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Sprout/sprout/valarray/exponential.hpp
bolero-MURAKAMI 0918194078 add sprout::iterator, and update copyright
2017-07-29 14:20:01 +09:00

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/*=============================================================================
Copyright (c) 2011-2017 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_VALARRAY_EXPONENTIAL_HPP
#define SPROUT_VALARRAY_EXPONENTIAL_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/valarray/valarray.hpp>
#include <sprout/algorithm/fixed/transform.hpp>
#include <sprout/math/exp.hpp>
#include <sprout/math/exp10.hpp>
#include <sprout/math/exp2.hpp>
#include <sprout/math/expm1.hpp>
#include <sprout/math/log.hpp>
#include <sprout/math/log10.hpp>
#include <sprout/math/log1p.hpp>
#include <sprout/math/log2.hpp>
#include <sprout/utility/forward.hpp>
namespace sprout_math_detail {
using sprout::math::exp;
using sprout::math::exp10;
using sprout::math::exp2;
using sprout::math::expm1;
using sprout::math::log;
using sprout::math::log10;
using sprout::math::log1p;
using sprout::math::log2;
template<typename T>
inline SPROUT_CONSTEXPR decltype(exp(std::declval<T>()))
call_exp(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(exp(std::declval<T>()))
{
return exp(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(exp10(std::declval<T>()))
call_exp10(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(exp10(std::declval<T>()))
{
return exp10(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(exp2(std::declval<T>()))
call_exp2(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(exp2(std::declval<T>()))
{
return exp2(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(expm1(std::declval<T>()))
call_expm1(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(expm1(std::declval<T>()))
{
return expm1(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(log(std::declval<T>()))
call_log(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(log(std::declval<T>()))
{
return log(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(log10(std::declval<T>()))
call_log10(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(log10(std::declval<T>()))
{
return log10(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(log1p(std::declval<T>()))
call_log1p(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(log1p(std::declval<T>()))
{
return log1p(SPROUT_FORWARD(T, x));
}
template<typename T>
inline SPROUT_CONSTEXPR decltype(log2(std::declval<T>()))
call_log2(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(log2(std::declval<T>()))
{
return log2(SPROUT_FORWARD(T, x));
}
} // namespace sprout
namespace sprout {
namespace detail {
struct exp_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_exp(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_exp(std::declval<T>()))
{
return sprout_math_detail::call_exp(SPROUT_FORWARD(T, x));
}
};
struct exp10_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_exp10(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_exp10(std::declval<T>()))
{
return sprout_math_detail::call_exp10(SPROUT_FORWARD(T, x));
}
};
struct exp2_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_exp2(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_exp2(std::declval<T>()))
{
return sprout_math_detail::call_exp2(SPROUT_FORWARD(T, x));
}
};
struct expm1_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_expm1(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_expm1(std::declval<T>()))
{
return sprout_math_detail::call_expm1(SPROUT_FORWARD(T, x));
}
};
struct log_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_log(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_log(std::declval<T>()))
{
return sprout_math_detail::call_log(SPROUT_FORWARD(T, x));
}
};
struct log10_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_log10(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_log10(std::declval<T>()))
{
return sprout_math_detail::call_log10(SPROUT_FORWARD(T, x));
}
};
struct log1p_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_log1p(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_log1p(std::declval<T>()))
{
return sprout_math_detail::call_log1p(SPROUT_FORWARD(T, x));
}
};
struct log2_f
: public sprout::transparent<>
{
public:
template<typename T>
SPROUT_CONSTEXPR decltype(sprout_math_detail::call_log2(std::declval<T>()))
operator()(T&& x)
SPROUT_NOEXCEPT_IF_EXPR(sprout_math_detail::call_log2(std::declval<T>()))
{
return sprout_math_detail::call_log2(SPROUT_FORWARD(T, x));
}
};
} // namespace detail
//
// exp
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
exp(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::exp_f());
}
//
// exp10
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
exp10(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::exp10_f());
}
//
// exp2
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
exp2(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::exp2_f());
}
//
// expm1
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
expm1(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::expm1_f());
}
//
// log
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
log(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::log_f());
}
//
// log10
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
log10(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::log10_f());
}
//
// log1p
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
log1p(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::log1p_f());
}
//
// log2
//
template<typename T, std::size_t N>
inline SPROUT_CONSTEXPR sprout::valarray<T, N>
log2(sprout::valarray<T, N> const& x) {
return sprout::fixed::transform(x.begin(), x.end(), x, sprout::detail::log2_f());
}
} // namespace sprout
#endif // #ifndef SPROUT_VALARRAY_EXPONENTIAL_HPP
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