bugGNU Scientific Library - Bugs: bug #24489, gsl_isinf returns +1 for -inf

 
 

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bug #24489: gsl_isinf returns +1 for -inf

Submitted by:  Brian Gough <bjg>
Submitted on:  Wed 08 Oct 2008 06:35:51 PM UTC  
 
Category: Runtime errorSeverity: 3 - Normal
Operating System: Status: Fixed
Assigned to: NoneOpen/Closed: Closed
Release: 1.11

Thu 09 Oct 2008 08:08:39 PM UTC, comment #1:

fixed by cca2d29e1dfef31da8c247c664c0ef6d601c8fe9

Brian Gough <bjg>
Project Administrator
Wed 08 Oct 2008 06:35:51 PM UTC, original submission:

[ if system isinf returns +1 for -inf we should override it, we used to do this]

From: Jerome BENOIT <jgmbenoit@mailsnare.net>
To: Help GSL <Help-gsl@gnu.org>
Cc:
Subject: [Help-gsl] gsl_isinf
Date: Wed, 08 Oct 2008 17:51:39 +0800

Hello List,

I have just noticed a weird behaviour for gsl_isinf (GSL 1.11):

gsl_isinf(GSL_NEGINF) give -1 (as expected) on some of my computers,
whereas it gives +1 on others: my computer are amd64 Debian boxes (Etch based and Lenny):
Amazingly, it seems that this feature is not well tested.

hth,
Jerome

--
Jerome BENOIT
jgmbenoit_at_mailsnare_dot_net

Brian Gough <bjg>
Project Administrator

 

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    Follow 2 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu 09 Oct 2008 08:08:39 PM UTCbjgStatusConfirmed=>Fixed
      Open/ClosedOpen=>Closed

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