Coarse grid solver with LinearOperator

fdrmrc / Polydeal

C++ implementation of Polygonal Discontinuous Galerkin method within the deal.II Finite Element library.

https://fdrmrc.github.io/Polydeal/

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Closed fdrmrc closed 3 months ago

fdrmrc commented 8 months ago

This PR extends the interface of MGCoarseGridBase with a LinearOperator. Only relevant commit is 72b8892a66485d75a10663ba040f072831bde735

A sanity check with one of the tests in deal.II has been added in 1a7688e7f0e722ffb81daf6156e503a008a71693 The effect of this PR can be summarized here: https://github.com/fdrmrc/Polydeal/blob/1a7688e7f0e722ffb81daf6156e503a008a71693/test/polydeal/multigrid_coarse_grid_lo.cc#L376-L384

fdrmrc commented 3 months ago

Superseded by #117