gammaz

Required for the incomplete Fox H-function and the I-function

Gamma function valid in the entire complex plane. Accuracy is 15 significant digits along the real axis and 13 significant digits elsewhere. This routine uses a superb Lanczos series approximation for the complex Gamma function.

%Paul Godfrey

[e-mail]

%http://winnie.fit.edu/~gabdo/gamma.txt

%Sept 11, 2001