mirror of
https://github.com/sockspls/badfish
synced 2025-04-29 16:23:09 +00:00
57e06be71f
Thanks to peregrineshahin and robbyrobbyrob for their suggestions. closes https://github.com/official-stockfish/Stockfish/pull/5696 No functional change
48 lines
No EOL
1.4 KiB
C++
48 lines
No EOL
1.4 KiB
C++
/*
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Stockfish, a UCI chess playing engine derived from Glaurung 2.1
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Copyright (C) 2004-2024 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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#include "score.h"
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#include <cassert>
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#include <cmath>
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#include <cstdlib>
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#include "uci.h"
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namespace Stockfish {
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Score::Score(Value v, const Position& pos) {
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assert(-VALUE_INFINITE < v && v < VALUE_INFINITE);
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if (!is_decisive(v))
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{
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score = InternalUnits{UCIEngine::to_cp(v, pos)};
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}
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else if (std::abs(v) <= VALUE_TB)
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{
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auto distance = VALUE_TB - std::abs(v);
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score = (v > 0) ? Tablebase{distance, true} : Tablebase{-distance, false};
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}
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else
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{
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auto distance = VALUE_MATE - std::abs(v);
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score = (v > 0) ? Mate{distance} : Mate{-distance};
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}
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}
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} |