Subversion Repositories Games.Chess Giants

/*

  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) 2015-2019 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

  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 <http://www.gnu.org/licenses/>.

*/

#ifndef TIMEMAN_H_INCLUDED

#define TIMEMAN_H_INCLUDED

#include "misc.h"

#include "search.h"

#include "thread.h"

/// The TimeManagement class computes the optimal time to think depending on

/// the maximum available time, the game move number and other parameters.

class TimeManagement {

public:

  void init(Search::LimitsType& limits, Color us, int ply);

  TimePoint optimum() const { return optimumTime; }

  TimePoint maximum() const { return maximumTime; }

  TimePoint elapsed() const { return Search::Limits.npmsec ?

                                     TimePoint(Threads.nodes_searched()) : now() - startTime; }

  int64_t availableNodes; // When in 'nodes as time' mode

private:

  TimePoint startTime;

  TimePoint optimumTime;

  TimePoint maximumTime;

};

extern TimeManagement Time;

#endif // #ifndef TIMEMAN_H_INCLUDED