mathfunc.c File Reference

#include <mathfunc.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>

Macros
#define	M_PI   3.14159265358979323846 /* pi */
#define	M_SQRT2   1.41421356237309504880
#define	M_SQRT_2PI   2.5066282746310002416123552393401042
#define	M_LOG_SQRT_2PI   0.9189385332046726695409688545623794
#define	BETA_CF_MIN   1e-100
#define	__SQRT_2_PI   2.506628274631000241612355
#define	LEVMAX   10
#define	M_1_SQRTPI   0.564189583547756279280349644978
#define	M_SQRT2PI   2.506628274631000241612355239340

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 a)
double	gammaln (double a)
double	incgammaln_lower (double x, double a)
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	__beta_cf (double a, double b, double x)
double	betainc (double x, double alpha, double beta)
double	choose (double n, double r)
double	chooseln (double n, double r)
double	factorial (double n)
double	factorialln (double n)
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)
int	binornd (int n, double p)
double	poisspdf (int x, double lambda)
double	poisscdf (int x, double lambda)
int	poissrnd (double lambda)
double	exppdf (double x, double mu)
double	exprnd (double mu)
double	raylpdf (double x, double b)
double	normpdf (double x, double mu, double sigma)
double	normrnd (double mu, double sigma)
double	quad8_stdnormal_pdf (double a, double b, double Q)
double	stdnormal_cdf (double u)
double	stdnormal_inv (double p)
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	pvalue (double v, const double *conddist, 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)

Variables
double	__Qs []

Macro Definition Documentation

#define __SQRT_2_PI   2.506628274631000241612355

#define BETA_CF_MIN   1e-100

#define LEVMAX   10

#define M_1_SQRTPI   0.564189583547756279280349644978

#define M_LOG_SQRT_2PI   0.9189385332046726695409688545623794

#define M_PI   3.14159265358979323846 /* pi */

#define M_SQRT2   1.41421356237309504880

#define M_SQRT2PI   2.506628274631000241612355239340

#define M_SQRT_2PI   2.5066282746310002416123552393401042

Function Documentation

double __beta_cf	(	double	a,
		double	b,
		double	x
	)

double __max	(	double *	data,
		int	size
	)

int __maxidx	(	double *	data,
		int	size
	)

double __min	(	double *	data,
		int	size
	)

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
	)

int binornd	(	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
	)

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

double exppdf	(	double	x,
		double	mu
	)

double exprnd

(

double

mu

)

double factorial

(

double

n

)

double factorialln

(

double

n

)

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

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

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

double gamma

(

double

a

)

double gammainc	(	double	x,
		double	a
	)

double gammaincln	(	double	x,
		double	a
	)

double gammaln

(

double

a

)

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

double incgammaln_lower	(	double	x,
		double	a
	)

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
	)

int poissrnd

(

double

lambda

)

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

double quad8_stdnormal_pdf	(	double	a,
		double	b,
		double	Q
	)

double raylpdf	(	double	x,
		double	b
	)

double stdnormal_cdf

(

double

u

)

double stdnormal_inv

(

double

p

)

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
	)

Variable Documentation

double __Qs[]

Initial value:

= { 1.000000000190015, 76.18009172947146, -86.50532032941677,
                  24.01409824083091, -1.231739572450155, 1.208650973866179e-3, 
                  -5.395239384953e-6}