Computing barycentric coordinates in Tensor Product Cells#246

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achanbour/bary-coords-fiat

Commits on May 12, 2026

added new methods for computing barycentric coords on tensor-product cells
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added docstrings to tests
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renamed tp bary coords methods + minor fixes + updated tests
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added explanation to facet permutation to reorder barycentric coords
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enforced facet ordering in the barycentric coordinates across all simplicies and tensor product cells
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generalised the facet ordering permutation of bary coords computed on sub-entities of simplicies + added notes + modified test checking facet ordering of bary coords on tp cells
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undid changes to gem
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removed gem dependence from FIAT
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restore gem to main
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