ShyLU: Fixing the case of empty blocks.
Created by: searhein
@trilinos/shylu
Description, Motivation and Context
With this, piecewise constant coarse basis functions are automatically introduced in cases when no interface dofs exist. This is important for discretizations with discontinuous basis functions.
How Has This Been Tested?
@chochmuth Please check if this works with our in-house implementation.
Checklist
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My commit messages mention the appropriate GitHub issue numbers. -
My code follows the code style of the affected package(s). -
My change requires a change to the documentation. -
I have updated the documentation accordingly. -
I have read the code contribution guidelines for this project. -
I have added tests to cover my changes. -
All new and existing tests passed. -
No new compiler warnings were introduced. -
These changes break backwards compatibility.