[Bug-gsl] [bug #30933] gsl_sf_beta_inc underflow error

[Brian Gough]

URL:
  <http://savannah.gnu.org/bugs/?30933>

                 Summary: gsl_sf_beta_inc underflow error
                 Project: GNU Scientific Library
            Submitted by: bjg
            Submitted on: Tue 31 Aug 2010 07:03:54 PM BST
                Category: Runtime error
                Severity: 3 - Normal
        Operating System: 
                  Status: Confirmed
             Assigned to: None
             Open/Closed: Open
                 Release: 1.14
         Discussion Lock: Any

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Details:

From: Thomas Tanner <address@hidden>
To: address@hidden
Subject: [Bug-gsl] gsl_sf_beta_inc underflow error
Date: Sat, 28 Aug 2010 17:41:53 +0200

Hello,

calling gsl_sf_beta_inc(0.5,101.5,0.999457);

with GSL version 1.14 results in

gsl: exp.c:545: ERROR: underflow
Default GSL error handler invoked.
Abort trap

Other libraries (e.g., cephes) correctly return 1.0 as result.

cheers,                                                                      
                                                                              
                                                     
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Thomas Tanner ------                                                         
                                                                              
                                                     
email: address@hidden                                                         
                                                                              
                                                     
GnuPG: 1024/5924D4DD                                                         
                                                                              
                                                     
                        




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