X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=mgraph.h;h=0991a7ff98ff0e92da1dbc6061a3b873c69ae8d9;hb=732b811081946ad56d05769de8846b27375b7eb7;hp=ae341fae532786f45a2b53c779802eeb47ab0f25;hpb=1050281a7d39f56431d9f36a6af4b19774419b75;p=moebius2.git

diff --git a/mgraph.h b/mgraph.h
index ae341fa..0991a7f 100644
--- a/mgraph.h
+++ b/mgraph.h
@@ -1,3 +1,6 @@
+/*
+ * Graph topology
+ */
 /*
  * Vertices in strip are numbered as follows:
  *
@@ -80,7 +83,7 @@
 extern int edge_end2(unsigned v1, int e);
 #define EDGE_END2 edge_end2
 
-#define FOR_VEDGE_X(v1,e,init,otherwise)	\
+#define FOR_VEDGE_X(v1,e,v2,init,otherwise)	\
   FOR_VPEDGE((v1),(e))				\
     if (((v2)= EDGE_END2((v1),(e)),		\
 	 (init),				\
@@ -88,11 +91,11 @@ extern int edge_end2(unsigned v1, int e);
 
 #define NOTHING ((void)0)
 
-#define FOR_VEDGE(v1,e) \
-  FOR_VEDGE_X(v1,e,NOTHING,NOTHING)
+#define FOR_VEDGE(v1,e,v2)			\
+  FOR_VEDGE_X(v1,e,v2,NOTHING,NOTHING)
 
-#define FOR_EDGE(v1,e,v2) \
-  FOR_VERTEX((v1)) \
+#define FOR_EDGE(v1,e,v2)			\
+  FOR_VERTEX((v1))				\
     FOR_VEDGE((v1),(e),(v2))
 
 #define FOR_COORD(k) \
@@ -100,11 +103,6 @@ extern int edge_end2(unsigned v1, int e);
 
 #define K FOR_COORD(k)
 
-typedef struct {
-  double v[N][D3];
-} Layout;
-
-double hypotD(const double p[D3], const double q[D3]);
-double hypotD2(const double p[D3], const double q[D3]);
+typedef double Vertices[N][D3];
 
 #endif /*MGRAPH_H*/