/* 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 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. 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 . */ #if !defined(DEPTH_H_INCLUDED) #define DEPTH_H_INCLUDED //// //// Types //// enum Depth { DEPTH_ZERO = 0, DEPTH_MAX = 200, // 100 * OnePly; DEPTH_ENSURE_SIGNED = -1 }; //// //// Constants //// 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 void operator-= (Depth &d1, Depth d2) { d1 -= int(d2); } 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); } #endif // !defined(DEPTH_H_INCLUDED)