第八周项目-1.1

发布时间：2020-12-13 20:45:17 所属栏目：PHP教程来源：网络整理

导读：#includeiostream using namespace std; class Complex { public: Complex(){ real = 0; imag = 0; } Complex(double r,double i){ real = r; imag = i; } Complex operator(const Complex c2); Complex operator-(const Complex c2); Complex operator*(cons

#include<iostream>
using namespace std;
class Complex
{
public:
Complex(){ real = 0; imag = 0; }
Complex(double r,double i){ real = r; imag = i; }
Complex operator+(const Complex &c2);
Complex operator-(const Complex &c2);
Complex operator*(const Complex &c2);
Complex operator/(const Complex &c2);
void display();
private:
double real;
double imag;
};
//下面定义成员函数
Complex Complex::operator+(const Complex &c2)
{
return Complex(real + c2.real,imag + c2.imag);
}
Complex Complex::operator-(const Complex &c2)
{
return Complex(real - c2.real,imag - c2.imag);
}
Complex Complex::operator*(const Complex &c2)
{
return Complex(real*c2.real - imag*c2.imag,real*c2.imag + imag*c2.real);
}
Complex Complex::operator/(const Complex &c2)//(ac+bd)/(c^2+d^2)+〔(bc-ad)/(c^2+d^2)〕i
{
return Complex((real*c2.real + imag*c2.imag) / (c2.real*c2.real + c2.imag*c2.imag),(imag*c2.real - real*c2.imag) / (c2.real*c2.real + c2.imag*c2.imag));
}
void Complex::display()
{
if (imag == 0)
cout << real << endl;
else if (imag < 0)
cout << real << " - " << -imag << "i" << endl;
else
cout << real << " + " << imag << "i" << endl;
}
//下面定义用于测试的main()函数
int main()
{
Complex c1(3,4),c2(5,⑴0),c3;
cout << "c1=";
c1.display();
cout << "c2=";
c2.display();
c3 = c1 + c2;
cout << "c1+c2=";
c3.display();
c3 = c1 - c2;
cout << "c1-c2=";
c3.display();
c3 = c1*c2;
cout << "c1*c2=";
c3.display();
c3 = c1 / c2;
cout << "c1/c2=";
c3.display();
while (1){}
return 0;
}

（编辑：李大同）

【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容!