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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/logb2.hpp
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@ -10,7 +10,7 @@
# include <sprout/math/logb.hpp>
#else
# include <cstdint>
# include <limits>
# include <sprout/limits.hpp>
# include <sprout/detail/pow.hpp>
# include <sprout/math/detail/float_compute.hpp>
# include <sprout/math/isnan.hpp>
@ -123,9 +123,9 @@ namespace sprout {
inline SPROUT_CONSTEXPR FloatType
logb2(FloatType x) {
return sprout::math::isnan(x) ? x
: 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::numeric_limits<FloatType>::infinity()
: x == sprout::numeric_limits<FloatType>::infinity() || x == -sprout::numeric_limits<FloatType>::infinity()
? sprout::numeric_limits<FloatType>::infinity()
: static_cast<FloatType>(sprout::math::detail::logb2_impl(static_cast<typename sprout::math::detail::float_compute<FloatType>::type>(x)))
;
}