source file of the GNU LilyPond music typesetter
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1999--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include "rational.hh"
/**
- Rationals with glue for Guilification;
- */
-struct Moment : public Rational
+ Musical timing (Main-timing, grace-timing) with glue for
+ Guilification;
+*/
+class Moment
{
- Moment () { self_scm_ = SCM_EOL; }
- Moment (int m) : Rational (m) {self_scm_ = SCM_EOL; }
- Moment (int m, int n) : Rational (m,n) {self_scm_ = SCM_EOL; }
- Moment (Rational m) : Rational (m) {self_scm_ = SCM_EOL; }
- ~Moment ();
+ DECLARE_SIMPLE_SMOBS (Moment,);
+public:
+ Moment ();
+ Moment (int m);
+
+ Moment (Rational, Rational);
+ Moment (Rational m);
+
+ Moment operator - () const;
- DECLARE_SMOBS;
-};
+ void operator += (Moment const &m);
+ void operator -= (Moment const &m);
-SCM smobify (Moment*);
-Moment * unsmob_moment (SCM);
+ void operator *= (Moment const &m);
+ void operator /= (Moment const &m);
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, / );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, + );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, * );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, - );
-IMPLEMENT_ARITHMETIC_OPERATOR (Moment, % );
+ Rational main_part_;
+ Rational grace_part_;
-INSTANTIATE_COMPARE (Moment const&, Rational::compare);
+ void set_infinite (int k);
+ bool to_bool () const;
+ int den () const;
+ int num () const;
+ /*
+ Deliver a copy of THIS as a smobified SCM
+ */
+ SCM smobbed_copy () const;
+ String to_string () const;
+ static int compare (Moment const&, Moment const&);
+
+};
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, + );
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, - );
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, / );
+IMPLEMENT_ARITHMETIC_OPERATOR (Moment, * );
-/**
- A really big time-moment.
- Windhoze-suck-suck-suck-suck-suck-thank-you-cygnus
+DECLARE_UNSMOB(Moment,moment);
+int compare (Moment const&,Moment const&);
+INSTANTIATE_COMPARE (Moment const&, Moment::compare);
- I get tired of all these incompatibilities. Let's just assume that
- INT_MAX is really, really, really big.
- Can't we name this Saint_jut_mom (Sintjuttemis ?) */
-
-/* URG ! WE HAVE TWO RATIONAL INFINITIES! */
-const Moment infinity_mom = INT_MAX;
+#ifdef STREAM_SUPPORT
+std::ostream & operator << (std::ostream &, Moment const &);
+#endif
#endif /* MOMENT_HH */