msokolov commented on code in PR #862:
URL: https://github.com/apache/lucene/pull/862#discussion_r865039829
##########
lucene/core/src/java/org/apache/lucene/util/hnsw/NeighborArray.java:
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@@ -72,8 +103,39 @@ public void removeLast() {
size--;
}
+ public void removeIndex(int idx) {
+ System.arraycopy(node, idx + 1, node, idx, size - idx);
+ System.arraycopy(score, idx + 1, score, idx, size - idx);
+ size--;
+ }
+
@Override
public String toString() {
return "NeighborArray[" + size + "]";
}
+
+ private int ascSortFindRightMostInsertionPoint(float newScore) {
+ int insertionPoint = Arrays.binarySearch(score, 0, size, newScore);
+ if (insertionPoint >= 0) {
+ // find the right most position with the same score
Review Comment:
oh, tricky. Maybe we could search with newScore + (smallest float)? But this
is fine and is probably occurring very rarely/never anyway
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