1051107547-q2.txt

c++ progamming example

//Muhammad 'Ifwan B. Md Jalal
//1051107547
//tutorial4b

#include <iostream>
using namespace std;

//create class complex
class Complex {
public:
	Complex() 
	{
		real = 0; 		//initialized real value to 0
		imag = 0;		//initialized imaginary value to 0
	};
	Complex(double a, double b) 
	{
		real = a; 
		imag = b;
	};
	void addCom(Complex c1, Complex c2); 	//declare member function addCom	
	void subCom(Complex c1, Complex c2);	//declare member function subCom
	void print() {cout << "(" << real << "," << imag << ")" << endl;};	//declare member function of print()

private:
	double real, imag;		//declare variable

};

void Complex::addCom(Complex c1, Complex c2)
{
	real = c1.real + c2.real;
	imag = c1.imag + c2.imag;
};

void Complex::subCom(Complex c1, Complex c2)
{
	real = c2.real - c1.real;
	imag = c2.imag - c1.imag;
};

//call all the member function

void main ()
{
	Complex i1(3,5), i2(5,2), i3;
	cout << "i1 is ";
	i1.print();
	cout << "while i2 is ";
	i2.print();
	cout << endl;
	i3.addCom(i1,i2);   
	i3.print();
	i3.subCom(i1,i2);
	i3.print();
};