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Code Issues Releases Wiki Activity

fix math: rounding function,etc...

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This commit is contained in:
bolero-MURAKAMI 2013-02-10 11:54:54 +09:00
parent 53b99b25f8
commit 434aa8d3c5
22 changed files with 812 additions and 74 deletions
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12
sprout/math/logb.hpp
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@ -4,12 +4,12 @@
#include <cstdint>
#include <limits>
#include <type_traits>
#include <stdexcept>
#include <sprout/config.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/detail/pow.hpp>
#include <sprout/math/log_a.hpp>
#include <sprout/math/trunc.hpp>
#include <sprout/math/itrunc.hpp>
#include <sprout/type_traits/enabler_if.hpp>
namespace sprout {
@ -79,13 +79,9 @@ namespace sprout {
template<typename T>
inline SPROUT_CONSTEXPR T
logb_impl(T x, T exp) {
return std::numeric_limits<std::intmax_t>::max() < exp || std::numeric_limits<std::intmax_t>::min() > exp
? SPROUT_MATH_THROW_LARGE_FLOAT_ROUNDING(std::domain_error("trunc: large float rounding."), exp)
: sprout::math::detail::logb_impl_1(
x, sprout::detail::pow_n(T(std::numeric_limits<T>::radix), static_cast<std::intmax_t>(exp)),
static_cast<T>(static_cast<std::intmax_t>(exp))
)
;
return sprout::math::detail::logb_impl_1(
x, sprout::detail::pow_n(T(std::numeric_limits<T>::radix), sprout::math::itrunc<std::intmax_t>(exp)), exp
);
}
template<