deal.II Newsletter #248

[Rene Gassmoeller]

Hello everyone!

This is deal.II newsletter #248.
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:

#15024: Make FEPointEval expose same types as FEEval (proposed by jh66637; merged)
#15023: instantiate mapped quadrature for dim=1 and spacedim=2 (proposed by jh66637; merged)
#15022: Address some compile time issues. (proposed by bangerth)
#15019: Increment the majorest version number. (proposed by drwells)
#15015: FEPointEvaluation: disconnect from MappingInfo (proposed by peterrum; merged)
#15014: Clean up notions of CUDA in the codebase (proposed by masterleinad; merged)
#15013: Enable vectorization over quadrature points in whole FEPointEvaluation (proposed by bergbauer)
#15012: FEPointEvaluation::integrate: Choose better loop layout (proposed by kronbichler; merged)
#15011: Work around nvcc compiler bug in mg_transfer_global_coarsening.templates.h (proposed by masterleinad; merged)
#15010: Introduce helper Utilities::callable_member (proposed by sebproell)
#15009: Check whether construct_multigrid_hierarchy is set ealier. (proposed by adamqc)
#15008: Add Functions::SignedDistance::Rectangle (proposed by mschreter)
#15007: Fix copy constructor of MappingQ (proposed by peterrum)
#15006: CMake: fix variable name (proposed by tamiko; merged)
#15005: Add a test for GridTools::Cache::get_covering_rtree(). (proposed by bangerth; merged)
#15004: Minor doc updates in GridTools. (proposed by bangerth)
#15003: Use Kokkos for data structures in CUDA matrix-free framework (proposed by Rombur)
#15002: Fix a unused variable compiler warning in tria.cc (proposed by masterleinad; merged)
#15001: OSX tester does not pick up /rebuild (proposed by marcfehling; merged)
#15000: Update SUNDIALS link in doc/readme.html (proposed by masterleinad; merged)
#14999: Fix nodal and Gauss-type quadratures for dim = 0. (proposed by drwells; merged)
#14998: CMake: refactor repetitive option handling into two macros (proposed by tamiko; merged)
#14997: Explain the purpose of some computations in CellIDTranslator. (proposed by bangerth; merged)
#14995: MatrixFreeTools: fix some refs and const (proposed by sebproell; merged)
#14993: CMake: Rename DEAL_II_NAMESPACE to DEAL_II_TARGET_NAME (proposed by tamiko; merged)
#14992: CMake: prefer CMAKE_CXX_STANDARD and export cxx_std_?? COMPILE_FEATURES target property (proposed by tamiko; merged)
#14991: CMake: use POSITION_INDEPENDENT_CODE target property instead of setting -fPIC by hand (proposed by tamiko; merged)
#14990: CMake: separate warning flags into DEAL_II_WARNING_FLAGS variable (proposed by tamiko; merged)
#14989: Fix FEPointEvaluation for different n_q_points with same MappingInfo for different evaluators (proposed by bergbauer; merged)
#14988: Rework the introduction to step-7. (proposed by bangerth)
#14987: Leave a hint in step-7. (proposed by bangerth)
#14986: Step-70: remove unused variable (proposed by mschreter; merged)
#14983: Change default `compression_level` of vtu output (proposed by c-p-schmidt)
#14982: Compute values_of_array only once and optimize instructions (proposed by bergbauer; merged)
#14981: Add benchmark for multgrid with global coarsening (proposed by kronbichler; merged)
#14971: Create dealii::dealii target and add compile options (proposed by masterleinad; merged)
#14958: Enable output of compressed hdf5 files (proposed by c-p-schmidt; merged)
#14597: Make sure to clear a variable that gets set (proposed by kronbichler; merged)

And this is a list of recently opened or closed discussions:

#15026 Remove Algorithms::Newton? (opened)
#15025 Normals of a cell (opened)
#15021 FEInterfaceValues::reinit fails when neither element dominates (opened)
#15020 Rewrite deal.II in Rust (opened and closed)
#15018 DataIn (opened)
#15017 Improve documentation of reference cells, orientation, ... (opened and closed)
#15016 Test tutorials (opened)
#14996 MatrixFree: provide only one overload for each type of loop function (opened)
#14994 Possible bug when using Multigrid with p::s::Triangulation (opened)
#14984 Exceptions inside FEPointEvaluation - Index out of bounds (opened and closed)

A list of all major changes since the last release can be found at this website.

Thanks for being part of the community!

Let us know about questions, problems, bugs or just share your experience by writing to this mailing list, or by opening issues or pull requests on Github.
Additional information can be found at our official website.