Expose lower level insert_diagonal function
#2684
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Can you add a simple test in the appropriate file? |
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@IgorBaratta can you expand the PR description? It's not clear what the matrix blocks correspond to. |
chrisrichardson
approved these changes
Jun 27, 2023
github-merge-queue
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Enables inserting values at the diagonal of a ghost region.
The local matrix to a process can be decomposed in 4 blocks:
Where:
This PR enables setting diagonal values of
A11.Useful for domain decomposition methods, where each process assemble its local matrix with overlap.