/*
     * function to calculate the log 2 of anything
     *
     * does it by getting the log(e)(number)/log(e)(2)
     */
    private int log2(int num) {
        if(num <=0){
            return 0;
        }
        if(!isPowerOfTwo(num)){
            System.out.println("Losing some data when calculating the log2 of: " + num);
        }
        double l1 = Math.log(num);
        double l2 = Math.log(2);
        double result = l1/l2;
        return (int)result;

    }