[Bug libstdc++/50724] cmath's floating-point classification implementations inconsistent with math.h

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50724

--- Comment #20 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-17 15:40:52 UTC ---
No way the library is going to do anything else but forward to the builtins
here.