Subject: gamma - numerical evaluation at complex argument
From: Raymond Toy
Date: Mon, 18 Oct 2004 09:48:02 -0400
>>>>> "Vadim" == Vadim V Zhytnikov <vvzhy@mail.ru> writes:
Vadim> Now when Maxima numerically evaluate all kinds
Vadim> of Bessel functions with complex argument I wonder
Vadim> can we do this for gamma function as well?
Vadim> Now gamma(z) for real floating point z converts
Vadim> it to complex, feeds in gamma-lanczos and converts
Vadim> result back to real.
Vadim> Can't we just use gamma-lanczos for complex floating z
Vadim> directly?
Yes, we probably could make gamma(z) accept complex values. Probably
an oversight when gamma-lanczos was added.
Ray