// -*- C++ -*- //===----------------------------------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_COMPLEX #define _LIBCPP_COMPLEX /* complex synopsis namespace std { template class complex { public: typedef T value_type; complex(const T& re = T(), const T& im = T()); // constexpr in C++14 complex(const complex&); // constexpr in C++14 template complex(const complex&); // constexpr in C++14 T real() const; // constexpr in C++14 T imag() const; // constexpr in C++14 void real(T); // constexpr in C++20 void imag(T); // constexpr in C++20 complex& operator= (const T&); // constexpr in C++20 complex& operator+=(const T&); // constexpr in C++20 complex& operator-=(const T&); // constexpr in C++20 complex& operator*=(const T&); // constexpr in C++20 complex& operator/=(const T&); // constexpr in C++20 complex& operator=(const complex&); // constexpr in C++20 template complex& operator= (const complex&); // constexpr in C++20 template complex& operator+=(const complex&); // constexpr in C++20 template complex& operator-=(const complex&); // constexpr in C++20 template complex& operator*=(const complex&); // constexpr in C++20 template complex& operator/=(const complex&); // constexpr in C++20 }; template<> class complex { public: typedef float value_type; constexpr complex(float re = 0.0f, float im = 0.0f); explicit constexpr complex(const complex&); explicit constexpr complex(const complex&); constexpr float real() const; void real(float); // constexpr in C++20 constexpr float imag() const; void imag(float); // constexpr in C++20 complex& operator= (float); // constexpr in C++20 complex& operator+=(float); // constexpr in C++20 complex& operator-=(float); // constexpr in C++20 complex& operator*=(float); // constexpr in C++20 complex& operator/=(float); // constexpr in C++20 complex& operator=(const complex&); // constexpr in C++20 template complex& operator= (const complex&); // constexpr in C++20 template complex& operator+=(const complex&); // constexpr in C++20 template complex& operator-=(const complex&); // constexpr in C++20 template complex& operator*=(const complex&); // constexpr in C++20 template complex& operator/=(const complex&); // constexpr in C++20 }; template<> class complex { public: typedef double value_type; constexpr complex(double re = 0.0, double im = 0.0); constexpr complex(const complex&); explicit constexpr complex(const complex&); constexpr double real() const; void real(double); // constexpr in C++20 constexpr double imag() const; void imag(double); // constexpr in C++20 complex& operator= (double); // constexpr in C++20 complex& operator+=(double); // constexpr in C++20 complex& operator-=(double); // constexpr in C++20 complex& operator*=(double); // constexpr in C++20 complex& operator/=(double); // constexpr in C++20 complex& operator=(const complex&); // constexpr in C++20 template complex& operator= (const complex&); // constexpr in C++20 template complex& operator+=(const complex&); // constexpr in C++20 template complex& operator-=(const complex&); // constexpr in C++20 template complex& operator*=(const complex&); // constexpr in C++20 template complex& operator/=(const complex&); // constexpr in C++20 }; template<> class complex { public: typedef long double value_type; constexpr complex(long double re = 0.0L, long double im = 0.0L); constexpr complex(const complex&); constexpr complex(const complex&); constexpr long double real() const; void real(long double); // constexpr in C++20 constexpr long double imag() const; void imag(long double); // constexpr in C++20 complex& operator=(const complex&); // constexpr in C++20 complex& operator= (long double); // constexpr in C++20 complex& operator+=(long double); // constexpr in C++20 complex& operator-=(long double); // constexpr in C++20 complex& operator*=(long double); // constexpr in C++20 complex& operator/=(long double); // constexpr in C++20 template complex& operator= (const complex&); // constexpr in C++20 template complex& operator+=(const complex&); // constexpr in C++20 template complex& operator-=(const complex&); // constexpr in C++20 template complex& operator*=(const complex&); // constexpr in C++20 template complex& operator/=(const complex&); // constexpr in C++20 }; // 26.3.6 operators: template complex operator+(const complex&, const complex&); // constexpr in C++20 template complex operator+(const complex&, const