Satish, what was the rationale behind this commit? I can't think of an excuse for making them be literally the same.

On Mon, Jul 16, 2012 at 11:11 AM, Satish Balay <balay@mcs.anl.gov> wrote:
Actually for np=1 MPI_COMM_SELF==MPI_COMM_WORLD.

mpi.h was changed to reflect this  - but mpif.h was not.

Satish

----------
balay@petsc:~/Petsc-historic/src/sys/src/mpiuni $ rcsdiff -r1.52 -r1.53 mpi.h
===================================================================
RCS file: RCS/mpi.h,v
retrieving revision 1.52
retrieving revision 1.53
diff -r1.52 -r1.53
1c1
< /* $Id: mpi.h,v 1.52 1997/07/28 21:41:02 balay Exp $ */
---
> /* $Id: mpi.h,v 1.53 1997/08/21 01:06:19 balay Exp $ */
22c22
< #define MPI_COMM_SELF        2
---
> #define MPI_COMM_SELF        MPI_COMM_WORLD
427c427
<                       (MPIUNI_TMP = (void *) (comm), \
---
>                       (*(newcomm) =  (comm), \
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<                       MPIUNI_TMP = (void *) (newcomm), \