C++学习(10)

 1 //设计运算符重载的复数类
 2 #include<iostream.h>
 3 
 4 class Complex{
 5     private:
 6         double real;//实部
 7         double image;//虚部
 8     public:
 9         Complex(){
10             real=0;
11             image=0;
12         }
13         Complex(double real){
14             this->real=real;
15             image=0;
16         }
17         Complex(double real,double image){
18             this->real=real;
19             this->image=image;
20         }
21         ~Complex(){}
22         
23         Complex operator+(const Complex &x)const;
24         Complex operator-(const Complex &x)const;
25         Complex operator*(const Complex &x)const;
26         Complex operator/(const Complex &x)const;
27         bool operator==(const Complex &x)const;
28         Complex &operator+=(const Complex &x);
29         void Print();
30 };
31 
32 inline Complex Complex::operator+(const Complex &x)const{
33     return Complex(this->real+x.real,this->image+x.image);
34 }
35 
36 inline Complex Complex::operator-(const Complex &x)const{
37     return Complex(this->real-x.real,this->image-x.image);
38 }
39 
40 inline Complex Complex::operator*(const Complex &x)const{
41     return Complex(this->real*x.real-this->image*x.image,this->real*x.image+this->image*x.real);
42 }
43 
44 inline Complex Complex::operator/(const Complex &x)const{
45     double m;
46     m=x.real*x.real+x.image*x.image;
47     return Complex((this->real*x.real+this->image*x.image)/m,(this->image*x.real-this->real*x.image)/m);
48 }
49 
50 inline bool Complex::operator==(const Complex &x)const{
51     return bool(this->real==x.real&&this->image==x.image);
52 }
53 
54 Complex &Complex::operator+=(const Complex &x){
55     this->real+=x.real;
56     this->image+=x.image;
57     return *this;
58 }
59 void Complex::Print(){
60     cout<<"("<<this->real<<","<<this->image<<"i)"<<endl;
61 }
62 
63 int main(){
64     Complex a(3,5),b(2,3),c;
65     c=a+(b*a)/b-b;
66     c.Print();
67     
68     //a=a/b;
69 //    a.Print();
70     return 0;
71 }