[v3] c++0x std::ratio implementation

[Chris Fairles]

On Sun, Jun 29, 2008 at 4:22 PM, Chris Fairles <chris.fairles@gmail.com> wrote:
> I'm assuming std::ratio has been accepted which could very well be
> wrong. If it has (or good chance it will be) then I've attached an
> implmentation based off of N2615 (
> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2008/n2615.html#ratio
> ). One notable issue is std::ratio_less. I've just left the naive
> impl. but I think I have a way that avoids overflow using the
> coefficients of the continued fraction representation. Still trying to
> nail down the algorithm. Any thoughts/suggestions/concerns welcome.
>
> Chris
>

Updated patch.
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