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
+ Copyright (C) 2015-2017 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
#ifndef SEARCH_H_INCLUDED
#define SEARCH_H_INCLUDED
-#include <atomic>
#include <vector>
#include "misc.h"
struct Stack {
Move* pv;
+ PieceToHistory* contHistory;
int ply;
Move currentMove;
Move excludedMove;
Move killers[2];
Value staticEval;
- bool skipEarlyPruning;
+ int statScore;
int moveCount;
- CounterMoveStats* counterMoves;
};
struct RootMove {
explicit RootMove(Move m) : pv(1, m) {}
-
- bool operator<(const RootMove& m) const { return m.score < score; } // Descending sort
- bool operator==(const Move& m) const { return pv[0] == m; }
bool extract_ponder_from_tt(Position& pos);
+ bool operator==(const Move& m) const { return pv[0] == m; }
+ bool operator<(const RootMove& m) const { // Sort in descending order
+ return m.score != score ? m.score < score
+ : m.previousScore < previousScore;
+ }
Value score = -VALUE_INFINITE;
Value previousScore = -VALUE_INFINITE;
+ int selDepth = 0;
std::vector<Move> pv;
};
TimePoint startTime;
};
-
-/// SignalsType struct stores atomic flags updated during the search, typically
-/// in an async fashion e.g. to stop the search by the GUI.
-
-struct SignalsType {
- std::atomic_bool stop, stopOnPonderhit;
-};
-
-extern SignalsType Signals;
extern LimitsType Limits;
void init();