X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=a2e783b110895a6fb92fa71665c4f9edc0cc9820;hp=73a1dcf0d508410a3116103b7d3314b2db9fc310;hb=1d368bbbdc50bbb4e10933c4986abc07a08010fd;hpb=5804bef824587c16da4a956c51f55a2adb626199 diff --git a/src/search.h b/src/search.h index 73a1dcf0..a2e783b1 100644 --- a/src/search.h +++ b/src/search.h @@ -17,65 +17,55 @@ 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 -//// +#include "types.h" -const int PLY_MAX = 100; -const int PLY_MAX_PLUS_2 = 102; -const int KILLER_MAX = 2; - - -//// -//// 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 SearchStack { - Move pv[PLY_MAX_PLUS_2]; + int ply; Move currentMove; Move mateKiller; - Move threatMove; Move excludedMove; - Move killers[KILLER_MAX]; + Move bestMove; + Move killers[2]; Depth reduction; Value eval; - - void init(int ply); - void initKillers(); + Value evalMargin; + bool skipNullMove; + SplitPoint* sp; }; -//// -//// Prototypes -//// +/// 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 SearchLimits { + + SearchLimits() {} + SearchLimits(int t, int i, int mtg, int mt, int md, int mn, bool inf, bool pon) + : time(t), increment(i), movesToGo(mtg), maxTime(mt), maxDepth(md), + maxNodes(mn), infinite(inf), ponder(pon) {} + + bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | int(infinite)); } + + int time, increment, movesToGo, maxTime, maxDepth, maxNodes; + bool infinite, ponder; +}; -extern void init_search(); extern void init_threads(); extern void exit_threads(); -extern bool think(const Position &pos, bool infinite, bool ponder, int side_to_move, - int time[], int increment[], int movesToGo, int maxDepth, - int maxNodes, int maxTime, Move searchMoves[]); -extern int perft(Position &pos, Depth depth); -extern int64_t nodes_searched(); - +extern int64_t perft(Position& pos, Depth depth); +extern bool think(Position& pos, const SearchLimits& limits, Move searchMoves[]); #endif // !defined(SEARCH_H_INCLUDED)