/usr/include/gnuastro/statistics.h is in libgnuastro-dev 0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Statistical functions.
This is part of GNU Astronomy Utilities (Gnuastro) package.
Original author:
Mohammad Akhlaghi <akhlaghi@gnu.org>
Contributing author(s):
Copyright (C) 2015, Free Software Foundation, Inc.
Gnuastro 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 3 of the License, or (at your
option) any later version.
Gnuastro 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 Gnuastro. If not, see <http://www.gnu.org/licenses/>.
**********************************************************************/
#ifndef __GAL_STATISTICS_H__
#define __GAL_STATISTICS_H__
/* Include other headers if necessary here. Note that other header files
must be included before the C++ preparations below */
#include <gnuastro/data.h>
/* C++ Preparations */
#undef __BEGIN_C_DECLS
#undef __END_C_DECLS
#ifdef __cplusplus
# define __BEGIN_C_DECLS extern "C" {
# define __END_C_DECLS }
#else
# define __BEGIN_C_DECLS /* empty */
# define __END_C_DECLS /* empty */
#endif
/* End of C++ preparations */
/* Actual header contants (the above were for the Pre-processor). */
__BEGIN_C_DECLS /* From C++ preparations */
/* Maximum number of tests for sigma-clipping convergence. */
#define GAL_STATISTICS_SIG_CLIP_MAX_CONVERGE 50
/* Least acceptable mode symmetricity.*/
#define GAL_STATISTICS_MODE_GOOD_SYM 0.2f
/* Enumerators */
enum is_sorted_outputs
{
GAL_STATISTICS_SORTED_NOT, /* ==0 by C standard. */
GAL_STATISTICS_SORTED_INCREASING,
GAL_STATISTICS_SORTED_DECREASING,
};
enum bin_status
{
GAL_STATISTICS_BINS_INVALID, /* ==0 by C standard. */
GAL_STATISTICS_BINS_REGULAR,
GAL_STATISTICS_BINS_IRREGULAR,
};
/****************************************************************
******** Simple statistics *******
****************************************************************/
gal_data_t *
gal_statistics_number(gal_data_t *input);
gal_data_t *
gal_statistics_minimum(gal_data_t *input);
gal_data_t *
gal_statistics_maximum(gal_data_t *input);
gal_data_t *
gal_statistics_sum(gal_data_t *input);
gal_data_t *
gal_statistics_mean(gal_data_t *input);
gal_data_t *
gal_statistics_std(gal_data_t *input);
gal_data_t *
gal_statistics_mean_std(gal_data_t *input);
gal_data_t *
gal_statistics_median(gal_data_t *input, int inplace);
size_t
gal_statistics_quantile_index(size_t size, double quantile);
gal_data_t *
gal_statistics_quantile(gal_data_t *input, double quantile, int inplace);
size_t
gal_statistics_quantile_function_index(gal_data_t *input, gal_data_t *value,
int inplace);
gal_data_t *
gal_statistics_quantile_function(gal_data_t *input, gal_data_t *value,
int inplace);
/****************************************************************
******** Mode *******
****************************************************************/
gal_data_t *
gal_statistics_mode(gal_data_t *input, float errorstd, int inplace);
gal_data_t *
gal_statistics_mode_mirror_plots(gal_data_t *input, gal_data_t *value,
size_t numbins, int inplace,
double *mirror_val);
/****************************************************************
******** Sort *******
****************************************************************/
int
gal_statistics_is_sorted(gal_data_t *input);
void
gal_statistics_sort_increasing(gal_data_t *input);
void
gal_statistics_sort_decreasing(gal_data_t *input);
gal_data_t *
gal_statistics_no_blank_sorted(gal_data_t *input, int inplace);
/****************************************************************
******** Histogram and Cumulative Frequency Plot *******
****************************************************************/
gal_data_t *
gal_statistics_regular_bins(gal_data_t *data, gal_data_t *range,
size_t numbins, double onebinstart);
gal_data_t *
gal_statistics_histogram(gal_data_t *data, gal_data_t *bins,
int normalize, int maxhistone);
gal_data_t *
gal_statistics_cfp(gal_data_t *data, gal_data_t *bins, int normalize);
/****************************************************************
***************** Sigma clip ********************
****************************************************************/
gal_data_t *
gal_statistics_sigma_clip(gal_data_t *input, float multip, float param,
int inplace, int quiet);
/****************************************************************/
/************* Identify outliers ****************/
/****************************************************************/
void
gal_statistics_remove_outliers_flat_cdf(float *sorted, size_t *outsize);
__END_C_DECLS /* From C++ preparations */
#endif /* __GAL_STATISTICS_H__ */
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