// overload3.cpp		By: Aiman Hanna -  ©1993-2006 Aiman Hanna

// This program illustrates constructor overloading.
// Key Points: 		1) constructor overloading



#include "overload3.h"

MathOperations::MathOperations( void )	    // constructor
{
	ires = 0;
	dres1 = dres2 = 0;
}




MathOperations::MathOperations( int i1 ) // overloaded constructor

{
	ires = i1;
	dres1 = dres2 = 0;
}





MathOperations::MathOperations( int i1, double d1 )  // overloaded constructor
{
	ires = i1;
	dres1 = dres2 = d1;
}



MathOperations::MathOperations( int i1, double d1, double d2 )  
						       // overloaded constructor
{
	ires = i1;
	dres1 = d1;
	dres2 = d2;
}




double MathOperations::Add( void )
{
	// Rreturn the total value of the object attributes

	return ires + dres1 + dres2;
}




int main()
{
	// Create 4 objects of the class. Notice that a different constructor is 
	// executing for each of these objects.
 
	MathOperations m1, m2(20), m3(10, 35.2), m4(30, 32.7, 45.9);

	cout << "\n The total value of m1 attributes is: " << m1.Add() << endl; 
	cout << "\n The total value of m2 attributes is: " << m2.Add() << endl;
	cout << "\n The total value of m3 attributes is: " << m3.Add() << endl; 
	cout << "\n The total value of m4 attributes is: " << m4.Add() << endl; 
 
	return 0;
}




// The result of running the program

/*

 The total value of m1 attributes is: 0

 The total value of m2 attributes is: 20

 The total value of m3 attributes is: 80.4

 The total value of m4 attributes is: 108.6

 */