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From: Peter Brown <pnbrown AT llnl DOT gov>
Subject: Re: 1.7.8: Fortran I/O rounding inaccuracy
Date: Mon, 7 Mar 2011 17:15:03 +0000 (UTC)
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Roger K. Wells <ROGER.K.WELLS <at> saic.com> writes:

> 
> On 03/07/2011 10:44 AM, Roger K. Wells wrote:
> > On 03/07/2011 04:39 AM, Thomas Henlich wrote:
> >> Hi,
> >>
> >> I found the following bug in cygwin 1.7.8 on Windows XP:
> >>
> >> Fortran I/O rounding truncates the result after a certain number of
> >> digits. The following program:
> >> ===
> >> write(*, '(f35.32)') 0.14285714285714285d0
> >> end
> >> ===
> >> gives this output:
> >>   0.14285714285714284921269000000000
> >> The expected output is:
> >>   0.14285714285714284921269268124888
> >>

I don't think this has anything to do with cygin. On our linux system I get

With Intel ifort:
 0.14285714285714284921269268124888

With gfortran 4.1.2s544
 0.14285714285714284921269270000000



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