From e52c69287716cae8ee806e33c1ed74e362289317 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BE=90=E5=BF=97=E5=BC=BA?= <xuzhiqiang@qutoutiao.net>
Date: Sat, 21 Dec 2019 20:56:27 +0800
Subject: [PATCH] fix maxBucketSize

---
 rank_pairing/rank_pairing_heap.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rank_pairing/rank_pairing_heap.go b/rank_pairing/rank_pairing_heap.go
index d399116..eb5c617 100644
--- a/rank_pairing/rank_pairing_heap.go
+++ b/rank_pairing/rank_pairing_heap.go
@@ -284,7 +284,7 @@ func merge(r0, r1 *RPHeap) *RPHeap {
 }
 
 func (r *RPHeap) maxBucketSize() int {
-	bit, cnt := 1, r.size
+	bit, cnt := 0, r.size
 	for cnt > 1 {
 		cnt /= 2
 		bit++