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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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4
sprout/math/frac_int.hpp
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@ -1,9 +1,9 @@
#ifndef SPROUT_MATH_FRAC_INT_HPP
#define SPROUT_MATH_FRAC_INT_HPP
#include <limits>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/limits.hpp>
#include <sprout/math/detail/config.hpp>
#include <sprout/math/copysign.hpp>
#include <sprout/math/isnan.hpp>
@ -19,7 +19,7 @@ namespace sprout {
frac_int_impl(T x, T ipart) {
typedef sprout::pair<T, T> type;
return sprout::math::isnan(x) ? type(x, ipart)
: x == std::numeric_limits<T>::infinity() || x == -std::numeric_limits<T>::infinity() ? type(sprout::math::copysign(T(0), x), ipart)
: x == sprout::numeric_limits<T>::infinity() || x == -sprout::numeric_limits<T>::infinity() ? type(sprout::math::copysign(T(0), x), ipart)
: x == 0 ? type(x, ipart)
: x == ipart ? type(T(0) * x, ipart)
: type(sprout::math::copysign(x - ipart, x), ipart)