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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
#ifndef SPROUT_MATH_REM_QUO_HPP
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#define SPROUT_MATH_REM_QUO_HPP
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#include <cstdint>
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#include <type_traits>
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#include <stdexcept>
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#include <sprout/config.hpp>
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#include <sprout/math/detail/config.hpp>
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#include <sprout/math/quotient.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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#include <sprout/type_traits/float_promote.hpp>
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#include <sprout/utility/pair/pair.hpp>
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namespace sprout {
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namespace math {
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namespace detail {
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template<typename R, typename T>
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inline SPROUT_CONSTEXPR sprout::pair<T, R>
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rem_quo_impl(T x, T y, R quo) {
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return sprout::pair<T, T>(x - quo * y, quo);
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}
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template<
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typename R = int,
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typename FloatType,
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typename sprout::enabler_if<std::is_floating_point<FloatType>::value && std::is_integral<R>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::pair<FloatType, R>
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rem_quo(FloatType x, FloatType y) {
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return sprout::math::detail::rem_quo_impl(x, y, sprout::math::quotient(x, y));
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}
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template<
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typename R = int,
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typename ArithmeticType1,
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typename ArithmeticType2,
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typename sprout::enabler_if<
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std::is_arithmetic<ArithmeticType1>::value && std::is_arithmetic<ArithmeticType2>::value && std::is_integral<R>::value
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>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR sprout::pair<
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typename sprout::float_promote<ArithmeticType1, ArithmeticType2>::type,
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R
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>
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rem_quo(ArithmeticType1 x, ArithmeticType2 y) {
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typedef typename sprout::float_promote<ArithmeticType1, ArithmeticType2>::type type;
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return sprout::math::detail::rem_quo(static_cast<type>(x), static_cast<type>(y));
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}
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} // namespace detail
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using sprout::math::detail::rem_quo;
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} // namespace math
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using sprout::math::rem_quo;
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} // namespace sprout
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#endif // #ifndef SPROUT_MATH_REM_QUO_HPP
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