/*
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};
}
}
}