Sprout/sprout/complex/conj.hpp

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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_COMPLEX_CONJ_HPP
#define SPROUT_COMPLEX_CONJ_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/complex/complex.hpp>
#include <sprout/type_traits/complex_promote.hpp>
#include <sprout/type_traits/enabler_if.hpp>
namespace sprout {
//
// conj
//
template<typename T>
inline SPROUT_CONSTEXPR sprout::complex<T>
conj(sprout::complex<T> const& x) {
return sprout::complex<T>(x.real(), -x.imag());
}
template<
typename ArithmeticType,
typename sprout::enabler_if<std::is_arithmetic<ArithmeticType>::value>::type = sprout::enabler
>
inline SPROUT_CONSTEXPR typename sprout::complex_promote<ArithmeticType>::type
conj(ArithmeticType x) {
typedef typename sprout::complex_promote<ArithmeticType>::type type;
return type(x);
}
} // namespace sprout
#endif // #ifndef SPROUT_COMPLEX_CONJ_HPP