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// complex standard header #ifndef _COMPLEX_ #define _COMPLEX_ #include <ymath.h> #include <cmath> #include <sstream> #include <xutility>
#ifdef _MSC_VER #pragma pack(push,8) #endif /* _MSC_VER */ _STD_BEGIN #define __STD_COMPLEX // TEMPLATE CLASS _Ctr template<class _Ty> class _Ctr { public: static _Ty _Cosh(_Ty _X, _Ty _Y) {return (::_Cosh((double)_X, (double)_Y)); } static short _Exp(_Ty *_P, _Ty _Y, short _E) {double _W = (double)*_P; short _Ans = ::_Exp(&_W, (double)_Y, _E); *_P = (_Ty)_W; return (_Ans); } static _Ty _Infv(_Ty) {return (_Inf._D); } static bool _Isinf(_Ty _X) {double _W = (double)_X; return (_Dtest(&_W) == _INFCODE); } static bool _Isnan(_Ty _X) {double _W = (double)_X; return (_Dtest(&_W) == _NANCODE); } static _Ty _Nanv(_Ty) {return (_Nan._D); } static _Ty _Sinh(_Ty _X, _Ty _Y) {return (::_Sinh((double)_X, (double)_Y)); } static _Ty atan2(_Ty _Y, _Ty _X) {return (::atan2((double)_Y, (double)_X)); } static _Ty cos(_Ty _X) {return (::cos((double)_X)); } static _Ty exp(_Ty _X) {return (::exp((double)_X)); } static _Ty ldexp(_Ty _R, int _E) {return (::ldexp((double)_R, _E)); } static _Ty log(_Ty _X) {return (::log((double)_X)); } static _Ty pow(_Ty _X, _Ty _Y) {return (::pow((double)_X, (double)_Y)); } static _Ty sin(_Ty _X) {return (::sin((double)_X)); } static _Ty sqrt(_Ty _X) {return (::sqrt((double)_X)); } }; // CLASS _Ctr<long double> class _CRTIMP _Ctr<long double> { public: typedef long double _Ty; static _Ty _Cosh(_Ty _X, _Ty _Y) {return (_LCosh(_X, _Y)); } static short _Exp(_Ty *_P, _Ty _Y, short _E) {return (_LExp(_P, _Y, _E)); } static _Ty _Infv(_Ty) {return (_LInf._L); } static bool _Isinf(_Ty _X) {return (_LDtest(&_X) == _INFCODE); } static bool _Isnan(_Ty _X) {return (_LDtest(&_X) == _NANCODE); } static _Ty _Nanv(_Ty) {return (_LNan._L); } static _Ty _Sinh(_Ty _X, _Ty _Y) {return (_LSinh(_X, _Y)); } static _Ty atan2(_Ty _Y, _Ty _X) {return (atan2l(_Y, _X)); } static _Ty cos(_Ty _X) {return (cosl(_X)); } static _Ty exp(_Ty _X) {return (expl(_X)); } static _Ty ldexp(_Ty _R, int _E) {return (ldexpl(_R, _E)); } static _Ty log(_Ty _X) {return (logl(_X)); } static _Ty pow(_Ty _X, _Ty _Y) {return (powl(_X, _Y)); } static _Ty sin(_Ty _X) {return (sinl(_X)); } static _Ty sqrt(_Ty _X) {return (sqrtl(_X)); } }; // CLASS _Ctr<double> class _CRTIMP _Ctr<double> { public: typedef double _Ty; static _Ty _Cosh(_Ty _X, _Ty _Y) {return (::_Cosh(_X, _Y)); } static short _Exp(_Ty *_P, _Ty _Y, short _E) {return (::_Exp(_P, _Y, _E)); } static _Ty _Infv(_Ty) {return (_Inf._D); } static bool _Isinf(_Ty _X) {return (_Dtest(&_X) == _INFCODE); } static bool _Isnan(_Ty _X) {return (_Dtest(&_X) == _NANCODE); } static _Ty _Nanv(_Ty) {return (_Nan._D); } static _Ty _Sinh(_Ty _X, _Ty _Y) {return (::_Sinh(_X, _Y)); } static _Ty atan2(_Ty _Y, _Ty _X) {return (::atan2(_Y, _X)); } static _Ty cos(_Ty _X) {return (::cos(_X)); } static _Ty exp(_Ty _X) {return (::exp(_X)); } static _Ty ldexp(_Ty _R, int _E) {return (::ldexp(_R, _E)); } static _Ty log(_Ty _X) {return (::log(_X)); } static _Ty pow(_Ty _X, _Ty _Y) {return (::pow(_X, _Y)); } static _Ty sin(_Ty _X) {return (::sin(_X)); } static _Ty sqrt(_Ty _X) {return (::sqrt(_X)); } }; class _CRTIMP _Ctr<float> { public: typedef float _Ty; static _Ty _Cosh(_Ty _X, _Ty _Y) {return (_FCosh(_X, _Y)); } static short _Exp(_Ty *_P, _Ty _Y, short _E) {return (_FExp(_P, _Y, _E)); } static _Ty _Infv(_Ty) {return (_FInf._F); } static bool _Isinf(_Ty _X) {return (_FDtest(&_X) == _INFCODE); } static bool _Isnan(_Ty _X) {return (_FDtest(&_X) == _NANCODE); } static _Ty _Nanv(_Ty) {return (_FNan._F); } static _Ty _Sinh(_Ty _X, _Ty _Y) {return (_FSinh(_X, _Y)); } static _Ty atan2(_Ty _Y, _Ty _X) {return (atan2f(_Y, _X)); } static _Ty cos(_Ty _X) {return (cosf(_X)); } static _Ty exp(_Ty _X) {return (expf(_X)); } static _Ty ldexp(_Ty _R, int _E) {return (ldexpf(_R, _E)); } static _Ty log(_Ty _X) {return (logf(_X)); } static _Ty pow(_Ty _X, _Ty _Y) {return (powf(_X, _Y)); } static _Ty sin(_Ty _X) {return (sinf(_X)); } static _Ty sqrt(_Ty _X) {return (sqrtf(_X)); } }; // TEMPLATE CLASS _Complex_base template<class _Ty> class complex; class _CRTIMP complex<float>; class _CRTIMP complex<double>; class _CRTIMP complex<long double>; template<class _Ty> class _Complex_base { public: typedef _Complex_base<_Ty> _Myt; typedef _Ctr<_Ty> _Myctr; typedef _Ty value_type; _Complex_base(const _Ty& _R, const _Ty& _I) : _Re(_R), _Im(_I) {} _Myt& operator+=(const _Ty& _X) {_Re = _Re + _X; return (*this); } _Myt& operator-=(const _Ty& _X) {_Re = _Re - _X; return (*this); } _Myt& operator*=(const _Ty& _X) {_Re = _Re * _X; _Im = _Im * _X; return (*this); } _Myt& operator/=(const _Ty& _X) {_Re = _Re / _X; _Im = _Im / _X; return (*this); } _Ty real(const _Ty& _X) {return (_Re = _X); } _Ty imag(const _Ty& _X) {return (_Im = _X); } _Ty real() const {return (_Re); } _Ty imag() const {return (_Im); } protected: _Ty _Re, _Im; };
// CLASS complex<float> class _CRTIMP complex<float> : public _Complex_base<float> { public: typedef float _Ty; explicit complex(const complex<double>&); explicit complex(const complex<long double>&); complex(const _Ty& _R = 0, const _Ty& _I = 0) : _Complex_base<_Ty>(_R, _I) {} complex<_Ty>& operator=(const _Ty& _X) {_Re = _X; _Im = 0; return (*this); } }; // CLASS complex<double> class _CRTIMP complex<double> : public _Complex_base<double> { public: typedef double _Ty; complex(const complex<float>&); explicit complex(const complex<long double>&); complex(const _Ty& _R = 0, const _Ty& _I = 0) : _Complex_base<_Ty>(_R, _I) {} complex<_Ty>& operator=(const _Ty& _X) {_Re = _X; _Im = 0; return (*this); } }; // CLASS complex<long double> class _CRTIMP complex<long double> : public _Complex_base<long double> { public: typedef long double _Ty; complex(const complex<float>&); complex(const complex<double>&); complex(const _Ty& _R = 0, const _Ty& _I = 0) : _Complex_base<_Ty>(_R, _I) {} complex<_Ty>& operator=(const _Ty& _X) {_Re = _X; _Im = 0; return (*this); } }; // CONSTRUCTORS FOR complex SPECIALIZATIONS inline complex<float>::complex(const complex<double>& _X) : _Complex_base<float>((_Ty)_X.real(), (_Ty)_X.imag()) {} inline complex<float>::complex(const complex<long double>& _X) : _Complex_base<float>((_Ty)_X.real(), (_Ty)_X.imag()) {} inline complex<double>::complex(const complex<float>& _X) : _Complex_base<double>((_Ty)_X.real(), (_Ty)_X.imag()) {} inline complex<double>::complex(const complex<long double>& _X) : _Complex_base<double>((_Ty)_X.real(), (_Ty)_X.imag()) {} inline complex<long double>::complex(const complex<float>& _X) : _Complex_base<long double>((_Ty)_X.real(), (_Ty)_X.imag()) {} inline complex<long double>::complex(const complex<double>& _X) : _Complex_base<long double>((_Ty)_X.real(), (_Ty)_X.imag()) {} // TEMPLATE CLASS complex template<class _Ty> class