v0.7.0

This version of Basix was released alongside UFL 2023.2.0 and FFCx/DOLFINx v0.7.0 tags.

User facing changes

Iso elements

• Add iso macroelement on an interval by @mscroggs in #680
• Implement iso element on quadrilateral by @mscroggs in #683
• Add iso element on hexahedron by @mscroggs in #684
• Add iso element on a tetrahedron by @mscroggs in #688

DOF ordering

• Allow permuted dof layout for Lagrange elements by @chrisrichardson in #654
• Use dof ordering when generating tensor factors by @mscroggs in #695

UFL wrapper

• Fix degree method in UFL wrapper layer for mixed elements by @garth-wells in #636
• Fix symmetric tensors by @mscroggs in #647
• Rename ufl_wrapper -> ufl, and simplify functions in UFL wrapper by @mscroggs in #655
• Fix blocked element tables by @michalhabera in #662
• Move QuadratureElement and RealElement from ffcx to Basix by @mscroggs in #682
• Correct tabulate for blocked elements by @mscroggs in #698
• Add better warning when using * by @mscroggs in #701
• Remove rank input to element and blocked_element by @mscroggs in #708

Installation

• Test scikit-build-core and pyproject.toml for top-level install by @chrisrichardson in #673
• Enable Python 3.11 by @mscroggs in #690

Allowing multiple scalar types

• Template polyset over float type by @garth-wells in #660
• Support float and double in low-level functions by @garth-wells in #663
• Template basix::FiniteElement over scalar type by @garth-wells in #664

Performance improvements

• Input orthogonal wcoeffs rather than running orthogonalise on input by @mscroggs in #693

Other changes

• Update mdspan.hpp by @garth-wells in #632
• Run more tests on main by @jhale in #630
• Dev version bumps by @garth-wells in #635
• Fix typo in basix.sobolev_spaces module name by @francesco-ballarin in #638
• Do not run apt-get upgrade in CI by @garth-wells in #639
• Simplify constructors by @chrisrichardson in #641
• Fix Sobolev space for discontinuous elements by @garth-wells in #642
• Remove deprecated funcs by @chrisrichardson in #643
• Update python create element by @chrisrichardson in #644
• Simplify transformations by @chrisrichardson in #646
• Tweak UFL import by @mscroggs in #650
• Fix bug in N2E on tets: cells are 3D not 2D by @mscroggs in #653
• Cast scalar types for compatibility by @garth-wells in #656
• Reset branches in CI by @mscroggs in #657
• Use np.tile for blocked tabulation by @michalhabera in #659
• update docs and doc generating script by @mscroggs in #665
• Update mdspan by @garth-wells in #666
• Relax some floating point comparisons by @garth-wells in #670
• Reset FFCx and DOLFINx branches by @mscroggs in #681
• Seed random test by @mscroggs in #652
• Fix #685 by @mscroggs in #686
• Implement degree 0 to 2 macro polynomials on a triangle by @mscroggs in #687
• Fix compilation with gcc-13 (#678) by @rmsc in #691
• Consistency updates to Python docs by @garth-wells in #694
• mdspan update by @garth-wells in #699
• Reset DOLFINx branch to main by @garth-wells in #700
• Remove IrreducibleInt by @mscroggs in #702
• use gdim in default shape for an element with a rank by @mscroggs in #707

New Contributors

• @francesco-ballarin made their first contribution in #638
• @rmsc made their first contribution in #691

Full Changelog: v0.6.0...v0.7.0