/* Copyright (C) 2004 Garrett A. Kajmowicz
This file is part of the uClibc++ Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <istream>
#include <ostream>
#ifndef __STD_HEADER_COMPLEX
#define __STD_HEADER_COMPLEX 1
namespace std {
// class complex<float>;
// class complex<double>;
// class complex<long double>;
template<class T> class _UCXXEXPORT complex{
public:
typedef T value_type;
complex(const T& re = T(), const T& im = T()) : r(re), i(im) { }
complex(const complex& c): r(c.r), i(c.i){ }
template<class X> complex(const complex<X>& c): r(c.r), i(c.i){ }
inline T real() const{
return r;
}
inline T imag() const{
return i;
}
complex<T>& operator= (const T& v){
r = v;
i = 0;
return *this;
}
complex<T>& operator+=(const T& v){
r +=v;
return *this;
}
complex<T>& operator-=(const T& v){
r -=v;
return *this;
}
complex<T>& operator*=(const T& v){
r*=v;
i*=v;
return *this;
}
complex<T>& operator/=(const T& v){
r/=v;
i/=v;
return *this;
}
complex& operator=(const complex& v){
if(&v != this){
r = v.r;
i = v.i;
}
return *this;
}
template<class X> complex<T>& operator= (const complex<X>& v){
r = v.r;
i = v.i;
return *this;
}
template<class X> complex<T>& operator+=(const complex<X>& v){
r+=v.r;
i+=v.i;
return *this;
}
template<class X> complex<T>& operator-=(const complex<X>& v){
r-=v.r;
i-=v.i;
return *this;
}
template<class X> complex<T>& operator*=(const complex<X>& v){
T tempr = r*v.r - i*v.i;
T tempi = r*v.i + i*v.r;
r = tempr;
i = tempi;
return *this;
}
template<class X> complex<T>& operator/=(const complex<X>& v){
T tempr = (r*v.r + i*v.i) / (v.r*v.r + v.i*v.i);
T tempi = (i*v.r - r*v.i) / (v.r*v.r + v.i*v.i);
r = tempr;
i = tempi;
return *this;
}
private:
T r;
T i;
};
template<class T> _UCXXEXPORT complex<T> operator+(const complex<T>& ls, const complex<T>& rs){
complex<T> retval(ls);
retval += rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator+(const complex<T>& ls, const T& rs){
complex<T> retval(ls);
ls += rs;
return retval;
}
template<class T> _UCXXEXPORT inline complex<T> operator+(const T& ls, const complex<T>& rs){
return rs + ls;
}
template<class T> _UCXXEXPORT complex<T> operator-(const complex<T>& ls, const complex<T>& rs){
complex<T> retval(ls);
retval -= rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator-(const complex<T>& ls, const T& rs){
complex<T> retval(ls);
retval -= rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator-(const T& ls, const complex<T>& rs){
complex<T> retval(ls);
retval -= rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator*(const complex<T>& ls, const complex<T>& rs){
complex<T> retval(ls);
retval *= rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator*(const complex<T>& ls, const T& rs){
complex<T> retval(ls);
retval *= rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator*(const T& ls, const complex<T>& rs){
complex<T> retval(ls);
retval *=rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator/(const complex<T>& ls, const complex<T>& rs){
complex<T> retval(ls);
retval/=rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator/(const complex<T>& ls, const T& rs){
complex<T> retval(ls);
retval/=rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator/(const T& ls, const complex<T>& rs){
complex<T> retval(ls);
retval/=rs;
return retval;
}
template<class T> _UCXXEXPORT complex<T> operator+(const complex<T>& v){
return v;
}
template<class T> _UCXXEXPORT complex<T> operator-(const complex<T>& v){
return complex<T> (-v.real(), -v.imag());
}
template<class T> _UCXXEXPORT bool operator==(const complex<T>& ls, const complex<T>& rs){
if( ls.real() == rs.real() && ls.imag() == rs.image()){
return true;
}
return false;
}
template<class T> _UCXXEXPORT bool operator==(const complex<T>& ls, const T& rs){
