X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fsearch.h;h=02c209b1646fd4ab92469178a2127ffe30eb9787;hp=65b3b4a7107d03668032db961be252dbb59a6981;hb=96213689e40c722b9d34edf9d58837c47f7b00e7;hpb=076b62310ee874adb38d2c9610aad163db65e2e8 diff --git a/src/search.h b/src/search.h index 65b3b4a7..02c209b1 100644 --- a/src/search.h +++ b/src/search.h @@ -20,37 +20,63 @@ #if !defined(SEARCH_H_INCLUDED) #define SEARCH_H_INCLUDED -#include "move.h" -#include "types.h" +#include +#include +#include "types.h" -/// 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. -struct EvalInfo; +class Position; struct SplitPoint; -struct SearchStack { +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 Stack { + SplitPoint* sp; int ply; Move currentMove; - Move mateKiller; Move excludedMove; Move bestMove; Move killers[2]; Depth reduction; Value eval; Value evalMargin; - bool skipNullMove; - SplitPoint* sp; + int skipNullMove; }; -class Position; -extern void init_threads(); -extern void exit_threads(); +/// 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); } + + 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 SearchMoves; +extern Position RootPosition; + +extern void init(); extern int64_t perft(Position& pos, Depth depth); -extern bool think(Position& pos, bool infinite, bool ponder, int time[], int increment[], - int movesToGo, int maxDepth, int maxNodes, int maxTime, Move searchMoves[]); +extern void think(); + +} // namespace #endif // !defined(SEARCH_H_INCLUDED)