一个运算符重载函数

发布网友发布时间：2022-04-26 19:10

共1个回答

热心网友时间：2023-10-22 21:14

#include<iostream>
using namespace std;
class Complex
{
public:
Complex()
{
  real=0;
  imag=0;
}
Complex(double r,double i)
{
  real=r;
  imag=i;
}
Complex operator + (Complex & c2);
friend Complex operator - (Complex & c1,Complex & c2);  ///complex 你写成Conplex了
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;
}
Complex operator - (Complex & c1,Complex & c2)  ///参数之间是逗号分隔，你写成分号了
{
return Complex(c1.real-c2.real,c1.imag-c2.imag);
}
void Complex::display()
{
cout<<"("<<real<<","<<imag<<"i)"<<endl;
}
int main()
{
Complex c1(3,4),c2(5,-10),c3,c4;
c3=c1+c2;
c4=c1-c2;
cout<<"c1=";
c1.display();
cout<<"c2=";
c2.display();
cout<<"c1+c2=";
c3.display();
cout<<"c1-c2=";
c4.display();
return 0;
}