+/*
+ Set the tuplet start moment as necessary
+*/
+void
+update_tuplet (Moment start_moment, Rational factor, Moment *tuplet_start_moment)
+{
+ int tuplet_number = (int) factor.den ();
+ if ((tuplet_number > 1) && (tuplet_start_moment->num () < 0))
+ *tuplet_start_moment = start_moment;
+ else if (tuplet_number == 1)
+ *tuplet_start_moment = Moment (-1, 1);
+}
+