diff -r 46b5323c8f25 boost/numeric/ublas/storage.hpp
--- a/boost/numeric/ublas/storage.hpp	Tue Apr 24 13:33:16 2007 -0400
+++ b/boost/numeric/ublas/storage.hpp	Tue Apr 24 14:09:09 2007 -0400
@@ -116,7 +116,7 @@ namespace boost { namespace numeric { na
         // Resizing
     private:
         BOOST_UBLAS_INLINE
-        void resize_internal (const size_type size, const value_type init, const bool preserve) {
+        void resize_internal (const size_type size, value_type const& init, const bool preserve, const bool do_init) {
             if (size != size_) {
                 pointer p_data = data_;
                 if (size) {
@@ -135,13 +135,15 @@ namespace boost { namespace numeric { na
                                 alloc_.construct (di, *si);
                                 ++di;
                             }
-                            for (; di != data_ + size; ++di) {
+			    if (do_init) {
+			      for (; di != data_ + size; ++di) {
                                 alloc_.construct (di, init);
+			      }
                             }
                         }
                     }
                     else {
-                        if (! detail::has_trivial_constructor<T>::value) {
+		      if (do_init) {
                             for (pointer di = data_; di != data_ + size; ++di)
                                 alloc_.construct (di, value_type());
                         }
@@ -162,13 +164,13 @@ namespace boost { namespace numeric { na
             }
         }
     public:
-        BOOST_UBLAS_INLINE
-        void resize (size_type size) {
-            resize_internal (size, value_type (), false);
-        }
-        BOOST_UBLAS_INLINE
-        void resize (size_type size, value_type init) {
-            resize_internal (size, init, true);
+//         BOOST_UBLAS_INLINE
+//         void resize (size_type size) {
+// 	  resize_internal (size, value_type (), false, !detail::has_trivial_destructor<T>::value);
+//         }
+        BOOST_UBLAS_INLINE
+        void resize (size_type size, bool preserve=false, value_type const& init=value_type(), bool do_init=!detail::has_trivial_constructor<value_type>::value) {
+	  resize_internal (size, init, preserve, do_init);
         }
                     
         // Random Access Container
diff -r 46b5323c8f25 boost/numeric/ublas/vector.hpp
--- a/boost/numeric/ublas/vector.hpp	Tue Apr 24 13:33:16 2007 -0400
+++ b/boost/numeric/ublas/vector.hpp	Tue Apr 24 14:09:09 2007 -0400
@@ -109,15 +109,12 @@ namespace boost { namespace numeric { na
         // Resizing
         BOOST_UBLAS_INLINE
         void resize (size_type size, bool preserve = true) {
-            if (preserve)
-                data ().resize (size, typename A::value_type ());
-            else
-                data ().resize (size);
-        }
-
-        BOOST_UBLAS_INLINE
-        void resize (size_type size, value_type const& init) {
-	  data ().resize (size, init);
+	  data ().resize (size, preserve);
+        }
+
+        BOOST_UBLAS_INLINE
+        void resize (size_type size, value_type const& init, bool preserve=true) {
+	  data ().resize (size, preserve, init, true);
         }
 
         // Element support