2008-06-29  Chris Fairles  <chris.fairles@gmail.com>

        * libstdc++-v3/include/std/ratio: New.
        * libstdc++-v3/include/Makefile.am: Update.
        * libstdc++-v3/testsuite/20_util/ratio/cons/cons.cc: New.
        * libstdc++-v3/testsuite/20_util/ratio/cons/cons_overflow.cc: 
        Likewise.
        * libstdc++-v3/testsuite/20_util/ratio/operations/ops.cc: Likewise.
        * libstdc++-v3/testsuite/20_util/ratio/comparisons/1.cc: Likewise.
        * libstdc++-v3/include/Makefile.in: Regenerate.