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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_sig_exp.hpp
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@ -29,9 +29,9 @@ namespace sprout {
inline SPROUT_CONSTEXPR sprout::pair<FloatType, int>
float2_sig_exp(FloatType x) {
typedef sprout::pair<FloatType, int> type;
return x == std::numeric_limits<FloatType>::infinity() ? type(std::numeric_limits<FloatType>::infinity(), 0)
return sprout::math::isnan(x) ? type(x, 0)
: x == std::numeric_limits<FloatType>::infinity() ? type(std::numeric_limits<FloatType>::infinity(), 0)
: x == -std::numeric_limits<FloatType>::infinity() ? type(-std::numeric_limits<FloatType>::infinity(), 0)
: sprout::math::isnan(x) ? type(std::numeric_limits<FloatType>::quiet_NaN(), FP_ILOGBNAN)
: x == 0 ? type(x, 0)
: sprout::math::detail::float2_sig_exp_impl(x, sprout::math::ilogb2(x) + 1)
;