第八周实验报告 任务一

#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;
}