fix simplex boundary - Githubissues

evalf / nutils

The nutils project

http://www.nutils.org/

MIT License

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Closed joostvanzwieten closed 9 months ago

joostvanzwieten commented 9 months ago

This PR fixes two issues with boundaries of the SimplexTopology:

If the boundary of a SimplexTopology is empty, an assertion error is raised.
A degree one std basis or bubble basis on the boundary of a SimplexTopology typically contains a large number of zeros.