X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fdepth.h;h=ab88f652a4bda753fdeeaac42478027767920276;hb=4ce08482c3b0685691162bfc9115ccc7656674b4;hp=493ecc408fba1ced98c058e75bfeddee6c7967cf;hpb=bb751d6c890f5c50c642366d601740366cfae8d0;p=stockfish

diff --git a/src/depth.h b/src/depth.h
index 493ecc40..ab88f652 100644
--- a/src/depth.h
+++ b/src/depth.h
@@ -1,17 +1,18 @@
 /*
-  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) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
 
-  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.
-  
+
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
@@ -25,37 +26,12 @@
 ////
 
 enum Depth {
-  DEPTH_ZERO = 0,
-  DEPTH_MAX = 200  // 100 * OnePly;
-};
-
-
-////
-//// Constants
-////
 
-/// Note: If OnePly is changed, the constant HistoryMax in history.h should
-/// probably also be changed.
+  ONE_PLY = 2,
 
-const Depth OnePly = Depth(2);
-
-
-////
-//// Inline functions
-////
-
-inline Depth operator+ (Depth d, int i) { return Depth(int(d) + i); }
-inline Depth operator+ (Depth d1, Depth d2) { return Depth(int(d1) + int(d2)); }
-inline void operator+= (Depth &d, int i) { d = Depth(int(d) + i); }
-inline void operator+= (Depth &d1, Depth d2) { d1 += int(d2); }
-inline Depth operator- (Depth d, int i) { return Depth(int(d) - i); }
-inline Depth operator- (Depth d1, Depth d2) { return Depth(int(d1) - int(d2)); }
-inline void operator-= (Depth & d, int i) { d = Depth(int(d) - i); }
-inline Depth operator* (Depth d, int i) { return Depth(int(d) * i); }
-inline Depth operator* (int i, Depth d) { return Depth(int(d) * i); }
-inline void operator*= (Depth &d, int i) { d = Depth(int(d) * i); }
-inline Depth operator/ (Depth d, int i) { return Depth(int(d) / i); }
-inline void operator/= (Depth &d, int i) { d = Depth(int(d) / i); }
+  DEPTH_ZERO = 0,
+  DEPTH_NONE = -127 * ONE_PLY
+};
 
 
 #endif // !defined(DEPTH_H_INCLUDED)