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[bug-gsl] Re: gsl_sf_bessel_jl bug (2007-10-18)

From: Brian Gough <bjg@network-theory.co.uk>
Subject: Re: gsl_sf_bessel_jl bug
Date: Thu, 18 Oct 2007 20:37:45 +0100
To: Koichi Takahashi <ktakahashi@..........>
Cc: bug-gsl@gnu.org

At Wed, 17 Oct 2007 16:07:35 -0700,
Koichi Takahashi wrote:
>
> Hi Brian,
>
> I tried this on some different configurations,
> with gsl-1.8, 1.9, 1.10
> compiled with gcc-4.1.2, 4.1.3
> on x86 and x86_64.
>
> I constantly get the error on all x86_64 environments,
> and the correct result on all x86 machines.
>
> Now I'm inclined to think that this is caused by
> the difference between 387/SSE FP units.
>

Thanks for the additional information. I will look at it.

--
Brian Gough

Network Theory Ltd,
Publishing Free Software Manuals --- http://www.network-theory.co.uk/