[petsc-dev] MATNEST MATSUBMATRIX MATLOCALREF MATBLOCKMAT and friends

[Jed Brown]

On Sat, Jan 15, 2011 at 18:14, Barry Smith <bsmith at mcs.anl.gov> wrote:

>  I didn't mean a setter that allows setting one block at a time. I meant
> something like
>
>    MatSetType(mat,MATNEST)
>    MatNestSetBlocks(mat,IS isrows[], IS iscols[], Mat mats[]);
>

I just pushed MatNestSetSubMats (I'm trying to avoid the name "block"
because of the naming conflict with "block size" and "BlockMat").
 MatCreateNest now has the obvious implementation.  Rearranging the others
should be easier.
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