برنامه ی تفریق دو عدد پیچیده با استفاده از عملگر باینری Overloading اورلودینگ به زبان سی پلاس پلاس

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/* C++ program to demonstrate the overloading of binary operator by subtracting one complex number from another. */

#include <iostream>
using namespace std;
class Complex
{
    private:
      float real;
      float imag;
    public:
       Complex(): real(0), imag(0){ }
       void input()
       {
           cout<<"Enter real and imaginary parts respectively: ";
           cin>>real;
           cin>>imag;
       }
       Complex operator - (Complex c2)    /* Operator Function */
       {
           Complex temp;
           temp.real=real-c2.real;
           temp.imag=imag-c2.imag;
           return temp;
       }
       void output()
       {
           if(imag<0)
               cout<<"Output Complex number: "<<real<<imag<<"i";
           else
               cout<<"Output Complex number: "<<real<<"+"<<imag<<"i";
       }
};
int main()
{
    Complex c1, c2, result;
    cout<<"Enter first complex number:\n";
    c1.input();
    cout<<"Enter second complex number:\n";
    c2.input();
/* In case of operator overloading of binary operators in C++ programming, the object on right hand side of operator is always assumed as argument by compiler. */    
    result=c1-c2; /* c2 is furnised as an argument to the operator function. */
    result.output();
    return 0;
}