-/*
- Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
-
- 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 <http://www.gnu.org/licenses/>.
-*/
-
-
-////
-//// Includes
-////
-
-#include <cassert>
-#include <string>
-
-#include "square.h"
-
-
-////
-//// Functions
-////
-
-
-/// Translating files, ranks and squares to/from characters and strings:
-
-File file_from_char(char c) {
- return File(c - 'a') + FILE_A;
-}
-
-
-char file_to_char(File f) {
- return char(f - FILE_A) + 'a';
-}
-
-
-Rank rank_from_char(char c) {
- return Rank(c - '1') + RANK_1;
-}
-
-
-char rank_to_char(Rank r) {
- return char(r - RANK_1) + '1';
-}
-
-
-Square square_from_string(const std::string &str) {
- return make_square(file_from_char(str[0]), rank_from_char(str[1]));
-}
-
-
-const std::string square_to_string(Square s) {
- std::string str;
- str += file_to_char(square_file(s));
- str += rank_to_char(square_rank(s));
- return str;
-}
-
-
-/// file_is_ok(), rank_is_ok() and square_is_ok(), for debugging:
-
-bool file_is_ok(File f) {
- return f >= FILE_A && f <= FILE_H;
-}
-
-
-bool rank_is_ok(Rank r) {
- return r >= RANK_1 && r <= RANK_8;
-}
-
-
-bool square_is_ok(Square s) {
- return file_is_ok(square_file(s)) && rank_is_ok(square_rank(s));
-}