X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=bgl.h;h=0013f7e8d58330abdac144d5eb3ddcf69e8cb27e;hb=28782fcd01e38d28c19f65b0c6f02ee1c55a1255;hp=68700b98f611708361ea9bcc24ff4db49499d72f;hpb=732b811081946ad56d05769de8846b27375b7eb7;p=moebius2.git

diff --git a/bgl.h b/bgl.h
index 68700b9..0013f7e 100644
--- a/bgl.h
+++ b/bgl.h
@@ -5,6 +5,12 @@
 #ifndef BGL_H
 #define BGL_H
 
+#include "mgraph.h"
+
 double graph_layout_cost(const Vertices v, const double vertex_areas[N]);
+void graph_layout_prepare();
+
+double noncircular_rim_cost(const Vertices vertices);
+double edgewise_vertex_displacement_cost(const Vertices vertices);
 
 #endif /*BGL_H*/