Index: vector_of_vector.hpp
===================================================================
RCS file: /cvsroot/boost/boost/boost/numeric/ublas/vector_of_vector.hpp,v
retrieving revision 1.27
diff -u -p -r1.27 vector_of_vector.hpp
--- vector_of_vector.hpp	18 May 2006 16:44:57 -0000	1.27
+++ vector_of_vector.hpp	5 Jul 2006 13:52:46 -0000
@@ -110,10 +110,17 @@ namespace boost { namespace numeric { na
             return size2_;
         }
         BOOST_UBLAS_INLINE
-        size_type non_zeros () const {
+        size_type nnz_capacity () const {
             size_type non_zeros = 0;
-            for (const_vectoriterator_type itv = data_ ().begin (); itv != data_ ().end (); ++ itv)
-                non_zeros += (*itv).size ();
+            for (const_vectoriterator_type itv = data_.begin (); itv != data_.end (); ++ itv)
+                non_zeros += (*itv).nnz_capacity ();
+            return non_zeros;
+        }
+        BOOST_UBLAS_INLINE
+        size_type nnz () const {
+            size_type non_zeros = 0;
+            for (const_vectoriterator_type itv = data_.begin (); itv != data_.end (); ++ itv)
+                non_zeros += (*itv).nnz ();
             return non_zeros;
         }