Fixed template warning.

diff --git a/src/removeoverlap/pairingheap/PairingHeap.h b/src/removeoverlap/pairingheap/PairingHeap.h
index f8c3abf3529411a7df1b9121ad58a7427e8036e2..52941873bbbcd5a9213e29880055f43e1928f349 100644 (file)
--- a/src/removeoverlap/pairingheap/PairingHeap.h
+++ b/src/removeoverlap/pairingheap/PairingHeap.h
@@ -38,23 +38,26 @@
 
 // Node and forward declaration because g++ does
 // not understand nested classes.
-template <class T>
+template <class T> 
 class PairingHeap;
 
+template <class T>
+std::ostream& operator<< (std::ostream &os,const PairingHeap<T> &b);
+
 template <class T>
 class PairNode
 {
-    template <class U> 
-        friend std::ostream& operator <<(std::ostream &os,const PairingHeap<U> &b);
-
+       friend std::ostream& operator<< <T>(std::ostream &os,const PairingHeap<T> &b);
        T   element;
        PairNode    *leftChild;
        PairNode    *nextSibling;
        PairNode    *prev;
 
-       PairNode( const T & theElement ) : element( theElement ),
-               leftChild(NULL), nextSibling(NULL), prev(NULL) { }
-               friend class PairingHeap<T>;
+       PairNode( const T & theElement ) :
+               element( theElement ),
+               leftChild(NULL), nextSibling(NULL), prev(NULL)
+               { }
+       friend class PairingHeap<T>;
 };
 
 template <class T>
@@ -67,8 +70,7 @@ public:
 template <class T>
 class PairingHeap
 {
-    template <class U>
-       friend std::ostream& operator <<(std::ostream &os,const PairingHeap<U> &b);
+       friend std::ostream& operator<< <T>(std::ostream &os,const PairingHeap<T> &b);
 public:
        PairingHeap( bool (*lessThan)(T const &lhs, T const &rhs) );
        PairingHeap( const PairingHeap & rhs );