igam.c File Reference

#include "mconf.h"
#include "lanczos.h"
#include "igam.h"

Include dependency graph for igam.c:

Go to the source code of this file.

Macros
#define	IGAM   1
#define	IGAMC   0
#define	LARGE   200
#define	LARGERATIO   4.5
#define	MAXITER   2000
#define	SMALL   20
#define	SMALLRATIO   0.3

Functions
static double	asymptotic_series (double, double, int)
double	igam (double a, double x)
double	igam_fac (double a, double x)
static double	igam_series (double, double)
double	igamc (double a, double x)
static double	igamc_continued_fraction (double, double)
static double	igamc_series (double, double)

Variables
static double	big = 4.503599627370496e15
static double	biginv = 2.22044604925031308085e-16
double	MACHEP
double	MAXLOG

Macro Definition Documentation

IGAM

#define IGAM   1

Definition at line 111 of file igam.c.

IGAMC

#define IGAMC   0

Definition at line 112 of file igam.c.

LARGE

#define LARGE   200

Definition at line 114 of file igam.c.

LARGERATIO

#define LARGERATIO   4.5

Definition at line 116 of file igam.c.

MAXITER

#define MAXITER   2000

Definition at line 110 of file igam.c.

SMALL

#define SMALL   20

Definition at line 113 of file igam.c.

SMALLRATIO

#define SMALLRATIO   0.3

Definition at line 115 of file igam.c.

Function Documentation

asymptotic_series()

static double asymptotic_series ( double  a, double  x, int  func  )

static

Definition at line 368 of file igam.c.

igam()

double igam	(	double	a,
		double	x
	)

Definition at line 128 of file igam.c.

igam_fac()

double igam_fac	(	double	a,
		double	x
	)

Definition at line 231 of file igam.c.

igam_series()

static double igam_series ( double  a, double  x  )

static

Definition at line 314 of file igam.c.

igamc()

double igamc	(	double	a,
		double	x
	)

Definition at line 169 of file igam.c.

igamc_continued_fraction()

static double igamc_continued_fraction ( double  a, double  x  )

static

Definition at line 259 of file igam.c.

igamc_series()

static double igamc_series ( double  a, double  x  )

static

Definition at line 345 of file igam.c.

Variable Documentation

big

double big = 4.503599627370496e15

static

Definition at line 119 of file igam.c.

biginv

double biginv = 2.22044604925031308085e-16

static

Definition at line 120 of file igam.c.

MACHEP

double MACHEP

Definition at line 54 of file const.c.

MAXLOG

double MAXLOG

Definition at line 118 of file igam.c.