Subversion Repositories Games.Chess Giants

Rev

Blame | Last modification | View Log | Download | RSS feed

  1. /*
  2.     Texel - A UCI chess engine.
  3.     Copyright (C) 2013  Peter Österlund, peterosterlund2@gmail.com
  4.  
  5.     This program is free software: you can redistribute it and/or modify
  6.     it under the terms of the GNU General Public License as published by
  7.     the Free Software Foundation, either version 3 of the License, or
  8.     (at your option) any later version.
  9.  
  10.     This program is distributed in the hope that it will be useful,
  11.     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.     GNU General Public License for more details.
  14.  
  15.     You should have received a copy of the GNU General Public License
  16.     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17. */
  18.  
  19. /*
  20.  * searchUtil.hpp
  21.  *
  22.  *  Created on: Jul 15, 2013
  23.  *      Author: petero
  24.  */
  25.  
  26. #ifndef SEARCHUTIL_HPP_
  27. #define SEARCHUTIL_HPP_
  28.  
  29. #include "move.hpp"
  30.  
  31.  
  32. class SearchTreeInfo {
  33. public:
  34.     SearchTreeInfo();
  35.  
  36.     bool allowNullMove;    // Don't allow two null-moves in a row
  37.     Move bestMove;         // Copy of the best found move at this ply
  38.     Move currentMove;      // Move currently being searched
  39.     int currentMoveNo;     // Index of currentMove in move list
  40.     int lmr;               // LMR reduction amount
  41.     U64 nodeIdx;           // For tree logging
  42.     Move singularMove;     // Non-empty when searching for second best
  43.                            // move to determine if best move is singular
  44. };
  45.  
  46.  
  47. inline
  48. SearchTreeInfo::SearchTreeInfo()
  49.     : allowNullMove(true), currentMoveNo(0),
  50.       lmr(0), nodeIdx(0) {
  51. }
  52.  
  53.  
  54. #endif /* SEARCHUTIL_HPP_ */
  55.