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fix math functions

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This commit is contained in:
bolero-MURAKAMI 2013-02-14 18:02:43 +09:00
parent 5d809ef5c9
commit fa1d769bdf
76 changed files with 582 additions and 169 deletions
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11
sprout/math/logb.hpp
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@ -90,12 +90,11 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
logb(FloatType x) {
return x < 0 ? sprout::math::detail::logb_impl(
-x, sprout::math::trunc(sprout::math::log_a(FloatType(std::numeric_limits<FloatType>::radix), -x))
)
: sprout::math::detail::logb_impl(
x, sprout::math::trunc(sprout::math::log_a(FloatType(std::numeric_limits<FloatType>::radix), x))
)
return x == 0 ? -std::numeric_limits<FloatType>::infinity()
: x == std::numeric_limits<FloatType>::infinity() || x == -std::numeric_limits<FloatType>::infinity()
? std::numeric_limits<FloatType>::infinity()
: x < 0 ? sprout::math::detail::logb_impl(-x, sprout::math::trunc(sprout::math::log_a(FloatType(std::numeric_limits<FloatType>::radix), -x)))
: sprout::math::detail::logb_impl(x, sprout::math::trunc(sprout::math::log_a(FloatType(std::numeric_limits<FloatType>::radix), x)))
;
}