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ChangeLog.rst

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Changelog

2019.2.0.dev0

  • No changes yet.

2019.1.0 (2019-04-17)

  • Added an implementation of the Bell finite element (K. Bell 1969 doi:10.1002/nme.1620010180), with extra basis functions for transformation theory from Kirby (2018) doi:10.5802/smai-jcm.33.

2018.1.0 (2018-06-14)

  • Remove Python 2 support
  • Generalize Bubble element to CodimBubble to create bubbles on entity of arbitrary codimension; add FacetBubble, keep Bubble (as bubble on cell)

2017.2.0 (2017-12-05)

  • Add quadrilateral and hexahedron reference cells
  • Add quadrilateral and hexahedron elements (with a wrapping class for TensorProductElement)

2017.1.0.post1 (2017-09-12)

  • Change PyPI package name to fenics-fiat.

2017.1.0 (2017-05-09)

  • Extended the discontinuous trace element HDivTrace to support tensor product reference cells. Tabulating the trace defined on a tensor product cell relies on the argument entity to specify a facet of the cell. The backwards compatibility case entity=None does not support tensor product tabulation as a result. Tabulating the trace of triangles or tetrahedron remains unaffected and works as usual with or without an entity argument.

2016.2.0 (2016-11-30)

  • Enable Travis CI on GitHub
  • Add Firedrake quadrilateral cell
  • Add tensor product cell
  • Add facet -> cell coordinate transformation
  • Add Bubble element
  • Add discontinuous Taylor element
  • Add broken element and H(div) trace element
  • Add element restrictions onto mesh entities
  • Add tensor product elements (for tensor product cells)
  • Add H(div) and H(curl) element-modifiers for TPEs
  • Add enriched element, i.e. sum of elements (e.g. for building Mini)
  • Add multidimensional taylor elements
  • Add Gauss Lobatto Legendre elements
  • Finding non-vanishing DoFs on a facets
  • Add tensor product quadrature rule
  • Make regression tests working again after few years
  • Prune modules having only __main__ code including transform_morley, transform_hermite (ff86250820e2b18f7a0df471c97afa87207e9a7d)
  • Remove newdubiner module (b3b120d40748961fdd0727a4e6c62450198d9647, reference removed by cb65a84ac639977b7be04962cc1351481ca66124)
  • Switch from homebrew factorial/gamma to math module (wraps C std lib)

2016.1.0 (2016-06-23)

  • Minor fixes

1.6.0 (2015-07-28)

  • Support DG on facets through the element "Discontinuous Lagrange Trace"

1.5.0 (2015-01-12)

  • Require Python 2.7
  • Python 3 support
  • Remove ScientificPython dependency and add dependency on SymPy

1.4.0 (2014-06-02)

  • Support discontinuous/broken Raviart-Thomas

1.3.0 (2014-01-07)

  • Version bump.

1.1.0 (2013-01-07)

  • Support second kind Nedelecs on tetrahedra over degree >= 2
  • Support Brezzi-Douglas-Fortin-Marini elements (of degree 1, 2), again

1.0.0 (2011-12-07)

  • No changes since 1.0-beta, only updating the version number

1.0-beta (2011-08-11)

  • Change of license to LGPL v3+
  • Minor fixes

0.9.9 (2011-02-23)

  • Add __version__
  • Add second kind Nedeles on triangles

0.9.2 (2010-07-01)

  • Bug fix for 1D quadrature

0.9.1 (2010-02-03)

  • Cleanups and small fixes

0.9.0 (2010-02-01)

  • New improved interface with support for arbitrary reference elements

0.3.5

0.3.4

0.3.3

  • Bug fix in Nedelec
  • Support for ufc element

0.3.1

  • Bug fix in DOF orderings for H(div) elements
  • Preliminary type system for DOF
  • Allow user to change ordering of reference dof
  • Brezzi-Douglas-Fortin-Marini elements working

0.3.0

  • Small changes to H(div) elements preparing for integration with FFC
  • Switch to numpy
  • Added primitive testing harness in fiat/testing

0.2.4

  • Fixed but in P0.py

0.2.3

  • Updated topology/ geometry so to allow different orderings of entities

0.2.2

  • Added Raviart-Thomas element, verified RT0 against old version of code
  • Started work on BDFM, Nedelec (not working)
  • Fixed projection, union of sets (error in SVD usage)
  • Vector-valued spaces have general number of components