main.cpp(complex 클래스)

※ main.cpp파일

#include <iostream>

#include "complex.h"



int main()

{

	Complex c1(3.0,4.0); // 3.0 + 4.0i

	Complex c2(3.0);     // 3.0 + 0i

	Complex c3;			  // 0 + 0i

	

	c3.real(c1.real());

	c3.imag(c1.imag());

	

	std::cout << "(" << c1.real() << ", " << c1.imag() << "i)" << std::endl;

	std::cout << "(" << c2.real() << ", " << c2.imag() << "i)" << std::endl;

	std::cout << "(" << c3.real() << ", " << c3.imag() << "i)" << std::endl;

	return 0;

}

※complex.h파일

#ifndef COMPLEX_H

#define COMPLEX_H



class Complex{

private:

	double re;   // real part

	double im;   // imaginary part

public:

	Complex(double re, double im);

	Complex(double re);

	Complex();

	~Complex();

	

	double real();

	double imag();

	void real(double re);

	void imag(double im);

	

};

#endif

※complex.cpp파일

#include "complex.h"



//member function



Complex::Complex()

{

	this->re = 0.0;

	this->im = 0.0;

}



Complex::Complex(double re)

{

	this->re = re;

	this->im = 0.0;	

}



Complex::Complex(double re, double im)

{

	this->re = re;

	this->im = im;

}



Complex::~Complex()

{	

}



double Complex::real()

{

	return this->re;

}



double Complex::imag()

{

	return this->im;

}



void Complex::real(double re) 

{

	this->re = re;

}



void Complex::imag(double im)

{

	this->im = im;

}