X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=9d3fb4ca355899bb7bcc100aa28b9ce5872c868c;hp=3def04eb058f8bdd346cbeaf47281c9c26e3ec26;hb=23cbb221b2e2576b81a1d6199e8da2133a81a99c;hpb=9fc602bae74b8e09bd45ace3b42a8ce84d56b23c diff --git a/src/search.h b/src/search.h index 3def04eb..9d3fb4ca 100644 --- a/src/search.h +++ b/src/search.h @@ -17,64 +17,42 @@ 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 -//// +const int PLY_MAX_PLUS_2 = PLY_MAX + 2; /// 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 { - Move pv[PLY_MAX_PLUS_2]; Move currentMove; Move mateKiller; - Move threatMove; - Move killers[KILLER_MAX]; + Move excludedMove; + Move bestMove; + Move killers[2]; Depth reduction; Value eval; - - void init(int ply); - void initKillers(); + Value evalMargin; + bool skipNullMove; + SplitPoint* sp; }; - -//// -//// Prototypes -//// +class Position; 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, bool infinite, bool ponder, int time[], int increment[], + int movesToGo, int maxDepth, int maxNodes, int maxTime, Move searchMoves[]); #endif // !defined(SEARCH_H_INCLUDED)