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Diffstat (limited to 'lib/libcxx/include/complex')
-rw-r--r-- | lib/libcxx/include/complex | 1496 |
1 files changed, 0 insertions, 1496 deletions
diff --git a/lib/libcxx/include/complex b/lib/libcxx/include/complex deleted file mode 100644 index 8cf6a946d71..00000000000 --- a/lib/libcxx/include/complex +++ /dev/null @@ -1,1496 +0,0 @@ -// -*- C++ -*- -//===--------------------------- complex ----------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_COMPLEX -#define _LIBCPP_COMPLEX - -/* - complex synopsis - -namespace std -{ - -template<class T> -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<class X> complex(const complex<X>&); // constexpr in C++14 - - T real() const; // constexpr in C++14 - T imag() const; // constexpr in C++14 - - void real(T); - void imag(T); - - complex<T>& operator= (const T&); - complex<T>& operator+=(const T&); - complex<T>& operator-=(const T&); - complex<T>& operator*=(const T&); - complex<T>& operator/=(const T&); - - complex& operator=(const complex&); - template<class X> complex<T>& operator= (const complex<X>&); - template<class X> complex<T>& operator+=(const complex<X>&); - template<class X> complex<T>& operator-=(const complex<X>&); - template<class X> complex<T>& operator*=(const complex<X>&); - template<class X> complex<T>& operator/=(const complex<X>&); -}; - -template<> -class complex<float> -{ -public: - typedef float value_type; - - constexpr complex(float re = 0.0f, float im = 0.0f); - explicit constexpr complex(const complex<double>&); - explicit constexpr complex(const complex<long double>&); - - constexpr float real() const; - void real(float); - constexpr float imag() const; - void imag(float); - - complex<float>& operator= (float); - complex<float>& operator+=(float); - complex<float>& operator-=(float); - complex<float>& operator*=(float); - complex<float>& operator/=(float); - - complex<float>& operator=(const complex<float>&); - template<class X> complex<float>& operator= (const complex<X>&); - template<class X> complex<float>& operator+=(const complex<X>&); - template<class X> complex<float>& operator-=(const complex<X>&); - template<class X> complex<float>& operator*=(const complex<X>&); - template<class X> complex<float>& operator/=(const complex<X>&); -}; - -template<> -class complex<double> -{ -public: - typedef double value_type; - - constexpr complex(double re = 0.0, double im = 0.0); - constexpr complex(const complex<float>&); - explicit constexpr complex(const complex<long double>&); - - constexpr double real() const; - void real(double); - constexpr double imag() const; - void imag(double); - - complex<double>& operator= (double); - complex<double>& operator+=(double); - complex<double>& operator-=(double); - complex<double>& operator*=(double); - complex<double>& operator/=(double); - complex<double>& operator=(const complex<double>&); - - template<class X> complex<double>& operator= (const complex<X>&); - template<class X> complex<double>& operator+=(const complex<X>&); - template<class X> complex<double>& operator-=(const complex<X>&); - template<class X> complex<double>& operator*=(const complex<X>&); - template<class X> complex<double>& operator/=(const complex<X>&); -}; - -template<> -class complex<long double> -{ -public: - typedef long double value_type; - - constexpr complex(long double re = 0.0L, long double im = 0.0L); - constexpr complex(const complex<float>&); - constexpr complex(const complex<double>&); - - constexpr long double real() const; - void real(long double); - constexpr long double imag() const; - void imag(long double); - - complex<long double>& operator=(const complex<long double>&); - complex<long double>& operator= (long double); - complex<long double>& operator+=(long double); - complex<long double>& operator-=(long double); - complex<long double>& operator*=(long double); - complex<long double>& operator/=(long double); - - template<class X> complex<long double>& operator= (const complex<X>&); - template<class X> complex<long double>& operator+=(const complex<X>&); - template<class X> complex<long double>& operator-=(const complex<X>&); - template<class X> complex<long double>& operator*=(const complex<X>&); - template<class X> complex<long double>& operator/=(const complex<X>&); -}; - -// 26.3.6 operators: -template<class T> complex<T> operator+(const complex<T>&, const complex<T>&); -template<class T> complex<T> operator+(const complex<T>&, const T&); -template<class T> complex<T> operator+(const T&, const complex<T>&); -template<class T> complex<T> operator-(const complex<T>&, const complex<T>&); -template<class T> complex<T> operator-(const complex<T>&, const T&); -template<class T> complex<T> operator-(const T&, const complex<T>&); -template<class T> complex<T> operator*(const complex<T>&, const complex<T>&); -template<class T> complex<T> operator*(const complex<T>&, const T&); -template<class T> complex<T> operator*(const T&, const complex<T>&); -template<class T> complex<T> operator/(const complex<T>&, const complex<T>&); -template<class T> complex<T> operator/(const complex<T>&, const T&); -template<class T> complex<T> operator/(const T&, const complex<T>&); -template<class T> complex<T> operator+(const complex<T>&); -template<class T> complex<T> operator-(const complex<T>&); -template<class T> bool operator==(const complex<T>&, const complex<T>&); // constexpr in C++14 -template<class T> bool operator==(const complex<T>&, const T&); // constexpr in C++14 -template<class T> bool operator==(const T&, const complex<T>&); // constexpr in C++14 -template<class T> bool operator!