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fix math functions

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This commit is contained in:
bolero-MURAKAMI 2013-05-05 00:06:30 +09:00
parent ffb876c930
commit fccb16687b
20 changed files with 209 additions and 68 deletions
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28
sprout/math/cos.hpp
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@ -8,8 +8,11 @@
#include <sprout/detail/pow.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/detail/float_compute.hpp>
//#include <sprout/math/detail/cosp.hpp>
//#include <sprout/math/detail/sinp.hpp>
#include <sprout/math/constants.hpp>
#include <sprout/math/isnan.hpp>
#include <sprout/math/fabs.hpp>
#include <sprout/math/factorial.hpp>
#include <sprout/math/fmod.hpp>
#include <sprout/type_traits/enabler_if.hpp>
@ -35,6 +38,31 @@ namespace sprout {
);
}
// template<typename T>
// inline SPROUT_CONSTEXPR T
// cos_impl_2(T x) {
// return x <= sprout::math::quarter_pi<T>() ? -sprout::math::detail::cosp(x)
// : x <= sprout::math::half_pi<T>() ? -sprout::math::detail::sinp(sprout::math::half_pi<T>() - x)
// : x <= sprout::math::three_quarters_pi<T>() ? sprout::math::detail::sinp(x - sprout::math::half_pi<T>())
// : sprout::math::detail::cosp(sprout::math::pi<T>() - x)
// ;
// }
// template<typename T>
// inline SPROUT_CONSTEXPR T
// cos_impl_1(T x) {
// return x > sprout::math::pi<T>() ? sprout::math::detail::cos_impl_2(x - sprout::math::pi<T>())
// : x <= sprout::math::quarter_pi<T>() ? sprout::math::detail::cosp(x)
// : x <= sprout::math::half_pi<T>() ? sprout::math::detail::sinp(sprout::math::half_pi<T>() - x)
// : x <= sprout::math::three_quarters_pi<T>() ? -sprout::math::detail::sinp(x - sprout::math::half_pi<T>())
// : -sprout::math::detail::cosp(sprout::math::pi<T>() - x)
// ;
// }
// template<typename T>
// inline SPROUT_CONSTEXPR T
// cos_impl(T x) {
// return sprout::math::detail::cos_impl_1(sprout::math::fmod(sprout::math::fabs(x), sprout::math::two_pi<T>()));
// }
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler