mathfunc.h File Reference

#include <math.h>
#include <stdarg.h>
#include <stdio.h>

Go to the source code of this file.

Data Structures
struct	FMinSearch
struct	tagHistogram
struct	tagANOVAResultElement
struct	tagANOVA

Macros
#define	__EPS__   1e-8
#define	MAX(a, b)   ( (a) > (b) ? (a) : (b) )
#define	MIN(a, b)   ( (a) < (b) ? (a) : (b) )
#define	MAX_DOUBLE   1.7976931348623157e+308
#define	MIN_DOUBLE   4.9e-300

Typedefs
typedef double(*	math_func )(double *x, void *args)
typedef FMinSearch *	pFMinSearch
typedef struct tagHistogram	Histogram
typedef Histogram *	pHistogram
typedef struct tagANOVAResultElement	ANOVAResultElement
typedef ANOVAResultElement *	pANOVAResultElement
typedef struct tagANOVA	ANOVA
typedef ANOVA *	pANOVA

Functions
int	__maxidx (double *data, int size)
double	__max (double *data, int size)
double	__min (double *data, int size)
double	ipow (double val, int expo)
double	unifrnd ()
double	gamma (double c)
double	gammaln (double c)
double	gammaincln (double x, double a)
double	gammainc (double x, double a)
double	beta (double alpha, double beta)
double	betaln (double alpha, double beta)
double	betainc (double x, double alpha, double beta)
double	choose (double n, double r)
double	chooseln (double n, double r)
double	gampdf (double x, double alpha, double beta)
double	gamcdf (double x, double alpha, double beta)
double	betapdf (double x, double alpha, double beta)
double	chi2pdf (double x, int df)
double	chi2cdf (double x, int df)
double	fpdf (double x, int df1, int df2)
double	fcdf (double x, int df1, int df2)
double	tpdf (double x, int df)
double	tcdf (double x, int df)
double	binopdf (int x, int n, double p)
double	binocdf (int x, int n, double p)
double	poisspdf (int x, double lambda)
double	poisscdf (int x, double lambda)
double	exppdf (double x, double mu)
double	exprnd (double mu)
double	reylpdf (double x, double b)
double	normpdf (double x, double mu, double sigma)
double	normrnd (double mu, double sigma)
double	normcdf (double x, double mu, double sigma)
double	norminv (double x, double mu, double sigma)
double	mean (double *data, int size)
double	variance (double *data, int size)
double	summation (double *data, int size)
double *	vector_fraction (double *data, int size, double denominator)
int	comp_double (const void *elem1, const void *elem2)
double	pvalue (double v, const double *conddist, int size)
double	fminsearch (pFMinSearch pfm, double *X0)
pFMinSearch	fminsearch_new ()
pFMinSearch	fminsearch_new_with_eq (math_func eq, int Xsize, void *args)
void	fminsearch_set_equation (pFMinSearch pfm, math_func eq, int Xsize, void *args)
void	fminsearch_free (pFMinSearch pfm)
int	fminsearch_min (pFMinSearch pfm, double *X0)
double *	fminsearch_get_minX (pFMinSearch pfm)
double	fminsearch_get_minF (pFMinSearch pfm)
pHistogram	histogram_new (double *data, int nsamples, int nbins)
void	histogram_free (pHistogram phist)
void	histogram_set_by_bin (pHistogram phist, double *data, int nsample, int nbins)
void	histogram_set_by_unit (pHistogram phist, double *data, int nsample, double unit)
void	histogram_set_sparse_data (pHistogram phist, double *data, int nsamples)
int	histogram_get_count (pHistogram phist, double p)
double	histogram_compare (pHistogram phist1, pHistogram phist2)
void	histogram_print (pHistogram phist, FILE *fp)
int	histogram_merge (pHistogram phist, pHistogram parg)
double	histogram_check_fitness (pHistogram phist, double *args, double(*cdf)(double p, double *args))
double	histogram_get_prob (pHistogram phist, double p)
pHistogram	histogram_load (char *file)
void	histogram_set_with_preset_point (pHistogram phist, double *data, int nsamples, double *point, int nbins)
pANOVA	anova_new (int nways, int *ngrps)
void	anova (pANOVA panova,...)
void	anova1_run (pANOVA panova)
void	anova2_run (pANOVA panova)
void	anovan_run (pANOVA panova, va_list ap)
void	anova_free (pANOVA panova)
void	anova_print (pANOVA panova, char **name)
void	anova_print_data (pANOVA panova)
double	cmp_paired_t_test (double *grp1, double *grp2, int size)
double	cmp_two_indep_chi2test (double *grp1, double *grp2, int size)
double	cmp_two_indep_t_test (double *grp1, int size1, double *grp2, int size2)

Macro Definition Documentation

#define __EPS__   1e-8

#define MAX	(		a,
			b
	)		( (a) > (b) ? (a) : (b) )

#define MAX_DOUBLE   1.7976931348623157e+308

#define MIN	(		a,
			b
	)		( (a) < (b) ? (a) : (b) )

