X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=ba8a90539e6f7c343dea616136ec95a3ba59915a;hp=d755f1c2e873cf907d4c13d7af6812065f9c7714;hb=9da3b44ddc7bc9ea7094b91663cbc0f8319c46be;hpb=79f393084af73655c869af126281bb2a7c2cc396 diff --git a/src/search.h b/src/search.h index d755f1c2..ba8a9053 100644 --- a/src/search.h +++ b/src/search.h @@ -2,6 +2,7 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, 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 @@ -21,14 +22,14 @@ #define SEARCH_H_INCLUDED #include -#include // For std::unique_ptr -#include #include #include "misc.h" -#include "position.h" +#include "movepick.h" #include "types.h" +class Position; + namespace Search { /// Stack struct keeps track of the information we need to remember from nodes @@ -37,17 +38,17 @@ namespace Search { struct Stack { Move* pv; + CounterMoveStats* counterMoves; int ply; Move currentMove; - Move ttMove; Move excludedMove; Move killers[2]; - Depth reduction; Value staticEval; - bool skipEarlyPruning; + int history; int moveCount; }; + /// RootMove struct is used for moves at the root of the tree. For each root move /// we store a score and a PV (really a refutation in the case of moves which /// fail low). Score is normally set at -VALUE_INFINITE for all non-pv moves. @@ -58,7 +59,6 @@ struct RootMove { bool operator<(const RootMove& m) const { return m.score < score; } // Descending sort bool operator==(const Move& m) const { return pv[0] == m; } - void insert_pv_in_tt(Position& pos); bool extract_ponder_from_tt(Position& pos); Value score = -VALUE_INFINITE; @@ -66,7 +66,8 @@ struct RootMove { std::vector pv; }; -typedef std::vector RootMoveVector; +typedef std::vector RootMoves; + /// LimitsType struct stores information sent by GUI about available time to /// search the current move, maximum depth/time, if we are in analysis mode or @@ -75,8 +76,8 @@ typedef std::vector RootMoveVector; struct LimitsType { LimitsType() { // Init explicitly due to broken value-initialization of non POD in MSVC - nodes = time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] = npmsec = movestogo = - depth = movetime = mate = infinite = ponder = 0; + nodes = time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] = + npmsec = movestogo = depth = movetime = mate = infinite = ponder = 0; } bool use_time_management() const { @@ -89,18 +90,16 @@ struct LimitsType { TimePoint startTime; }; -/// The SignalsType struct stores atomic flags updated during the search -/// typically in an async fashion e.g. to stop the search by the GUI. + +/// SignalsType struct stores atomic flags updated during the search, typically +/// in an async fashion e.g. to stop the search by the GUI. struct SignalsType { - std::atomic_bool stop, stopOnPonderhit, firstRootMove, failedLowAtRoot; + std::atomic_bool stop, stopOnPonderhit; }; -typedef std::unique_ptr> StateStackPtr; - extern SignalsType Signals; extern LimitsType Limits; -extern StateStackPtr SetupStates; void init(); void clear();