T&); // constexpr in C++20 template complex operator+(const T&, const complex&); // constexpr in C++20 template complex operator-(const complex&, const complex&); // constexpr in C++20 template complex operator-(const complex&, const T&); // constexpr in C++20 template complex operator-(const T&, const complex&); // constexpr in C++20 template complex operator*(const complex&, const complex&); // constexpr in C++20 template complex operator*(const complex&, const T&); // constexpr in C++20 template complex operator*(const T&, const complex&); // constexpr in C++20 template complex operator/(const complex&, const complex&); // constexpr in C++20 template complex operator/(const complex&, const T&); // constexpr in C++20 template complex operator/(const T&, const complex&); // constexpr in C++20 template complex operator+(const complex&); // constexpr in C++20 template complex operator-(const complex&); // constexpr in C++20 template bool operator==(const complex&, const complex&); // constexpr in C++14 template bool operator==(const complex&, const T&); // constexpr in C++14 template bool operator==(const T&, const complex&); // constexpr in C++14, removed in C++20 template bool operator!=(const complex&, const complex&); // constexpr in C++14, removed in C++20 template bool operator!=(const complex&, const T&); // constexpr in C++14, removed in C++20 template bool operator!=(const T&, const complex&); // constexpr in C++14, removed in C++20 template basic_istream& operator>>(basic_istream&, complex&); template basic_ostream& operator<<(basic_ostream&, const complex&); // 26.3.7 values: template T real(const complex&); // constexpr in C++14 long double real(long double); // constexpr in C++14 double real(double); // constexpr in C++14 template double real(T); // constexpr in C++14 float real(float); // constexpr in C++14 template T imag(const complex&); // constexpr in C++14 long double imag(long double); // constexpr in C++14 double imag(double); // constexpr in C++14 template double imag(T); // constexpr in C++14 float imag(float); // constexpr in C++14 template T abs(const complex&); template T arg(const complex&); long double arg(long double); double arg(double); template double arg(T); float arg(float); template T norm(const complex&); // constexpr in C++20 long double norm(long double); // constexpr in C++20 double norm(double); // constexpr in C++20 template double norm(T); // constexpr in C++20 float norm(float); // constexpr in C++20 template complex conj(const complex&); // constexpr in C++20 complex conj(long double); // constexpr in C++20 complex conj(double); // constexpr in C++20 template complex conj(T); // constexpr in C++20 complex conj(float); // constexpr in C++20 template complex proj(const complex&); complex proj(long double); complex proj(double); template complex proj(T); complex proj(float); template complex polar(const T&, const T& = T()); // 26.3.8 transcendentals: template complex acos(const complex&); template complex asin(const complex&); template complex atan(const complex&); template complex acosh(const complex&); template complex asinh(const complex&); template complex atanh(const complex&); template complex cos (const complex&); template complex cosh (const complex&); template complex exp (const complex&); template complex log (const complex&); template complex log10(const complex&); template complex pow(const complex&, const T&); template complex pow(const complex&, const complex&); template complex pow(const T&, const complex&); template complex sin (const complex&); template complex sinh (const complex&); template complex sqrt (const complex&); template complex tan (const complex&); template complex tanh (const complex&); // [complex.tuple], tuple interface template struct tuple_size; // Since C++26 template struct tuple_element; // Since C++26 template struct tuple_size>; // Since C++26 template struct tuple_element>; // Since C++26 template constexpr T& get(complex&) noexcept; // Since C++26 template constexpr T&& get(complex&&) noexcept; // Since C++26 template constexpr const T& get(const complex&) noexcept; // Since C++26 template constexpr const T&& get(const complex&&) noexcept; // Since C++26 // [complex.literals], complex literals inline namespace literals { inline namespace complex_literals { constexpr complex operator""il(long double); // Since C++14 constexpr