[Bug-gsl] [bug #24812] gsl_sf_hyperg_2F1(11, -1 ; 11/2; 0.125) fails

[Brian Gough]

URL:
  <http://savannah.gnu.org/bugs/?24812>

                 Summary: gsl_sf_hyperg_2F1(11, -1 ; 11/2; 0.125) fails
                 Project: GNU Scientific Library
            Submitted by: bjg
            Submitted on: Tue 11 Nov 2008 02:43:07 PM GMT
                Category: Runtime error
                Severity: 3 - Normal
        Operating System: 
                  Status: Confirmed
             Assigned to: None
             Open/Closed: Open
                 Release: 1.11
         Discussion Lock: Any

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Details:

From: "Didier Pinchon" <address@hidden>
To: <address@hidden>
Subject: [Bug-gsl] Bug in gsl_sf_hyperg_2F1 ??
Date: Sat, 8 Nov 2008 03:00:41 +0100

Hello,

I have tried to compute 2F1(11, -1 ; 11/2; 0.125) and I got an error message
(below is my sample program).
However 2F1(-1, 11 ; 11/2; 0.125) provides the right result 0.75

Am I wrong somewhere ?
I did not find any indication in archives.

Thank you for your help.
All the best,
Didier


/* Compilation and execution:
$ gcc -o bug_gsl -I/usr/local/include/gsl bug_gsl.c -L/usr/local/lib -lgsl
-lm

$ ./bug_gsl
gsl: hyperg_2F1.c:750: ERROR: error
Default GSL error handler invoked.
Abandon

*/




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File Attachments:


-------------------------------------------------------
Date: Tue 11 Nov 2008 02:43:07 PM GMT  Name: hyperg2F1.c  Size: 364B   By:
bjg

<http://savannah.gnu.org/bugs/download.php?file_id=16829>

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