#define MIN_DOUBLE   4.9e-300

Typedef Documentation

typedef struct tagANOVA ANOVA

typedef struct tagANOVAResultElement ANOVAResultElement

typedef struct tagHistogram Histogram

typedef double(* math_func)(double *x, void *args)

typedef ANOVA* pANOVA

typedef ANOVAResultElement* pANOVAResultElement

typedef FMinSearch* pFMinSearch

typedef Histogram* pHistogram

Function Documentation

double __max	(	double *	data,
		int	size
	)

int __maxidx	(	double *	data,
		int	size
	)

double __min	(	double *	data,
		int	size
	)

void anova	(	pANOVA	panova,
			...
	)

void anova1_run

(

pANOVA

panova

)

void anova2_run

(

pANOVA

panova

)

void anova_free

(

pANOVA

panova

)

pANOVA anova_new	(	int	nways,
		int *	ngrps
	)

void anova_print	(	pANOVA	panova,
		char **	name
	)

void anova_print_data

(

pANOVA

panova

)

void anovan_run	(	pANOVA	panova,
		va_list	ap
	)

double beta	(	double	alpha,
		double	beta
	)

double betainc	(	double	x,
		double	alpha,
		double	beta
	)

double betaln	(	double	alpha,
		double	beta
	)

double betapdf	(	double	x,
		double	alpha,
		double	beta
	)

double binocdf	(	int	x,
		int	n,
		double	p
	)

double binopdf	(	int	x,
		int	n,
		double	p
	)

double chi2cdf	(	double	x,
		int	df
	)

double chi2pdf	(	double	x,
		int	df
	)

double choose	(	double	n,
		double	r
	)

double chooseln	(	double	n,
		double	r
	)

double cmp_paired_t_test	(	double *	grp1,
		double *	grp2,
		int	size
	)

double cmp_two_indep_chi2test	(	double *	grp1,
		double *	grp2,
		int	size
	)

double cmp_two_indep_t_test	(	double *	grp1,
		int	size1,
		double *	grp2,
		int	size2
	)

int comp_double	(	const void *	elem1,
		const void *	elem2
	)

double exppdf	(	double	x,
		double	mu
	)

double exprnd

(

double

mu

)

double fcdf	(	double	x,
		int	df1,
		int	df2
	)

double fminsearch	(	pFMinSearch	pfm,
		double *	X0
	)

void fminsearch_free

(

pFMinSearch

pfm

)

double fminsearch_get_minF

(

pFMinSearch

pfm

)

double* fminsearch_get_minX

(

pFMinSearch

pfm

)

int fminsearch_min	(	pFMinSearch	pfm,
		double *	X0
	)

pFMinSearch fminsearch_new

(

)

pFMinSearch fminsearch_new_with_eq	(	math_func	eq,
		int	Xsize,
		void *	args
	)

void fminsearch_set_equation	(	pFMinSearch	pfm,
		math_func	eq,
		int	Xsize,
		void *	args
	)

double fpdf	(	double	x,
		int	df1,
		int	df2
	)

double gamcdf	(	double	x,
		double	alpha,
		double	beta
	)

double gamma

(

double

c

)

double gammainc	(	double	x,
		double	a
	)

double gammaincln	(	double	x,
		double	a
	)

double gammaln

(

double

c

)

double gampdf	(	double	x,
		double	alpha,
		double	beta
	)

double histogram_check_fitness	(	pHistogram	phist,
		double *	args,
		double(*)(double p, double *args)	cdf
	)

double histogram_compare	(	pHistogram	phist1,
		pHistogram	phist2
	)

void histogram_free

(

pHistogram

phist

)

int histogram_get_count	(	pHistogram	phist,
		double	p
	)

double histogram_get_prob	(	pHistogram	phist,
		double	p
	)

pHistogram histogram_load

(

char *

file

)

int histogram_merge	(	pHistogram	phist,
		pHistogram	parg
	)

pHistogram histogram_new	(	double *	data,
		int	nsamples,
		int	nbins
	)

void histogram_print	(	pHistogram	phist,
		FILE *	fp
	)

void histogram_set_by_bin	(	pHistogram	phist,
		double *	data,
		int	nsample,
		int	nbins
	)

void histogram_set_by_unit	(	pHistogram	phist,
		double *	data,
		int	nsample,
		double	unit
	)

void histogram_set_sparse_data	(	pHistogram	phist,
		double *	data,
		int	nsamples
	)

void histogram_set_with_preset_point	(	pHistogram	phist,
		double *	data,
		int	nsamples,
		double *	point,
		int	nbins
	)

double ipow	(	double	val,
		int	expo
	)

double mean	(	double *	data,
		int	size
	)

double normcdf	(	double	x,
		double	mu,
		double	sigma
	)

double norminv	(	double	x,
		double	mu,
		double	sigma
	)

double normpdf	(	double	x,
		double	mu,
		double	sigma
	)

double normrnd	(	double	mu,
		double	sigma
	)

double poisscdf	(	int	x,
		double	lambda
	)

double poisspdf	(	int	x,
		double	lambda
	)

double pvalue	(	double	v,
		const double *	conddist,
		int	size
	)

double reylpdf	(	double	x,
		double	b
	)

double summation	(	double *	data,
		int	size
	)

double tcdf	(	double	x,
		int	df
	)

double tpdf	(	double	x,
		int	df
	)

double unifrnd

(

)

double variance	(	double *	data,
		int	size
	)

double* vector_fraction	(	double *	data,
		int	size,
		double	denominator
	)