X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fconstrained-breaking.cc;h=1efae87e125047bdd317595a6124408fc5c98e4f;hb=c35ad8dd7d98e754c832497531da220936dbf69a;hp=4604f5439d0173ae9c048f448ee341a77644190f;hpb=c74523f061cba5fb50d307ff04e3507c8b36f5c8;p=lilypond.git

diff --git a/lily/constrained-breaking.cc b/lily/constrained-breaking.cc
index 4604f5439d..1efae87e12 100644
--- a/lily/constrained-breaking.cc
+++ b/lily/constrained-breaking.cc
@@ -189,7 +189,7 @@ Constrained_breaking::solve (vsize start, vsize end, vsize sys_count)
 vector<Column_x_positions>
 Constrained_breaking::best_solution (vsize start, vsize end)
 {
-  vsize min_systems =  min_system_count (start, end);
+  vsize min_systems = min_system_count (start, end);
   vsize max_systems = max_system_count (start, end);
   Real best_demerits = infinity_f;
   vector<Column_x_positions> best_so_far;
@@ -265,7 +265,7 @@ Constrained_breaking::min_system_count (vsize start, vsize end)
 int
 Constrained_breaking::max_system_count (vsize start, vsize end)
 {
-  vsize brk = (end >= start_.size ()) ? breaks_.size () : starting_breakpoints_[end];
+  vsize brk = (end >= start_.size ()) ? breaks_.size () - 1 : starting_breakpoints_[end];
   return brk - starting_breakpoints_[start];
 }
 
@@ -372,7 +372,10 @@ Constrained_breaking::initialize ()
 	  line.turn_permission_ = min_permission (line.page_permission_,
 						  line.turn_permission_);
 
-	  line.extent_ = extent.is_empty () ? Interval (0, 0) : extent;
+	  line.extent_ = (extent.is_empty ()
+			  || isnan (extent[LEFT])
+			  || isnan (extent[RIGHT]))
+	    ? Interval (0, 0) : extent;
 	  line.padding_ = padding;
 	  line.space_ = space;
 	  line.inverse_hooke_ = extent.length () + space;