nothing

diff --git a/examples/step-69/step-69.cc b/examples/step-69/step-69.cc
index 1a95bb76e5e7949cc1d40dabd93a956a584e4a04..29efda38e6bb6e88329094a21bbc48b7a4174e5c 100644 (file)
--- a/examples/step-69/step-69.cc
+++ b/examples/step-69/step-69.cc
@@ -700,7 +700,11 @@ namespace Step69
   //   data using WorkStream. It acts as a container: it is just a
   //  struct where WorkStream stores the local cell contributions.
   // - <code>get_entry</code>: it reads the value stored at the entry
-  //  pointed by the iterator <code>it</code> of <code>matrix</code>
+  //  pointed by the iterator <code>it</code> of <code>matrix</code>. Here is
+  //  where we might want to keep an eye on complexity: we want this operation
+  //  to have constant complexity (that's the case of this implementation).
+  //  Note also that the return argument (<code>Matrix::value_type</code>) is 
+  //  going to be (in general) a double.
   // - <code>set_entry</code>: it sets <code>value</code> at the entry
   //  pointed by the iterator <code>it</code> of <code>matrix</code>.
   // - <code>gather_get_entry</code>: we note that