=(const complex<T>&, const complex<T>&); // constexpr in C++14 -template<class T> bool operator!=(const complex<T>&, const T&); // constexpr in C++14 -template<class T> bool operator!=(const T&, const complex<T>&); // constexpr in C++14 - -template<class T, class charT, class traits> - basic_istream<charT, traits>& - operator>>(basic_istream<charT, traits>&, complex<T>&); -template<class T, class charT, class traits> - basic_ostream<charT, traits>& - operator<<(basic_ostream<charT, traits>&, const complex<T>&); - -// 26.3.7 values: - -template<class T> T real(const complex<T>&); // constexpr in C++14 - long double real(long double); // constexpr in C++14 - double real(double); // constexpr in C++14 -template<Integral T> double real(T); // constexpr in C++14 - float real(float); // constexpr in C++14 - -template<class T> T imag(const complex<T>&); // constexpr in C++14 - long double imag(long double); // constexpr in C++14 - double imag(double); // constexpr in C++14 -template<Integral T> double imag(T); // constexpr in C++14 - float imag(float); // constexpr in C++14 - -template<class T> T abs(const complex<T>&); - -template<class T> T arg(const complex<T>&); - long double arg(long double); - double arg(double); -template<Integral T> double arg(T); - float arg(float); - -template<class T> T norm(const complex<T>&); - long double norm(long double); - double norm(double); -template<Integral T> double norm(T); - float norm(float); - -template<class T> complex<T> conj(const complex<T>&); - complex<long double> conj(long double); - complex<double> conj(double); -template<Integral T> complex<double> conj(T); - complex<float> conj(float); - -template<class T> complex<T> proj(const complex<T>&); - complex<long double> proj(long double); - complex<double> proj(double); -template<Integral T> complex<double> proj(T); - complex<float> proj(float); - -template<class T> complex<T> polar(const T&, const T& = T()); - -// 26.3.8 transcendentals: -template<class T> complex<T> acos(const complex<T>&); -template<class T> complex<T> asin(const complex<T>&); -template<class T> complex<T> atan(const complex<T>&); -template<class T> complex<T> acosh(const complex<T>&); -template<class T> complex<T> asinh(const complex<T>&); -template<class T> complex<T> atanh(const complex<T>&); -template<class T> complex<T> cos (const complex<T>&); -template<class T> complex<T> cosh (const complex<T>&); -template<class T> complex<T> exp (const complex<T>&); -template<class T> complex<T> log (const complex<T>&); -template<class T> complex<T> log10(const complex<T>&); - -template<class T> complex<T> pow(const complex<T>&, const T&); -template<class T> complex<T> pow(const complex<T>&, const complex<T>&); -template<class T> complex<T> pow(const T&, const complex<T>&); - -template<class T> complex<T> sin (const complex<T>&); -template<class T> complex<T> sinh (const complex<T>&); -template<class T> complex<T> sqrt (const complex<T>&); -template<class T> complex<T> tan (const complex<T>&); -template<class T> complex<T> tanh (const complex<T>&); - -template<class T, class charT, class traits> - basic_istream<charT, traits>& - operator>>(basic_istream<charT, traits>& is, complex<T>& x); - -template<class T, class charT, class traits> - basic_ostream<charT, traits>& - operator<<(basic_ostream<charT, traits>& o, const complex<T>& x); - -} // std - -*/ - -#include <__config> -#include <type_traits> -#include <stdexcept> -#include <cmath> -#include <sstream> -#include <version> - -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -#pragma GCC system_header -#endif - -_LIBCPP_BEGIN_NAMESPACE_STD - -template<class _Tp> class _LIBCPP_TEMPLATE_VIS complex; - -template<class _Tp> complex<_Tp> operator*(const complex<_Tp>& __z, const complex<_Tp>& __w); -template<class _Tp> complex<_Tp> operator/(const complex<_Tp>& __x, const complex<_Tp>& __y); - -template<class _Tp> -class _LIBCPP_TEMPLATE_VIS complex -{ -public: - typedef _Tp value_type; -private: - value_type __re_; - value_type __im_; -public: - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 - complex(const value_type& __re = value_type(), const value_type& __im = value_type()) - : __re_(__re), __im_(__im) {} - template<class _Xp> _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 - complex(const complex<_Xp>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 value_type real() const {return __re_;} - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 value_type imag() const {return __im_;} - - _LIBCPP_INLINE_VISIBILITY void real(value_type __re) {__re_ = __re;} - _LIBCPP_INLINE_VISIBILITY