c++实现复数类运算

#define _CRT_SECURE_NO_WARNINGS 1 #include<iostream> using namespace std; class Complex { private: int _real; int _image; public: Complex(int real=1,int image=2) :_real(real) ,_image(image) { } Complex& operator+(const Complex& com2) { return Complex(_real+com2._real,_image+com2._image); } Complex& operator-(const Complex& com2) { return Complex(_real-com2._real,_image-com2._image); } Complex& operator*(Complex& com2) { return Complex(_real*com2._real-_image*com2._image,_real*com2._image+_image*com2._real); } //:(a+bi)/(c+di)=(ac+bd)/(c^2+d^2) +(bc-ad)/(c^2+d^2)i Complex& operator/(const Complex& com2) { return Complex ((_real*com2._real+_image*com2._image)\ /(com2._real*com2._real+com2._image*com2._image)\ ,_image*com2._real-_real*com2._image); } void Display() { cout<<(_real)<<"+"<<(_image)<<"i"<<endl; } ~Complex() { } }; int main() { Complex com1(3,6); Complex com2(4,5); Complex com3; Complex com4; Complex com5; Complex com6; com1.Display(); com2.Display(); cout<<endl; //加 cout<<"加法"<<endl; com3=com1+com2; com3.Display(); cout<<endl; //减 cout<<"减法"<<endl; com4=com1-com2; com4.Display(); cout<<endl; //乘法 cout<<"乘法"<<endl; com5=com1*com2; com5.Display(); cout<<endl; //除法 cout<<"除法"<<endl; com6=com1/com2; com6.Display(); cout<<endl; return 0; }