From 9304ef9f118d24f76b280299706310ca8a0d40e6 Mon Sep 17 00:00:00 2001
From: Adrien Grand <jpountz@gmail.com>
Date: Fri, 14 Oct 2016 15:18:29 +0200
Subject: [PATCH] LUCENE-7486: Explain() should initialize maxScore to
 NEGATIVE_INFINITY too.

---
 .../src/java/org/apache/lucene/search/DisjunctionMaxQuery.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java b/lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java
index b29126b3444..44cbd522fc2 100644
--- a/lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java
+++ b/lucene/core/src/java/org/apache/lucene/search/DisjunctionMaxQuery.java
@@ -141,7 +141,7 @@ public final class DisjunctionMaxQuery extends Query implements Iterable<Query>
     @Override
     public Explanation explain(LeafReaderContext context, int doc) throws IOException {
       boolean match = false;
-      float max = 0.0f, sum = 0.0f;
+      float max = Float.NEGATIVE_INFINITY, sum = 0.0f;
       List<Explanation> subs = new ArrayList<>();
       for (Weight wt : weights) {
         Explanation e = wt.explain(context, doc);