[mpi3-coll] Missing reduce_local and reduce_scatter_block in create_op text

[Torsten Hoefler]

Hi Adam,
> There are a few lists that are missing MPI_REDUCE_LOCAL and 
> MPI_REDUCE_SCATTER_BLOCK.
> 
> 1) Section 5.9.2
> List of predefined ops missing MPI_REDUCE_LOCAL, 
> MPI_ALLREDUCE_SCATTER_BLOCK, and all non-blocking variants.
> 
> 2) Description for MPI_OP_CREATE missing MPI_REDUCE_LOCAL, 
> MPI_REDUCE_SCATTER_BLOCK, and all non-blocking variants.
> 
> I guess we may not need to list the non-blocking variants in this list, 
> but we should definitely add REDUCE_LOCAL and REDUCE_SCATTER_BLOCK.
Good catch -- thanks. I fixed both in mpi-3.0-minutiae (clear Ticket 0).
I also mentioned the nonblocking variants.

All the Best,
	Torsten