contrib/mul/mbl/mbl_gamma.h File Reference

Gamma and Incomplete Gamma functions. More...

Go to the source code of this file.

Functions
double	mbl_log_gamma (double a)
	log of Gamma function of a.
double	mbl_gamma_p (double a, double x)
	Incomplete gamma function, P(a,x).
double	mbl_gamma_q (double a, double x)
	Incomplete gamma function, Q(a,x).
double	mbl_log_gamma_q (double a, double x)
	log of Incomplete gamma function, Q(a,x).
double	mbl_erf (double x)
	The Error function.

---

Detailed Description

Gamma and Incomplete Gamma functions.

Author:

Tim Cootes

Date:

18-Apr-2001

Definition in file mbl_gamma.h.

---

Function Documentation

double mbl_erf

(

double

x

)

[inline]

The Error function.

erf(x) = (2/sqrt(pi)) Integral from 0 to x (exp(-t^2) dt)

Definition at line 23 of file mbl_gamma.h.

double mbl_gamma_p	(	double	a,
		double	x
	)

Incomplete gamma function, P(a,x).

Definition at line 127 of file mbl_gamma.cxx.

double mbl_gamma_q	(	double	a,
		double	x
	)

Incomplete gamma function, Q(a,x).

Definition at line 147 of file mbl_gamma.cxx.

double mbl_log_gamma

(

double

a

)

log of Gamma function of a.

Definition at line 10 of file mbl_gamma.cxx.

double mbl_log_gamma_q	(	double	a,
		double	x
	)

log of Incomplete gamma function, Q(a,x).

Definition at line 167 of file mbl_gamma.cxx.