s/ly:font-load/ly:system-font-load/.

[lilypond.git] / lily / include / pitch-interval.hh

diff --git a/lily/include/pitch-interval.hh b/lily/include/pitch-interval.hh
index ab8b51eddea35ec20853c5b4c2df9a89144eee67..04bd23a70227a94ceac31dbe6631699a49b5095f 100644 (file)
--- a/lily/include/pitch-interval.hh
+++ b/lily/include/pitch-interval.hh
@@ -16,7 +16,16 @@ class Pitch_interval : public Drul_array<Pitch>
 public:
   Pitch_interval ();
   Pitch_interval (Pitch, Pitch);
-  void add_point (Pitch);
+  Drul_array<bool> add_point (Pitch);
+  bool is_empty () const;
+};
+
+class Pitch_lexicographic_interval : public Drul_array<Pitch>
+{
+public:
+  Pitch_lexicographic_interval ();
+  Pitch_lexicographic_interval (Pitch, Pitch);
+  Drul_array<bool> add_point (Pitch);
   bool is_empty () const;
 };