Functions
doublecomplex	cgamma (doublecomplex z)
	Gamma function Γ(z) (complex argument)

void	cgamma_sub (doublecomplex z, doublecomplex *zout)
	Gamma function Γ(z) (complex argument)

doublecomplex	clgamma (doublecomplex z)
	Logarithm of gamma function ln(Γ(z)) (complex argument)

void	clgamma_sub (doublecomplex z, doublecomplex *zout)
	Logarithm of gamma function ln(Γ(z)) (complex argument)

doublecomplex	crgamma (doublecomplex z)
	Reciprocal of gamma function 1/Γ(z) (complex argument)

void	crgamma_sub (doublecomplex z, doublecomplex *zout)
	Reciprocal of gamma function 1/Γ(z) (complex argument)

double	lgammas (double x, int *sign)
	Logarithm of gamma function ln\|Γ(x)\| and sign of gamma function

double	poch (double a, double x)
	Pochhammer's symbol (a)x

double	poch1 (double a, double x)
	Relative Pochhammer's symbol ((a)x - 1)/x

double	rgamma (double x)
	Reciprocal of gamma function 1/Γ(x)

double	tgamma1pm1 (double x)
	Gamma function Γ(1+x) - 1

double	tgammadratio (double a, double delta)
	Ratio of gamma functions Γ(a)/Γ(a+δ)

double	tgammaratio (double a, double b)
	Ratio of gamma functions Γ(a)/Γ(b)

Detailed Description

This is the group of C7a. Gamma functions.

Functions