第九周任务二

最新推荐文章于 2024-01-25 00:15:00 发布

原创最新推荐文章于 2024-01-25 00:15:00 发布 · 845 阅读

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本文介绍了一个使用C++实现的复数类，该类支持基本的复数运算，包括加法、减法、乘法，并通过运算符重载简化了这些操作。文中还展示了如何使用输入输出流来读取和显示复数。

#include<iostream>
using namespace std;
class Complex
{public:
	Complex(){real=0;imag=0;}
	Complex(double r,double i){real=r;imag=i;}
	friend Complex operator+(Complex &c1,Complex &c2);
	friend Complex operator-(Complex &c1,Complex &c2);
	friend Complex operator*(Complex &c1,Complex &c2);
	friend Complex operator/(Complex &c1,Complex &c2);
	friend ostream& operator<<(ostream&,Complex&c);
	friend istream& operator>>(istream&,Complex&c);
	void display();
 private:
	double real;
	double imag;
};

Complex operator+(Complex &c1,Complex &c2)
{
  Complex c;
  c.real=c1.real+c2.real;
  c.imag=c1.imag+c2.imag;
  return c;
}

Complex operator-(Complex &c1,Complex &c2)
{
   Complex c;
  c.real=c1.real-c2.real;
  c.imag=c1.imag-c2.imag;
  return c;
}

Complex operator*(Complex &c1,Complex &c2)
{
	Complex c;
  c.real=c1.real*c2.real+c1.imag*c2.imag;
  c.imag=c2.real*c1.imag+c2.imag*c1.real;
  return c;
}



ostream& operator<<(ostream&,Complex&c)
{
    cout<<"(";
    cout<<c.real<<"+";
    cout<<c.imag<<"i)"<<endl;
    return cout;
}

 istream& operator>>(istream&,Complex&c)
{
    cin>>c.real>>c.imag;
    return cin;
}


//下面是测试函数
int main()
{
	Complex c1,c2,c3;
	cout<<"c1="<<c1;

	cout<<"c2="<<c2;

	c3=c1+c2;
	operator+(c1,c2);
	cout<<"c1+c2="<<c3;


	c3=c1-c2;
	cout<<"c1-c2="<<c3;


	c3=c1*c2;
	cout<<"c1*c2="<<c3;

	return 0;
}