X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=abf7221d8a33bbbe9f22a66db31e4995932d0c3c;hp=1940c1b52cdf5b8b0c936092ea6ec784def576ae;hb=bb3427ca85bdb20b4c8af12b63f635d03c5e9146;hpb=1e7aaed8bc4247a742d515811f0e484ff40309b8 diff --git a/src/search.h b/src/search.h index 1940c1b5..abf7221d 100644 --- a/src/search.h +++ b/src/search.h @@ -17,62 +17,64 @@ along with this program. If not, see . */ - #if !defined(SEARCH_H_INCLUDED) #define SEARCH_H_INCLUDED -//// -//// Includes -//// - -#include "depth.h" #include "move.h" -#include "value.h" - - -//// -//// Constants -//// - -const int PLY_MAX = 100; -const int PLY_MAX_PLUS_2 = PLY_MAX + 2; +#include "types.h" +#include -//// -//// Types -//// +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; }; +namespace Search { -//// -//// Prototypes -//// -class Position; +/// 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 { + + LimitsType() { memset(this, 0, sizeof(LimitsType)); } + bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | infinite); } + + int time, increment, movesToGo, maxTime, maxDepth, maxNodes, infinite, ponder; +}; -extern void init_search(); -extern void init_threads(); -extern void exit_threads(); +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)