X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=599d058fa7d018454ea481f30a6448f079a53e87;hp=809a15d1cf2ee63735a27337f8ac1150fec274b0;hb=eb20a87c67c1f7f8bef8895d1a848f8fa6fd9d96;hpb=86f04dbcc08e52864c1136d713996e3a0c8d2610 diff --git a/src/search.h b/src/search.h index 809a15d1..599d058f 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) 2015-2016 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 +22,15 @@ #define SEARCH_H_INCLUDED #include -#include // For std::unique_ptr -#include #include #include "misc.h" #include "position.h" #include "types.h" +template struct Stats; +typedef Stats CounterMoveStats; + namespace Search { /// Stack struct keeps track of the information we need to remember from nodes @@ -39,13 +41,12 @@ struct Stack { Move* pv; int ply; Move currentMove; - Move ttMove; Move excludedMove; Move killers[2]; - Depth reduction; Value staticEval; bool skipEarlyPruning; int moveCount; + CounterMoveStats* counterMoves; }; /// RootMove struct is used for moves at the root of the tree. For each root move @@ -56,9 +57,8 @@ struct RootMove { explicit RootMove(Move m) : pv(1, m) {} - bool operator<(const RootMove& m) const { return score > m.score; } // Ascending sort + 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 +66,7 @@ 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 +75,8 @@ 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 { @@ -93,14 +93,11 @@ struct LimitsType { /// typically in an async fashion e.g. to stop the search by the GUI. struct SignalsType { - std::atomic 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();