void imag(value_type __im) {__im_ = __im;} - - _LIBCPP_INLINE_VISIBILITY complex& operator= (const value_type& __re) - {__re_ = __re; __im_ = value_type(); return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator+=(const value_type& __re) {__re_ += __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator-=(const value_type& __re) {__re_ -= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator*=(const value_type& __re) {__re_ *= __re; __im_ *= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator/=(const value_type& __re) {__re_ /= __re; __im_ /= __re; return *this;} - - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator= (const complex<_Xp>& __c) - { - __re_ = __c.real(); - __im_ = __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator+=(const complex<_Xp>& __c) - { - __re_ += __c.real(); - __im_ += __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator-=(const complex<_Xp>& __c) - { - __re_ -= __c.real(); - __im_ -= __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator*=(const complex<_Xp>& __c) - { - *this = *this * complex(__c.real(), __c.imag()); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator/=(const complex<_Xp>& __c) - { - *this = *this / complex(__c.real(), __c.imag()); - return *this; - } -}; - -template<> class _LIBCPP_TEMPLATE_VIS complex<double>; -template<> class _LIBCPP_TEMPLATE_VIS complex<long double>; - -template<> -class _LIBCPP_TEMPLATE_VIS complex<float> -{ - float __re_; - float __im_; -public: - typedef float value_type; - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(float __re = 0.0f, float __im = 0.0f) - : __re_(__re), __im_(__im) {} - _LIBCPP_INLINE_VISIBILITY - explicit _LIBCPP_CONSTEXPR complex(const complex<double>& __c); - _LIBCPP_INLINE_VISIBILITY - explicit _LIBCPP_CONSTEXPR complex(const complex<long double>& __c); - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR float real() const {return __re_;} - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR float imag() const {return __im_;} - - _LIBCPP_INLINE_VISIBILITY void real(value_type __re) {__re_ = __re;} - _LIBCPP_INLINE_VISIBILITY void imag(value_type __im) {__im_ = __im;} - - _LIBCPP_INLINE_VISIBILITY complex& operator= (float __re) - {__re_ = __re; __im_ = value_type(); return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator+=(float __re) {__re_ += __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator-=(float __re) {__re_ -= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator*=(float __re) {__re_ *= __re; __im_ *= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator/=(float __re) {__re_ /= __re; __im_ /= __re; return *this;} - - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator= (const complex<_Xp>& __c) - { - __re_ = __c.real(); - __im_ = __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator+=(const complex<_Xp>& __c) - { - __re_ += __c.real(); - __im_ += __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator-=(const complex<_Xp>& __c) - { - __re_ -= __c.real(); - __im_ -= __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator*=(const complex<_Xp>& __c) - { - *this = *this * complex(__c.real(), __c.imag()); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator/=(const complex<_Xp>& __c) - { - *this = *this / complex(__c.real(), __c.imag()); - return *this; - } -}; - -template<> -class _LIBCPP_TEMPLATE_VIS complex<double> -{ - double __re_; - double __im_; -public: - typedef double value_type; - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(double __re = 0.0, double __im = 0.0) - : __re_(__re), __im_(__im) {} - _LIBCPP_INLINE_VISIBILITY - _LIBCPP_CONSTEXPR complex(const complex<float>& __c); - _LIBCPP_INLINE_VISIBILITY - explicit _LIBCPP_CONSTEXPR complex(const complex<long double>& __c); - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR double real() const {return __re_;} - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR double imag() const {return __im_;} - - _LIBCPP_INLINE_VISIBILITY void real(value_type __re) {__re_ = __re;} - _LIBCPP_INLINE_VISIBILITY void imag(value_type __im) {__im_ = __im;} - - _LIBCPP_INLINE_VISIBILITY complex& operator= (double __re) - {__re_ = __re; __im_ = value_type(); return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator+=(double __re) {__re_ += __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator-=(double __re) {__re_ -= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator*=(double __re) {__re_ *= __re; __im_ *= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator/=(double __re) {__re_ /= __re; __im_ /= __re; return *this;} - - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator= (const complex<_Xp>& __c) - { - __re_ = __c.real(); - __im_ = __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator+=(const complex<_Xp>& __c) - { - __re_ += __c.real(); - __im_ += __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator-=(const complex<_Xp>& __c) - { - __re_ -= __c.real(); - __im_ -= __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator*=(const complex<_Xp>& __c) - { - *this = *this * complex(__c.real(), __c.imag()); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator/=(const complex<_Xp>& __c) - { - *this = *this / complex(__c.real(), __c.imag()); - return *this; - } -}; - -template<> -class _LIBCPP_TEMPLATE_VIS complex<long double> -{ - long double __re_; - long double __im_; -public: - typedef long double value_type; - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR complex(long double __re = 0.0L, long double __im = 0.0L) - : __re_(__re), __im_(__im) {} - _LIBCPP_INLINE_VISIBILITY - _LIBCPP_CONSTEXPR complex(const complex<float>& __c); - _LIBCPP_INLINE_VISIBILITY - _LIBCPP_CONSTEXPR complex(const complex<double>& __c); - - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR long double real() const {return __re_;} - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR long double imag() const {return __im_;} - - _LIBCPP_INLINE_VISIBILITY void real(value_type __re) {__re_ = __re;} - _LIBCPP_INLINE_VISIBILITY void imag(value_type __im) {__im_ = __im;} - - _LIBCPP_INLINE_VISIBILITY complex& operator= (long double __re) - {__re_ = __re; __im_ = value_type(); return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator+=(long double __re) {__re_ += __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator-=(long double __re) {__re_ -= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator*=(long double __re) {__re_ *= __re; __im_ *= __re; return *this;} - _LIBCPP_INLINE_VISIBILITY complex& operator/=(long double __re) {__re_ /= __re; __im_ /= __re; return *this;} - - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator= (const complex<_Xp>& __c) - { - __re_ = __c.real(); - __im_ = __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator+=(const complex<_Xp>& __c) - { - __re_ += __c.real(); - __im_ += __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator-=(const complex<_Xp>& __c) - { - __re_ -= __c.real(); - __im_ -= __c.imag(); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator*=(const complex<_Xp>& __c) - { - *this = *this * complex(__c.real(), __c.imag()); - return *this; - } - template<class _Xp> _LIBCPP_INLINE_VISIBILITY complex& operator/=(const complex<_Xp>& __c) - { - *this = *this / complex(__c.real(), __c.imag()); - return *this; - } -}; - -inline -_LIBCPP_CONSTEXPR -complex<float>::complex(const complex<double>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - -inline -_LIBCPP_CONSTEXPR -complex<float>::complex(const complex<long double>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - -inline -_LIBCPP_CONSTEXPR -complex<double>::complex(const complex<float>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - -inline -_LIBCPP_CONSTEXPR -complex<double>::complex(const complex<long double>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - -inline -_LIBCPP_CONSTEXPR -complex<long double>::complex(const complex<float>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - -inline -_LIBCPP_CONSTEXPR -complex<long double>::complex(const complex<double>& __c) - : __re_(__c.real()), __im_(__c.imag()) {} - -// 26.3.6 operators: - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator+(const complex<_Tp>& __x, const complex<_Tp>& __y) -{ - complex<_Tp> __t(__x); - __t += __y; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator+(const complex<_Tp>& __x, const _Tp& __y) -{ - complex<_Tp> __t(__x); - __t += __y; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator+(const _Tp& __x, const complex<_Tp>& __y) -{ - complex<_Tp> __t(__y); - __t += __x; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator-(const complex<_Tp>& __x, const complex<_Tp>& __y) -{ - complex<_Tp> __t(__x); - __t -= __y; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator-(const complex<_Tp>& __x, const _Tp& __y) -{ - complex<_Tp> __t(__x); - __t -= __y; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator-(const _Tp& __x, const complex<_Tp>& __y) -{ - complex<_Tp> __t(-__y); - __t += __x; - return __t; -} - -template<class _Tp> -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 __ac = __a * __c; - _Tp __bd = __b * __d; - _Tp __ad = __a * __d; - _Tp __bc = __b * __c; - _Tp __x = __ac - __bd; - _Tp __y = __ad + __bc; - if (__libcpp_isnan_or_builtin(__x) && __libcpp_isnan_or_builtin(__y)) - { - bool __recalc = false; - if (__libcpp_isinf_or_builtin(__a) || __libcpp_isinf_or_builtin(__b)) - { - __a = copysign(__libcpp_isinf_or_builtin(__a) ? _Tp(1) : _Tp(0), __a); - __b = copysign(__libcpp_isinf_or_builtin(__b) ? _Tp(1) : _Tp(0), __b); - if (__libcpp_isnan_or_builtin(__c)) - __c = copysign(_Tp(0), __c); - if (__libcpp_isnan_or_builtin(__d)) - __d = copysign(_Tp(0), __d); - __recalc = true; - } - if (__libcpp_isinf_or_builtin(__c) || __libcpp_isinf_or_builtin(__d)) - { - __c = copysign(__libcpp_isinf_or_builtin(__c) ? _Tp(1) : _Tp(0), __c); - __d = copysign(__libcpp_isinf_or_builtin(__d) ? _Tp(1) : _Tp(0), __d); - if (__libcpp_isnan_or_builtin(__a)) - __a = copysign(_Tp(0), __a); - if (__libcpp_isnan_or_builtin(__b)) - __b = copysign(_Tp(0), __b); - __recalc = true; - } - if (!