2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond 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 LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
40 This is necessary to safely write loops,
45 is otherwise transformed into true unconditionally.
48 DIRECTION_NEG_LIMIT = -2,
52 other_dir (Direction const d)
54 return (Direction) (-d);
58 operator - (Direction const d)
67 if (*i == (Direction)1)
69 else if (*i == (Direction) - 1)
75 if d > 0: the max operator
76 if d < 0: the min operator
78 template<class T> T minmax (Direction d, T, T);
80 // String direction_string (Direction, Axis);
82 #endif // DIRECTION_HH