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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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16
sprout/math/sinh.hpp
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@ -5,11 +5,10 @@
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/detail/pow.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/detail/float_compute.hpp>
#include <sprout/math/isnan.hpp>
#include <sprout/math/factorial.hpp>
#include <sprout/math/exp.hpp>
#include <sprout/type_traits/enabler_if.hpp>
namespace sprout {
@ -17,20 +16,13 @@ namespace sprout {
namespace detail {
template<typename T>
inline SPROUT_CONSTEXPR T
sinh_impl_1(T x, std::size_t n, std::size_t last) {
return last - n == 1
? sprout::detail::pow_n(x, 2 * n + 1) / sprout::math::unchecked_factorial<T>(2 * n + 1)
: sprout::math::detail::sinh_impl_1(x, n, n + (last - n) / 2)
+ sprout::math::detail::sinh_impl_1(x, n + (last - n) / 2, last)
;
sinh_impl_1(T t) {
return T(0.5) * t - T(0.5) / t;
}
template<typename T>
inline SPROUT_CONSTEXPR T
sinh_impl(T x) {
return x + sprout::math::detail::sinh_impl_1(
x,
1, (sprout::math::factorial_limit<T>() - 1) / 2 + 1
);
return sprout::math::detail::sinh_impl_1(sprout::math::exp(x));
}
template<