// The template and inlines for the -*- C++ -*- complex number classes.
-// Copyright (C) 1997-2016 Free Software Foundation, Inc.
+// Copyright (C) 1997-2017 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
{
- _Tp __re_x, __im_x;
+ bool __fail = true;
_CharT __ch;
- __is >> __ch;
- if (__ch == '(')
+ if (__is >> __ch)
{
- __is >> __re_x >> __ch;
- if (__ch == ',')
+ if (_Traits::eq(__ch, __is.widen('(')))
{
- __is >> __im_x >> __ch;
- if (__ch == ')')
- __x = complex<_Tp>(__re_x, __im_x);
- else
- __is.setstate(ios_base::failbit);
+ _Tp __u;
+ if (__is >> __u >> __ch)
+ {
+ const _CharT __rparen = __is.widen(')');
+ if (_Traits::eq(__ch, __rparen))
+ {
+ __x = __u;
+ __fail = false;
+ }
+ else if (_Traits::eq(__ch, __is.widen(',')))
+ {
+ _Tp __v;
+ if (__is >> __v >> __ch)
+ {
+ if (_Traits::eq(__ch, __rparen))
+ {
+ __x = complex<_Tp>(__u, __v);
+ __fail = false;
+ }
+ else
+ __is.putback(__ch);
+ }
+ }
+ else
+ __is.putback(__ch);
+ }
}
- else if (__ch == ')')
- __x = __re_x;
else
- __is.setstate(ios_base::failbit);
- }
- else
- {
- __is.putback(__ch);
- __is >> __re_x;
- __x = __re_x;
+ {
+ __is.putback(__ch);
+ _Tp __u;
+ if (__is >> __u)
+ {
+ __x = __u;
+ __fail = false;
+ }
+ }
}
+ if (__fail)
+ __is.setstate(ios_base::failbit);
return __is;
}
}
template<typename _Tp>
- inline typename __gnu_cxx::__promote<_Tp>::__type
+ _GLIBCXX_CONSTEXPR inline typename __gnu_cxx::__promote<_Tp>::__type
imag(_Tp)
{ return _Tp(); }
}
template<typename _Tp>
- inline typename __gnu_cxx::__promote<_Tp>::__type
+ _GLIBCXX_CONSTEXPR inline typename __gnu_cxx::__promote<_Tp>::__type
real(_Tp __x)
{ return __x; }
{ return __complex_proj(__z); }
#endif
- // DR 1137.
template<typename _Tp>
- inline typename __gnu_cxx::__promote<_Tp>::__type
+ inline std::complex<typename __gnu_cxx::__promote<_Tp>::__type>
proj(_Tp __x)
- { return __x; }
+ {
+ typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+ return std::proj(std::complex<__type>(__x));
+ }
template<typename _Tp>
- inline typename __gnu_cxx::__promote<_Tp>::__type
+ inline std::complex<typename __gnu_cxx::__promote<_Tp>::__type>
conj(_Tp __x)
- { return __x; }
-
-_GLIBCXX_END_NAMESPACE_VERSION
+ {
+ typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
+ return std::complex<__type>(__x, -__type());
+ }
#if __cplusplus > 201103L
inline namespace literals {
inline namespace complex_literals {
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wliteral-suffix"
#define __cpp_lib_complex_udls 201309
constexpr std::complex<float>
operator""il(unsigned long long __num)
{ return std::complex<long double>{0.0L, static_cast<long double>(__num)}; }
-_GLIBCXX_END_NAMESPACE_VERSION
+#pragma GCC diagnostic pop
} // inline namespace complex_literals
} // inline namespace literals
#endif // C++14
+_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
#endif // C++11