#include <iostream>
using namespace std;


// beginning of complex.h

// beginning of class definition with prototypes

class Complex
{
public:
// constructors
	Complex();
	Complex(double x, double y);
	void print(ostream & out) const;
// Accesssor methods
	double getX() const;
	double getY() const;

// input method
	void read(istream & in);
// overload addition
Complex	operator+(const Complex & other) const;
// overload subtraction
Complex operator-(const Complex & other) const;
// overload test for equality
bool operator==(const Complex & other) const;

private:
	double myX, myY;
	// myX is the real part and myY is the imaginary part
	};

// end of class definition



inline ostream & operator<<(ostream & out, const Complex & z)
{
	z.print(out);
	return out;
}

//end of complex.h

// beginning of complex.cpp with function definitions


// Two constructors

	Complex::Complex()
	{
		myX=0.0;
		myY=0.0;
	}
	Complex::Complex(double x, double y)
	{
		myX = x;
		myY = y;
	}

// Complex::print

inline void Complex::print(ostream &out) const
{
	out << myX << " + " << myY << "i";
}

// Complex::getX and getY

double Complex::getX() const
{
	return myX;
}

double Complex::getY() const
{
	return myY;
}

// Complex::read

void Complex::read(istream & in)
{
	char ch;
	in >> myX; // read x coordinate
	in >> ch; // read +
	in >> myY; // read y coordinate
	in >> ch; // read i
}

// overload + and -

Complex Complex::operator+(const Complex & other) const
{
	Complex result(myX + other.getX(),myY + other.getY());
	return result;
}

Complex Complex::operator-(const Complex & other) const
{
	Complex result(myX - other.getX(),myY - other.getY());
	return result;
}

//overload comparison operator

bool Complex::operator==(const Complex & other) const
{
	if (myX == other.getX() && myY == other.getY())
		return true;
	else
		return false;
}


// end of complex.cpp

// beginning of driver.cpp to test all operations

int main()
{
	Complex z1(3, 5);
	cout << "\nz1 is ";
	z1.print(cout);
	cout << endl;
	double x = z1.getX();
	cout << "Real part is " << x << endl;
	Complex z2;
	cout << "Enter a complex number in the form x + yi (eg 3 + -2i) ";
	z2.read(cin);
	cout << endl << "You entered ";
	z2.print(cout);
	cout << endl;
	Complex z3 = z1 + z2;
	cout << "z1 + z2 is ";
	z3.print(cout);
	cout << endl;
	z3 = z1 - z2;
	cout << "z1 - z2 is ";
	z3.print(cout);
	cout << endl;
	cout << "z1 - z2 is "  << z1 - z2 << endl;
	z3 = z2;
	cout << "z3 is now " << z3 << endl;
	if (z1 == z2)
		cout << "z1 and z2 are equal " << endl;
	else
		cout << "z1 and z2 are not equal " << endl;

	if (z2 == z3)
		cout << "z2 and z3 are equal " << endl;
	else
		cout << "z2 and z3 are not equal " << endl;
	
}
// end of driver.cpp