return (int) rint (Staff_symbol_referencer::get_position (h));
}
-int
-Semi_tie::compare (Grob *const &s1,
- Grob *const &s2)
+bool
+Semi_tie::less (Grob *const &s1,
+ Grob *const &s2)
{
- return sign (get_position (s1) - get_position (s2));
+ return get_position (s1) < get_position (s2);
}