complex operator""il(unsigned long long); // Since C++14 constexpr complex operator""i(long double); // Since C++14 constexpr complex operator""i(unsigned long long); // Since C++14 constexpr complex operator""if(long double); // Since C++14 constexpr complex operator""if(unsigned long long); // Since C++14 } } } // std */ #include <__config> #include <__fwd/complex.h> #include <__fwd/tuple.h> #include <__tuple/tuple_element.h> #include <__tuple/tuple_size.h> #include <__type_traits/conditional.h> #include <__utility/move.h> #include #include #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) # include // for std::basic_ostringstream #endif #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_PUSH_MACROS #include <__undef_macros> _LIBCPP_BEGIN_NAMESPACE_STD template class _LIBCPP_TEMPLATE_VIS complex; template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator*(const complex<_Tp>& __z, const complex<_Tp>& __w); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator*(const complex<_Tp>& __z, const complex<_Tp>& __w); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator/(const complex<_Tp>& __x, const complex<_Tp>& __y); template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator/(const complex<_Tp>& __x, const complex<_Tp>& __y); template class _LIBCPP_TEMPLATE_VIS complex { public: typedef _Tp value_type; private: value_type __re_; value_type __im_; public: _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 complex(const value_type& __re = value_type(), const value_type& __im = value_type()) : __re_(__re), __im_(__im) {} template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 complex(const complex<_Xp>& __c) : __re_(__c.real()), __im_(__c.imag()) {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 value_type real() const { return __re_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 value_type imag() const { return __im_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void real(value_type __re) { __re_ = __re; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void imag(value_type __im) { __im_ = __im; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(const value_type& __re) { __re_ = __re; __im_ = value_type(); return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(const value_type& __re) { __re_ += __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(const value_type& __re) { __re_ -= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(const value_type& __re) { __re_ *= __re; __im_ *= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(const value_type& __re) { __re_ /= __re; __im_ /= __re; return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(const complex<_Xp>& __c) { __re_ = __c.real(); __im_ = __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(const complex<_Xp>& __c) { __re_ += __c.real(); __im_ += __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(const complex<_Xp>& __c) { __re_ -= __c.real(); __im_ -= __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(const complex<_Xp>& __c) { *this = *this * complex(__c.real(), __c.imag()); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(const complex<_Xp>& __c) { *this = *this / complex(__c.real(), __c.imag()); return *this; } #if _LIBCPP_STD_VER >= 26 template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp& get(complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp&& get(complex<_Xp>&&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp& get(const complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp&& get(const complex<_Xp>&&) noexcept; #endif }; template <> class _LIBCPP_TEMPLATE_VIS complex; template <> class _LIBCPP_TEMPLATE_VIS complex; struct __from_builtin_tag {}; template using __complex_t = __conditional_t::value, _Complex float, __conditional_t::value, _Complex double, _Complex long double> >; template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR __complex_t<_Tp> __make_complex(_Tp __re, _Tp __im) { #if __has_builtin(__builtin_complex) return __builtin_complex(__re, __im); #else return __complex_t<_Tp>{__re, __im}; #endif } template <> class _LIBCPP_TEMPLATE_VIS complex { float __re_; float __im_; public: typedef float value_type; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR complex(float __re = 0.0f, float __im = 0.0f) : __re_(__re), __im_(__im) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR explicit complex(_Tag, _Complex float __v) : __re_(__real__ __v), __im_(__imag__ __v) {} _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR complex(const complex& __c); _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR complex(const complex& __c); _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR float real() const { return __re_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR float imag() const { return __im_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void real(value_type __re) { __re_ = __re; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void imag(value_type __im) { __im_ = __im; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Complex float __builtin() const { return std::__make_complex(__re_, __im_); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 void __builtin(_Complex float __f) { __re_ = __real__ __f; __im_ = __imag__ __f; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(float __re) { __re_ = __re; __im_ = value_type(); return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(float __re) { __re_ += __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(float __re) { __re_ -= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(float __re) { __re_ *= __re; __im_ *= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(float __re) { __re_ /= __re; __im_ /= __re; return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(const complex<_Xp>& __c) { __re_ = __c.real(); __im_ = __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(const complex<_Xp>& __c) { __re_ += __c.real(); __im_ += __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(const complex<_Xp>& __c) { __re_ -= __c.real(); __im_ -= __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(const complex<_Xp>& __c) { *this = *this * complex(__c.real(), __c.imag()); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(const complex<_Xp>& __c) { *this = *this / complex(__c.real(), __c.imag()); return *this; } #if _LIBCPP_STD_VER >= 26 template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp& get(complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp&& get(complex<_Xp>&&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp& get(const complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp&& get(const complex<_Xp>&&) noexcept; #endif }; template <> class _LIBCPP_TEMPLATE_VIS complex { double __re_; double __im_; public: typedef double value_type; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR complex(double __re = 0.0, double __im = 0.0) : __re_(__re), __im_(__im) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR explicit complex(_Tag, _Complex double __v) : __re_(__real__ __v), __im_(__imag__ __v) {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR complex(const complex& __c); _LIBCPP_HIDE_FROM_ABI explicit _LIBCPP_CONSTEXPR complex(const complex& __c); _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR double real() const { return __re_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR double imag() const { return __im_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void real(value_type __re) { __re_ = __re; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void imag(value_type __im) { __im_ = __im; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Complex double __builtin() const { return std::__make_complex(__re_, __im_); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 void __builtin(_Complex double __f) { __re_ = __real__ __f; __im_ = __imag__ __f; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(double __re) { __re_ = __re; __im_ = value_type(); return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(double __re) { __re_ += __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(double __re) { __re_ -= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(double __re) { __re_ *= __re; __im_ *= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(double __re) { __re_ /= __re; __im_ /= __re; return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(const complex<_Xp>& __c) { __re_ = __c.real(); __im_ = __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(const complex<_Xp>& __c) { __re_ += __c.real(); __im_ += __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(const complex<_Xp>& __c) { __re_ -= __c.real(); __im_ -= __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(const complex<_Xp>& __c) { *this = *this * complex(__c.real(), __c.imag()); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(const