Nico Schlömer <[email protected]> writes: > Hi Jed, > > thanks for the quick answer! > I can of course generate the strided index sets (01x34x6..., > xx2xx5x...) myself and insert them via PCFieldSplitSetIS(), but I > thought that ultimately does the same thing that I would have liked > PCFieldSplitSetFields() to do for me. Not true?
PCFieldSplitSetFields is something you call only once to identify all the fields. It doesn't let you group multiple strides in one, so you could create "ux", "uy", and "p", but then those would be separate. You can create splits using numbers, -fieldsplit_block_size 3 -fieldsplit_0_fields 0,1 -fieldsplit_1_fields 2 (assuming collocated discretization), but this can be rather opaque to maintain.
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