X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=900d51fbb3b6d99a8e001a754312d951f2d04c96;hp=c8d841a12f5778bd56f84fb22eab04b86b76dabb;hb=927f1b0bd30a5b2cfdcdf163f26f528738509064;hpb=61c6a3d5a0757668821600c808dc8990175af677 diff --git a/src/search.h b/src/search.h index c8d841a1..900d51fb 100644 --- a/src/search.h +++ b/src/search.h @@ -1,91 +1,55 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad 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. - + 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 . */ - #if !defined(SEARCH_H_INCLUDED) #define SEARCH_H_INCLUDED -//// -//// Includes -//// - -#include "depth.h" -#include "history.h" -#include "lock.h" -#include "movegen.h" -#include "position.h" -#include "tt.h" -#include "value.h" - - -//// -//// Constants -//// - -const int PLY_MAX = 100; -const int PLY_MAX_PLUS_2 = 102; -const int KILLER_MAX = 2; +#include "move.h" +#include "types.h" -//// -//// Types -//// - /// 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]; Move currentMove; - Value currentMoveCaptureValue; Move mateKiller; - Move threatMove; - Move killers[KILLER_MAX]; + Move excludedMove; + Move bestMove; + Move killers[2]; Depth reduction; + Value eval; + Value evalMargin; + bool skipNullMove; + SplitPoint* sp; }; - -//// -//// Global variables -//// - -extern SearchStack EmptySearchStack; -extern TranspositionTable TT; -extern int ActiveThreads; -extern Lock SMPLock; - -// Perhaps better to make H local, and pass as parameter to MovePicker? -extern History H; - - -//// -//// Prototypes -//// +class Position; extern void init_threads(); -extern void stop_threads(); -extern void 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 int64_t nodes_searched(); - +extern void exit_threads(); +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)