__recalc && (__libcpp_isinf_or_builtin(__ac) || __libcpp_isinf_or_builtin(__bd) || - __libcpp_isinf_or_builtin(__ad) || __libcpp_isinf_or_builtin(__bc))) - { - if (__libcpp_isnan_or_builtin(__a)) - __a = copysign(_Tp(0), __a); - if (__libcpp_isnan_or_builtin(__b)) - __b = copysign(_Tp(0), __b); - if (__libcpp_isnan_or_builtin(__c)) - __c = copysign(_Tp(0), __c); - if (__libcpp_isnan_or_builtin(__d)) - __d = copysign(_Tp(0), __d); - __recalc = true; - } - if (__recalc) - { - __x = _Tp(INFINITY) * (__a * __c - __b * __d); - __y = _Tp(INFINITY) * (__a * __d + __b * __c); - } - } - return complex<_Tp>(__x, __y); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator*(const complex<_Tp>& __x, const _Tp& __y) -{ - complex<_Tp> __t(__x); - __t *= __y; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator*(const _Tp& __x, const complex<_Tp>& __y) -{ - complex<_Tp> __t(__y); - __t *= __x; - return __t; -} - -template<class _Tp> -complex<_Tp> -operator/(const complex<_Tp>& __z, const complex<_Tp>& __w) -{ - int __ilogbw = 0; - _Tp __a = __z.real(); - _Tp __b = __z.imag(); - _Tp __c = __w.real(); - _Tp __d = __w.imag(); - _Tp __logbw = logb(fmax(fabs(__c), fabs(__d))); - if (__libcpp_isfinite_or_builtin(__logbw)) - { - __ilogbw = static_cast<int>(__logbw); - __c = scalbn(__c, -__ilogbw); - __d = scalbn(__d, -__ilogbw); - } - _Tp __denom = __c * __c + __d * __d; - _Tp __x = scalbn((__a * __c + __b * __d) / __denom, -__ilogbw); - _Tp __y = scalbn((__b * __c - __a * __d) / __denom, -__ilogbw); - if (__libcpp_isnan_or_builtin(__x) && __libcpp_isnan_or_builtin(__y)) - { - if ((__denom == _Tp(0)) && (!__libcpp_isnan_or_builtin(__a) || !__libcpp_isnan_or_builtin(__b))) - { - __x = copysign(_Tp(INFINITY), __c) * __a; - __y = copysign(_Tp(INFINITY), __c) * __b; - } - else if ((__libcpp_isinf_or_builtin(__a) || __libcpp_isinf_or_builtin(__b)) && __libcpp_isfinite_or_builtin(__c) && __libcpp_isfinite_or_builtin(__d)) - { - __a = copysign(__libcpp_isinf_or_builtin(__a) ? _Tp(1) : _Tp(0), __a); - __b = copysign(__libcpp_isinf_or_builtin(__b) ? _Tp(1) : _Tp(0), __b); - __x = _Tp(INFINITY) * (__a * __c + __b * __d); - __y = _Tp(INFINITY) * (__b * __c - __a * __d); - } - else if (__libcpp_isinf_or_builtin(__logbw) && __logbw > _Tp(0) && __libcpp_isfinite_or_builtin(__a) && __libcpp_isfinite_or_builtin(__b)) - { - __c = copysign(__libcpp_isinf_or_builtin(__c) ? _Tp(1) : _Tp(0), __c); - __d = copysign(__libcpp_isinf_or_builtin(__d) ? _Tp(1) : _Tp(0), __d); - __x = _Tp(0) * (__a * __c + __b * __d); - __y = _Tp(0) * (__b * __c - __a * __d); - } - } - return complex<_Tp>(__x, __y); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator/(const complex<_Tp>& __x, const _Tp& __y) -{ - return complex<_Tp>(__x.real() / __y, __x.imag() / __y); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator/(const _Tp& __x, const complex<_Tp>& __y) -{ - complex<_Tp> __t(__x); - __t /= __y; - return __t; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator+(const complex<_Tp>& __x) -{ - return __x; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -operator-(const complex<_Tp>& __x) -{ - return complex<_Tp>(-__x.real(), -__x.imag()); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -bool -operator==(const complex<_Tp>& __x, const complex<_Tp>& __y) -{ - return __x.real() == __y.real() && __x.imag() == __y.imag(); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -bool -operator==(const complex<_Tp>& __x, const _Tp& __y) -{ - return __x.real() == __y && __x.imag() == 0; -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -bool -operator==(const _Tp& __x, const complex<_Tp>& __y) -{ - return __x == __y.real() && 0 == __y.imag(); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -bool -operator!=(const complex<_Tp>& __x, const complex<_Tp>& __y) -{ - return !(__x == __y); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -bool -operator!=(const complex<_Tp>& __x, const _Tp& __y) -{ - return !(__x == __y); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -bool -operator!=(const _Tp& __x, const complex<_Tp>& __y) -{ - return !(__x == __y); -} - -// 26.3.7 values: - -template <class _Tp, bool = is_integral<_Tp>::value, - bool = is_floating_point<_Tp>::value - > -struct __libcpp_complex_overload_traits {}; - -// Integral Types -template <class _Tp> -struct __libcpp_complex_overload_traits<_Tp, true, false> -{ - typedef double _ValueType; - typedef complex<double> _ComplexType; -}; - -// Floating point types -template <class _Tp> -struct __libcpp_complex_overload_traits<_Tp, false, true> -{ - typedef _Tp _ValueType; - typedef complex<_Tp> _ComplexType; -}; - -// real - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -_Tp -real(const complex<_Tp>& __c) -{ - return __c.real(); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -typename __libcpp_complex_overload_traits<_Tp>::_ValueType -real(_Tp __re) -{ - return __re; -} - -// imag - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -_Tp -imag(const complex<_Tp>& __c) -{ - return __c.imag(); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 -typename __libcpp_complex_overload_traits<_Tp>::_ValueType -imag(_Tp) -{ - return 0; -} - -// abs - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -abs(const