Functions
double	_gammai (double a, double x)
	Incomplete gamma function γ(a, x)

double	_gammaic (double a, double x)
	Complementary incomplete gamma function Γ(a, x)

double	_gammait (double a, double x)
	*Tricomi's incomplete gamma function γ^(a, x)**

double	_gammap (double a, double x)
	Normalized incomplete gamma function P(a, x)

double	_gammapd (double a, double x)
	Derivative of normalized incomplete gamma function P(a, x)

double	_gammapi (double a, double p)
	Inverse function of x for normalized incomplete gamma function P(a, x)

double	_gammapia (double x, double p)
	Inverse function of a for normalized incomplete gamma function P(a, x)

double	_gammaq (double a, double x)
	Normalized complementary incomplete gamma function Q(a, x)

double	_gammaqi (double a, double q)
	Inverse function of x for normalized complementary incomplete gamma function Q(a, x)

double	_gammaqia (double x, double q)
	Inverse function of a for normalized complementary incomplete gamma function Q(a, x)

Detailed Description

This is the group of C7e. Incomplete Gamma functions.

Functions