Method kNN

src/org/antlr/codebuff/kNNClassifier.java:226–231

(int[] unknown, int k, double distanceThreshold)

	}

	public Neighbor[] kNN(int[] unknown, int k, double distanceThreshold) {
		Neighbor[] distances = distances(unknown, k, distanceThreshold);
		Arrays.sort(distances,
		            (Neighbor o1, Neighbor o2) -> Double.compare(o1.distance, o2.distance));
		return Arrays.copyOfRange(distances, 0, Math.min(k, distances.length));
	}

	public Neighbor[] distances(int[] unknown, int k, double distanceThreshold) {
		int curTokenRuleIndex = unknown[Trainer.INDEX_PREV_EARLIEST_RIGHT_ANCESTOR];