--- a/src/DLD-FUNCTIONS/inv.cc	Thu May 22 22:00:26 2008 +0200
+++ b/src/DLD-FUNCTIONS/inv.cc	Mon Jun 02 16:57:45 2008 +0200
@@ -175,6 +175,17 @@
   return retval;
 }
 
+/*
+
+%!assert(inv ([1, 2; 3, 4]), [-2, 1; 1.5, -0.5], sqrt (eps))
+%!assert(inv (single([1, 2; 3, 4])), single([-2, 1; 1.5, -0.5]), sqrt (eps ('single')))
+
+%!error <Invalid call to inv.*> inv ();
+%!error <Invalid call to inv.*> inv ([1, 2; 3, 4], 2);
+%!error inv ([1, 2; 3, 4; 5, 6]);
+
+ */
+
 // FIXME -- this should really be done with an alias, but
 // alias_builtin() won't do the right thing if we are actually using
 // dynamic linking.