X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftimeman.h;h=c5390befdfff4efc7cc52e063cbc12eb7cd30274;hp=09bb4af7d185759ae1047e44d346048f07cb27a0;hb=ffbaa1c5a8ffb262ff957a8b6178a2e1295fe34d;hpb=c295599e4ad481f677b14cb0be14174b61ebff81

diff --git a/src/timeman.h b/src/timeman.h
index 09bb4af7..c5390bef 100644
--- 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) 2008-2015 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
@@ -17,24 +17,32 @@
   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
-////
-
-class TimeManager {
-public:
+#include "misc.h"
+#include "search.h"
 
-  void update(int myTime, int myInc, int movesToGo, int currentPly);
-  void best_move_changes(int curIter, int prevIter);
-  int available_time() { return optimumSearchTime + extraSearchTime; }
+/// The TimeManagement class computes the optimal time to think depending on
+/// the maximum available time, the game move number and other parameters.
 
-  int optimumSearchTime;
-  int maximumSearchTime;
-  int extraSearchTime;
+class TimeManagement {
+public:
+  void init(Search::LimitsType& limits, Color us, int ply, TimePoint now);
+  void pv_instability(double bestMoveChanges) { unstablePvFactor = 1 + bestMoveChanges; }
+  int available() const { return int(optimumTime * unstablePvFactor * 0.76); }
+  int maximum() const { return maximumTime; }
+  int elapsed() const { return int(Search::Limits.npmsec ? Search::RootPos.nodes_searched() : now() - start); }
+
+  int64_t availableNodes; // When in 'nodes as time' mode
+
+private:
+  TimePoint start;
+  int optimumTime;
+  int maximumTime;
+  double unstablePvFactor;
 };
 
-#endif // !defined(TIMEMAN_H_INCLUDED)
+extern TimeManagement Time;
+
+#endif // #ifndef TIMEMAN_H_INCLUDED