2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
5 Stockfish 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.
10 Stockfish 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.
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/>.
19 #ifndef TIMEMAN_H_INCLUDED
20 #define TIMEMAN_H_INCLUDED
26 /// The TimeManagement class computes the optimal time to think depending on
27 /// the maximum available time, the game move number and other parameters.
29 class TimeManagement {
31 void init(Search::LimitsType& limits, Color us, int ply);
32 TimePoint optimum() const { return optimumTime; }
33 TimePoint maximum() const { return maximumTime; }
34 TimePoint elapsed() const { return Search::Limits.npmsec ?
35 TimePoint(Threads.nodes_searched()) : now() - startTime; }
37 int64_t availableNodes; // When in 'nodes as time' mode
41 TimePoint optimumTime;
42 TimePoint maximumTime;
45 extern TimeManagement Time;
47 #endif // #ifndef TIMEMAN_H_INCLUDED