# HG changeset patch
# User marci
# Date 1080040368 0
# Node ID 7fb8b67d2c5e2a594dc6eb5fa0538989246153eb
# Parent  ea3de9530ee885d5575751cbec95b633cfe77964
.

diff -r ea3de9530ee8 -r 7fb8b67d2c5e src/work/athos/xy/xy.h
--- a/src/work/athos/xy/xy.h	Mon Mar 22 17:27:20 2004 +0000
+++ b/src/work/athos/xy/xy.h	Tue Mar 23 11:12:48 2004 +0000
@@ -17,10 +17,10 @@
     public:
       
       ///Default constructor: both coordinates become 0
-      xy() { _x=_y=0; }
+      xy() : _x(0), _y(0 ){ /*_x=_y=0;*/ }
 
       ///Constructing from coordinates
-      xy(T a, T b) { _x=a; _y=b; }
+      xy(T a, T b) : _x(a), _x(b) { /*_x=a; _y=b;*/ }
 
       ///Gives back the x coordinate
       T x(){
diff -r ea3de9530ee8 -r 7fb8b67d2c5e src/work/marci/graph_wrapper.h
--- a/src/work/marci/graph_wrapper.h	Mon Mar 22 17:27:20 2004 +0000
+++ b/src/work/marci/graph_wrapper.h	Tue Mar 23 11:12:48 2004 +0000
@@ -328,8 +328,15 @@
   template<typename GraphWrapper>
   class RevGraphWrapper : public GraphWrapperSkeleton<GraphWrapper> {
   public:
+    typedef typename GraphWrapperSkeleton<GraphWrapper>::Node Node;
+    typedef typename GraphWrapperSkeleton<GraphWrapper>::Edge Edge;
     typedef typename GraphWrapperSkeleton<GraphWrapper>::OutEdgeIt InEdgeIt;
     typedef typename GraphWrapperSkeleton<GraphWrapper>::InEdgeIt OutEdgeIt;
+
+    Node head(const Edge& e) const 
+      { return GraphWrapperSkeleton<GraphWrapper>::tail(e); }
+    Node tail(const Edge& e) const 
+      { return GraphWrapperSkeleton<GraphWrapper>::head(e); }
     
     RevGraphWrapper(GraphWrapper _gw) : 
       GraphWrapperSkeleton<GraphWrapper>(_gw) { }