# Implementation of C + + complex complex class

Source: Internet
Author: User

#include "Std_lib_facilities.h"

using namespace Std;

Class Complex
{
Private
Double Real;
Double imag;
Public
Complex () {real=0;imag=1;}
Complex (Double r,double i): Real (R), Imag (i) {}
Complex (const Complex &tmp): Real (Tmp.real), Imag (Tmp.imag) {}
void Set_real (double R);
void Set_imag (double i);
void Set_complex (double r,double i);
Double get_real () const;
Double Get_imag () const;
complex& operator+= (const Complex &tmp);
complex& operator+= (const double R);
complex& operator-= (const Complex &tmp);
complex& operator-= (const double R);
complex& operator= (const Complex &tmp);
complex& operator= (const double R);
BOOL operator== (const Complex &tmp) const;
BOOL Operator>= (const Complex &tmp) const;
BOOL Operator<= (const Complex &tmp) const;
BOOL Operator!= (const Complex &tmp) const;
BOOL Operator> (const Complex &tmp) const;
BOOL operator< (const Complex &tmp) const;
Double operator! ();
Friend Complex operator+ (const Complex &tmp,const Complex &temp);
Friend Complex operator+ (const Complex &tmp,const double R);
Friend Complex operator+ (const double r,const Complex &tmp);
Friend Complex operator-(const Complex &tmp,const Complex &temp);
Friend Complex operator-(const Complex &tmp,const double R);
Friend Complex operator-(const double r,const Complex &tmp);
Friend Complex operator* (const Complex &tmp,const Complex &temp);
Friend Complex operator* (const Complex &tmp,const double R);
Friend Complex operator* (const double r,const Complex &tmp);
Friend Complex operator/(const Complex &tmp,const Complex &temp);
Friend Complex operator/(const Complex &tmp,const double R);
Friend Complex operator/(const double r,const Complex &tmp);
Friend istream& operator>> (IStream &is, Complex &tmp);
Friend ostream& operator<< (ostream &os,const Complex &tmp);
};

int main ()
{
Complex p (n);
Complex Q (2,2);
Complex T (3,3);
Double test;

cout << p+q;
cout << p-q;
cout << p*q;
cout << p/q;
Test= (!P);
cout << test << Endl;
cout << (p==q) << Endl;
cout << (p!=q) << Endl;
cout << (p>=q) << Endl;
cout << (p>q) << Endl;
cout << (p<q) << Endl;
cout << (p<=q) << Endl;
t+=q;
cout << t;
T-=p;
cout << t;
cout << 10+p;
cout << p+10;
cout << 10-p;
cout << p-10;
cout << 10*p;
cout << p*10;
cout << 10/p;
cout << P/10;
CIN >> T;
cout << t;
return 0;
}

void Complex::set_real (Double R)
{
Real=r;
Return
}

void Complex::set_imag (double i)
{
Imag=i;
Return
}

void Complex::set_complex (double r,double i)
{
Real=r;
Imag=i;
Return
}

Inline double complex::get_real () const
{
return (real);
}

Inline double Complex::get_imag () const
{
return (IMAG);
}

Inline complex& complex::operator+= (const complex& TMP)
{
Real+=tmp.real;
Imag+=tmp.imag;
return *this;
}

Inline complex& complex::operator+= (double R)
{
Real+=r;
return *this;
}

Inline complex& complex::operator-= (const complex& TMP)
{
Real-=tmp.real;
Imag-=tmp.imag;
return *this;
}

Inline complex& complex::operator-= (double R)
{
Real-=r;
return *this;
}

Inline complex& complex::operator= (const complex& TMP)
{
Real=tmp.real;
Imag=tmp.imag;
return *this;
}

Inline complex& complex::operator= (double R)
{
Real=r;
imag=0;
return *this;
}

Inline Complex operator+ (const Complex &tmp,const Complex &temp)
{
Complex result;
Result.real=tmp.real+temp.real;
Result.imag=tmp.imag+temp.imag;
return result;
}

Inline Complex operator+ (const Complex &tmp,const double R)
{
Complex result;
Result.real=tmp.real+r;
Result.imag=tmp.imag;
return result;
}

Inline Complex operator+ (const double r,const Complex &tmp)
{
Complex result;
Result.real=r+tmp.real;
Result.imag=tmp.imag;
return result;
}