complex<_Tp>& __c) -{ - return hypot(__c.real(), __c.imag()); -} - -// arg - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -arg(const complex<_Tp>& __c) -{ - return atan2(__c.imag(), __c.real()); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if< - is_same<_Tp, long double>::value, - long double ->::type -arg(_Tp __re) -{ - return atan2l(0.L, __re); -} - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_integral<_Tp>::value || is_same<_Tp, double>::value, - double ->::type -arg(_Tp __re) -{ - return atan2(0., __re); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if< - is_same<_Tp, float>::value, - float ->::type -arg(_Tp __re) -{ - return atan2f(0.F, __re); -} - -// norm - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -_Tp -norm(const complex<_Tp>& __c) -{ - if (__libcpp_isinf_or_builtin(__c.real())) - return abs(__c.real()); - if (__libcpp_isinf_or_builtin(__c.imag())) - return abs(__c.imag()); - return __c.real() * __c.real() + __c.imag() * __c.imag(); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -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<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -conj(const complex<_Tp>& __c) -{ - return complex<_Tp>(__c.real(), -__c.imag()); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -typename __libcpp_complex_overload_traits<_Tp>::_ComplexType -conj(_Tp __re) -{ - typedef typename __libcpp_complex_overload_traits<_Tp>::_ComplexType _ComplexType; - return _ComplexType(__re); -} - - - -// proj - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -proj(const complex<_Tp>& __c) -{ - std::complex<_Tp> __r = __c; - if (__libcpp_isinf_or_builtin(__c.real()) || __libcpp_isinf_or_builtin(__c.imag())) - __r = complex<_Tp>(INFINITY, copysign(_Tp(0), __c.imag())); - return __r; -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_floating_point<_Tp>::value, - typename __libcpp_complex_overload_traits<_Tp>::_ComplexType ->::type -proj(_Tp __re) -{ - if (__libcpp_isinf_or_builtin(__re)) - __re = abs(__re); - return complex<_Tp>(__re); -} - -template <class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_integral<_Tp>::value, - typename __libcpp_complex_overload_traits<_Tp>::_ComplexType ->::type -proj(_Tp __re) -{ - typedef typename __libcpp_complex_overload_traits<_Tp>::_ComplexType _ComplexType; - return _ComplexType(__re); -} - -// polar - -template<class _Tp> -complex<_Tp> -polar(const _Tp& __rho, const _Tp& __theta = _Tp()) -{ - if (__libcpp_isnan_or_builtin(__rho) || signbit(__rho)) - return complex<_Tp>(_Tp(NAN), _Tp(NAN)); - if (__libcpp_isnan_or_builtin(__theta)) - { - if (__libcpp_isinf_or_builtin(__rho)) - return complex<_Tp>(__rho, __theta); - return complex<_Tp>(__theta, __theta); - } - if (__libcpp_isinf_or_builtin(__theta)) - { - if (__libcpp_isinf_or_builtin(__rho)) - return complex<_Tp>(__rho, _Tp(NAN)); - return complex<_Tp>(_Tp(NAN), _Tp(NAN)); - } - _Tp __x = __rho * cos(__theta); - if (__libcpp_isnan_or_builtin(__x)) - __x = 0; - _Tp __y = __rho * sin(__theta); - if (__libcpp_isnan_or_builtin(__y)) - __y = 0; - return complex<_Tp>(__x, __y); -} - -// log - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -log(const complex<_Tp>& __x) -{ - return complex<_Tp>(log(abs(__x)), arg(__x)); -} - -// log10 - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -log10(const complex<_Tp>& __x) -{ - return log(__x) / log(_Tp(10)); -} - -// sqrt - -template<class _Tp> -complex<_Tp> -sqrt(const complex<_Tp>& __x) -{ - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(_Tp(INFINITY), __x.imag()); - if (__libcpp_isinf_or_builtin(__x.real())) - { - if (__x.real() > _Tp(0)) - return complex<_Tp>(__x.real(), __libcpp_isnan_or_builtin(__x.imag()) ? __x.imag() : copysign(_Tp(0), __x.imag())); - return complex<_Tp>(__libcpp_isnan_or_builtin(__x.imag()) ? __x.imag() : _Tp(0), copysign(__x.real(), __x.imag())); - } - return polar(sqrt(abs(__x)), arg(__x) / _Tp(2)); -} - -// exp - -template<class _Tp> -complex<_Tp> -exp(const complex<_Tp>& __x) -{ - _Tp __i = __x.imag(); - if (__libcpp_isinf_or_builtin(__x.real())) - { - if (__x.real() < _Tp(0)) - { - if (!__libcpp_isfinite_or_builtin(__i)) - __i = _Tp(1); - } - else if (__i == 0 || !__libcpp_isfinite_or_builtin(__i)) - { - if (__libcpp_isinf_or_builtin(__i)) - __i = _Tp(NAN); - return complex<_Tp>(__x.real(), __i); - } - } - else if (__libcpp_isnan_or_builtin(__x.real()) && __x.imag() == 0) - return __x; - _Tp __e = exp(__x.real()); - return complex<_Tp>(__e * cos(__i), __e * sin(__i)); -} - -// pow - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -pow(const complex<_Tp>& __x, const complex<_Tp>& __y) -{ - return exp(__y * log(__x)); -} - -template<class _Tp, class _Up> -inline _LIBCPP_INLINE_VISIBILITY -complex<typename __promote<_Tp, _Up>::type> -pow(const complex<_Tp>& __x, const complex<_Up>& __y) -{ - typedef complex<typename __promote<_Tp, _Up>::type> result_type; - return _VSTD::pow(result_type(__x), result_type(__y)); -} - -template<class _Tp, class _Up> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_arithmetic<_Up>::value, - complex<typename __promote<_Tp, _Up>::type> ->::type -pow(const complex<_Tp>& __x, const _Up& __y) -{ - typedef complex<typename __promote<_Tp, _Up>::type> result_type; - return _VSTD::pow(result_type(__x), result_type(__y)); -} - -template<class _Tp, class _Up> -inline _LIBCPP_INLINE_VISIBILITY -typename enable_if -< - is_arithmetic<_Tp>::value, - complex<typename __promote<_Tp, _Up>::type> ->::type -pow(const _Tp& __x, const complex<_Up>& __y) -{ - typedef complex<typename __promote<_Tp, _Up>::type> result_type; - return _VSTD::pow(result_type(__x), result_type(__y)); -} - -// __sqr, computes pow(x, 2) - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -__sqr(const complex<_Tp>& __x) -{ - return complex<_Tp>((__x.real() - __x.imag()) * (__x.real() + __x.imag()), - _Tp(2) * __x.real() * __x.imag()); -} - -// asinh - -template<class _Tp> -complex<_Tp> -asinh(const complex<_Tp>& __x) -{ - const _Tp __pi(atan2(+0., -0.)); - if (__libcpp_isinf_or_builtin(__x.real())) - { - if (__libcpp_isnan_or_builtin(__x.imag())) - return __x; - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(__x.real(), copysign(__pi * _Tp(0.25), __x.imag())); - return complex<_Tp>(__x.real(), copysign(_Tp(0), __x.imag())); - } - if (__libcpp_isnan_or_builtin(__x.real())) - { - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(__x.imag(), __x.real()); - if (__x.imag() == 0) - return __x; - return complex<_Tp>(__x.real(), __x.real()); - } - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(copysign(__x.imag(), __x.real()), copysign(__pi/_Tp(2), __x.imag())); - complex<_Tp> __z = log(__x + sqrt(__sqr(__x) + _Tp(1))); - return complex<_Tp>(copysign(__z.real(), __x.real()), copysign(__z.imag(), __x.imag())); -} - -// acosh - -template<class _Tp> -complex<_Tp> -acosh(const complex<_Tp>& __x) -{ - const _Tp __pi(atan2(+0., -0.)); - if (__libcpp_isinf_or_builtin(__x.real())) - { - if (__libcpp_isnan_or_builtin(__x.imag())) - return complex<_Tp>(abs(__x.real()), __x.imag()); - if (__libcpp_isinf_or_builtin(__x.imag())) - { - if (__x.real() > 0) - return complex<_Tp>(__x.real(), copysign(__pi * _Tp(0.25), __x.imag())); - else - return complex<_Tp>(-__x.real(), copysign(__pi * _Tp(0.75), __x.imag())); - } - if (__x.real() < 0) - return complex<_Tp>(-__x.real(), copysign(__pi, __x.imag())); - return complex<_Tp>(__x.real(), copysign(_Tp(0), __x.imag())); - } - if (__libcpp_isnan_or_builtin(__x.real())) - { - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(abs(__x.imag()), __x.real()); - return complex<_Tp>(__x.real(), __x.real()); - } - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(abs(__x.imag()), copysign(__pi/_Tp(2), __x.imag())); - complex<_Tp> __z = log(__x + sqrt(__sqr(__x) - _Tp(1))); - return complex<_Tp>(copysign(__z.real(), _Tp(0)), copysign(__z.imag(), __x.imag())); -} - -// atanh - -template<class _Tp> -complex<_Tp> -atanh(const complex<_Tp>& __x) -{ - const _Tp __pi(atan2(+0., -0.)); - if (__libcpp_isinf_or_builtin(__x.imag())) - { - return complex<_Tp>(copysign(_Tp(0), __x.real()), copysign(__pi/_Tp(2), __x.imag())); - } - if (__libcpp_isnan_or_builtin(__x.imag())) - { - if (__libcpp_isinf_or_builtin(__x.real()) || __x.real() == 0) - return complex<_Tp>(copysign(_Tp(0), __x.real()), __x.imag()); - return complex<_Tp>(__x.imag(), __x.imag()); - } - if (__libcpp_isnan_or_builtin(__x.real())) - { - return complex<_Tp>(__x.real(), __x.real()); - } - if (__libcpp_isinf_or_builtin(__x.real())) - { - return complex<_Tp>(copysign(_Tp(0), __x.real()), copysign(__pi/_Tp(2), __x.imag())); - } - if (abs(__x.real()) == _Tp(1) && __x.imag() == _Tp(0)) - { - return complex<_Tp>(copysign(_Tp(INFINITY), __x.real()), copysign(_Tp(0), __x.imag())); - } - complex<_Tp> __z = log((_Tp(1) + __x) / (_Tp(1) - __x)) / _Tp(2); - return complex<_Tp>(copysign(__z.real(), __x.real()), copysign(__z.imag(), __x.imag())); -} - -// sinh - -template<class _Tp> -complex<_Tp> -sinh(const complex<_Tp>& __x) -{ - if (__libcpp_isinf_or_builtin(__x.real()) && !__libcpp_isfinite_or_builtin(__x.imag())) - return complex<_Tp>(__x.real(), _Tp(NAN)); - if (__x.real() == 0 && !__libcpp_isfinite_or_builtin(__x.imag())) - return complex<_Tp>(__x.real(), _Tp(NAN)); - if (__x.imag() == 0 && !__libcpp_isfinite_or_builtin(__x.real())) - return __x; - return complex<_Tp>(sinh(__x.real()) * cos(__x.imag()), cosh(__x.real()) * sin(__x.imag())); -} - -// cosh - -template<class _Tp> -complex<_Tp> -cosh(const complex<_Tp>& __x) -{ - if (__libcpp_isinf_or_builtin(__x.real()) && !__libcpp_isfinite_or_builtin(__x.imag())) - return complex<_Tp>(abs(__x.real()), _Tp(NAN)); - if (__x.real() == 0 && !__libcpp_isfinite_or_builtin(__x.imag())) - return complex<_Tp>(_Tp(NAN), __x.real()); - if (__x.real() == 0 && __x.imag() == 0) - return complex<_Tp>(_Tp(1), __x.imag()); - if (__x.imag() == 0 && !__libcpp_isfinite_or_builtin(__x.real())) - return complex<_Tp>(abs(__x.real()), __x.imag()); - return complex<_Tp>(cosh(__x.real()) * cos(__x.imag()), sinh(__x.real()) * sin(__x.imag())); -} - -// tanh - -template<class _Tp> -complex<_Tp> -tanh(const complex<_Tp>& __x) -{ - if (__libcpp_isinf_or_builtin(__x.real())) - { - if (!