-/*
- moment.hh -- declare Moment
-
- source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 1999--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+ LilyPond 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.
+
+ LilyPond 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 LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
#ifndef MOMENT_HH
#define MOMENT_HH
#include "rational.hh"
/**
- Rationals with glue for Guilification;
-
- FIXME: remove self_scm_ and then remove this class */
-class Moment : public Rational
+ Musical timing (Main-timing, grace-timing) with glue for
+ Guilification;
+*/
+class Moment : public Simple_smob<Moment>
{
- DECLARE_SIMPLE_SMOBS(Moment,);
public:
- Moment () { }
- Moment (int m) : Rational (m) { }
- Moment (int m, int n) : Rational (m,n) { }
- Moment (Rational m) : Rational (m) { }
+ static SCM equal_p (SCM, SCM);
+ int print_smob (SCM, scm_print_state *) const;
+ static const char * const type_p_name_;
+ Moment ();
+ Moment (int m);
+
+ Moment (Rational, Rational);
+ Moment (Rational m);
+
+ Moment operator - () const;
+
+ void operator += (Moment const &m);
+ void operator -= (Moment const &m);
+ void operator *= (Moment const &m);
+ void operator /= (Moment const &m);
+ void operator %= (Moment const &m);
+
+ Rational main_part_;
+ Rational grace_part_;
+
+ void set_infinite (int k);
+
+ bool to_bool () const;
+ I64 den () const;
+ I64 num () const;
/*
Deliver a copy of THIS as a smobified SCM
- */
- SCM make_scm () const;
+ */
+ string to_string () const;
+ static int compare (Moment const &, Moment const &);
+ SCM as_scheme () const;
};
-
-Moment * unsmob_moment (SCM);
-
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, +);
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, -);
IMPLEMENT_ARITHMETIC_OPERATOR (Moment, / );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, + );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, * );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, - );
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, *);
IMPLEMENT_ARITHMETIC_OPERATOR (Moment, % );
-INSTANTIATE_COMPARE (Moment const&, Rational::compare);
+int compare (Moment const &, Moment const &);
+INSTANTIATE_COMPARE (Moment const &, Moment::compare);
+Moment robust_scm2moment (SCM, Moment);
-#endif /* MOMENT_HH */
+#ifdef STREAM_SUPPORT
+ostream &operator << (ostream &, Moment const &);
+#endif
+bool moment_less (SCM a, SCM b);
+
+#endif /* MOMENT_HH */