Hello everyone! This is deal.II newsletter #164. It automatically reports recently merged features and discussions about the deal.II finite element library.
## Below you find a list of recently proposed or merged features: #12113: DynamicSparsityPattern: Avoid bug with 64 bit integers (proposed by kronbichler) https://github.com/dealii/dealii/pull/12113 #12112: Do not redefine functions that we can import from the base class. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12112 #12111: Provide TableBase::replicate_across_communicator(). (proposed by bangerth) https://github.com/dealii/dealii/pull/12111 #12110: Improve the documentation of the Table<N,T> classes slightly. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12110 #12109: Do not actually define the general Table class. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12109 #12108: Fix typo from copy/paste (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/12108 #12107: Replace some more occurrences of GeometryInfo. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12107 #12106: Make Triangulation::get_boundary_ids() work for non-hypercube cells. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12106 #12105: Fix a function for non-quads/hexes. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12105 #12104: Provide links to tutorial programs. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12104 #12103: Simplify use of a function in ReferenceCell. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12103 #12101: Add class RefSpaceFEFieldFunction (proposed by simonsticko) https://github.com/dealii/dealii/pull/12101 #12100: Fix up tests for ICC 2018 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12100 #12099: Fix the number of entries in the FEValues view cache. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12099 #12098: Fix parameter_handler/parameter_handler_25 for clang12 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12098 #12097: Fix lac/vector_memory for Clang12 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12097 #12096: Fix base/unsubscribe_subscriptor for clang (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12096 #12095: Fix mpi/extract_boundary_dofs (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12095 #12094: Provide a move constructor for Functions::InterpolatedUniformGridData. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12094 #12093: Guard if code in MatrixFreeTools if doxygen is used (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/12093 #12091: tests/sundials/* Use new variants already for version 5.2.0 onwards (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/12091 #12090: fix all-headers/sundials/sundials_backport.h test (proposed by tamiko) https://github.com/dealii/dealii/pull/12090 #12089: add missing instantiations (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/12089 #12088: Fix a static_assert to actually make sense. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12088 #12087: Avoid warning about out-of-bound access in Tensor (proposed by masterleinad) https://github.com/dealii/dealii/pull/12087 #12086: Fix warning about unused function in PETScWrappers source file (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12086 #12085: Fix compilation with gcc-5. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/12085 #12084: Guard SUNDIALS variables more carefully (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/12084 #12083: Simplify some type computations in FEValuesViews. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12083 #12082: Move GridReordering::reorder_cells(). (proposed by drwells; merged) https://github.com/dealii/dealii/pull/12082 #12079: Add level set functions for a plane and a sphere (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/12079 #12077: Remove `parallel::distributed::ErrorPredictor`. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/12077 #12076: Correct 2-D FE_Nedelec Interpolation (proposed by harmonj; merged) https://github.com/dealii/dealii/pull/12076 #12062: Add function estimating Function bounds over a BoundingBox (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/12062 #12057: Provide a move constructor for InterpolatedTensorProductGridData. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12057 #12022: Add AlignedVector::replicate_across_communicator() (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/12022 #11122: Check MSVC's constexpr support. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/11122 ## And this is a list of recently opened or closed discussions: #12102: MatrixFree::loop with hp not working (opened) https://github.com/dealii/dealii/issues/12102 #12092: Quick way to calculate scalar solution gradient for postprocessing (opened and closed) https://github.com/dealii/dealii/issues/12092 #12078: `CMake 3.20` and `ninja` (closed) https://github.com/dealii/dealii/issues/12078 #12058: Remove all public-facing references to the old-style ordering (closed) https://github.com/dealii/dealii/issues/12058 A list of all major changes since the last release can be found at https://www.dealii.org/developer/doxygen/deal.II/recent_changes.html. Thanks for being part of the community! Let us know about questions, problems, bugs or just share your experience by writing to [email protected], or by opening issues or pull requests at https://www.github.com/dealii/dealii. 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