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add math fmod

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fix math cos
This commit is contained in:
bolero-MURAKAMI 2012-12-02 17:06:37 +09:00
parent d57b6e2b18
commit 18b479e3ac
15 changed files with 123 additions and 89 deletions
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47
sprout/math/fmod.hpp Normal file
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#ifndef SPROUT_MATH_FMOD_HPP
#define SPROUT_MATH_FMOD_HPP
#include <cstdint>
#include <type_traits>
#include <stdexcept>
#include <sprout/config.hpp>
#include <sprout/math/isinf.hpp>
#include <sprout/math/trunc.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/type_traits/float_promote.hpp>
namespace sprout {
namespace math {
namespace detail {
template<
typename FloatType,
typename sprout::enabler_if<std::is_floating_point<FloatType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR FloatType
fmod(FloatType x, FloatType y) {
return y == 0 ? throw std::domain_error("fmod: divide by zero.")
: x - sprout::math::trunc(x / y) * y
;
}
template<
typename ArithmeticType1,
typename ArithmeticType2,
typename sprout::enabler_if<
std::is_arithmetic<ArithmeticType1>::value && std::is_arithmetic<ArithmeticType2>::value
>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR typename sprout::float_promote<ArithmeticType1, ArithmeticType2>::type
fmod(ArithmeticType1 x, ArithmeticType2 y) {
typedef typename sprout::float_promote<ArithmeticType1, ArithmeticType2>::type type;
return sprout::math::detail::fmod(static_cast<type>(x), static_cast<type>(y));
}
} // namespace detail
using sprout::math::detail::fmod;
} // namespace math
using sprout::math::fmod;
} // namespace sprout
#endif // #ifndef SPROUT_MATH_FMOD_HPP