[Bug fortran/51569] documentation on sign intrinsic

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51569

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-29 
06:02:53 UTC ---
-0.0 does not exist in Fortran except when using the IEEE module IIRC.