From e999056c19d98b5dbd6434f6986e19c69cdb28ab Mon Sep 17 00:00:00 2001
From: Dawid Weiss <dawid.weiss@carrotsearch.com>
Date: Wed, 9 Mar 2022 11:41:01 +0100
Subject: [PATCH] LUCENE-10311: avoid division by zero on small sets.

---
 lucene/core/src/java/org/apache/lucene/util/FixedBitSet.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lucene/core/src/java/org/apache/lucene/util/FixedBitSet.java b/lucene/core/src/java/org/apache/lucene/util/FixedBitSet.java
index ec1b676dc89..5566bd0c483 100644
--- a/lucene/core/src/java/org/apache/lucene/util/FixedBitSet.java
+++ b/lucene/core/src/java/org/apache/lucene/util/FixedBitSet.java
@@ -204,7 +204,7 @@ public final class FixedBitSet extends BitSet {
     final int rangeLength = 16;
     final int interval = 1024;
 
-    if (numWords < interval) {
+    if (numWords <= interval) {
       return cardinality();
     }