mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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234 lines
8 KiB
C++
234 lines
8 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_VALARRAY_POWER_HPP
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#define SPROUT_VALARRAY_POWER_HPP
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#include <utility>
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#include <sprout/config.hpp>
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#include <sprout/workaround/std/cstddef.hpp>
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#include <sprout/valarray/valarray.hpp>
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#include <sprout/algorithm/fixed/transform.hpp>
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#include <sprout/math/cbrt.hpp>
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#include <sprout/math/abs.hpp>
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#include <sprout/math/hypot.hpp>
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#include <sprout/math/pow.hpp>
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#include <sprout/math/sqrt.hpp>
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#include <sprout/math/log_a.hpp>
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#include <sprout/cstdlib/abs.hpp>
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#include <sprout/utility/forward.hpp>
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namespace sprout_math_detail {
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using sprout::math::cbrt;
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using sprout::math::abs;
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using sprout::math::hypot;
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using sprout::math::pow;
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using sprout::math::sqrt;
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using sprout::math::log_a;
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using sprout::abs;
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template<typename T>
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inline SPROUT_CONSTEXPR decltype(cbrt(std::declval<T>()))
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call_cbrt(T&& x)
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SPROUT_NOEXCEPT_IF_EXPR(cbrt(std::declval<T>()))
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{
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return cbrt(SPROUT_FORWARD(T, x));
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}
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template<typename T>
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inline SPROUT_CONSTEXPR decltype(abs(std::declval<T>()))
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call_abs(T&& x)
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SPROUT_NOEXCEPT_IF_EXPR(abs(std::declval<T>()))
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{
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return abs(SPROUT_FORWARD(T, x));
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}
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template<typename T, typename U>
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inline SPROUT_CONSTEXPR decltype(hypot(std::declval<T>(), std::declval<U>()))
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call_hypot(T&& x, U&& y)
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SPROUT_NOEXCEPT_IF_EXPR(hypot(std::declval<T>(), std::declval<U>()))
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{
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return hypot(SPROUT_FORWARD(T, x), SPROUT_FORWARD(U, y));
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}
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template<typename T, typename U>
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inline SPROUT_CONSTEXPR decltype(pow(std::declval<T>(), std::declval<U>()))
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call_pow(T&& x, U&& y)
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SPROUT_NOEXCEPT_IF_EXPR(pow(std::declval<T>(), std::declval<U>()))
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{
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return pow(SPROUT_FORWARD(T, x), SPROUT_FORWARD(U, y));
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}
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template<typename T>
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inline SPROUT_CONSTEXPR decltype(sqrt(std::declval<T>()))
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call_sqrt(T&& x)
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SPROUT_NOEXCEPT_IF_EXPR(sqrt(std::declval<T>()))
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{
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return sqrt(SPROUT_FORWARD(T, x));
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}
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template<typename T, typename U>
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inline SPROUT_CONSTEXPR decltype(log_a(std::declval<T>(), std::declval<U>()))
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call_log_a(T&& x, U&& y)
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SPROUT_NOEXCEPT_IF_EXPR(log_a(std::declval<T>(), std::declval<U>()))
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{
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return log_a(SPROUT_FORWARD(T, x), SPROUT_FORWARD(U, y));
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}
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} // namespace sprout
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namespace sprout {
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namespace detail {
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struct cbrt_f
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: public sprout::transparent<>
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{
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public:
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template<typename T>
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SPROUT_CONSTEXPR decltype(sprout_math_detail::call_cbrt(std::declval<T>()))
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operator()(T&& x)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_cbrt(std::declval<T>()))
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{
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return sprout_math_detail::call_cbrt(SPROUT_FORWARD(T, x));
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}
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};
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struct abs_f
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: public sprout::transparent<>
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{
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public:
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template<typename T>
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SPROUT_CONSTEXPR decltype(sprout_math_detail::call_abs(std::declval<T>()))
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operator()(T&& x)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_abs(std::declval<T>()))
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{
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return sprout_math_detail::call_abs(SPROUT_FORWARD(T, x));
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}
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};
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struct hypot_f
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: public sprout::transparent<>
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{
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public:
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template<typename T, typename U>
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SPROUT_CONSTEXPR decltype(sprout_math_detail::call_hypot(std::declval<T>(), std::declval<U>()))
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operator()(T&& x, U&& y)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_hypot(std::declval<T>(), std::declval<U>()))
