-
-MAKE_SCHEME_CALLBACK (Duration, less_p, 2);
-SCM
-Duration::less_p (SCM p1, SCM p2)
-{
- Duration *a = unsmob_duration (p1);
- Duration *b = unsmob_duration (p2);
-
- if (compare (*a, *b) < 0)
- return SCM_BOOL_T;
- else
- return SCM_BOOL_F;
-}
-
-
-LY_DEFINE(make_duration,
- "make-duration", 2, 0, 0, (SCM length, SCM dotcount),
- "
-@var{length} is the negative logarithm (base 2) of the duration:
-1 is a half note, 2 is a quarter note, 3 is an eighth
-note, etc. The number of dots after the note is given by
-@var{dotcount}.
-
-
-A duration is a musical duration, i.e. a length of time described by a
-power of two (whole, half, quarter, etc.) and a number of augmentation
-dots.
-
-")
-{
- SCM_ASSERT_TYPE(gh_number_p(length), length, SCM_ARG1, __FUNCTION__, "integer");
- SCM_ASSERT_TYPE(gh_number_p(dotcount), dotcount, SCM_ARG2, __FUNCTION__, "integer");
-
- Duration p (gh_scm2int (length), gh_scm2int (dotcount));
- return p.smobbed_copy ();
-}
-
-SCM
-Duration::smobbed_copy ()const
-{
- Duration * p = new Duration (*this);
- return p->smobbed_self ();
-}