Safer razoring formula

[stockfish] / src / pawns.h

diff --git a/src/pawns.h b/src/pawns.h
index c4a616c2d766de3fe7698ce3d512e72117a3747a..01a9d6e93c48acd02495b5404f59a585e933ca71 100644 (file)
--- a/src/pawns.h
+++ b/src/pawns.h
@@ -1,13 +1,14 @@
 /*
-  Glaurung, a UCI chess playing engine.
-  Copyright (C) 2004-2008 Tord Romstad
+  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+  Copyright (C) 2008 Marco Costalba
 
-  Glaurung is free software: you can redistribute it and/or modify
+  Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
   
-  Glaurung is distributed in the hope that it will be useful,
+  Stockfish is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
@@ -119,10 +120,10 @@ inline bool PawnInfo::has_open_file_to_right(Color c, File f) const {
 }
 
 inline void PawnInfo::clear() {
-  mgValue = egValue = 0;
-  passedPawns = EmptyBoardBB;
-  ksStormValue[WHITE] = ksStormValue[BLACK] = 0;
-  qsStormValue[WHITE] = qsStormValue[BLACK] = 0;
+
+  Key k = key;
+  memset(this, 0, sizeof(PawnInfo));
+  key = k;
   halfOpenFiles[WHITE] = halfOpenFiles[BLACK] = 0xFF;
 }