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Re: [Bug-gsl] [Help-gsl] test release for gsl 1.16

From: Rhys Ulerich
Subject: Re: [Bug-gsl] [Help-gsl] test release for gsl 1.16
Date: Wed, 5 Jun 2013 05:48:39 -0500

Hi Patrick,

Thank you for investigating.

> To turn off the unsafe intel optimizations, use:
> make CFLAGS="-fp-model precise -g -O2"
> These flags pass all tests for me with icc 13.0.1. Could you check this with
> your 12.1 and 13.1?

With this CFLAGS setting, my 12.1 and 13.1 builds pass make check.

> If it works I think we can close this bug.

Should we add autoconf foo to prevent Intel from shooting the user in the foot?

> I suppose its
> another (rather complicated) question whether we want to get GSL to pass all
> the tests with gcc -ffast-math.

Agreed.  Think that's worth a ticket?  In my work I tend to gather
fast-math safe logic into one convenience library, no-fast-math into
another convenience library, and then create the installed .so from
those two outputs.  This permits using -fsomething-sane only where

- Rhys

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