/**
Edward Ho
Nov 2, 2009
 */


public class mixedFraction extends Fraction
{
	private int whole;

	public mixedFraction () // constructor
    {
    	//super(0,1);
    	whole = 0;
    	num = 0;
    	den = 1;

    }

    public mixedFraction (int w, int n, int d)
    {
    	//super(n,d);
    	whole = w;


    	num = n;

    	if (d != 0)
     		den = d;


   		else
      		throw new IllegalArgumentException("Fraction cannot have 0 as denominator");

    	if (num < 0 && den < 0)
     	{
     		num = -num;
     		den = -den;
     	}
     	int x = gcf(num,den);
       	num = num/x;
       	den = den/x;

       	if (den > 0)
   		{
    		while(num >= den)
    		{
      			whole++;
     			 num=num-den;
    		}
   		}


   		else if (den < 0)
   		{
   			while (-num <= den)
   			{
   				whole--;
   				num=num+den;
   			}
   		}
   		else
   			throw new IllegalArgumentException("Fraction cannot have 0 as denuminator");

    }

    public mixedFraction (int w)
    {
    	super(0,1);
    	whole = w;

    	//num = 0;
    	//den = 1;

    }


    public mixedFraction (int n, int d)
    {
    	//super(n,d);
    	whole = 0;

    	num = n;

    	if (d != 0)
    		den = d;

    	else
    		throw new IllegalArgumentException("Fraction cannot have 0 as denominator");

    	if (num < 0 && den < 0)
    	{
     		num = -num;
     		den = -den;
     	}
     	int x = super.gcf(num,den);
       	num = num/x;
       	den = den/x;

       	if (den > 0)
   		{
    		while(num >= den)
    		{
      			whole++;
     			 num=num-den;
    		}
   		}


   		else if (den < 0)
   		{
   			while (-num <= den)
   			{
   				whole--;
   				num=num+den;
   			}
   		}
   		else
   			throw new IllegalArgumentException("Fraction cannot have 0 as denuminator");
    }

    /*private int gcf(int a, int b)
    {



       	int d, e;
       	e=a;
       	d=b;

      	if (a<0)
         	e=-a;
      	if (b<0)
         	d=-b;
      	if (a == 0 || b == 0)
      		return 1;



       	while (e!=d)
       		{if (e>d)
         		e=e-d;
       		else
         	d=d-e;
       		}
       return d;
    }*/

    public mixedFraction (mixedFraction n)
    {
    	//super(n);
    	whole = n.whole;

    	num = n.num; // pulling num on n > putting into num
    	den = n.den;

     	if (num < 0 && den < 0)
     	{
     		num = -num;
     		den = -den;
     	}

     	if (den > 0)
   		{
    		while(num >= den)
    		{
      			whole++;
     			 num=num-den;
    		}
   		}


   		else if (den < 0)
   		{
   			while (-num <= den)
   			{
   				whole--;
   				num=num+den;
   			}
   		}
   		else
   			throw new IllegalArgumentException("Fraction cannot have 0 as denuminator");

    }

    public mixedFraction mixedfractionAdd (mixedFraction a)
    {
    	//super.fractionAdd(a);
    	int newnum;
		int newden;
    	newnum = (den * whole) + num;
    	a.num = (a.den * a.whole) + a.num;
    	int newwhole = whole;
    	newwhole = 0;
    	a.whole = 0;

    	int newernum;
    	int newerden;
        	newernum = (newnum * a.den) + (a.num * den);
        	newerden = den * a.den;
        if (newernum <0 && den <0)
        {
        	newernum = -newernum;
         	newerden = -newerden;
        }

   		return new mixedFraction(newwhole, newernum, newerden);

    }

   	public mixedFraction mixedfractionSubtract (mixedFraction a)
    {
    	//super.fractionAdd(a);
    	int newnum;
		int newden;
    	newnum = (den * whole) + num;
    	a.num = (a.den * a.whole) + a.num;
    	int newwhole = whole;
    	newwhole = 0;
    	a.whole = 0;

    	int newernum;
    	int newerden;
        	newernum = (newnum * a.den) - (a.num * den);
        	newerden = den * a.den;
        if (newernum <0 && den <0)
        {
        	newernum = -newernum;
         	newerden = -newerden;
        }

   		return new mixedFraction(newwhole, newernum, newerden);

    }

    public mixedFraction mixedfractionMultiply (mixedFraction a)
    {
    	//super.fractionAdd(a);
    	int newnum;
		int newden;
    	newnum = (den * whole) + num;
    	a.num = (a.den * a.whole) + a.num;
    	int newwhole = whole;
    	newwhole = 0;
    	a.whole = 0;

    	int newernum;
    	int newerden;
        	newernum = newnum * a.num;
        	newerden = den * a.den;
        if (newernum <0 && den <0)
        {
        	newernum = -newernum;
         	newerden = -newerden;
        }

   		return new mixedFraction(newwhole, newernum, newerden);

    }

    public mixedFraction mixedfractionDivide (mixedFraction a)
    {
    	//super.fractionAdd(a);
    	int newnum;
		int newden;
    	newnum = (den * whole) + num;
    	a.num = (a.den * a.whole) + a.num;
    	int newwhole = whole;
    	newwhole = 0;
    	a.whole = 0;

    	int newernum;
    	int newerden;
    	if (a.num!=0)
    	{
        	newernum = newnum * a.den;
        	newerden = den * a.num;
        if (newernum <0 && den <0)
        {
        	newernum = -newernum;
         	newerden = -newerden;
        }
    	}
        else
        	throw new IllegalArgumentException("Fraction cannot have 0 as denuminator");
   		return new mixedFraction(newwhole, newernum, newerden);

    }

    public void mixedfractionPrint()
    {
    	if (whole == 0 && num == 0)
    		System.out.println(0);
    	else if (whole != 0 && num == 0)
    		System.out.println(whole);
    	else if (whole == 0)
    		System.out.println(num +"/"+ den);
    	else
      		System.out.println(whole +" "+ num +"/"+ den);
    }




}