[Patch, Fortran] PR52413 - Incorrect behavior of FRACTION when applied to a constant

[Tobias Burnus]

Dominique Dhumieres wrote:
> This patch packages the Steven G. Kargl's patch when MPFR 3.1.0 or newer
> is available and fixes the original code for older versions using the
> FX Coudert's machinery (see PR for details).
>
> Tested on powerpc-apple-darwin9 and x86_64-apple-darwin10 without
> regression.
>
> OK for the trunk? If yes, could someone commit it for me?

OK. Thanks for the patches Steve and FX - and to Dominique for combining 
the two and creating the test case.

I have committed it as Rev. 200361.

> 2013-06-23  Steven G. Kargl  <sgk@troutmask.apl.washington.edu>
> 	    Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
> 	    Dominique d'Humieres  <dominiq@lps.ens.fr>
>
> 	PR fortran/52413
> 	* simplify.c: Fix the sign of negative values in gfc_simplify_fraction.

The syntax is to place the function name in parentheses, i.e.

	* simplify.c (gfc_simplify_fraction): Fix the sign of negative values.


Tobias