2 Stockfish, a UCI chess playing engine derived from Glaurung 2.1
3 Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
4 Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
6 Stockfish is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 Stockfish is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
35 /// Translating piece types to/from English piece letters
37 static const string PieceChars(" pnbrqk PNBRQK");
39 char piece_type_to_char(PieceType pt, bool upcase) {
41 return PieceChars[pt + int(upcase) * 7];
44 PieceType piece_type_from_char(char c) {
46 size_t idx = PieceChars.find(c);
48 return idx != string::npos ? PieceType(idx % 7) : PIECE_TYPE_NONE;