[Bug libfortran/35862] [F2003] Implement new rounding modes for run time

[burnus at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35862

--- Comment #25 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Rounding on input. Patch, which sets the CPU rounding mode and relies on strtof
to honour it: http://gcc.gnu.org/ml/fortran/2013-07/msg00042.html