X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=02c209b1646fd4ab92469178a2127ffe30eb9787;hp=1688534b59b0782ac0de81f59a63f49853e0a194;hb=852d45a60004bc5a0a39a94e5a340af00dc317c1;hpb=d15217b953af28669dd3e5b46303b3ca882f353e diff --git a/src/search.h b/src/search.h index 1688534b..02c209b1 100644 --- a/src/search.h +++ b/src/search.h @@ -21,19 +21,20 @@ #define SEARCH_H_INCLUDED #include +#include -#include "move.h" #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 { -struct SearchStack { +/// 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 Stack { SplitPoint* sp; int ply; Move currentMove; @@ -47,25 +48,35 @@ struct SearchStack { }; -/// 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 SearchLimits { - - SearchLimits() { memset(this, 0, sizeof(SearchLimits)); } - - SearchLimits(int t, int i, int mtg, int mt, int md, int mn, bool inf, bool pon) - : time(t), increment(i), movesToGo(mtg), maxTime(mt), maxDepth(md), - maxNodes(mn), infinite(inf), ponder(pon) {} +struct LimitsType { + LimitsType() { memset(this, 0, sizeof(LimitsType)); } bool useTimeManagement() const { return !(maxTime | maxDepth | maxNodes | infinite); } int time, increment, movesToGo, maxTime, maxDepth, maxNodes, infinite, ponder; }; -extern void init_search(); + +/// 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 SearchMoves; +extern Position RootPosition; + +extern void init(); extern int64_t perft(Position& pos, Depth depth); -extern bool think(Position& pos, const SearchLimits& limits, Move searchMoves[]); +extern void think(); + +} // namespace #endif // !defined(SEARCH_H_INCLUDED)