mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-23 21:25:49 +00:00
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
#ifndef SPROUT_MATH_REM_QUO_HPP
|
|
#define SPROUT_MATH_REM_QUO_HPP
|
|
|
|
#include <limits>
|
|
#include <type_traits>
|
|
#include <stdexcept>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/math/detail/config.hpp>
|
|
#include <sprout/math/quotient.hpp>
|
|
#include <sprout/type_traits/enabler_if.hpp>
|
|
#include <sprout/type_traits/float_promote.hpp>
|
|
#include <sprout/utility/pair/pair.hpp>
|
|
|
|
namespace sprout {
|
|
namespace math {
|
|
namespace detail {
|
|
template<typename R, typename T>
|
|
inline SPROUT_CONSTEXPR sprout::pair<T, R>
|
|
rem_quo_impl(T x, T y, R quo) {
|
|
typedef sprout::pair<T, R> type;
|
|
return x == std::numeric_limits<T>::infinity() || x == -std::numeric_limits<T>::infinity() || y == 0
|
|
? type(std::numeric_limits<T>::quiet_NaN(), quo)
|
|
: x == 0 ? type(T(0), quo)
|
|
: y == std::numeric_limits<T>::infinity() || y == -std::numeric_limits<T>::infinity() ? type(x, quo)
|
|
: type(x - quo * y, quo)
|
|
;
|
|
}
|
|
template<
|
|
typename R = int,
|
|
typename FloatType,
|
|
typename sprout::enabler_if<std::is_floating_point<FloatType>::value && std::is_integral<R>::value>::type = sprout::enabler
|
|
>
|
|
inline SPROUT_CONSTEXPR sprout::pair<FloatType, R>
|
|
rem_quo(FloatType x, FloatType y) {
|
|
return sprout::math::detail::rem_quo_impl(x, y, sprout::math::quotient(x, y));
|
|
}
|
|
|
|
template<
|
|
typename R = int,
|
|
typename ArithmeticType1,
|
|
typename ArithmeticType2,
|
|
typename sprout::enabler_if<
|
|
std::is_arithmetic<ArithmeticType1>::value && std::is_arithmetic<ArithmeticType2>::value && std::is_integral<R>::value
|
|
>::type = sprout::enabler
|
|
>
|
|
inline SPROUT_CONSTEXPR sprout::pair<
|
|
typename sprout::float_promote<ArithmeticType1, ArithmeticType2>::type,
|
|
R
|
|
>
|
|
rem_quo(ArithmeticType1 x, ArithmeticType2 y) {
|
|
typedef typename sprout::float_promote<ArithmeticType1, ArithmeticType2>::type type;
|
|
return sprout::math::detail::rem_quo(static_cast<type>(x), static_cast<type>(y));
|
|
}
|
|
} // namespace detail
|
|
|
|
using sprout::math::detail::rem_quo;
|
|
} // namespace math
|
|
|
|
using sprout::math::rem_quo;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_MATH_REM_QUO_HPP
|