* SConstruct: Further development.

[lilypond.git] / lily / bezier.cc

diff --git a/lily/bezier.cc b/lily/bezier.cc
index ffe48f240d241ab2fa483774141121d2ef950476..d46e63638b13816056bb49a314b7a7ea3f21954d 100644 (file)
--- a/lily/bezier.cc
+++ b/lily/bezier.cc
@@ -3,12 +3,12 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1998--2002 Jan Nieuwenhuizen <janneke@gnu.org>
+  (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include <math.h>
 
-#include "config.h"
+#include "config.hh"
 #include "warn.hh"
 #include "libc-extension.hh"
 #include "bezier.hh"
@@ -59,6 +59,9 @@ translate (Array<Offset>* array, Offset o)
   Formula of the bezier 3-spline
 
   sum_{j=0}^3 (3 over j) z_j (1-t)^ (3-j)  t^j
+
+
+  A is the axis of X coordinate.
  */
 
 Real
@@ -74,7 +77,9 @@ Bezier::get_other_coordinate (Axis a,  Real x) const
     }
   
   Offset c = curve_point (ts[0]);
-  assert (fabs (c[a] - x) < 1e-8);
+
+  if (fabs (c[a] - x) > 1e-8)
+    programming_error ("Bezier intersection not correct?");
   
   return c[other];
 }