Only other thing that occurs to me is that it could be related to the ALE stuff Roy had started on. That way same method can deal with both the "primary" system and the mesh system.

On Jun 20, 2013, at 5:51 PM, David Knezevic <> wrote:

On 06/21/2013 03:16 AM, Paul T. Bauman wrote:
Roy's going to have to chime in here on the decision, but it looks like the cached System reference is private in DiffContext, so FEMContext can't access it. I'd be in favor of moving it to protected.

There's a const accessor in DiffContext:

const System& get_system() const

On Mon, Jun 17, 2013 at 1:33 AM, David Knezevic <> wrote:
Random question: why does FEMContext::pre_fe_reinit take a System&
argument when DiffContext already stores a reference to the system?

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