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Mail Archives: cygwin/2014/02/12/14:11:29

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Date: Wed, 12 Feb 2014 20:10:56 +0100
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: g77 on cygwin64
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On 12/02/2014 18:35, LMH wrote:
>

>
>
>  > Coming back to your issue, it is really curious that gfortran compiles
>  > the code but behaves wrongly, I was expecting it rejects the code
>  > if not in line with latest standard.
>
> This happens on some of my code as well and is in many ways a far worse
> issue to deal with. Some of my code compiles and runs, but the floating
> point answers to many of the calculations are wrong. This makes the
> issue(s) very difficult to run down (and also makes me stick with gcc3
> like the posters colleagues).
>
> LMH
>

Could you share a test case ?
I found no difference in math behaviour on all the Fortran
codes in LAPACK and OCTAVE when we moved from G77 to GFORTRAN

I am really curious

Regards
Marco

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