/* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2024 The Stockfish developers (see AUTHORS file) Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Stockfish is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #include "score.h" #include #include #include #include "uci.h" namespace Stockfish { Score::Score(Value v, const Position& pos) { assert(-VALUE_INFINITE < v && v < VALUE_INFINITE); if (!is_decisive(v)) { score = InternalUnits{UCIEngine::to_cp(v, pos)}; } else if (std::abs(v) <= VALUE_TB) { auto distance = VALUE_TB - std::abs(v); score = (v > 0) ? Tablebase{distance, true} : Tablebase{-distance, false}; } else { auto distance = VALUE_MATE - std::abs(v); score = (v > 0) ? Mate{distance} : Mate{-distance}; } } }