Gammaq.h File Reference

---

Detailed Description

Declaration of GammaQ functions.

Id

Gammaq.h,v 1.3 2004/04/11 03:16:54 pfkeb Exp

Definition in file Gammaq.h.

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iostream>
#include <cassert>

Include dependency graph for Gammaq.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
namespace	hippodraw
namespace	hippodraw::Numeric
Defines
#define	EPS   3.0e-7
#define	FPMIN   1.0e-30
#define	ITMAX   100
#define	MAXSTR   80
Functions
double	hippodraw::Numeric::gammln (double xx)
	Calculates natural log of a gamma function.
double	hippodraw::Numeric::gammq (double a, double x)
	Calculates Q, the probability that the chi2 should exceed a particilar chi2 (input) by chance.
void	hippodraw::Numeric::gcf (double *gammcf, double a, double x, double *gln)
	Calculates Q, the probability that the chi2 should exceed a particilar chi2 (input) by chance, by using continued fractions.
void	hippodraw::Numeric::gser (double *gamser, double a, double x, double *gln)
	Calculates Q, the probability that the chi2 should exceed a particilar chi2 (input) by chance, by using series approximation.

---

Define Documentation

#define EPS   3.0e-7

Definition at line 15 of file Gammaq.h. Referenced by hippodraw::Numeric::gcf(), and hippodraw::Numeric::gser().

#define FPMIN   1.0e-30

Definition at line 16 of file Gammaq.h. Referenced by hippodraw::Numeric::gcf().

#define ITMAX   100

Definition at line 14 of file Gammaq.h. Referenced by hippodraw::Numeric::gcf(), and hippodraw::Numeric::gser().

#define MAXSTR   80

Definition at line 17 of file Gammaq.h.

---