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[Bug-gsl] Re: [Help-gsl] gsl_isinf
From: |
Brian Gough |
Subject: |
[Bug-gsl] Re: [Help-gsl] gsl_isinf |
Date: |
Thu, 09 Oct 2008 20:55:14 +0100 |
User-agent: |
Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI) |
At Thu, 09 Oct 2008 05:07:17 +0800,
Jerome BENOIT wrote:
> >> 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.
> >
> > Can you compare the result with the system isinf() function. Thanks.
>
> It appeared that gsl_isinf() and isinf() give the same results.
The problem was that we used the system isinf() function. I have
modified the code to always test the sign and put a note in the
documentation.
--
Brian Gough
GNU Scientific Library -
http://www.gnu.org/software/gsl/
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