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// -*- C++ -*- header.
// Copyright (C) 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
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/complex128.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{xxxxx}
*/
#ifndef _GLIBCXX_BITS_COMPLEX128_H
#define _GLIBCXX_BITS_COMPLEX128_H 1
#pragma GCC system_header
#if _GLIBCXX_HAVE_FLOAT128_MATH
#include <bits/float128_io.h>
typedef _Complex float __attribute__((mode(TC))) __complex128;
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
// Forward declarations.?
//template<typename _Tp> class complex;
//template<> class complex<float>;
//template<> class complex<double>;
//template<> class complex<long double>;
//template<> class complex<__float128>;
/// complex<__float128> specialization
template<>
struct complex<__float128>
{
typedef __float128 value_type;
// From quadmath.h
//typedef _Complex float __attribute__((mode(TC))) __complex128;
typedef __complex128 _ComplexT;
_GLIBCXX_CONSTEXPR
complex(_ComplexT __z)
: _M_value(__z)
{ }
_GLIBCXX_CONSTEXPR
complex(__float128 __r = 0.0Q,
__float128 __i = 0.0Q)
#if __cplusplus >= 201103L
: _M_value{ __r, __i }
{ }
#else
{
__real__ _M_value = __r;
__imag__ _M_value = __i;
}
#endif
_GLIBCXX_CONSTEXPR
complex(const complex<float>& __z)
: _M_value(__z.__rep())
{ }
_GLIBCXX_CONSTEXPR
complex(const complex<double>& __z)
: _M_value(__z.__rep())
{ }
_GLIBCXX_CONSTEXPR
complex(const complex<long double>& __z)
: _M_value(__z.__rep())
{ }
#if __cplusplus >= 201103L
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
__attribute ((__abi_tag__ ("cxx11")))
constexpr __float128
real() const
{ return __real__ _M_value; }
__attribute ((__abi_tag__ ("cxx11")))
constexpr __float128
imag() const
{ return __imag__ _M_value; }
#else
__float128&
real()
{ return __real__ _M_value; }
const __float128&
real() const
{ return __real__ _M_value; }
__float128&
imag()
{ return __imag__ _M_value; }
const __float128&
imag()
const { return __imag__ _M_value; }
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
void
real(__float128 __val)
{ __real__ _M_value = __val; }
void
imag(__float128 __val)
{ __imag__ _M_value = __val; }
complex&
operator=(__float128 __r)
{
_M_value = __r;
return *this;
}
complex&
operator+=(__float128 __r)
{
_M_value += __r;
return *this;
}
complex&
operator-=(__float128 __r)
{
_M_value -= __r;
return *this;
}
complex&
operator*=(__float128 __r)
{
_M_value *= __r;
return *this;
}
complex&
operator/=(__float128 __r)
{
_M_value /= __r;
return *this;
}
// The compiler knows how to do this efficiently
// complex& operator=(const complex&);
template<typename _Tp>
complex&
operator=(const complex<_Tp>& __z)
{
__real__ _M_value = __z.real();
__imag__ _M_value = __z.imag();
return *this;
}
template<typename _Tp>
complex&
operator+=(const complex<_Tp>& __z)
{
__real__ _M_value += __z.real();
__imag__ _M_value += __z.imag();
return *this;
}
template<typename _Tp>
complex&
operator-=(const complex<_Tp>& __z)
{
__real__ _M_value -= __z.real();
__imag__ _M_value -= __z.imag();
return *this;
}
template<typename _Tp>
complex&
operator*=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value *= __t;
return *this;
}
template<typename _Tp>
complex&
operator/=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value /= __t;
return *this;
}
_GLIBCXX_CONSTEXPR _ComplexT
__rep() const
{ return _M_value; }
private:
_ComplexT _M_value;
};
inline _GLIBCXX_CONSTEXPR
complex<float>::complex(const complex<__float128>& __z)
: _M_value(__z.__rep()) { }
inline _GLIBCXX_CONSTEXPR
complex<double>::complex(const complex<__float128>& __z)
: _M_value(__z.__rep()) { }
inline _GLIBCXX_CONSTEXPR
complex<long double>::complex(const complex<__float128>& __z)
: _M_value(__z.__rep()) { }
#if _GLIBCXX_EXTERN_TEMPLATE
template istream& operator>>(istream&, complex<__float128>&);
template ostream& operator<<(ostream&, const complex<__float128>&);
#ifdef _GLIBCXX_USE_WCHAR_T
// FIXME!!!
//template wistream& operator>>(wistream&, complex<__float128>&);
//template wostream& operator<<(wostream&, const complex<__float128>&);
#endif // _GLIBCXX_USE_WCHAR_T
#endif // _GLIBCXX_EXTERN_TEMPLATE
#if __cplusplus > 201103L
inline namespace literals {
inline namespace complex_literals {
_GLIBCXX_BEGIN_NAMESPACE_VERSION
#define __cpp_lib_complex_udls 201309
inline std::complex<__float128>
operator""iq(const char* __str)
{ return complex<__float128>(0.0Q, strtoflt128(__str, 0)); }
constexpr std::complex<__float128>
operator""iq(unsigned long long __num)
{ return std::complex<__float128>{0.0L, static_cast<__float128>(__num)}; }
_GLIBCXX_END_NAMESPACE_VERSION
} // inline namespace complex_literals
} // inline namespace literals
#endif // C++14
#endif // C++11
} // namespace std
#endif // _GLIBCXX_BITS_COMPLEX128_H
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