complex<_Xp>& __c) { *this = *this / complex(__c.real(), __c.imag()); return *this; } #if _LIBCPP_STD_VER >= 26 template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp& get(complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp&& get(complex<_Xp>&&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp& get(const complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp&& get(const complex<_Xp>&&) noexcept; #endif }; template <> class _LIBCPP_TEMPLATE_VIS complex { long double __re_; long double __im_; public: typedef long double value_type; _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR complex(long double __re = 0.0L, long double __im = 0.0L) : __re_(__re), __im_(__im) {} template ::value, int> = 0> _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR explicit complex(_Tag, _Complex long double __v) : __re_(__real__ __v), __im_(__imag__ __v) {} _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR complex(const complex& __c); _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR complex(const complex& __c); _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR long double real() const { return __re_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR long double imag() const { return __im_; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void real(value_type __re) { __re_ = __re; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void imag(value_type __im) { __im_ = __im; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _Complex long double __builtin() const { return std::__make_complex(__re_, __im_); } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 void __builtin(_Complex long double __f) { __re_ = __real__ __f; __im_ = __imag__ __f; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(long double __re) { __re_ = __re; __im_ = value_type(); return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(long double __re) { __re_ += __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(long double __re) { __re_ -= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(long double __re) { __re_ *= __re; __im_ *= __re; return *this; } _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(long double __re) { __re_ /= __re; __im_ /= __re; return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator=(const complex<_Xp>& __c) { __re_ = __c.real(); __im_ = __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator+=(const complex<_Xp>& __c) { __re_ += __c.real(); __im_ += __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator-=(const complex<_Xp>& __c) { __re_ -= __c.real(); __im_ -= __c.imag(); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator*=(const complex<_Xp>& __c) { *this = *this * complex(__c.real(), __c.imag()); return *this; } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex& operator/=(const complex<_Xp>& __c) { *this = *this / complex(__c.real(), __c.imag()); return *this; } #if _LIBCPP_STD_VER >= 26 template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp& get(complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr _Xp&& get(complex<_Xp>&&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp& get(const complex<_Xp>&) noexcept; template friend _LIBCPP_HIDE_FROM_ABI constexpr const _Xp&& get(const complex<_Xp>&&) noexcept; #endif }; inline _LIBCPP_CONSTEXPR complex::complex(const complex& __c) : __re_(__c.real()), __im_(__c.imag()) {} inline _LIBCPP_CONSTEXPR complex::complex(const complex& __c) : __re_(__c.real()), __im_(__c.imag()) {} inline _LIBCPP_CONSTEXPR complex::complex(const complex& __c) : __re_(__c.real()), __im_(__c.imag()) {} inline _LIBCPP_CONSTEXPR complex::complex(const complex& __c) : __re_(__c.real()), __im_(__c.imag()) {} inline _LIBCPP_CONSTEXPR complex::complex(const complex& __c) : __re_(__c.real()), __im_(__c.imag()) {} inline _LIBCPP_CONSTEXPR complex::complex(const complex& __c) : __re_(__c.real()), __im_(__c.imag()) {} // 26.3.6 operators: template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator+(const complex<_Tp>& __x, const complex<_Tp>& __y) { complex<_Tp> __t(__x); __t += __y; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator+(const complex<_Tp>& __x, const _Tp& __y) { complex<_Tp> __t(__x); __t += __y; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator+(const _Tp& __x, const complex<_Tp>& __y) { complex<_Tp> __t(__y); __t += __x; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator-(const complex<_Tp>& __x, const complex<_Tp>& __y) { complex<_Tp> __t(__x); __t -= __y; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator-(const complex<_Tp>& __x, const _Tp& __y) { complex<_Tp> __t(__x); __t -= __y; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator-(const _Tp& __x, const complex<_Tp>& __y) { complex<_Tp> __t(-__y); __t += __x; return __t; } template ::value, int> > _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator*(const complex<_Tp>& __lhs, const complex<_Tp>& __rhs) { return complex<_Tp>(__from_builtin_tag(), __lhs.