X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=d805d4629424cf9a991ee1b06d8eb979d0dbdcc3;hp=53e7444c8ad205c5bb6cc34ce22e4b2009621d1f;hb=a29dd88f7563c5af871d9adc137218c39586b09c;hpb=81cd417b4584b0e3830940c5cb122c898afde08a diff --git a/src/search.h b/src/search.h index 53e7444c..d805d462 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) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2012 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 @@ -21,19 +21,20 @@ #define SEARCH_H_INCLUDED #include -#include +#include #include "types.h" class Position; struct SplitPoint; -/// 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. +namespace Search { + +/// The Stack 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 Stack objects, indexed by the current ply. -struct SearchStack { +struct Stack { SplitPoint* sp; int ply; Move currentMove; @@ -46,27 +47,30 @@ struct SearchStack { int skipNullMove; }; -namespace Search { -/// The SearchLimits struct stores information sent by GUI about available time +/// 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. struct LimitsType { LimitsType() { memset(this, 0, sizeof(LimitsType)); } - bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | infinite); } + bool use_time_management() const { return !(maxTime | maxDepth | maxNodes | infinite); } int time, increment, movesToGo, maxTime, maxDepth, maxNodes, 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. + struct SignalsType { bool stopOnPonderhit, firstRootMove, stop, failedLowAtRoot; }; extern volatile SignalsType Signals; extern LimitsType Limits; -extern std::vector RootMoves; +extern std::set SearchMoves; extern Position RootPosition; extern void init(); @@ -75,6 +79,4 @@ extern void think(); } // namespace -extern void do_timer_event(); - #endif // !defined(SEARCH_H_INCLUDED)