Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
- Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2015-2017 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <cassert>
#include <iostream>
#include <sstream>
#include <string>
#include "position.h"
#include "search.h"
#include "thread.h"
+#include "tt.h"
#include "timeman.h"
#include "uci.h"
#include "syzygy/tbprobe.h"
Threads.start_thinking(pos, States, limits);
}
+ // On ucinewgame following steps are needed to reset the state
+ void newgame() {
+
+ TT.resize(Options["Hash"]);
+ Search::clear();
+ Tablebases::init(Options["SyzygyPath"]);
+ Time.availableNodes = 0;
+ }
+
} // namespace
Position pos;
string token, cmd;
+ newgame(); // Implied ucinewgame before the first position command
+
pos.set(StartFEN, false, &States->back(), Threads.main());
for (int i = 1; i < argc; ++i)
is >> skipws >> token;
// The GUI sends 'ponderhit' to tell us to ponder on the same move the
- // opponent has played. In case Signals.stopOnPonderhit is set we are
+ // opponent has played. In case Threads.stopOnPonderhit is set we are
// waiting for 'ponderhit' to stop the search (for instance because we
// already ran out of time), otherwise we should continue searching but
// switching from pondering to normal search.
if ( token == "quit"
|| token == "stop"
- || (token == "ponderhit" && Search::Signals.stopOnPonderhit))
+ || (token == "ponderhit" && Threads.stopOnPonderhit))
{
- Search::Signals.stop = true;
+ Threads.stop = true;
Threads.main()->start_searching(true); // Could be sleeping
}
else if (token == "ponderhit")
<< "\n" << Options
<< "\nuciok" << sync_endl;
- else if (token == "ucinewgame")
- {
- Search::clear();
- Tablebases::init(Options["SyzygyPath"]);
- Time.availableNodes = 0;
- }
+ else if (token == "ucinewgame") newgame();
else if (token == "isready") sync_cout << "readyok" << sync_endl;
else if (token == "go") go(pos, is);
else if (token == "position") position(pos, is);
string UCI::value(Value v) {
+ assert(-VALUE_INFINITE < v && v < VALUE_INFINITE);
+
stringstream ss;
if (abs(v) < VALUE_MATE - MAX_PLY)