/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
return SignedDirection(SignedDirectionTable[s1][s2]);
}
-inline bool direction_is_diagonal(Square s1, Square s2) {
+inline int direction_is_diagonal(Square s1, Square s2) {
return DirectionTable[s1][s2] & 2;
}