src/histogram.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <gsl/gsl_math.h>
#include <gsl/gsl_histogram.h>
#include <gsl/gsl_vector.h>
#include <assert.h>
#include <string.h>
#include <ctype.h>
#include "gsl_helper.h"
#include "utils.h"
#include "debug.h"
#include "histogram.h"

Functions
gsl_histogram *	create_hist (int nbins, double min, double max)
gsl_histogram *	calc_hist (const gsl_vector *v, int nbins)
void	append_to_hists (gsl_histogram **hists, unsigned int n, const char *filename)
void	find_min_max (char *filename, gsl_vector *min, gsl_vector *max)
void	update_min_max (char *filename, gsl_vector *min, gsl_vector *max)

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Function Documentation

void append_to_hists	(	gsl_histogram **	hists,
		unsigned int	n,
		const char *	filename
	)

append the input of a file with n columns to the according histograms.

References dump_i, and openfile().

Referenced by calc_marginal_distribution().

gsl_histogram* calc_hist	(	const gsl_vector *	v,
		int	nbins
	)

calculate a histogram

Parameters:

v	vector to look at
nbins	number of bins to use for the histogram

References debug, dump_d, and require.

Referenced by test_hist().

gsl_histogram* create_hist	(	int	nbins,
		double	min,
		double	max
	)

create a inclusive histogram where min and max are inside the value range.

Referenced by calc_marginal_distribution().

void find_min_max	(	char *	filename,
		gsl_vector *	min,
		gsl_vector *	max
	)

find the smallest and largest values of a file for each column, then set the min/max vectors

References assert, dump_i, and openfile().

Referenced by calc_marginal_distribution(), and update_min_max().

void update_min_max	(	char *	filename,
		gsl_vector *	min,
		gsl_vector *	max
	)

find the smallest and largest values of a file for each column, then update the min/max vectors

References dup_vector(), find_min_max(), max_vector(), and min_vector().

Referenced by calc_marginal_distribution().