if(ls.real() == rs && ls.imag() == T()){
return true;
}
return false;
}
template<class T> _UCXXEXPORT bool operator==(const T& ls, const complex<T>& rs){
if(ls == rs.real() && rs.imag() == T()){
return true;
}
return false;
}
template<class T> _UCXXEXPORT bool operator!=(const complex<T>& ls, const complex<T>& rs){
if(ls == rs){
return false;
}
return true;
}
template<class T> _UCXXEXPORT bool operator!=(const complex<T>& ls, const T& rs){
if(ls == rs){
return false;
}
return true;
}
template<class T> _UCXXEXPORT bool operator!=(const T& ls, const complex<T>& rs){
if(ls == rs){
return false;
}
return true;
}
template<class T, class charT, class traits> _UCXXEXPORT basic_istream<charT, traits>&
operator>>(basic_istream<charT, traits>& is, complex<T>& v)
{
T tempr;
T tempi;
is >> tempr;
is.get();
is >> tempi;
v = complex<T>(tempr, tempi);
return is;
}
template<class T, class charT, class traits> _UCXXEXPORT basic_ostream<charT, traits>&
operator<<(basic_ostream<charT, traits>& os, const complex<T>&v)
{
os << v.real() << ", " << v.imag();
return os;
}
template<class T> _UCXXEXPORT T real(const complex<T>& v){
return v.real();
}
template<class T> _UCXXEXPORT T imag(const complex<T>& v){
return v.imag();
}
template<class T> _UCXXEXPORT T norm(const complex<T>& v){
return (v.real() * v.real() + v.imag() * v.imag());
}
template<class T> _UCXXEXPORT complex<T> conj(const complex<T>& v){
return complex<T>(v.real(), -v.imag());
}
#ifdef __UCLIBCXX_SUPPORT_MATH__ //Can we link with libm?
template<class T> _UCXXEXPORT T abs(const complex<T>& v){
return sqrt(v.real() * v.real() + v.imag() * v.imag());
}
template<class T> _UCXXEXPORT T arg(const complex<T>& v){
return atan2(v.imag(), v.real());
}
template<class T> _UCXXEXPORT complex<T> polar(const T& rho, const T& theta){
return complex<T>(rho * cos(theta), rho * sin(theta));
}
template<class T> _UCXXEXPORT complex<T> cos (const complex<T>& v){
return complex<T>(cos(v.real()) * cosh(v.imag()), -sin(v.real()) * sinh(v.imag()));
}
template<class T> _UCXXEXPORT complex<T> cosh (const complex<T>& v){
return complex<T>(cosh(v.real()) * cos(v.imag()), sinh(v.real()) * sin(v.imag()));
}
template<class T> _UCXXEXPORT complex<T> exp (const complex<T>& v){
return polar(exp(v.real()), v.imag());
}
template<class T> _UCXXEXPORT complex<T> log (const complex<T>& v){
return complex<T>(log(abs(v)), arg(v));
}
template<class T> _UCXXEXPORT complex<T> log10(const complex<T>& v){
return (log(v) / log(T(10.0)));
}
template<class T> _UCXXEXPORT complex<T> pow(const complex<T>& v, int p){
T rho = pow(abs(v), p);
T theta = arg(v);
return complex<T>(rho * cos(p * theta), rho * sin(p * theta) );
}
template<class T> _UCXXEXPORT complex<T> pow(const complex<T>& v, const T& p){
return polar( pow(abs(v),p), arg(v)*p );
}
template<class T> _UCXXEXPORT complex<T> pow(const complex<T>& v, const complex<T>& p){
if(v == T()){
//We are using "0" as the value
return T();
}
return exp(p * log(v));
}
template<class T> _UCXXEXPORT complex<T> pow(const T& v, const complex<T>& p){
if(v == T()){
return T();
}
return polar(pow(v,p.real()), y.imag() * log(x) );
}
template<class T> _UCXXEXPORT complex<T> sin (const complex<T>& v){
return complex<T>(sin(v.real()) * cosh(v.imag()), cosh(v.real()) * sin(v.imag()));
}
template<class T> _UCXXEXPORT complex<T> sinh (const complex<T>& v){
return complext<T>(sinh(v.real()) * cos(v.imag()), cosh(v.real()) * sin(v.imag()) );
}
template<class T> _UCXXEXPORT complex<T> sqrt (const complex<T>&);
template<class T> _UCXXEXPORT complex<T> tan (const complex<T>& v){
return sin(v) / cos(v);
}
template<class T> _UCXXEXPORT complex<T> tanh (const complex<T>& v){
return sinh(v) / cosh(v);
}
#endif
}
#endif
