X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=a3bef714e090cb7970cdc88766006b8f8f2b7c69;hp=831248bacc8ee05cb197bd5841d45b3ebe89c660;hb=0a687b2cf06fda0cc8e103c8cf9c3bbd564b02d6;hpb=bb751d6c890f5c50c642366d601740366cfae8d0 diff --git a/src/search.h b/src/search.h index 831248ba..a3bef714 100644 --- a/src/search.h +++ b/src/search.h @@ -1,17 +1,18 @@ /* - Glaurung, a UCI chess playing engine. - Copyright (C) 2004-2008 Tord Romstad + 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 - Glaurung is free software: you can redistribute it and/or modify + Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - - Glaurung is distributed in the hope that it will be useful, + + Stockfish is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program. If not, see . */ @@ -24,13 +25,8 @@ //// Includes //// -#include "types.h" #include "depth.h" -#include "history.h" -#include "lock.h" -#include "movegen.h" -#include "position.h" -#include "tt.h" +#include "move.h" #include "value.h" @@ -40,6 +36,7 @@ const int PLY_MAX = 100; const int PLY_MAX_PLUS_2 = 102; +const int KILLER_MAX = 2; //// @@ -50,40 +47,36 @@ const int PLY_MAX_PLUS_2 = 102; /// 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]; + Move pv[PLY_MAX_PLUS_2]; Move currentMove; - Value currentMoveCaptureValue; - Move mateKiller, killer1, killer2; + Move mateKiller; Move threatMove; + Move excludedMove; + Move bestMove; + Move killers[KILLER_MAX]; Depth reduction; -}; + Value eval; + bool skipNullMove; - -//// -//// Global variables -//// - -extern TranspositionTable TT; - -extern int ActiveThreads; - -extern Lock SMPLock; - -// Perhaps better to make H local, and pass as parameter to MovePicker? -extern History H; + void init(); + void initKillers(); +}; //// //// Prototypes //// +extern void init_search(); extern void init_threads(); -extern void stop_threads(); -extern void think(const Position &pos, bool infinite, bool ponder, int time, - int increment, int movesToGo, int maxDepth, int maxNodes, - int maxTime, Move searchMoves[]); +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();