src/main/cpp/numerics4cpp/special/gamma.h File Reference

#include "../numerics.h"

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Functions
double	log_gamma (double x)
double	regularized_gamma_p (double a, double x)
double	regularized_gamma_q (double a, double x)

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Detailed Description

Implementations for several functions related to the Gamma function.

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Function Documentation

double log_gamma

(

double

x

)

Returns the natural logarithm of the gamma function.

Parameters:

x

the value. log(Γ(x)).

double regularized_gamma_p	(	double	a,
		double	x
	)

Returns the regularized gamma function P(a, x).

Parameters:

	a	the a parameter.
	x	the value. the regularized gamma function P(a, x).

double regularized_gamma_q	(	double	a,
		double	x
	)

Returns the regularized gamma function Q(a, x) = 1 - P(a, x).

Parameters:

	a	the a parameter.
	x	the value. the regularized gamma function Q(a, x).

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