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Re: [Bug-gsl] GSL: NaN results in SVD calculation (gsl_linalg_SV_decomp)

From: Brian Gough
Subject: Re: [Bug-gsl] GSL: NaN results in SVD calculation (gsl_linalg_SV_decomp)
Date: Wed, 24 Feb 2010 17:48:31 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.1 Mule/5.0 (SAKAKI)

At Tue, 26 Jan 2010 11:01:13 +0100,
Bruno Daniel wrote:
> --------------------------------------------------------------
> GSL version number: 1.9
> hardware and operating system, OS details:
>   Linux phit1 #1 SMP 2009-08-14 01:48:11 +0200 x86_64
>   x86_64 x86_64 GNU/Linux
> gcc version:
>   gcc version 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision 135036]
>   (SUSE Linux)
> genre: linalg, SVD, gsl_linalg_SV_decomp
> description of the bug behavior: NaN results in gsl_linalg_SV_decomp
> short program which exercises the bug: attached

I have now committed a fix for this bug.


The test case found several previously unseen problems that could
cause NaNs -- thanks for the bug report.

Brian Gough

GNU Scientific Library -

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