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fix math functions

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This commit is contained in:
bolero-MURAKAMI 2013-02-14 18:02:43 +09:00
parent 5d809ef5c9
commit fa1d769bdf
76 changed files with 582 additions and 169 deletions
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7
sprout/math/fmod.hpp
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@ -1,7 +1,7 @@
#ifndef SPROUT_MATH_FMOD_HPP
#define SPROUT_MATH_FMOD_HPP
#include <cstdint>
#include <limits>
#include <type_traits>
#include <stdexcept>
#include <sprout/config.hpp>
@ -18,7 +18,10 @@ namespace sprout {
>
inline SPROUT_CONSTEXPR FloatType
fmod(FloatType x, FloatType y) {
return y == 0 ? throw std::domain_error("fmod: divide by zero.")
return x == std::numeric_limits<FloatType>::infinity() || x == -std::numeric_limits<FloatType>::infinity() || y == 0
? std::numeric_limits<FloatType>::quiet_NaN()
: x == 0 ? FloatType(0)
: y == std::numeric_limits<FloatType>::infinity() || y == -std::numeric_limits<FloatType>::infinity() ? x
: x - sprout::math::trunc(x / y) * y
;
}