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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

Brian Gough

GNU Scientific Library -

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