cbetacf.cpp File Reference

(* $Id: cbetacf.cpp 789 2010-10-05 01:01:09Z johnoel $)

#include <fvar.hpp>
#include <math.h>

Go to the source code of this file.

Defines
#define	EPS   1.0e-9
#define	FPMIN   1.0e-30
Functions
double	betacf (const double a, const double b, const double x, int MAXIT)
	Incomplete beta function for constant objects.

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Define Documentation

#define EPS   1.0e-9

Id:

cbetacf.cpp 789 2010-10-05 01:01:09Z johnoel

Author: David Fournier Copyright (c) 2009, 2010 ADMB Foundation

Definition at line 9 of file cbetacf.cpp.

Referenced by betacf(), gcf(), and gser().

#define FPMIN   1.0e-30

Definition at line 10 of file cbetacf.cpp.

Referenced by betacf().

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Function Documentation

double betacf	(	const double	a,
		const double	b,
		const double	x,
		int	MAXIT
	)

Incomplete beta function for constant objects.

Parameters:

a
b
x	Evaluates the continued fraction approximation for imcomplete beta function.

The implementation of this algorithm was inspired by "Numerical Recipes in C", 2nd edition, Press, Teukolsky, Vetterling, Flannery, chapter 2

Definition at line 22 of file cbetacf.cpp.

Referenced by betai().