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- /* 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., 675 Mass Ave, Cambridge, MA 02139, 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;
- }
-