X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=6f2bcdb3ddb0431e3c9d2debd86f89f09824942e;hp=bc841923f5f95c26fbdddf9a0f8e019db09b184d;hb=adeded29fb6ce483bbbafaa0f67aa086cad968f9;hpb=ecd07e51d0f03ccd3e41e5634518b299989254dd diff --git a/src/search.h b/src/search.h index bc841923..6f2bcdb3 100644 --- a/src/search.h +++ b/src/search.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2014 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 @@ -20,7 +20,6 @@ #ifndef SEARCH_H_INCLUDED #define SEARCH_H_INCLUDED -#include #include #include #include @@ -41,12 +40,13 @@ struct Stack { SplitPoint* splitPoint; int ply; Move currentMove; + Move ttMove; Move excludedMove; Move killers[2]; Depth reduction; Value staticEval; - int skipNullMove; - int futilityMoveCount; + bool skipNullMove; + bool nullChild; }; @@ -74,22 +74,26 @@ struct RootMove { /// The 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 if we have to ponder while is our opponent's side to move. +/// or if we have to ponder while it's our opponent's turn to move. struct LimitsType { - LimitsType() { std::memset(this, 0, sizeof(LimitsType)); } + LimitsType() { // Using memset on a std::vector is undefined behavior + time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] = movestogo = + depth = nodes = movetime = mate = infinite = ponder = 0; + } bool use_time_management() const { return !(mate | movetime | depth | nodes | infinite); } + std::vector searchmoves; int time[COLOR_NB], inc[COLOR_NB], movestogo, depth, nodes, movetime, mate, infinite, ponder; }; /// The SignalsType struct stores volatile flags updated during the search -/// typically in an async fashion, for instance to stop the search by the GUI. +/// typically in an async fashion e.g. to stop the search by the GUI. struct SignalsType { - bool stopOnPonderhit, firstRootMove, stop, failedLowAtRoot; + bool stop, stopOnPonderhit, firstRootMove, failedLowAtRoot; }; typedef std::auto_ptr > StateStackPtr; @@ -98,12 +102,11 @@ extern volatile SignalsType Signals; extern LimitsType Limits; extern std::vector RootMoves; extern Position RootPos; -extern Color RootColor; extern Time::point SearchTime; extern StateStackPtr SetupStates; extern void init(); -extern size_t perft(Position& pos, Depth depth); +extern uint64_t perft(Position& pos, Depth depth); extern void think(); } // namespace Search