--- a/src/ov-class.cc	Tue Apr 19 20:53:53 2011 -0400
+++ b/src/ov-class.cc	Tue Apr 19 21:23:28 2011 -0400
@@ -121,12 +121,15 @@
 {
   std::string retval = class_name ();
 
-  octave_function *fcn = octave_call_stack::current ();
+  if (nparents () > 0)
+    {
+      octave_function *fcn = octave_call_stack::current ();
 
-  // Here we are just looking to see if FCN is a method or constructor
-  // for any class, not specifically this one.
-  if (fcn->is_class_method () || fcn->is_class_constructor ())
-    retval = fcn->dispatch_class ();
+      // Here we are just looking to see if FCN is a method or constructor
+      // for any class, not specifically this one.
+      if (fcn && (fcn->is_class_method () || fcn->is_class_constructor ()))
+        retval = fcn->dispatch_class ();
+    }
 
   return retval;
 }

--- a/src/ov-class.h	Tue Apr 19 20:53:53 2011 -0400
+++ b/src/ov-class.h	Tue Apr 19 21:23:28 2011 -0400
@@ -127,10 +127,18 @@
   size_t nparents (void) const { return parent_list.size (); }
 
   octave_value reshape (const dim_vector& new_dims) const
-    { return map.reshape (new_dims); }
+    { 
+      octave_class retval = octave_class (*this);
+      retval.map = retval.map_value().reshape (new_dims);
+      return octave_value (new octave_class (retval));
+    }
 
   octave_value resize (const dim_vector& dv, bool = false) const
-    { octave_map tmap = map; tmap.resize (dv); return tmap; }
+    { 
+      octave_class retval = octave_class (*this);
+      retval.map.resize (dv);
+      return octave_value (new octave_class (retval));
+    }
 
   bool is_defined (void) const { return true; }