第八周实验报告 任务一

源程序：

#include<iostream>


using namespace std;


class Complex
{
public:


	Complex(){real = 0;imag = 0;}


	Complex(double r, double i){real = r; imag =i;}


	Complex operator+(Complex &c2);//声明重载运算符"+"


	Complex operator-(Complex &c2);//声明重载运算符"-"


	Complex operator*(Complex &c2);//声明重载运算符"*"


	Complex operator/(Complex &c2);//声明重载运算符"/"


	void display();


private:


	double real;


	double imag;
};


Complex Complex::operator+(Complex &c2)//定义重载运算符"+"
{
	Complex c;


	c.real = real + c2.real;


	c.imag = imag + c2.imag;


	return c;
}


Complex Complex::operator-(Complex &c2)//定义重载运算符"-"
{
	Complex c;


	c.real = real - c2.real;


	c.imag = imag - c2.imag;


	return c;
}


Complex Complex::operator*(Complex &c2)//定义重载运算符"*"
{
	Complex c;


	c.real = real * c2.real - imag * c2.imag;


	c.imag = imag * c2.real + real * c2.imag;


	return c;
}


Complex Complex::operator/(Complex &c2)//定义重载运算符"/"
{
	Complex c;


	c.real = (real * c2.real + imag * c2.imag) / (c.real * c.real + c.imag * c.imag);


	c.imag = (imag * c2.real - real * c2.imag) / (c.real * c.real + c.imag * c.imag);


	return c;
}


void Complex::display()
{
	cout << "(" << real << "," << imag << "i)" << endl;
}


int main()
{
	Complex c1(3,4),c2(5,-10),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();


	system("pause");


	return 0;
}




#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);


	void display();


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


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


void Complex::display()
{
	cout << "(" << real << "," << imag << "i)" << endl;
}


int main()
{
	Complex c1(3,4),c2(5,-10),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();


	return 0;
}




#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 &c, double d);


	friend Complex operator -(Complex &c, double d);


	friend Complex operator *(Complex &c, double d);


	friend Complex operator /(Complex &c, double d);


	void display();


private:


	double real;


	double 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);
}


void Complex::display()
{
	cout << "(" << real << "," << imag << "i)" << endl;
}


int main()
{
	Complex c1(4.0, 5.0), c2(2.0, 2.0), c3;


	double d = 2.0;


	cout << "c1 = ";


	c1.display();


	cout << "c2 = ";


	c2.display();


	c3 = c2 + 2;


	cout<< "c2 + 2 = ";
	
	c3.display();


	c3 = c2 - 2;


	cout<< "c2 - 2 = ";


	c3.display();


	c3 = c2 * 2;


	cout<< "c2 * 2 = ";
	
	c3.display();


	c3 = c2 / 2;


	cout<< "c2 / 2 = ";
	
	c3.display();


	return 0;
}

截图：

 

逸夫木有vs2008.。。。编这个程序时还比较能hold住···原来c++也有bug哈···完成任务的感觉不错~

加油啦~