//Listing 9.9

// Returning multiple values from a function

// using references


#include <iostream.h>

typedef unsigned short USHORT;
enum ERR_CODE { SUCCESS, ERROR };

ERR_CODE Factor(USHORT, USHORT&, USHORT&); // In my book it 

// talked about the & operator before the variable to show its

// adress in memory, or to create a reference, but wat does it 

// do when put after like in this case, I re read my book and 

// couldn''t find it saying anything about this.


int main()
{
	USHORT number, squared, cubed;
	ERR_CODE result;

	cout << "Enter a number (0 - 20): ";
	cin >> number;

	result = Factor(number, squared, cubed);

	if (result == SUCCESS)
	{
		cout << "number: " << number << "\n";
		cout << "square: " << squared << "\n";
		cout << "cubed: "  << cubed   << "\n";
	}
	else
		cout << "Error encountered!!\n";
	return 0;
}

ERR_CODE Factor(USHORT n, USHORT &rSquared, USHORT &rCubed)
{
	if (n > 20)
		return ERROR;   // simple error code

	else
	{
		rSquared = n*n;
		rCubed = n*n*n;
		return SUCCESS;
	}
}

  

  ERR_CODE Factor(USHORT myFirstArg, USHORT &mySecondArg, USHORT &myThirdArg);  

  //Listing 9.12// Passing references to objects#include <iostream.h>class SimpleCat{public:	SimpleCat();	SimpleCat(SimpleCat&);	~SimpleCat();	int GetAge() const { return itsAge; }	void SetAge(int age) { itsAge = age; }private:	int itsAge;};SimpleCat::SimpleCat(){	cout << "Simple Cat Constructor...\n";	itsAge = 1;}// I don''t understand why there''s a & operator here, it''s not // being passed a value.  Can anyone please explain what it''s // doing?SimpleCat::SimpleCat(SimpleCat&){	cout << "Simple Cat Copy Constructor...\n";}SimpleCat::~SimpleCat(){	cout << "Simple Cat Destructor...\n";}const     SimpleCat & FunctionTwo (const SimpleCat & theCat);int main(){	cout << "Making a cat...\n";	SimpleCat Frisky;	cout << "Frisky is " << Frisky.GetAge() << " years old\n";	int age = 5;	Frisky.SetAge(age);	cout << "Frisky is " << Frisky.GetAge() << " years old\n";	cout << "Calling FunctionTwo...\n";	FunctionTwo(Frisky);	cout << "Frisky is " << Frisky.GetAge() << " years old\n";	return 0;}// functionTwo, passes a ref to a const objectconst SimpleCat & FunctionTwo (const SimpleCat & theCat){	cout << "Function Two. Returning...\n";	cout << "Frisky is now " << theCat.GetAge();	cout << " years old \n";	// theCat.SetAge(8);   const!	return theCat;}