[Bug libstdc++/45866] [C++0x] std::ratio_add, ratio_sub, ratio_multiply, ratio_divide do not have num and den members.

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45866

--- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-10-18 
16:35:45 UTC ---
I don't see c++/45114 resolved very soon, thus, for 4.6.0, let's provide anyway
those constants, seems simple.