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Problem with is_affine() method of blending maps

    • Open Issue created by Marcus Mohr @mohr

    I am summing up the result of a discussion in our developer chat here to document this problem. Thanks to Nils for contributing the main result.

    While adding an AffineMap2D blending map, see [fdc929e9], it turned out that there is a problem with the is_affine() method. The latter is supposed to be used to indicate that the map does not have to be computed on each quadrature point. However, the implementation of that optimization seems to be buggy.

    Thus, AffineMap2D violates the POLA idea and currently returns False when is_affine() is called.

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        • Marcus Mohr added bug label

          added bug label

        • Marcus Mohr changed title from Problem with {--}is_affine(){--} method of blending maps to Problem with is_affine() method of blending maps

          changed title from Problem with {--}is_affine(){--} method of blending maps to Problem with is_affine() method of blending maps

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