mirror of
https://github.com/sockspls/badfish
synced 2025-05-01 09:13:08 +00:00
c55ae376f6
Fix another case of 9032c6cbe7
* TB values can have a distance of 0, mainly when we are in a tb position but haven't found mate.
* Add a missing whitespace to UCIEngine::on_update_no_moves()
Closes https://github.com/official-stockfish/Stockfish/pull/5172
No functional change
70 lines
1.6 KiB
C++
70 lines
1.6 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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#ifndef SCORE_H_INCLUDED
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#define SCORE_H_INCLUDED
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#include <variant>
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#include <utility>
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#include "types.h"
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namespace Stockfish {
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class Position;
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class Score {
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public:
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struct Mate {
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int plies;
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};
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struct Tablebase {
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int plies;
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bool win;
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};
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struct InternalUnits {
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int value;
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};
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Score() = default;
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Score(Value v, const Position& pos);
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template<typename T>
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bool is() const {
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return std::holds_alternative<T>(score);
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}
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template<typename T>
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T get() const {
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return std::get<T>(score);
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}
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template<typename F>
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decltype(auto) visit(F&& f) const {
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return std::visit(std::forward<F>(f), score);
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}
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private:
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std::variant<Mate, Tablebase, InternalUnits> score;
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};
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}
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#endif // #ifndef SCORE_H_INCLUDED
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