Re: [Bug-gsl] Bug in gsl_sf_hyperg_U

[Brian Gough]

At Wed, 27 May 2009 18:38:37 -0700,
Kovid Goyal wrote:
> The Hyper geometric U function gsl_sf_hyperg_U gives incorrect
> results on a linux x86 machine (gsl version 1.12).
> 
> For example:
> 
> gsl_sf_hyperg_U(-2.0, 0.5, 1.13) gives 0.75 which is the wrong value
> (it is the expected value for x = 0.
> Running gsl_sf_hyperg_U(-2.0, 0.5, 0) gives a domain error.

Thanks for the bug report, I've logged this in the bug tracker at
http://savannah.gnu.org/bugs/index.php?26706 and am adding some test
cases for it.  If you have any patches or suggestions on fixing it
they'd be welcome.

-- 
Brian Gough
(GSL Maintainer)

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