第九周实验报告 任务一

源程序：

#include<iostream.h>

//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 Complex operator +(Complex &c, double d);
	
	friend Complex operator -(Complex &c, double d);
	
	friend Complex operator *(Complex &c, double d);
	
	friend Complex operator /(Complex &c, double d);
	
	friend istream& operator >> (istream&, Complex&); //声明重载运算符 >>
	
	friend ostream& operator << (ostream&, Complex&); //声明重载运算符 <<
	
private:
	
	double real;
	
	double imag;
};

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

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

Complex operator*(Complex &c1, Complex &c2)//定义重载运算符"*"
{
	return Complex((c1.real * c2.real - c1.imag * c2.imag), (c1.imag * c2.real + c1.real * c2.imag));
}

Complex operator/(Complex &c1, Complex &c2)//定义重载运算符"/"
{       
	return Complex( ((c1.real * c2.real + c1.imag * c2.imag) / (c2.real * c2.real + c2.imag * c2.imag)), 
		((c1.imag * c2.real - c1.real * c2.imag) / (c2.real * c2.real + c2.imag * c2.imag)));
}
Complex operator +(Complex &c, double d)
{
	return Complex(c.real + d, c.imag);
}

Complex operator -(Complex &c, double d)
{
	return Complex(c.real - d, c.imag);
}

Complex operator*(Complex &c, double d)
{
	return Complex(d * c.real, d * c.imag);
}

Complex operator/(Complex &c, double d)
{
	return Complex(c.real / d, c.imag / d);
}

istream& operator >> (istream& input, Complex& c) //定义重载运算符 >>
{
	char f1, f2;
	
	while(1)
	{
		cout << "请输入虚数的实部和虚部（例如：1+1i）：" ;
		
		input >> c.real >> f1 >> c.imag >> f2;
		
		if(f1 != '+' || f2 != 'i')
		{
			cout << "输入格式有误，请重新输入！！！" << endl;
		}
		
		else
			break;
	}
	
	return input;
}

ostream& operator << (ostream& output, Complex& c) //定义重载运算符 <<
{
	if(c.imag == 0)
	{
		output << c.real ;
	}

	else if(c.real == 0)
	{
		output << "(" << c.imag << "i)" ;
	}

	else
	{
	output << "(" << c.real << "," << c.imag << "i)";
	}

	return output;
}


int main()
{
	Complex c1, c2, c3, c4;

	double d = 2.0;

	cin >> c1 >> c2;

	cout<< "c1 = " << c1 << endl;

	cout<< "c2 = " << c2 << endl;

	c3 = c1 + c2;

	cout<<"c1 + c2 = " << c3 << endl;

	c3 = c1 - c2;

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

	c3 = c1 * c2;

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

	c3 = c1 / c2;

	cout<<"c1 / c2 = " << c3 << endl;
	
	c4 = c2 + 2;
	
	cout << "c2 + 2 = " << c4 << endl;
	
	c4 = c2 - 2;
	
	cout << "c2 - 2 = " << c4 << endl;
	
	c4 = c2 * 2;
	
	cout << "c2 * 2 = " << c4 << endl;
	
	c4 = c2 / 2;
	
	cout << "c2 / 2 = " << c4 << endl;

//	system("pause");
	
	return 0;
}

截图：

 

这周的任务发晚了···因为家人来了哈~但是真的有早就完成三个了~觉得还可以···但是第四个就有点蒙了···