mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2019 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_COMPLEX_STREAM_OPERATORS_HPP
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#define SPROUT_COMPLEX_STREAM_OPERATORS_HPP
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#include <istream>
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#include <ostream>
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#include <sprout/config.hpp>
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#include <sprout/complex/complex.hpp>
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namespace sprout {
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template<typename T, typename Char, typename Traits>
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inline SPROUT_NON_CONSTEXPR std::basic_istream<Char, Traits>&
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operator>>(std::basic_istream<Char, Traits>& lhs, sprout::complex<T>& rhs) {
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T re, im;
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Char ch;
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lhs >> ch;
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if (ch == '(') {
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lhs >> re >> ch;
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if (ch == ',') {
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lhs >> im >> ch;
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if (ch == ')') {
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rhs = sprout::complex<T>(re, im);
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} else {
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lhs.setstate(std::ios_base::failbit);
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}
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} else if (ch == ')') {
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rhs = re;
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} else {
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lhs.setstate(std::ios_base::failbit);
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}
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} else {
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lhs.putback(ch);
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lhs >> re;
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rhs = re;
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}
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return lhs;
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}
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template<typename T, typename Char, typename Traits>
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inline SPROUT_NON_CONSTEXPR std::basic_ostream<Char, Traits>&
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operator<<(std::basic_ostream<Char, Traits>& lhs, sprout::complex<T> const& rhs) {
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return lhs << '(' << rhs.real() << ',' << rhs.imag() << ')';
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_COMPLEX_STREAM_OPERATORS_HPP
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