/**
 * A small example of method name overloading in Java
 * The point is that I can have the same name method
 * and yy varying the args each method can do slightly different
 * things. Of course, the things should be highly related.
 * 
 * @author ggtowell
 * Created: Oct 27, 2023
 */

public class MyPower {
    public static void main(String[] args) {
        System.out.println(myPower(5, 2));
        System.out.println(myPower(5, -2));
        System.out.println(myPower(5, -2.0));
    }

    /**
     * Compute raise base number of a power when power is integer.
     * @param base the number to be raised.
     * @param power the power
     * @return base**power
     */
    public static double myPower(double base, int power) {
        System.out.println("DI");
        double answ = 1.0;
        if (power > 0) {
            for (int i = 1; i <= power; i++) {
                answ *= base;
            }
        } else {
            for (int i = -1; i >= power; i--) {
                answ /= base;
            }
        }
        return answ;
    }

    /**
     * Raise a number to a power when power is NOT integer
     * @param base the number to be raised.
     * @param power the power
     * @return base**power
     */
    public static double myPower(double base, double power) {
        System.out.println("DD");
        return Math.pow(base, power);
    }
}