[Bug-gsl] [bug #41837] bugs in gsl_sf_hyperg_U

[Patrick Alken]

URL:
  <http://savannah.gnu.org/bugs/?41837>

                 Summary: bugs in gsl_sf_hyperg_U
                 Project: GNU Scientific Library
            Submitted by: psa
            Submitted on: Tue 11 Mar 2014 07:52:19 PM GMT
                Category: Runtime error
                Severity: 3 - Normal
        Operating System: 
                  Status: None
             Assigned to: None
             Open/Closed: Open
                 Release: 
         Discussion Lock: Any

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Details:

Hi,

I have been using the gsl_sf_hyperg_U function for a while and I found
several bugs when calculating normal values. For example,

1) gsl_sf_hyperg_U(1, -500, 0.1) gives incorrect value: 9.3246e+03, which
actually should be around 0.19.

2) Many domain error bugs. For example, gsl_sf_hyperg_U(1, -6.67, 1) should
have value ~0.128 but will invoke domain error for gsl.




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