complex : public _Complex_base<_Ty> { public: complex(const _Ty& _R = 0, const _Ty& _I = 0) : _Complex_base<_Ty>(_R, _I) {} typedef _Ty _U; complex(const complex<_U>& _X) : _Complex_base<_Ty>((_Ty)_X.real(), (_Ty)_X.imag()) {} complex<_Ty>& operator=(const complex<_U>& _X) {_Re = (_Ty)_X.real(); _Im = (_Ty)_X.imag(); return (*this); } }; // TEMPLATE complex OPERATORS template<class _Ty, class _U> inline complex<_Ty>& __cdecl operator+=( complex<_Ty>& _X, const complex<_U>& _Y) {_X.real(_X.real() + (_Ty)_Y.real()); _X.imag(_X.imag() + (_Ty)_Y.imag()); return (_X); } template<class _Ty, class _U> inline complex<_Ty>& __cdecl operator-=( complex<_Ty>& _X, const complex<_U>& _Y) {_X.real(_X.real() - (_Ty)_Y.real()); _X.imag(_X.imag() - (_Ty)_Y.imag()); return (_X); } template<class _Ty, class _U> inline complex<_Ty>& __cdecl operator*=( complex<_Ty>& _X, const complex<_U>& _Y) {_Ty _Yre = (_Ty)_Y.real(); _Ty _Yim = (_Ty)_Y.imag(); _Ty _W = _X.real() * _Yre - _X.imag() * _Yim; _X.imag(_X.real() * _Yim + _X.imag() * _Yre); _X.real(_W); return (_X); } template<class _Ty, class _U> inline complex<_Ty>& __cdecl operator/=( complex<_Ty>& _X, const complex<_U>& _Y) {typedef _Ctr<_Ty> _Myctr; _Ty _Yre = (_Ty)_Y.real(); _Ty _Yim = (_Ty)_Y.imag(); if (_Myctr::_Isnan(_Yre) || _Myctr::_Isnan(_Yim)) _X.real(_Myctr::_Nanv(_Yre)), _X.imag(_X.real()); else if ((_Yim < 0 ? -_Yim : +_Yim) < (_Yre < 0 ? -_Yre : +_Yre)) {_Ty _Wr = _Yim / _Yre; _Ty _Wd = _Yre + _Wr * _Yim; if (_Myctr::_Isnan(_Wd) || _Wd == 0) _X.real(_Myctr::_Nanv(_Yre)), _X.imag(_X.real()); else {_Ty _W = (_X.real() + _X.imag() * _Wr) / _Wd; _X.imag((_X.imag() - _X.real() * _Wr) / _Wd); _X.real(_W); }} else if (_Yim == 0) _X.real(_Myctr::_Nanv(_Yre)), _X.imag(_X.real()); else {_Ty _Wr = _Yre / _Yim; _Ty _Wd = _Yim + _Wr * _Yre; if (_Myctr::_Isnan(_Wd) || _Wd == 0) _X.real(_Myctr::_Nanv(_Yre)), _X.imag(_X.real()); else {_Ty _W = (_X.real() * _Wr + _X.imag()) / _Wd; _X.imag((_X.imag() * _Wr - _X.real()) / _Wd); _X.real(_W); }} return (_X); } // TEMPLATE FUNCTION operator>> template<class _E, class _Tr, class _U> inline basic_istream<_E, _Tr>& __cdecl operator>>( basic_istream<_E, _Tr>& _I, complex<_U>& _X) {typedef complex<_U> _Myt; _E _Ch; long double _Re, _Im; if (_I >> _Ch && _Ch != _WIDEN(_E, '(')) _I.putback(_Ch), _I >> _Re, _Im = 0; else if (_I >> _Re >> _Ch && _Ch != _WIDEN(_E, ',')) if (_Ch == _WIDEN(_E, ')')) _Im = 0; else _I.putback(_Ch), _I.setstate(ios_base::failbit); else if (_I >> _Im >> _Ch && _Ch != _WIDEN(_E, ')')) _I.putback(_Ch), _I.setstate(ios_base::failbit); if (!_I.fail()) _X = _Myt((_U)_Re, (_U)_Im); return (_I); } // TEMPLATE FUNCTION operator<< template<class _E, class _Tr, class _U> inline basic_ostream<_E, _Tr>& __cdecl operator<<( basic_ostream<_E, _Tr>& _O, const complex<_U>& _X) {basic_ostringstream<_E, _Tr, allocator<_E> > _S; _S.flags(_O.flags()); _S.imbue(_O.getloc()); _S.precision(_O.precision()); _S << _WIDEN(_E, '(') << real(_X) << _WIDEN(_E, ',') << imag(_X) << _WIDEN(_E, ')'); return (_O << _S.str().c_str()); } #define _CMPLX(T) complex<T > #define _CTR(T) _Ctr<T > #define _TMPLT(T) template<class T > #include <xcomplex> _STD_END #ifdef _MSC_VER #pragma pack(pop) #endif /* _MSC_VER */
#endif /* _COMPLEX_ */
/* * Copyright (c) 1994 by P.J. Plauger. ALL RIGHTS RESERVED. * Consult your license regarding permissions and restrictions. */
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