X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsearch.h;h=4f98cc762fb041a0dac265a81cc9b1336b401150;hb=6809b57cfc47321826f01253241afef8b4380612;hp=900d51fbb3b6d99a8e001a754312d951f2d04c96;hpb=927f1b0bd30a5b2cfdcdf163f26f528738509064;p=stockfish diff --git a/src/search.h b/src/search.h index 900d51fb..4f98cc76 100644 --- a/src/search.h +++ b/src/search.h @@ -23,33 +23,57 @@ #include "move.h" #include "types.h" +#include + +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. -struct EvalInfo; -struct SplitPoint; struct SearchStack { + SplitPoint* sp; + int ply; Move currentMove; - Move mateKiller; Move excludedMove; Move bestMove; Move killers[2]; Depth reduction; Value eval; Value evalMargin; - bool skipNullMove; - SplitPoint* sp; + int skipNullMove; }; -class Position; +namespace Search { + +/// The SearchLimits 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 { -extern void init_threads(); -extern void exit_threads(); + bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | infinite); } + + int time, increment, movesToGo, maxTime, maxDepth, maxNodes, infinite, ponder; +}; + +struct SignalsType { + bool stopOnPonderhit, firstRootMove, stop, failedLowAtRoot; +}; + +extern volatile SignalsType Signals; +extern LimitsType Limits; +extern std::vector RootMoves; +extern Position* RootPosition; + +extern void init(); extern int64_t perft(Position& pos, Depth depth); -extern bool think(Position& pos, bool infinite, bool ponder, int time[], int increment[], - int movesToGo, int maxDepth, int maxNodes, int maxTime, Move searchMoves[]); +extern void think(); + +} + +extern void do_timer_event(); #endif // !defined(SEARCH_H_INCLUDED)