FIX: approximate closely the node size in memory

include/lsrmBaatzSegmenter.h

@@ -94,7 +94,7 @@ namespace lsrm
 		float ComputeMergingCost(NodePointerType n1, NodePointerType n2);
 		void UpdateSpecificAttributes(NodePointerType n1, NodePointerType n2);
 		void InitFromImage();
-		unsigned int GetNodeMemory(NodePointerType &node);
+		long long unsigned int GetNodeMemory(NodePointerType &node);
 	};
 	
 } // end of namespace lsrm

include/lsrmBaatzSegmenter.txx

@@ -131,7 +131,7 @@ namespace lsrm
 	}
 
     template<class TImage>
-    unsigned int
+    long long unsigned int
     BaatzSegmenter<TImage>::GetNodeMemory(NodePointerType &node)
     {
 

include/lsrmSegmenter.h

@@ -84,7 +84,7 @@ namespace lsrm
 		/*
 		 * Returns the memory (in bytes) occupied by one node of the graph
 		 */
-		virtual unsigned int GetNodeMemory(NodePointerType &node) = 0;
+		virtual long long unsigned int GetNodeMemory(NodePointerType &node) = 0;
 
         /*
          * Returns the memory (in bytes) occupied by the entire graph