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Re: [Help-gsl] Problem with precision in gsl_poly_complex_solve

From: Brian Gough
Subject: Re: [Help-gsl] Problem with precision in gsl_poly_complex_solve
Date: Wed, 24 Dec 2008 08:21:35 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI)

At Mon, 22 Dec 2008 18:44:11 +0100,
Jostein Austvik Jacobsen wrote:
> I'm using g++ (Ubuntu 4.3.2-1ubuntu11) 4.3.2, libgsl0 v.1.9-3, libgsl0-dev
> v.1.11-2 and 32-bits Ubuntu with kernel 2.6.24-19-generic.
> What is my problem?

I don't think it's anything to worry about -- some variation in the
last few digits is normal, due to differences in the compiler options,
optimisation level, etc.  For example, code compiled with SSE
instructions has slightly less precision as it doesn't have extended
precision registers available.

Brian Gough
(GSL Maintainer)

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