Time management: move faster if PV is stable

[stockfish] / src / timeman.h

diff --git a/src/timeman.h b/src/timeman.h
index 35bcbee7b36b15909c8691e76c04a49a8a3a6442..4896fe6e3bfadcb15701b4d20b26cbfeae8bd83d 100644 (file)
--- a/src/timeman.h
+++ b/src/timeman.h
@@ -1,7 +1,7 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, 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
@@ -17,15 +17,23 @@
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-
-#if !defined(TIMEMAN_H_INCLUDED)
+#ifndef TIMEMAN_H_INCLUDED
 #define TIMEMAN_H_INCLUDED
 
-////
-//// Prototypes
-////
+/// The TimeManager class computes the optimal time to think depending on the
+/// maximum available time, the move game number and other parameters.
+
+class TimeManager {
+public:
+  void init(const Search::LimitsType& limits, int currentPly, Color us);
+  void pv_instability(float bestMoveChanges);
+  int available_time() const { return optimumSearchTime + unstablePVExtraTime; }
+  int maximum_time() const { return maximumSearchTime; }
 
-void get_search_times(int myTime, int myInc, int movesToGo, int currentPly,
-                      int* maxSearchTime, int* absoluteMaxSearchTime);
+private:
+  int optimumSearchTime;
+  int maximumSearchTime;
+  int unstablePVExtraTime;
+};
 
-#endif // !defined(TIMEMAN_H_INCLUDED)
+#endif // #ifndef TIMEMAN_H_INCLUDED