-/* Should add optional args. */
-LY_DEFINE (make_pitch, "ly:make-pitch",
- 3, 0, 0, (SCM octave, SCM note, SCM alter),
- "@var{octave} is specified by an integer, "
- "zero for the octave containing middle C. "
- "@var{note} is a number from 0 to 6, "
- "with 0 corresponding to C and 6 corresponding to B. "
- "The @var{alter} is zero for a natural, negative for "
- "flats, or positive for sharps. ")
-{
- SCM_ASSERT_TYPE (scm_integer_p (octave)== SCM_BOOL_T , octave, SCM_ARG1, __FUNCTION__, "integer");
- SCM_ASSERT_TYPE (scm_integer_p (note)== SCM_BOOL_T, note, SCM_ARG2, __FUNCTION__, "integer");
- SCM_ASSERT_TYPE (scm_integer_p (alter)== SCM_BOOL_T, alter, SCM_ARG3, __FUNCTION__, "integer");
-
- Pitch p (gh_scm2int (octave), gh_scm2int (note), gh_scm2int (alter));
- return p.smobbed_copy ();
-}
-
-LY_DEFINE (pitch_steps, "ly:pitch-steps", 1, 0, 0,
- (SCM p),
- "Number of steps counted from middle C of the pitch @var{p}.")
-{
- Pitch *pp = unsmob_pitch (p);
- SCM_ASSERT_TYPE (pp, p, SCM_ARG1, __FUNCTION__, "Pitch");
- return gh_int2scm (pp->steps ());
-}
-
-LY_DEFINE (pitch_octave, "ly:pitch-octave",
- 1, 0, 0, (SCM pp),
- "Extract the octave from pitch @var{p}.")
-{
- Pitch *p = unsmob_pitch (pp);
- SCM_ASSERT_TYPE (p, pp, SCM_ARG1, __FUNCTION__, "Pitch");
- int q = p->get_octave ();
- return gh_int2scm (q);
-}
-
-LY_DEFINE (pitch_alteration, "ly:pitch-alteration",
- 1, 0, 0, (SCM pp),
- "Extract the alteration from pitch @var{p}.")
-{
- Pitch *p = unsmob_pitch (pp);
- SCM_ASSERT_TYPE (p, pp, SCM_ARG1, __FUNCTION__, "Pitch");
- int q = p->get_alteration ();
-
- return gh_int2scm (q);
-}
-
-LY_DEFINE (pitch_notename, "ly:pitch-notename",
- 1, 0, 0, (SCM pp),
- "Extract the note name from pitch @var{pp}.")
-{
- Pitch *p = unsmob_pitch (pp);
- SCM_ASSERT_TYPE (p, pp, SCM_ARG1, __FUNCTION__, "Pitch");
- int q = p->get_notename ();
- return gh_int2scm (q);
-}
-
-LY_DEFINE (ly_pitch_quartertones, "ly:pitch-quartertones",
- 1, 0, 0, (SCM pp),
- "Calculate the number of quarter tones of @var{p} from middle C.")
-{
- Pitch *p = unsmob_pitch (pp);
- SCM_ASSERT_TYPE (p, pp, SCM_ARG1, __FUNCTION__, "Pitch");
- int q = p->quartertone_pitch ();
- return gh_int2scm (q);
-}
-
-LY_DEFINE (ly_pitch_semitones, "ly:pitch-semitones",
- 1, 0, 0, (SCM pp),
- "calculate the number of semitones of @var{p} from middle C.")
-{
- Pitch *p = unsmob_pitch (pp);
- SCM_ASSERT_TYPE (p, pp, SCM_ARG1, __FUNCTION__, "Pitch");
- int q = p->semitone_pitch ();
- return gh_int2scm (q);
-}
-
-LY_DEFINE (pitch_less, "ly:pitch<?",
- 2, 0, 0, (SCM p1, SCM p2),
- "Is @var{p1} lexicographically smaller than @var{p2}?")
-{
- Pitch *a = unsmob_pitch (p1);
- Pitch *b = unsmob_pitch (p2);
-
- SCM_ASSERT_TYPE (a, p1, SCM_ARG1, __FUNCTION__, "Pitch");
- SCM_ASSERT_TYPE (b, p2, SCM_ARG2, __FUNCTION__, "Pitch");
-
- if (Pitch::compare (*a, *b) < 0)
- return SCM_BOOL_T;
- else
- return SCM_BOOL_F;
-}
-
-LY_DEFINE (ly_pitch_diff, "ly:pitch-diff",
- 2 ,0, 0, (SCM pitch, SCM root),
- "Return pitch @var{delta} such that @code{pitch} transposed by "
- "@var{delta} equals @var{root}" )
-{
- Pitch *p = unsmob_pitch (pitch);
- Pitch *r = unsmob_pitch (root);
- SCM_ASSERT_TYPE (p, pitch, SCM_ARG1, __FUNCTION__, "Pitch");
- SCM_ASSERT_TYPE (r, root, SCM_ARG2, __FUNCTION__, "Pitch");
-
- return interval (*r, *p).smobbed_copy ();
-}
-
-SCM
-Pitch::smobbed_copy ()const
-{
- Pitch *p = new Pitch (*this);
- return p->smobbed_self ();
-}
-