Trimmed serendipity#23
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jmv2009 wants to merge 80 commits intofiredrakeproject:trimmedSerendipityfrom
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Remove pytest-cases dependency.
Add Github Actions
…re-element-weights Allow a QuadratureElement to take in the weights.
Rather than using sympy.evalf on each basis function for each point, use lambdify and splat the whole thing at once numerically. Takes tabulation from hundreds of seconds to tenths of seconds.
…pity serendipity: Massively speed up tabulation
Fix serendipity tabulation for non-3D cells
Radau points
setup: Ignore ambiguous variable names for flake8
…rpolation-nodes Improved interpolation nodes for RT and N1curl elements. Selected by specifying `variant="integral"` to the constructor.
lambdify doesn't preserve shape when the result is zero. Fixes firedrakeproject/firedrake#1783.
…ity-derivs Broadcast result of lambdify in Serendipity tabulation
Previously we advertised the interior integral moments as eating functions with shape (). This is incorrect, and breaks creation of RestrictedElements with only the interior dofs, since the dual space construction fails [it expects the dual to eat functions of shape (space_dimension, )].
…oment N1curl: Correctly advertise shape of interior moments
Implement Arnold-Winther and Mardal-Tai-Winther elements Co-authored-by: Patrick Farrell <patrick@pefarrell.org> Co-authored-by: Francis Aznaran <francis.aznaran@gmail.com>
These are H1-conforming elements that admit diagonal mass matrices at high order when combined with special quadrature schemes. Co-authored-by: Rob Kirby <robert.c.kirby@gmail.com>
Add ability to construct a dual basis from a set of unisolvent points. Useful for elements that are defined directly by tabulation.
* pointwise_dual: Get correct spatial dimension * serendipity: Correct default entity We need to use get_dimension so that this does the right thing on tensor product cells. * serendipity: Use flattened element to construct unisolvent points * Add test of duals for serendipity in tensor and ufc element cases Co-authored-by: Rob Kirby <robert.c.kirby@gmail.com>
* replaced $ in manual.rst file by :math: * fix manual.rst
Implement numerical stable tabulation of (derivatives) of GL/GLL basis functions using the second barycentric interpolation formula of Berrut and Trefethen (2004).
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Closing this one, as #24 has done an up-to-date merge with master. |
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This is an update to trimmedserendipity for flake compatibility. Afterwards, it could be pulled into master (or directly with #24, where contributions from the original authors are lost)