Generalised Gamma Distribution

[Brian Gough]

Adam Johansen writes:
 > Hello,
 > 
 > Am I correct in thinking that the GSL doesn't contain an
 > implementation of the generalised gamma function

I'm not familiar with the definition, which function does it
correspond to in Abramowitz and Stegun?

 > and that there is no implementation of the gamma function for
 > complex variables?

There is gsl_sf_lngamma_complex_e for Log[Gamma(z)].

 > If so, does anybody have any advice on implementing one?

There is some general advice in the design document at
http://sources.redhat.com/gsl/

-- 
Brian Gough