#include "complex.h"

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

Complex Complex::add(const Complex &c)
{
	Complex t;
	t.real = real + c.real;
	t.imag = imag + c.imag;
	return t; //返回對象，需調用復制構造函數，有效率上的代價，
}

Complex Complex::sub(const Complex &c)
{
	Complex t;
	t.real = real - c.real;
	t.imag = imag - c.imag;
	return t; //返回對象，需調用復制構造函數，有效率上的代價
}

double Complex::Real()  const
{
	return real;
}

double Complex::Imag() const
{
	return imag;
}