On Feb 6, 2012, at 3:55 PM, Jed Brown wrote:

> On Mon, Feb 6, 2012 at 22:11, Barry Smith <bsmith at mcs.anl.gov> wrote:
>   On the other hand you could argue that ALL vector types should support 
> ghosting as a natural thing (with sequential vectors just have 0 length 
> ghosts conceptually) then it would be desirable to allow setting the ghost 
> information in any ordering.
> 
> Just a comment: Ghost vectors are occasionally meaningful even for serial 
> vectors (if implementing boundary conditions with ghost cells, also coupling).

   This is fine, currently one needs to use the MPI vector implementation to 
get this affect; I think it is natural this way and not also require VECSEQ to 
support this kind of ghosting.

   Barry



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