/*
Texel - A UCI chess engine.
Copyright (C) 2012-2014 Peter Österlund, peterosterlund2@gmail.com
This program 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.
This program 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/>.
*/
/*
* constants.hpp
*
* Created on: Mar 2, 2012
* Author: petero
*/
#ifndef CONSTANTS_HPP_
#define CONSTANTS_HPP_
namespace SearchConst {
const int MATE0 = 32000;
const int UNKNOWN_SCORE = -32767; // Represents unknown static eval score
const int plyScale = 8; // Fractional ply resolution
const int MIN_SMP_DEPTH = 10; // Minimum depth for SMP work sharing
const int MAX_SP_PER_THREAD = 32; // Maximum number of SplitPoints per thread
inline bool isWinScore(int score) { return score > MATE0 / 2; }
inline bool isLoseScore(int score) { return score < -(MATE0 / 2); }
}
namespace TType {
const int T_EMPTY = 0; // Empty hash slot
const int T_EXACT = 1; // Exact score
const int T_GE = 2; // True score >= this score
const int T_LE = 3; // True score <= this score
}
#endif /* CONSTANTS_HPP_ */