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2d0237db3f
This introduces clang-format to enforce a consistent code style for Stockfish. Having a documented and consistent style across the code will make contributing easier for new developers, and will make larger changes to the codebase easier to make. To facilitate formatting, this PR includes a Makefile target (`make format`) to format the code, this requires clang-format (version 17 currently) to be installed locally. Installing clang-format is straightforward on most OS and distros (e.g. with https://apt.llvm.org/, brew install clang-format, etc), as this is part of quite commonly used suite of tools and compilers (llvm / clang). Additionally, a CI action is present that will verify if the code requires formatting, and comment on the PR as needed. Initially, correct formatting is not required, it will be done by maintainers as part of the merge or in later commits, but obviously this is encouraged. fixes https://github.com/official-stockfish/Stockfish/issues/3608 closes https://github.com/official-stockfish/Stockfish/pull/4790 Co-Authored-By: Joost VandeVondele <Joost.VandeVondele@gmail.com>
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file)
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Stockfish is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Stockfish is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TBPROBE_H
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#define TBPROBE_H
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#include <string>
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#include "../search.h"
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namespace Stockfish {
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class Position;
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}
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namespace Stockfish::Tablebases {
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enum WDLScore {
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WDLLoss = -2, // Loss
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WDLBlessedLoss = -1, // Loss, but draw under 50-move rule
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WDLDraw = 0, // Draw
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WDLCursedWin = 1, // Win, but draw under 50-move rule
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WDLWin = 2, // Win
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};
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// Possible states after a probing operation
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enum ProbeState {
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FAIL = 0, // Probe failed (missing file table)
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OK = 1, // Probe successful
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CHANGE_STM = -1, // DTZ should check the other side
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ZEROING_BEST_MOVE = 2 // Best move zeroes DTZ (capture or pawn move)
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};
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extern int MaxCardinality;
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void init(const std::string& paths);
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WDLScore probe_wdl(Position& pos, ProbeState* result);
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int probe_dtz(Position& pos, ProbeState* result);
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bool root_probe(Position& pos, Search::RootMoves& rootMoves);
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bool root_probe_wdl(Position& pos, Search::RootMoves& rootMoves);
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void rank_root_moves(Position& pos, Search::RootMoves& rootMoves);
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} // namespace Stockfish::Tablebases
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#endif
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