__libcpp_isfinite_or_builtin(__x.imag())) - return complex<_Tp>(_Tp(1), _Tp(0)); - return complex<_Tp>(_Tp(1), copysign(_Tp(0), sin(_Tp(2) * __x.imag()))); - } - if (__libcpp_isnan_or_builtin(__x.real()) && __x.imag() == 0) - return __x; - _Tp __2r(_Tp(2) * __x.real()); - _Tp __2i(_Tp(2) * __x.imag()); - _Tp __d(cosh(__2r) + cos(__2i)); - _Tp __2rsh(sinh(__2r)); - if (__libcpp_isinf_or_builtin(__2rsh) && __libcpp_isinf_or_builtin(__d)) - return complex<_Tp>(__2rsh > _Tp(0) ? _Tp(1) : _Tp(-1), - __2i > _Tp(0) ? _Tp(0) : _Tp(-0.)); - return complex<_Tp>(__2rsh/__d, sin(__2i)/__d); -} - -// asin - -template<class _Tp> -complex<_Tp> -asin(const complex<_Tp>& __x) -{ - complex<_Tp> __z = asinh(complex<_Tp>(-__x.imag(), __x.real())); - return complex<_Tp>(__z.imag(), -__z.real()); -} - -// acos - -template<class _Tp> -complex<_Tp> -acos(const complex<_Tp>& __x) -{ - const _Tp __pi(atan2(+0., -0.)); - if (__libcpp_isinf_or_builtin(__x.real())) - { - if (__libcpp_isnan_or_builtin(__x.imag())) - return complex<_Tp>(__x.imag(), __x.real()); - if (__libcpp_isinf_or_builtin(__x.imag())) - { - if (__x.real() < _Tp(0)) - return complex<_Tp>(_Tp(0.75) * __pi, -__x.imag()); - return complex<_Tp>(_Tp(0.25) * __pi, -__x.imag()); - } - if (__x.real() < _Tp(0)) - return complex<_Tp>(__pi, signbit(__x.imag()) ? -__x.real() : __x.real()); - return complex<_Tp>(_Tp(0), signbit(__x.imag()) ? __x.real() : -__x.real()); - } - if (__libcpp_isnan_or_builtin(__x.real())) - { - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(__x.real(), -__x.imag()); - return complex<_Tp>(__x.real(), __x.real()); - } - if (__libcpp_isinf_or_builtin(__x.imag())) - return complex<_Tp>(__pi/_Tp(2), -__x.imag()); - if (__x.real() == 0 && (__x.imag() == 0 || isnan(__x.imag()))) - return complex<_Tp>(__pi/_Tp(2), -__x.imag()); - complex<_Tp> __z = log(__x + sqrt(__sqr(__x) - _Tp(1))); - if (signbit(__x.imag())) - return complex<_Tp>(abs(__z.imag()), abs(__z.real())); - return complex<_Tp>(abs(__z.imag()), -abs(__z.real())); -} - -// atan - -template<class _Tp> -complex<_Tp> -atan(const complex<_Tp>& __x) -{ - complex<_Tp> __z = atanh(complex<_Tp>(-__x.imag(), __x.real())); - return complex<_Tp>(__z.imag(), -__z.real()); -} - -// sin - -template<class _Tp> -complex<_Tp> -sin(const complex<_Tp>& __x) -{ - complex<_Tp> __z = sinh(complex<_Tp>(-__x.imag(), __x.real())); - return complex<_Tp>(__z.imag(), -__z.real()); -} - -// cos - -template<class _Tp> -inline _LIBCPP_INLINE_VISIBILITY -complex<_Tp> -cos(const complex<_Tp>& __x) -{ - return cosh(complex<_Tp>(-__x.imag(), __x.real())); -} - -// tan - -template<class _Tp> -complex<_Tp> -tan(const complex<_Tp>& __x) -{ - complex<_Tp> __z = tanh(complex<_Tp>(-__x.imag(), __x.real())); - return complex<_Tp>(__z.imag(), -__z.real()); -} - -template<class _Tp, class _CharT, class _Traits> -basic_istream<_CharT, _Traits>& -operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x) -{ - if (__is.good()) - { - ws(__is); - if (__is.peek() == _CharT('(')) - { - __is.get(); - _Tp __r; - __is >> __r; - if (!__is.fail()) - { - ws(__is); - _CharT __c = __is.peek(); - if (__c == _CharT(',')) - { - __is.get(); - _Tp __i; - __is >> __i; - if (!__is.fail()) - { - ws(__is); - __c = __is.peek(); - if (__c == _CharT(')')) - { - __is.get(); - __x = complex<_Tp>(__r, __i); - } - else - __is.setstate(ios_base::failbit); - } - else - __is.setstate(ios_base::failbit); - } - else if (__c == _CharT(')')) - { - __is.get(); - __x = complex<_Tp>(__r, _Tp(0)); - } - else - __is.setstate(ios_base::failbit); - } - else - __is.setstate(ios_base::failbit); - } - else - { - _Tp __r; - __is >> __r; - if (!__is.fail()) - __x = complex<_Tp>(__r, _Tp(0)); - else - __is.setstate(ios_base::failbit); - } - } - else - __is.setstate(ios_base::failbit); - return __is; -} - -template<class _Tp, class _CharT, class _Traits> -basic_ostream<_CharT, _Traits>& -operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x) -{ - basic_ostringstream<_CharT, _Traits> __s; - __s.flags(__os.flags()); - __s.imbue(__os.getloc()); - __s.precision(__os.precision()); - __s << '(' << __x.real() << ',' << __x.imag() << ')'; - return __os << __s.str(); -} - -#if _LIBCPP_STD_VER > 11 -// Literal suffix for complex number literals [complex.literals] -inline namespace literals -{ - inline namespace complex_literals - { - constexpr complex<long double> operator""il(long double __im) - { - return { 0.0l, __im }; - } - - constexpr complex<long double> operator""il(unsigned long long __im) - { - return { 0.0l, static_cast<long double>(__im) }; - } - - - constexpr complex<double> operator""i(long double __im) - { - return { 0.0, static_cast<double>(__im) }; - } - - constexpr complex<double> operator""i(unsigned long long __im) - { - return { 0.0, static_cast<double>(__im) }; - } - - - constexpr complex<float> operator""if(long double __im) - { - return { 0.0f, static_cast<float>(__im) }; - } - - constexpr complex<float> operator""if(unsigned long long __im) - { - return { 0.0f, static_cast<float>(__im) }; - } - } -} -#endif - -_LIBCPP_END_NAMESPACE_STD - -#endif // _LIBCPP_COMPLEX |