diff --git a/libsrc/gprim/adtree.cpp b/libsrc/gprim/adtree.cpp
index 0e4e7f6e..2f5ac117 100644
--- a/libsrc/gprim/adtree.cpp
+++ b/libsrc/gprim/adtree.cpp
@@ -1988,7 +1988,8 @@ namespace netgen
       }
   }
 */
-  
+
+  /*
   template <int dim, typename T>
   void T_ADTree<dim,T> :: PrintRec (ostream & ost, const T_ADTreeNode<dim,T> * node) const
   {
@@ -2030,8 +2031,7 @@ namespace netgen
       els += ElementsRec(node->right);
     return els;
   }
-
-
+*/
 
 
   
diff --git a/libsrc/gprim/adtree.hpp b/libsrc/gprim/adtree.hpp
index aa17c474..6ab7669e 100644
--- a/libsrc/gprim/adtree.hpp
+++ b/libsrc/gprim/adtree.hpp
@@ -609,9 +609,45 @@ public:
     int Elements () const
     { return ElementsRec (root); }
     
-    void PrintRec (ostream & ost, const T_ADTreeNode<dim,T> * node) const;
-    int DepthRec (const T_ADTreeNode<dim,T> * node) const;
-    int ElementsRec (const T_ADTreeNode<dim,T> * node) const;
+    void PrintRec (ostream & ost, const T_ADTreeNode<dim,T> * node) const
+    {
+      
+      // if (node->data)     // true anyway
+      {
+	ost << node->pi << ": ";
+	ost << node->nchilds << " childs, ";
+	for (int i = 0; i < dim; i++)
+	  ost << node->data[i] << " ";
+	ost << endl;
+      }
+      if (node->left)
+        PrintRec (ost, node->left);
+      if (node->right)
+        PrintRec (ost, node->right);
+    }
+
+    int DepthRec (const T_ADTreeNode<dim,T> * node) const
+    {
+      int ldepth = 0;
+      int rdepth = 0;
+      
+      if (node->left)
+        ldepth = DepthRec(node->left);
+      if (node->right)
+        rdepth = DepthRec(node->right);
+      return 1 + max2 (ldepth, rdepth);
+    }
+    
+    int ElementsRec (const T_ADTreeNode<dim,T> * node) const
+    {
+      int els = 1;
+      if (node->left)
+        els += ElementsRec(node->left);
+      if (node->right)
+      els += ElementsRec(node->right);
+      return els;
+    }
+    
     
     void PrintMemInfo (ostream & ost) const
     {