simplify and optimize pure-height calculations

[lilypond.git] / lily / include / spacing-options.hh

diff --git a/lily/include/spacing-options.hh b/lily/include/spacing-options.hh
index faebb55489e7d2eb0ba934c84d7c64ca3d7e41db..0b2d30b6640c255360ab9af752e84c52e3801ef4 100644 (file)
--- a/lily/include/spacing-options.hh
+++ b/lily/include/spacing-options.hh
@@ -3,7 +3,7 @@
   
   source file of the GNU LilyPond music typesetter
   
-  (c) 2006 Han-Wen Nienhuys <hanwen@lilypond.org>
+  (c) 2006--2007 Han-Wen Nienhuys <hanwen@lilypond.org>
   
 */
 
@@ -12,6 +12,12 @@
 
 #include "lily-proto.hh"
 #include "rational.hh"
+#include "std-vector.hh"
+
+/*
+  Various options for spacing. Usually inited from SpacingSpanner, but sometimes
+  from GraceSpacing.
+ */
 
 struct Spacing_options
 {
@@ -22,7 +28,7 @@ struct Spacing_options
   Rational global_shortest_;
   Real increment_;
   Real shortest_duration_space_;
-
+  
   Spacing_options();
   void init_from_grob (Grob *me);
   Real get_duration_space (Rational d, bool *) const;