X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finclude%2Fpitch-interval.hh;h=a10aed5c9cb4e5a4b69cb619c76ec1bbf168f71f;hb=5b4b0d6e9a197e8f9eb085b7c2ad78b8be3e5cfc;hp=ab8b51eddea35ec20853c5b4c2df9a89144eee67;hpb=474c8729dc274a30558102a015a01fa5882673db;p=lilypond.git

diff --git a/lily/include/pitch-interval.hh b/lily/include/pitch-interval.hh
index ab8b51edde..a10aed5c9c 100644
--- a/lily/include/pitch-interval.hh
+++ b/lily/include/pitch-interval.hh
@@ -3,7 +3,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 2004--2007 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  (c) 2004--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef 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;
 };