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Diffstat (limited to 'gsl-1.9/histogram/copy.c')
-rw-r--r-- | gsl-1.9/histogram/copy.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gsl-1.9/histogram/copy.c b/gsl-1.9/histogram/copy.c new file mode 100644 index 0000000..848dcf1 --- /dev/null +++ b/gsl-1.9/histogram/copy.c @@ -0,0 +1,91 @@ +/* gsl_histogram_copy.c + * Copyright (C) 2000 Simone Piccardi + * + * This library 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 library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ +/*************************************************************** + * + * File gsl_histogram_copy.c: + * Routine to copy an histogram. + * Need GSL library and headers. + * + * Author: S. Piccardi + * Jan. 2000 + * + ***************************************************************/ +#include <config.h> +#include <stdlib.h> +#include <gsl/gsl_errno.h> +#include <gsl/gsl_histogram.h> + +/* + * gsl_histogram_copy: + * copy the contents of an histogram into another + */ + +int +gsl_histogram_memcpy (gsl_histogram * dest, const gsl_histogram * src) +{ + size_t n = src->n; + size_t i; + + if (dest->n != src->n) + { + GSL_ERROR ("histograms have different sizes, cannot copy", + GSL_EINVAL); + } + + for (i = 0; i <= n; i++) + { + dest->range[i] = src->range[i]; + } + + for (i = 0; i < n; i++) + { + dest->bin[i] = src->bin[i]; + } + + return GSL_SUCCESS; +} + +/* + * gsl_histogram_duplicate: + * duplicate an histogram creating + * an identical new one + */ + +gsl_histogram * +gsl_histogram_clone (const gsl_histogram * src) +{ + size_t n = src->n; + size_t i; + gsl_histogram *h; + + h = gsl_histogram_calloc_range (n, src->range); + + if (h == 0) + { + GSL_ERROR_VAL ("failed to allocate space for histogram struct", + GSL_ENOMEM, 0); + } + + for (i = 0; i < n; i++) + { + h->bin[i] = src->bin[i]; + } + + return h; +} |