public class AFMMath {
    public static double mod(double arg1, double arg2) {
        double intQuotient = (int) (arg1 / arg2);
        return (arg1 - arg2 * intQuotient);
    }

    public static int mod(int arg1, int arg2) {
        int quotient = arg1 / arg2;
        return (arg1 - arg2 * quotient);
    }

    public static boolean dif(double arg1, double arg2, double dif) {
        if (Math.abs(arg1 - arg2) < dif) return true;
        else return false;
    }

    public static double log2(double num) {
        return Math.log(num)/Math.log(2);
    }
    public static void main(String[] args) {
        //double a = 5.37;
        //double b = 38.70442149222625;
        double a = 15.3;
        double b = 15.34;
        boolean c = dif(a, b, 0.05);
        System.out.println(c);
        //System.out.println(19.719902750289553-19.15868863865226);
    }
}