Method sign

java/Chapter 17/Question17_4/Question.java:10–12

(int a)

	
	/* Returns 1 if a is positive, and 0 if a is negative */
	public static int sign(int a) {
		return flip((a >> 31) & 0x1);
	}
	
	public static int getMaxNaive(int a, int b) {
		int k = sign(a - b);