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[WIP] StaticCondensation can also be a DofMap #4140
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Job Coverage, step Generate coverage on 9f452d4 wanted to post the following: Coverage
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Also, set n components to 0 for DofObjects for the reduced "system"
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Mat is a pointer so attempting to mark it as const accomplishes nothing. But we shouldn't penalize users working with a const PetscMatrix and refuse to provide them access to the raw Mat. We will assume that they have good intentions
I wonder whether this is even valid because I don't know if it's guaranteed that the shift in the condensed system would match the shift in the noncondensed system
This reverts commit ea7983b.
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My goal is to be able to do field splits on the statically condensed system. This should sit in draft since it has meaningful impacts like converting
DofMap
methods into virtuals until I have some useful demonstration of capability