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/* histogram/gsl_histogram.h
*
* 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.
*/
#ifndef __GSL_HISTOGRAM_H__
#define __GSL_HISTOGRAM_H__
#include <stdlib.h>
#include <stdio.h>
#undef __BEGIN_DECLS
#undef __END_DECLS
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS /* empty */
# define __END_DECLS /* empty */
#endif
__BEGIN_DECLS
typedef struct {
size_t n ;
double * range ;
double * bin ;
} gsl_histogram ;
typedef struct {
size_t n ;
double * range ;
double * sum ;
} gsl_histogram_pdf ;
gsl_histogram * gsl_histogram_alloc (size_t n);
gsl_histogram * gsl_histogram_calloc (size_t n);
gsl_histogram * gsl_histogram_calloc_uniform (const size_t n, const double xmin, const double xmax);
void gsl_histogram_free (gsl_histogram * h);
int gsl_histogram_increment (gsl_histogram * h, double x);
int gsl_histogram_accumulate (gsl_histogram * h, double x, double weight);
int gsl_histogram_find (const gsl_histogram * h,
const double x, size_t * i);
double gsl_histogram_get (const gsl_histogram * h, size_t i);
int gsl_histogram_get_range (const gsl_histogram * h, size_t i,
double * lower, double * upper);
double gsl_histogram_max (const gsl_histogram * h);
double gsl_histogram_min (const gsl_histogram * h);
size_t gsl_histogram_bins (const gsl_histogram * h);
void gsl_histogram_reset (gsl_histogram * h);
gsl_histogram * gsl_histogram_calloc_range(size_t n, double * range);
int
gsl_histogram_set_ranges (gsl_histogram * h, const double range[], size_t size);
int
gsl_histogram_set_ranges_uniform (gsl_histogram * h, double xmin, double xmax);
int
gsl_histogram_memcpy(gsl_histogram * dest, const gsl_histogram * source);
gsl_histogram *
gsl_histogram_clone(const gsl_histogram * source);
double gsl_histogram_max_val (const gsl_histogram * h);
size_t gsl_histogram_max_bin (const gsl_histogram * h);
double gsl_histogram_min_val (const gsl_histogram * h);
size_t gsl_histogram_min_bin (const gsl_histogram * h);
int
gsl_histogram_equal_bins_p(const gsl_histogram *h1, const gsl_histogram *h2);
int
gsl_histogram_add(gsl_histogram *h1, const gsl_histogram *h2);
int
gsl_histogram_sub(gsl_histogram *h1, const gsl_histogram *h2);
int
gsl_histogram_mul(gsl_histogram *h1, const gsl_histogram *h2);
int
gsl_histogram_div(gsl_histogram *h1, const gsl_histogram *h2);
int
gsl_histogram_scale(gsl_histogram *h, double scale);
int
gsl_histogram_shift (gsl_histogram * h, double shift);
double gsl_histogram_sigma (const gsl_histogram * h);
double gsl_histogram_mean (const gsl_histogram * h);
double gsl_histogram_sum (const gsl_histogram * h);
int gsl_histogram_fwrite (FILE * stream, const gsl_histogram * h) ;
int gsl_histogram_fread (FILE * stream, gsl_histogram * h);
int gsl_histogram_fprintf (FILE * stream, const gsl_histogram * h,
const char * range_format, const char * bin_format);
int gsl_histogram_fscanf (FILE * stream, gsl_histogram * h);
gsl_histogram_pdf * gsl_histogram_pdf_alloc (const size_t n);
int gsl_histogram_pdf_init (gsl_histogram_pdf * p, const gsl_histogram * h);
void gsl_histogram_pdf_free (gsl_histogram_pdf * p);
double gsl_histogram_pdf_sample (const gsl_histogram_pdf * p, double r);
__END_DECLS
#endif /* __GSL_HISTOGRAM_H__ */
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