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Re: [Bug-gsl] bug in gsl_blas_dsyrk for versions 1.4 and 1.6

From: Brian Gough
Subject: Re: [Bug-gsl] bug in gsl_blas_dsyrk for versions 1.4 and 1.6
Date: Wed, 11 Apr 2007 12:19:58 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/21.3 Mule/5.0 (SAKAKI)

At Tue, 10 Apr 2007 16:11:14 -0400,
Igor Nazarov wrote:
> I have encountered a bug in gsl_blas_dsyrk() in GSL versions 1.4 and 
> 1.6 ( I tried it on different computers). Please find a test program 
> below for calculating x*x' for a simple 3*2 matrix x.
> I would like to know whether this is fixed in newer releases (in 
> version 1.9?).

Thanks for the bug report, the problem was fixed in version 1.8.

In previous versions, use the cblas_dsyrk function directly if you
need a workaround, only the gsl_blas_dsyrk wrapper function call was

best regards,

Brian Gough
(GSL Maintainer)

Network Theory Ltd,
Publishing the GSL Manual - http://www.network-theory.co.uk/gsl/manual/

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