(lucene) branch main updated: add JavaDoc for expand8 in VectorUtil (#15218)

[ra...@apache.org]

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ramachil pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/lucene.git


The following commit(s) were added to refs/heads/main by this push:
     new 42ad379d0cf add JavaDoc for expand8 in VectorUtil (#15218)
42ad379d0cf is described below

commit 42ad379d0cfbb78d6a7e48727387035e247d7448
Author: Ramakrishna Chilaka <49...@users.noreply.github.com>
AuthorDate: Tue Sep 23 14:52:09 2025 +0530

    add JavaDoc for expand8 in VectorUtil (#15218)
---
 lucene/core/src/java/org/apache/lucene/util/VectorUtil.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lucene/core/src/java/org/apache/lucene/util/VectorUtil.java b/lucene/core/src/java/org/apache/lucene/util/VectorUtil.java
index 0440f054388..a410d270753 100644
--- a/lucene/core/src/java/org/apache/lucene/util/VectorUtil.java
+++ b/lucene/core/src/java/org/apache/lucene/util/VectorUtil.java
@@ -492,6 +492,12 @@ public final class VectorUtil {
     return IMPL.filterByScore(docBuffer, scoreBuffer, minScoreInclusive, upTo);
   }
 
+  /**
+   * Expands 64 integers in-place into a 256-element array by extracting individual bytes. Each
+   * 32-bit integer is split into 4 bytes. Only works on arrays with 256 length.
+   *
+   * @param arr the array to expand in-place
+   */
   public static void expand8(int[] arr) {
     IMPL.expand8(arr);
   }