- return Moment (Rational (ly_scm2int (n), ly_scm2int (d)),
- Rational (grace_num, grace_den)).smobbed_copy ();
-}
-
-LY_DEFINE (ly_add_moment, "ly:add-moment",
- 2, 0, 0, (SCM a, SCM b),
- "Add two moments.")
-{
- Moment *ma = unsmob_moment (a);
- Moment *mb = unsmob_moment (b);
- SCM_ASSERT_TYPE (ma, a, SCM_ARG1, __FUNCTION__, "moment");
- SCM_ASSERT_TYPE (mb, b, SCM_ARG2, __FUNCTION__, "moment");
- return (*ma + *mb).smobbed_copy ();
-}
-
-LY_DEFINE (ly_mul_moment,"ly:mul-moment",
- 2, 0, 0, (SCM a, SCM b),
- "Multiply two moments.")
-{
- Moment *ma = unsmob_moment (a);
- Moment *mb = unsmob_moment (b);
- SCM_ASSERT_TYPE (ma, a, SCM_ARG1, __FUNCTION__, "moment");
- SCM_ASSERT_TYPE (mb, b, SCM_ARG2, __FUNCTION__, "moment");
- return (*ma * *mb).smobbed_copy ();
-}
-
-LY_DEFINE (ly_div_moment,"ly:div-moment",
- 2, 0, 0, (SCM a, SCM b),
- "Divide two moments.")
-{
- Moment *ma = unsmob_moment (a);
- Moment *mb = unsmob_moment (b);
- SCM_ASSERT_TYPE (ma, a, SCM_ARG1, __FUNCTION__, "moment");
- SCM_ASSERT_TYPE (mb, b, SCM_ARG2, __FUNCTION__, "moment");
- return (*ma / *mb).smobbed_copy ();