/*  class Rational to practice basics of defining and using classes.
 */
#include <iostream>
#include <sys/time.h>

using namespace std;

/*
 * class Rational
 *    represents a Rational number. Remember rational means ratio-nal
 *    which means there is a numerator and denominator implemented using
 *    integer values. Using good ADT techniques, we have made member
 *    variable private (also known as instance variables) and made member
 *    functions public.
 */
class Rational
{
public:
    Rational ();     
    // default constructor 

    Rational(int i);
    // constructor that takes a single int as paramter. Implies that the
    // denominator is 1.

    Rational (int p, int q);
    //constructor that takes two ints as parameter. Verify q is not zero

    void input();
    // read value for the object from standard input 

    void output();
    // display the value of the object to standard output 


    //Todo: declare an accessor (getter function) that returns the numerator
    

    //Todo: declare an accessor (getter function) that returns the denominator
    
    void Sum (Rational op1, Rational op2);
    // set current object's value to be the sum of num1 and num2 

    bool isEqual(const Rational& op);
    // test if two rational numbers are equal.

private:
    int numerator;
    int denominator;

}; 


/*
 * main program
 * 		Unit Test code for class Rational uses all defined methods
 */
int main ()
{
    Rational a(1,2);	 // a is 1/2 
    a.output ();

    Rational b(2); 		 // b is 2/1
    b.output ();

    Rational c;			 // what does the default constructor do?
    c.output ();

    c.input (); 		 // read value for c from input
    c.output (); 

    c.Sum (a,b); 		// c will be set to 1/2+2/1 = 5/2
    c.output (); 		//this should display 5/2
    
    //Todo: display the numerator of c
 
    //Todo: display the denominator of c
    
    //Todo: read in two rational numbers and test if they are equal using isEqual
    Rational d;
    Rational e;

	// Todo: get the values using the input member function


	// Todo: compare using isEquals and write out the result.

}


//Definitions of all member functions