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

From: Jostein Austvik Jacobsen
Subject: Re: [Help-gsl] Problem with precision in gsl_poly_complex_solve
Date: Wed, 24 Dec 2008 17:02:12 +0100

Ok, it's not really a problem for my application. It's just nice to know
that the numbers are as precise as they can be.


2008/12/24 Brian Gough <address@hidden>

> 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)
> Support freedom by joining the FSF!

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