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fix math functions

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This commit is contained in:
bolero-MURAKAMI 2013-05-06 00:22:08 +09:00
parent fccb16687b
commit 7794e56192
27 changed files with 342 additions and 102 deletions
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4
sprout/math/float2_significand.hpp
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@ -19,9 +19,9 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
float2_significand(FloatType x) {
return x == std::numeric_limits<FloatType>::infinity() ? std::numeric_limits<FloatType>::infinity()
return sprout::math::isnan(x) ? x
: x == std::numeric_limits<FloatType>::infinity() ? std::numeric_limits<FloatType>::infinity()
: x == -std::numeric_limits<FloatType>::infinity() ? -std::numeric_limits<FloatType>::infinity()
: sprout::math::isnan(x) ? std::numeric_limits<FloatType>::quiet_NaN()
: x == 0 ? x
: x / sprout::detail::pow_n(FloatType(2), sprout::float2_exponent(x))
;