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Re: [Help-gsl] Domain error in function gsl_sf_hyperg_U_int for a negati
From: |
Brian Gough |
Subject: |
Re: [Help-gsl] Domain error in function gsl_sf_hyperg_U_int for a negative argument |
Date: |
Fri, 30 Oct 2009 12:30:06 +0000 |
User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI) |
At Mon, 26 Oct 2009 22:08:19 +0100,
Nacho Molina wrote:
> I am trying to use the special function gsl_sf_hyperg_U_int(int
> n, int m, double x) and it seems it is implemented only for x being
> positive. Is it that true? I could not find any reference about that
> on the manual. I have used mathematica and it is able to give a value
> for x < 0 what makes me think that the function is well defined on
> negative real numbers.
You are right, it should handle the case of x<0 but this is not
implemented. I have logged this as a bug at
https://savannah.gnu.org/bugs/?27859
--
Brian Gough
GNU Scientific Library -
http://www.gnu.org/software/gsl/