Inline Complex operator-(const Complex &tmp,const Complex &temp)
{
Complex result;
Result.real=tmp.real-temp.real;
Result.imag=tmp.imag-temp.imag;
return result;
}

Inline Complex operator-(const Complex &tmp,const double R)
{
Complex result;
Result.real=tmp.real-r;
Result.imag=tmp.imag;
return result;
}

Inline Complex operator-(const double r,const Complex &tmp)
{
Complex result;
Result.real=r-tmp.real;
Result.imag=0-tmp.imag;
return result;
}

Inline Complex operator* (const Complex &tmp,const complex& Temp)
{
Complex result;
Result.real=temp.real*tmp.real-temp.imag*tmp.imag;
Result.imag=temp.real*tmp.imag+temp.imag*tmp.real;
return result;
}

Inline Complex operator* (const Complex &tmp,const double R)
{
Complex result;
Result.real=tmp.real*r;
Result.imag=tmp.imag*r;
return result;
}

Inline Complex operator* (const double r,const Complex &tmp)
{
Complex result;
Result.real=r*tmp.real;
Result.imag=r*tmp.imag;
return result;
}

Inline Complex operator/(const Complex &tmp,const Complex &temp)
{
Complex result;
if (temp.real==0&&temp.imag==0)
{
cout << "error!" << Endl;
return result;
}
Result.real= (Tmp.real*temp.real+tmp.imag*temp.imag)/(TEMP.REAL*TEMP.REAL+TEMP.IMAG*TEMP.IMAG);
result.imag= (Tmp.imag*temp.real-tmp.real*temp.imag)/(TEMP.REAL*TEMP.REAL+TEMP.IMAG*TEMP.IMAG);
return result;
}

Inline Complex operator/(const Complex &tmp,const double R)
{
Complex result;
if (r==0)
{
cout << "error!" << Endl;
return result;
}
RESULT.REAL=TMP.REAL/R;
RESULT.IMAG=TMP.IMAG/R;
return result;
}

Inline Complex operator/(const double r,const Complex &tmp)
{
Complex result;
if (tmp.real==0&&tmp.imag==0)
{
cout << "error" << Endl;
return result;
}
result.real=r*tmp.real/(TMP.REAL*TMP.REAL+TMP.IMAG*TMP.IMAG);
result.imag= (0-r*tmp.imag)/(TMP.REAL*TMP.REAL+TMP.IMAG+TMP.IMAG);
return result;
}

Inline Double complex::operator! ()
{
return sqrt (REAL*REAL+IMAG*IMAG);
}

inline bool complex::operator== (const Complex &tmp) const
{
if (REAL==TMP.REAL&AMP;&AMP;IMAG==TMP.IMAG)
return true;
Else
return false;
}

inline bool complex::operator!= (const Complex &tmp) const
{
if (*this==tmp)
return false;
Else
return true;
}

inline bool complex::operator>= (const Complex &tmp) const
{
if ((Real*real+imag*imag) >= (Tmp.real*tmp.real+tmp.imag*tmp.imag))
return true;
Else
return false;
}

inline bool complex::operator> (const Complex &tmp) const
{
if ((Real*real+imag*imag) > (TMP.REAL*TMP.REAL+TMP.IMAG*TMP.IMAG))
return true;
Else
return false;
}

inline bool complex::operator<= (const Complex &tmp) const
{
if ((Real*real+imag*imag) <= (Tmp.real*tmp.real+tmp.imag*tmp.imag))
return true;
Else
return false;
}

inline bool complex::operator< (const Complex &tmp) const
{
if ((Real*real+imag*imag) < (TMP.REAL*TMP.REAL+TMP.IMAG*TMP.IMAG))
return true;
Else
return false;
}

Inline ostream& operator<< (ostream& os,const complex& tmp)
{
OS << tmp.real << "+" << tmp.imag << "J" << Endl;
return OS;
}

Inline istream& operator>> (IStream &is,Complex& tmp)
{
cout << "Enter real:";
is >> tmp.real;
if (IS)
{
cout << "Enter Imag:";
is >> Tmp.imag;
if (IS)
{
return is;
}
Else
{
cout << "error!" << Endl;
Tmp=complex (0,1);

}
}
Else
{
Tmp=complex (0,1);
}
return is;
}

Implementation of C + + complex complex class

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