__builtin() * __rhs.__builtin()); } template ::value, int> > _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator*(const complex<_Tp>& __z, const complex<_Tp>& __w) { _Tp __a = __z.real(); _Tp __b = __z.imag(); _Tp __c = __w.real(); _Tp __d = __w.imag(); return complex<_Tp>((__a * __c) - (__b * __d), (__a * __d) + (__b * __c)); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator*(const complex<_Tp>& __x, const _Tp& __y) { complex<_Tp> __t(__x); __t *= __y; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator*(const _Tp& __x, const complex<_Tp>& __y) { complex<_Tp> __t(__y); __t *= __x; return __t; } template ::value, int> > _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator/(const complex<_Tp>& __lhs, const complex<_Tp>& __rhs) { return complex<_Tp>(__from_builtin_tag(), __lhs.__builtin() / __rhs.__builtin()); } template ::value, int> > _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator/(const complex<_Tp>& __z, const complex<_Tp>& __w) { _Tp __a = __z.real(); _Tp __b = __z.imag(); _Tp __c = __w.real(); _Tp __d = __w.imag(); _Tp __denom = __c * __c + __d * __d; return complex<_Tp>((__a * __c + __b * __d) / __denom, (__b * __c - __a * __d) / __denom); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator/(const complex<_Tp>& __x, const _Tp& __y) { return complex<_Tp>(__x.real() / __y, __x.imag() / __y); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator/(const _Tp& __x, const complex<_Tp>& __y) { complex<_Tp> __t(__x); __t /= __y; return __t; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator+(const complex<_Tp>& __x) { return __x; } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> operator-(const complex<_Tp>& __x) { return complex<_Tp>(-__x.real(), -__x.imag()); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator==(const complex<_Tp>& __x, const complex<_Tp>& __y) { return __x.real() == __y.real() && __x.imag() == __y.imag(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator==(const complex<_Tp>& __x, const _Tp& __y) { return __x.real() == __y && __x.imag() == 0; } #if _LIBCPP_STD_VER <= 17 template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator==(const _Tp& __x, const complex<_Tp>& __y) { return __x == __y.real() && 0 == __y.imag(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator!=(const complex<_Tp>& __x, const complex<_Tp>& __y) { return !(__x == __y); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator!=(const complex<_Tp>& __x, const _Tp& __y) { return !(__x == __y); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool operator!=(const _Tp& __x, const complex<_Tp>& __y) { return !(__x == __y); } #endif // 26.3.7 values: template ::value, bool = is_floating_point<_Tp>::value > struct __libcpp_complex_overload_traits {}; // Integral Types template struct __libcpp_complex_overload_traits<_Tp, true, false> { typedef double _ValueType; typedef complex _ComplexType; }; // Floating point types template struct __libcpp_complex_overload_traits<_Tp, false, true> { typedef _Tp _ValueType; typedef complex<_Tp> _ComplexType; }; // real template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp real(const complex<_Tp>& __c) { return __c.real(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename __libcpp_complex_overload_traits<_Tp>::_ValueType real(_Tp __re) { return __re; } // imag template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp imag(const complex<_Tp>& __c) { return __c.imag(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 typename __libcpp_complex_overload_traits<_Tp>::_ValueType imag(_Tp) { return 0; } // abs template inline _LIBCPP_HIDE_FROM_ABI _Tp abs(const complex<_Tp>& __c) { return std::hypot(__c.real(), __c.imag()); } // arg template inline _LIBCPP_HIDE_FROM_ABI _Tp arg(const complex<_Tp>& __c) { return