Method safeIndex

src/main/java/trace/util/TCB3.java:153–157

(int i)

	}

	private int safeIndex(int i) {
		if (i<0) i = 0;
		if (i>=n.size()) i = n.size()-1;
		return i;
	}

	private double alpha(double x, Node a, Node b) {
		if (a.x == b.x)