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Diffstat (limited to '3rdParty/Boost/src/boost/ratio/ratio.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/ratio/ratio.hpp | 66 |
1 files changed, 63 insertions, 3 deletions
diff --git a/3rdParty/Boost/src/boost/ratio/ratio.hpp b/3rdParty/Boost/src/boost/ratio/ratio.hpp index 546e8f0..824cbf0 100644 --- a/3rdParty/Boost/src/boost/ratio/ratio.hpp +++ b/3rdParty/Boost/src/boost/ratio/ratio.hpp @@ -39,13 +39,13 @@ time2_demo contained this comment: #include <boost/ratio/detail/mpl/lcm.hpp> #include <cstdlib> #include <climits> #include <limits> #include <boost/cstdint.hpp> #include <boost/type_traits/integral_constant.hpp> -#include <boost/utility/enable_if.hpp> +#include <boost/core/enable_if.hpp> #include <boost/integer_traits.hpp> #include <boost/ratio/ratio_fwd.hpp> #include <boost/ratio/detail/overflow_helpers.hpp> #ifdef BOOST_RATIO_EXTENSIONS #include <boost/rational.hpp> #include <boost/ratio/mpl/rational_c_tag.hpp> @@ -125,13 +125,13 @@ const boost::intmax_t ratio<N, D>::num; template <boost::intmax_t N, boost::intmax_t D> const boost::intmax_t ratio<N, D>::den; #endif //----------------------------------------------------------------------------// // // -// 20.6.2 Arithmetic on ratio types [ratio.arithmetic] // +// 20.6.2 Arithmetic on ratio types [ratio.arithmetic] // // // //----------------------------------------------------------------------------// template <class R1, class R2> struct ratio_add : boost::ratio_detail::ratio_add<R1, R2>::type @@ -155,13 +155,13 @@ struct ratio_divide : boost::ratio_detail::ratio_divide<R1, R2>::type { }; //----------------------------------------------------------------------------// // // -// 20.6.3 Comparasion of ratio types [ratio.comparison] // +// 20.6.3 Comparision of ratio types [ratio.comparison] // // // //----------------------------------------------------------------------------// // ratio_equal template <class R1, class R2> @@ -201,12 +201,18 @@ template <class R1, class R2> struct ratio_gcd : ratio<mpl::gcd_c<boost::intmax_t, R1::num, R2::num>::value, mpl::lcm_c<boost::intmax_t, R1::den, R2::den>::value>::type { }; + //----------------------------------------------------------------------------// + // // + // More arithmetic on ratio types [ratio.arithmetic] // + // // + //----------------------------------------------------------------------------// + #ifdef BOOST_RATIO_EXTENSIONS template <class R> struct ratio_negate : ratio<-R::num, R::den>::type { }; @@ -217,17 +223,71 @@ struct ratio_abs }; template <class R> struct ratio_sign : mpl::sign_c<boost::intmax_t, R::num> { }; + +template <class R> +struct ratio_inverse + : ratio<R::den, R::num>::type +{ +}; + + template <class R1, class R2> struct ratio_lcm : ratio<mpl::lcm_c<boost::intmax_t, R1::num, R2::num>::value, mpl::gcd_c<boost::intmax_t, R1::den, R2::den>::value>::type { }; + +template <class R1, class R2> +struct ratio_modulo : + ratio<(R1::num * R2::den) % (R2::num * R1::den), R1::den * R2::den>::type +{ +}; + +namespace detail { + template <class R1, class R2, bool r1ltr2> + struct ratio_min : R1 {}; + template <class R1, class R2> + struct ratio_min<R1,R2,false> : R2 {}; + + template <class R1, class R2, bool r1ltr2> + struct ratio_max : R2 {}; + template <class R1, class R2> + struct ratio_max<R1,R2,false> : R1 {}; +} + +template <class R1, class R2> +struct ratio_min : detail::ratio_min<R1, R2, ratio_less<R1,R2>::value>::type +{ +}; + +template <class R1, class R2> +struct ratio_max : detail::ratio_max<R1, R2, ratio_less<R1,R2>::value>::type +{ +}; + +template<typename R, int p> +struct ratio_power : + ratio_multiply< + typename ratio_power<R, p%2>::type, + typename ratio_power<typename ratio_multiply<R, R>::type, p/2>::type + >::type +{}; + +template<typename R> +struct ratio_power<R, 0> : ratio<1>::type {}; + +template<typename R> +struct ratio_power<R, 1> : R {}; + +template<typename R> +struct ratio_power<R, -1> : ratio_divide<ratio<1>, R>::type {}; + #endif } // namespace boost #endif // BOOST_RATIO_RATIO_HPP |