复数计算+重载.txt

来自「铁道出版社出版的C++的习题源代码」· 文本 代码 · 共 31 行

#include<iostream.h>
class Complex
{
public:
   Complex(){real=0;imag=0;}
   Complex(double r,double i){real=r;imag=i;}
   Complex operator+(Complex &c2);
   void display();
private:
    double real;
    double imag;
};
Complex Complex::operator+(Complex &c2)
{
    Complex c;
    c.real=real+c2.real;
    c.imag=imag+c2.imag;
    return c;
}
void Complex::display()
{
  cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
void main()
{
   Complex c1(3,4),c2(5,-10),c3;
   c3=c1+c2;
   cout<<"c1=";c1.display();
   cout<<"c2=";c2.display();
   cout<<"c1+c2=";c3.display();
}