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{
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return sprout_math_detail::call_hypot(SPROUT_FORWARD(T, x), SPROUT_FORWARD(U, y));
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}
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};
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struct pow_f
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: public sprout::transparent<>
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{
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public:
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template<typename T, typename U>
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SPROUT_CONSTEXPR decltype(sprout_math_detail::call_pow(std::declval<T>(), std::declval<U>()))
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operator()(T&& x, U&& y)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_pow(std::declval<T>(), std::declval<U>()))
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{
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return sprout_math_detail::call_pow(SPROUT_FORWARD(T, x), SPROUT_FORWARD(U, y));
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}
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};
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struct sqrt_f
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: public sprout::transparent<>
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{
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public:
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template<typename T>
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SPROUT_CONSTEXPR decltype(sprout_math_detail::call_sqrt(std::declval<T>()))
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operator()(T&& x)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_sqrt(std::declval<T>()))
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{
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return sprout_math_detail::call_sqrt(SPROUT_FORWARD(T, x));
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}
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};
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struct log_a_f
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: public sprout::transparent<>
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{
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public:
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template<typename T, typename U>
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SPROUT_CONSTEXPR decltype(sprout_math_detail::call_log_a(std::declval<T>(), std::declval<U>()))
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operator()(T&& x, U&& y)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_log_a(std::declval<T>(), std::declval<U>()))
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{
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return sprout_math_detail::call_log_a(SPROUT_FORWARD(T, x), SPROUT_FORWARD(U, y));
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}
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};
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} // namespace detail
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//
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// cbrt
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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cbrt(sprout::valarray<T, N> const& x) {
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return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::cbrt_f());
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}
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//
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// abs
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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abs(sprout::valarray<T, N> const& x) {
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return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::abs_f());
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}
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//
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// hypot
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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hypot(sprout::valarray<T, N> const& x, sprout::valarray<T, N> const& y) {
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return sprout::fixed::transform(x.begin(), x.end(), y.end(), x, sprout::detail::hypot_f());
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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hypot(sprout::valarray<T, N> const& x, T const& y) {
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return sprout::fixed::transform(x.begin(), x.end(), x, sprout::bind2nd(sprout::detail::hypot_f(), y));
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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hypot(T const& x, sprout::valarray<T, N> const& y) {
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return sprout::fixed::transform(y.begin(), y.end(), y, sprout::bind1st(sprout::detail::hypot_f(), x));
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}
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//
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// pow
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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pow(sprout::valarray<T, N> const& x, sprout::valarray<T, N> const& y) {
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return sprout::fixed::transform(x.begin(), x.end(), y.end(), x, sprout::detail::pow_f());
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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pow(sprout::valarray<T, N> const& x, T const& y) {
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return sprout::fixed::transform(x.begin(), x.end(), x, sprout::bind2nd(sprout::detail::pow_f(), y));
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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pow(T const& x, sprout::valarray<T, N> const& y) {
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return sprout::fixed::transform(y.begin(), y.end(), y, sprout::bind1st(sprout::detail::pow_f(), x));
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}
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//
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// sqrt
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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sqrt(sprout::valarray<T, N> const& x) {
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return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::sqrt_f());
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}
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//
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// log_a
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//
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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log_a(sprout::valarray<T, N> const& x, sprout::valarray<T, N> const& y) {
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return sprout::fixed::transform(x.begin(), x.end(), y.end(), x, sprout::detail::log_a_f());
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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log_a(sprout::valarray<T, N> const& x, T const& y) {
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return sprout::fixed::transform(x.begin(), x.end(), x, sprout::bind2nd(sprout::detail::log_a_f(), y));
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}
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template<typename T, std::size_t N>
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inline SPROUT_CONSTEXPR sprout::valarray<T, N>
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log_a(T const& x, sprout::valarray<T, N> const& y) {
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return sprout::fixed::transform(y.begin(), y.end(), y, sprout::bind1st(sprout::detail::log_a_f(), x));
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_VALARRAY_POWER_HPP
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