian Gough
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or (at
8 * your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
22 #include <gsl/gsl_errno.h>
23 #include <gsl/gsl_histogram.h>
24 #include <gsl/gsl_histogram2d.h>
29 gsl_histogram2d_increment (gsl_histogram2d * h, double x, double y)
31 int status = gsl_histogram2d_accumulate (h, x, y, 1.0);
36 gsl_histogram2d_accumulate (gsl_histogram2d * h,
37 double x, double y, double weight)
39 const size_t nx = h->nx;
40 const size_t ny = h->ny;
44 int status = find2d (h->nx, h->xrange, h->ny, h->yrange, x, y, &i, &j);
53 GSL_ERROR ("index lies outside valid range of 0 .. nx - 1",
59 GSL_ERROR ("index lies outside valid range of 0 .. ny - 1",
63 h->bin[i * ny + j] += weight;