X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.h;h=ba9d067793acba5a5207c8b548624797a8d4b245;hb=2214fcecf7ae5d1d4165596bcd238b6e6bc909c1;hp=72d43c310dc6b44fbbe917db53bb044fef6d66bc;hpb=9a64e737cfef639f202787161498ba94466ad730;p=stockfish

diff --git a/src/search.h b/src/search.h
index 72d43c31..ba9d0677 100644
--- a/src/search.h
+++ b/src/search.h
@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -25,6 +25,8 @@
 #include "movepick.h"
 #include "types.h"
 
+namespace Stockfish {
+
 class Position;
 
 namespace Search {
@@ -45,11 +47,13 @@ struct Stack {
   Move excludedMove;
   Move killers[2];
   Value staticEval;
+  Depth depth;
   int statScore;
   int moveCount;
   bool inCheck;
   bool ttPv;
   bool ttHit;
+  int doubleExtensions;
 };
 
 
@@ -106,4 +110,6 @@ void clear();
 
 } // namespace Search
 
+} // namespace Stockfish
+
 #endif // #ifndef SEARCH_H_INCLUDED