From: Reuven Peleg <reuvenpe2005@gmail.com>
Date: Thu, 8 May 2014 20:18:19 +0000 (+0300)
Subject: Pass Position as const ref in update_stats()
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=f89a8f0769d3c61edf0993721b03058a0c463bda;ds=sidebyside

Pass Position as const ref in update_stats()

No functional change.
---

diff --git a/src/search.cpp b/src/search.cpp
index 74851fb2..f2f640da 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -94,7 +94,7 @@ namespace {
   void id_loop(Position& pos);
   Value value_to_tt(Value v, int ply);
   Value value_from_tt(Value v, int ply);
-  void update_stats(Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt);
+  void update_stats(const Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt);
   string uci_pv(const Position& pos, int depth, Value alpha, Value beta);
 
   struct Skill {
@@ -1267,7 +1267,7 @@ moves_loop: // When in check and at SpNode search starts from here
   // update_stats() updates killers, history, countermoves and followupmoves stats after a fail-high
   // of a quiet move.
 
-  void update_stats(Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt) {
+  void update_stats(const Position& pos, Stack* ss, Move move, Depth depth, Move* quiets, int quietsCnt) {
 
     if (ss->killers[0] != move)
     {