ep = new int[40]; drp = new int[160]; for (int i = 0; i < drp.length; i++)
ep = new short[40]; drp = new short[160]; for (short i = 0; i < drp.length; i++)
    public void init()     {	ep = new int[40]; //input	drp = new int[160];  //output	for (int i = 0; i < drp.length; i++)	{	    drp[i] = 0;   //initial conditions	}    }