/*
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) 2008-2012 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
class Position;
struct SplitPoint;
-/// The SearchStack struct keeps track of the information we need to remember
-/// from nodes shallower and deeper in the tree during the search. Each
-/// search thread has its own array of SearchStack objects, indexed by the
-/// current ply.
+namespace Search {
+
+/// The Stack struct keeps track of the information we need to remember from
+/// nodes shallower and deeper in the tree during the search. Each search thread
+/// has its own array of Stack objects, indexed by the current ply.
-struct SearchStack {
+struct Stack {
SplitPoint* sp;
int ply;
Move currentMove;
int skipNullMove;
};
-namespace Search {
-/// The SearchLimits struct stores information sent by GUI about available time
+/// The LimitsType struct stores information sent by GUI about available time
/// to search the current move, maximum depth/time, if we are in analysis mode
/// or if we have to ponder while is our opponent's side to move.
struct LimitsType {
LimitsType() { memset(this, 0, sizeof(LimitsType)); }
- bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | infinite); }
+ bool use_time_management() const { return !(maxTime | maxDepth | maxNodes | infinite); }
int time, increment, movesToGo, maxTime, maxDepth, maxNodes, infinite, ponder;
};
+
+/// The SignalsType struct stores volatile flags updated during the search
+/// typically in an async fashion, for instance to stop the search by the GUI.
+
struct SignalsType {
bool stopOnPonderhit, firstRootMove, stop, failedLowAtRoot;
};
extern volatile SignalsType Signals;
extern LimitsType Limits;
-extern std::vector<Move> RootMoves;
+extern std::vector<Move> SearchMoves;
extern Position RootPosition;
extern void init();
} // namespace
-extern void do_timer_event();
-
#endif // !defined(SEARCH_H_INCLUDED)