/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2016 Marco Costalba, Joona Kiiski, Tord Romstad
+ 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
#define SEARCH_H_INCLUDED
#include <atomic>
-#include <memory> // For std::unique_ptr
-#include <stack>
#include <vector>
#include "misc.h"
#include "position.h"
#include "types.h"
+template<typename T, bool CM> struct Stats;
+typedef Stats<Value, true> CounterMoveStats;
+
namespace Search {
/// Stack struct keeps track of the information we need to remember from nodes
Value staticEval;
bool skipEarlyPruning;
int moveCount;
+ CounterMoveStats* counterMoves;
};
/// RootMove struct is used for moves at the root of the tree. For each root move
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;
std::vector<Move> pv;
};
-typedef std::vector<RootMove> RootMoveVector;
+typedef std::vector<RootMove> 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
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 {
std::atomic_bool stop, stopOnPonderhit;
};
-typedef std::unique_ptr<std::stack<StateInfo>> StateStackPtr;
-
extern SignalsType Signals;
extern LimitsType Limits;
-extern StateStackPtr SetupStates;
void init();
void clear();