2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 1997--2014 Jan Nieuwenhuizen <janneke@gnu.org>
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/>.
28 struct Duration : public Simple_smob<Duration>
30 static SCM equal_p (SCM, SCM);
31 static int print_smob (SCM, SCM, scm_print_state *);
32 static const char type_p_name_[];
35 Duration (Rational, bool scale);
36 string to_string () const;
38 Duration compressed (Rational) const;
39 Rational get_length () const;
40 Rational factor () const { return factor_; }
41 int duration_log () const;
42 int dot_count () const;
44 static int compare (Duration const &, Duration const &);
46 DECLARE_SCHEME_CALLBACK (less_p, (SCM a, SCM b));
49 /// Logarithm of the base duration.
56 INSTANTIATE_COMPARE (Duration, Duration::compare);
58 extern SCM Duration_type_p_proc;