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workaround for no c++11 numeric_limits

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This commit is contained in:
bolero-MURAKAMI 2013-08-07 00:15:09 +09:00
parent ce16e24637
commit 7a1974742a
110 changed files with 727 additions and 436 deletions
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8
sprout/math/float_significand.hpp
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@ -1,9 +1,9 @@
#ifndef SPROUT_MATH_FLOAT_SIGNIFICAND_HPP
#define SPROUT_MATH_FLOAT_SIGNIFICAND_HPP
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/limits.hpp>
#include <sprout/detail/pow.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/isnan.hpp>
@ -20,10 +20,10 @@ namespace sprout {
inline SPROUT_CONSTEXPR FloatType
float_significand(FloatType x) {
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()
: x == sprout::numeric_limits<FloatType>::infinity() ? sprout::numeric_limits<FloatType>::infinity()
: x == -sprout::numeric_limits<FloatType>::infinity() ? -sprout::numeric_limits<FloatType>::infinity()
: x == 0 ? x
: x / sprout::detail::pow_n(FloatType(std::numeric_limits<FloatType>::radix), sprout::float_exponent(x))
: x / sprout::detail::pow_n(FloatType(sprout::numeric_limits<FloatType>::radix), sprout::float_exponent(x))
;
}
template<