Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, 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
Move* pv;
int ply;
Move currentMove;
- Move ttMove;
Move excludedMove;
Move killers[2];
- Depth reduction;
Value staticEval;
bool skipEarlyPruning;
int moveCount;
explicit RootMove(Move m) : pv(1, m) {}
- bool operator<(const RootMove& m) const { return score > m.score; } // Ascending sort
+ bool operator<(const RootMove& m) const { return m.score < score; } // Descending sort
bool operator==(const Move& m) const { return pv[0] == m; }
void insert_pv_in_tt(Position& pos);
bool extract_ponder_from_tt(Position& pos);
/// typically in an async fashion e.g. to stop the search by the GUI.
struct SignalsType {
- std::atomic<bool> stop, stopOnPonderhit, firstRootMove, failedLowAtRoot;
+ std::atomic_bool stop, stopOnPonderhit;
};
typedef std::unique_ptr<std::stack<StateInfo>> StateStackPtr;
extern StateStackPtr SetupStates;
void init();
-void reset();
-template<bool Root> uint64_t perft(Position& pos, Depth depth);
+void clear();
+template<bool Root = true> uint64_t perft(Position& pos, Depth depth);
} // namespace Search