2014-07-19 11:03:13 +00:00
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/*=============================================================================
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2015-01-10 10:13:57 +00:00
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Copyright (c) 2011-2015 Bolero MURAKAMI
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2014-07-19 11:03:13 +00:00
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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_COMPLEX_REAL_HPP
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#define SPROUT_COMPLEX_REAL_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/complex/complex.hpp>
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#include <sprout/type_traits/float_promote.hpp>
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#include <sprout/type_traits/enabler_if.hpp>
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namespace sprout {
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//
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// real
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//
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template<typename T>
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inline SPROUT_CONSTEXPR T const&
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real(sprout::complex<T> const& x) {
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return x.real();
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}
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template<typename T>
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inline SPROUT_CONSTEXPR T&
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real(sprout::complex<T>& x) {
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return x.real();
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}
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template<
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typename ArithmeticType,
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typename sprout::enabler_if<std::is_arithmetic<ArithmeticType>::value>::type = sprout::enabler
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>
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inline SPROUT_CONSTEXPR typename sprout::float_promote<ArithmeticType>::type
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real(ArithmeticType x) {
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return x;
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_COMPLEX_REAL_HPP
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