std::atan2(__c.imag(), __c.real()); } template ::value, int> = 0> inline _LIBCPP_HIDE_FROM_ABI long double arg(_Tp __re) { return std::atan2l(0.L, __re); } template ::value || is_same<_Tp, double>::value, int> = 0> inline _LIBCPP_HIDE_FROM_ABI double arg(_Tp __re) { return std::atan2(0., __re); } template ::value, int> = 0> inline _LIBCPP_HIDE_FROM_ABI float arg(_Tp __re) { return std::atan2f(0.F, __re); } // norm template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 _Tp norm(const complex<_Tp>& __c) { if (std::__constexpr_isinf(__c.real())) return std::abs(__c.real()); if (std::__constexpr_isinf(__c.imag())) return std::abs(__c.imag()); return __c.real() * __c.real() + __c.imag() * __c.imag(); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 typename __libcpp_complex_overload_traits<_Tp>::_ValueType norm(_Tp __re) { typedef typename __libcpp_complex_overload_traits<_Tp>::_ValueType _ValueType; return static_cast<_ValueType>(__re) * __re; } // conj template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 complex<_Tp> conj(const complex<_Tp>& __c) { return complex<_Tp>(__c.real(), -__c.imag()); } template inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 typename __libcpp_complex_overload_traits<_Tp>::_ComplexType conj(_Tp __re) { typedef typename __libcpp_complex_overload_traits<_Tp>::_ComplexType _ComplexType; return _ComplexType(__re); } // proj template inline _LIBCPP_HIDE_FROM_ABI complex<_Tp> proj(const complex<_Tp>& __c) { complex<_Tp> __r = __c; if (std::__constexpr_isinf(__c.real()) || std::__constexpr_isinf(__c.imag())) __r = complex<_Tp>(INFINITY, std::copysign(_Tp(0), __c.imag())); return __r; } template ::value, int> = 0> inline _LIBCPP_HIDE_FROM_ABI typename __libcpp_complex_overload_traits<_Tp>::_ComplexType proj(_Tp __re) { if (std::__constexpr_isinf(__re)) __re = std::abs(__re); return complex<_Tp>(__re); } template ::value, int> = 0> inline _LIBCPP_HIDE_FROM_ABI typename __libcpp_complex_overload_traits<_Tp>::_ComplexType proj(_Tp __re) { typedef typename __libcpp_complex_overload_traits<_Tp>::_ComplexType _ComplexType; return _ComplexType(__re); } // polar template _LIBCPP_HIDE_FROM_ABI complex<_Tp> polar(const _Tp& __rho, const _Tp& __theta = _Tp()) { if (std::__constexpr_isnan(__rho) || std::signbit(__rho)) return complex<_Tp>(_Tp(NAN), _Tp(NAN)); if (std::__constexpr_isnan(__theta)) { if (std::__constexpr_isinf(__rho)) return complex<_Tp>(__rho, __theta); return complex<_Tp>(__theta, __theta); } if (std::__constexpr_isinf(__theta)) { if (std::__constexpr_isinf(__rho)) return complex<_Tp>(__rho, _Tp(NAN)); return complex<_Tp>(_Tp(NAN), _Tp(NAN)); } _Tp __x = __rho * std::cos(__theta); if (std::__constexpr_isnan(__x)) __x = 0; _Tp __y = __rho * std::sin(__theta); if (std::__constexpr_isnan(__y)) __y = 0; return complex<_Tp>(__x, __y); } // log template inline _LIBCPP_HIDE_FROM_ABI complex<_Tp> log(const complex<_Tp>& __x) { return complex<_Tp>(std::log(std::abs(__x)), std::arg(__x)); } // log10 template inline _LIBCPP_HIDE_FROM_ABI complex<_Tp> log10(const complex<_Tp>& __x) { return std::log(__x) / std::log(_Tp(10)); } // sqrt template _LIBCPP_HIDE_FROM_ABI complex<_Tp> sqrt(const complex<_Tp>& __x) { if (std::__constexpr_isinf(__x.imag())) return complex<_Tp>(_Tp(INFINITY), __x.imag()); if (std::__constexpr_isinf(__x.real())) { if (__x.real() > _Tp(0)) return complex<_Tp>( __x.real(), std::__constexpr_isnan(__x.imag()) ? __x.imag() : std::copysign(_Tp(0), __x.imag())); return complex<_Tp>( std::__constexpr_isnan(__x.imag()) ? __x.imag() : _Tp(0), std::copysign(__x.real(), __x.imag())); } return std::polar(std::sqrt(std::abs(__x)), std::arg(__x) / _Tp(2)); } // exp template _LIBCPP_HIDE_FROM_ABI complex<_Tp> exp(const complex<_Tp>& __x) { _Tp __i = __x.imag(); if (__i == 0) { return complex<_Tp>(std::exp(__x.real()), std::copysign(_Tp(0), __x.imag())); } if (std::__constexpr_isinf(__x.real())) { if (__x.real() < _Tp(0)) { if (!std::__constexpr_isfinite(__i)) __i = _Tp(1); } else if (__i == 0 || !std::__constexpr_isfinite(__i)) { if (std::__constexpr_isinf(__i)) __i = _Tp(NAN); return complex<_Tp>(__x.real(), __i); } } _Tp __e = std::exp(__x.real()); return complex<_Tp>(__e * std::cos(__i), __e * std::sin(__i)); } // pow template inline _LIBCPP_HIDE_FROM_ABI complex<_Tp> pow(const complex<_Tp>& __x, const complex<_Tp>& __y) { return std::exp(__y * std::log(__x)); } template