[Bug c++/49813] [C++0x] sinh vs asinh vs constexpr

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49813

--- Comment #36 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-07-25 
11:43:02 UTC ---
Or, more correctly:

  constexpr float na = __builtin_nextafterf(0.0f, 0.0f);