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/* histogram/gsl_histogram2d.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_HISTOGRAM2D_H__
#define __GSL_HISTOGRAM2D_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 nx, ny ;
double * xrange ;
double * yrange ;
double * bin ;
} gsl_histogram2d ;
typedef struct {
size_t nx, ny ;
double * xrange ;
double * yrange ;
double * sum ;
} gsl_histogram2d_pdf ;
gsl_histogram2d * gsl_histogram2d_alloc (const size_t nx, const size_t ny);
gsl_histogram2d * gsl_histogram2d_calloc (const size_t nx, const size_t ny);
gsl_histogram2d * gsl_histogram2d_calloc_uniform (const size_t nx, const size_t ny,
const double xmin, const double xmax,
const double ymin, const double ymax);
void gsl_histogram2d_free (gsl_histogram2d * h);
int gsl_histogram2d_increment (gsl_histogram2d * h, double x, double y);
int gsl_histogram2d_accumulate (gsl_histogram2d * h,
double x, double y, double weight);
int gsl_histogram2d_find (const gsl_histogram2d * h,
const double x, const double y, size_t * i, size_t * j);
double gsl_histogram2d_get (const gsl_histogram2d * h, const size_t i, const size_t j);
int gsl_histogram2d_get_xrange (const gsl_histogram2d * h, const size_t i,
double * xlower, double * xupper);
int gsl_histogram2d_get_yrange (const gsl_histogram2d * h, const size_t j,
double * ylower, double * yupper);
double gsl_histogram2d_xmax (const gsl_histogram2d * h);
double gsl_histogram2d_xmin (const gsl_histogram2d * h);
size_t gsl_histogram2d_nx (const gsl_histogram2d * h);
double gsl_histogram2d_ymax (const gsl_histogram2d * h);
double gsl_histogram2d_ymin (const gsl_histogram2d * h);
size_t gsl_histogram2d_ny (const gsl_histogram2d * h);
void gsl_histogram2d_reset (gsl_histogram2d * h);
gsl_histogram2d *
gsl_histogram2d_calloc_range(size_t nx, size_t ny,
double *xrange, double *yrange);
int
gsl_histogram2d_set_ranges_uniform (gsl_histogram2d * h,
double xmin, double xmax,
double ymin, double ymax);
int
gsl_histogram2d_set_ranges (gsl_histogram2d * h,
const double xrange[], size_t xsize,
const double yrange[], size_t ysize);
int
gsl_histogram2d_memcpy(gsl_histogram2d *dest, const gsl_histogram2d *source);
gsl_histogram2d *
gsl_histogram2d_clone(const gsl_histogram2d * source);
double
gsl_histogram2d_max_val(const gsl_histogram2d *h);
void
gsl_histogram2d_max_bin (const gsl_histogram2d *h, size_t *i, size_t *j);
double
gsl_histogram2d_min_val(const gsl_histogram2d *h);
void
gsl_histogram2d_min_bin (const gsl_histogram2d *h, size_t *i, size_t *j);
double
gsl_histogram2d_xmean (const gsl_histogram2d * h);
double
gsl_histogram2d_ymean (const gsl_histogram2d * h);
double
gsl_histogram2d_xsigma (const gsl_histogram2d * h);
double
gsl_histogram2d_ysigma (const gsl_histogram2d * h);
double
gsl_histogram2d_cov (const gsl_histogram2d * h);
double
gsl_histogram2d_sum (const gsl_histogram2d *h);
int
gsl_histogram2d_equal_bins_p(const gsl_histogram2d *h1,
const gsl_histogram2d *h2) ;
int
gsl_histogram2d_add(gsl_histogram2d *h1, const gsl_histogram2d *h2);
int
gsl_histogram2d_sub(gsl_histogram2d *h1, const gsl_histogram2d *h2);
int
gsl_histogram2d_mul(gsl_histogram2d *h1, const gsl_histogram2d *h2);
int
gsl_histogram2d_div(gsl_histogram2d *h1, const gsl_histogram2d *h2);
int
gsl_histogram2d_scale(gsl_histogram2d *h, double scale);
int
gsl_histogram2d_shift(gsl_histogram2d *h, double shift);
int gsl_histogram2d_fwrite (FILE * stream, const gsl_histogram2d * h) ;
int gsl_histogram2d_fread (FILE * stream, gsl_histogram2d * h);
int gsl_histogram2d_fprintf (FILE * stream, const gsl_histogram2d * h,
const char * range_format,
const char * bin_format);
int gsl_histogram2d_fscanf (FILE * stream, gsl_histogram2d * h);
gsl_histogram2d_pdf * gsl_histogram2d_pdf_alloc (const size_t nx, const size_t ny);
int gsl_histogram2d_pdf_init (gsl_histogram2d_pdf * p, const gsl_histogram2d * h);
void gsl_histogram2d_pdf_free (gsl_histogram2d_pdf * p);
int gsl_histogram2d_pdf_sample (const gsl_histogram2d_pdf * p,
double r1, double r2,
double * x, double * y);
__END_DECLS
#endif /* __GSL_HISTOGRAM2D_H__ */
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