Hello everyone! This is deal.II newsletter #121. 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: #10470: Fix more issues found by AddressSanitizer (proposed by masterleinad) https://github.com/dealii/dealii/pull/10470 #10469: Fixed default parameters for step-70. (proposed by luca-heltai) https://github.com/dealii/dealii/pull/10469 #10468: update taskflow to 2.5.0 (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10468 #10467: use WITH_TBB for the affinity quicktest (proposed by tjhei) https://github.com/dealii/dealii/pull/10467 #10466: add some documentation to InterpolatedTensorProductGridData (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10466 #10465: Remove unneeded template argument (proposed by peterrum) https://github.com/dealii/dealii/pull/10465 #10464: Simplify line_orientation() (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/10464 #10463: Fix Trilinos::SparseMatrix::clear_row 2nd arg. (proposed by dougshidong) https://github.com/dealii/dealii/pull/10463 #10461: Avoid use-after-scope when calling MappinQCache::initialize multiply (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10461 #10460: Next step in fixing AffineConstraints. (proposed by bangerth) https://github.com/dealii/dealii/pull/10460 #10458: remove redundant documentation for GridTools::find_active_cell_around_point() functions (proposed by nfehn) https://github.com/dealii/dealii/pull/10458 #10457: add tolerance to BoundingBox::point_inside() (proposed by nfehn) https://github.com/dealii/dealii/pull/10457 #10456: Fix bug in find_active_cell_around_point_tolerance() (proposed by nfehn) https://github.com/dealii/dealii/pull/10456 #10455: Fix clang-10 bug in grid/tria.cc (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10455 #10454: Move some class declarations into the .h file. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10454 #10453: Fix distribution of levels in pft (proposed by peterrum) https://github.com/dealii/dealii/pull/10453 #10452: Add assert on range of incoming index in Tensor::operator[] const. (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/10452 #10451: rename cpp-taskflow to taskflow (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10451 #10450: Triangulation/DoFHandler: binary incompatibility note (proposed by peterrum) https://github.com/dealii/dealii/pull/10450 #10448: Get rid of TriaObject. (proposed by bangerth) https://github.com/dealii/dealii/pull/10448 #10446: Fix a comment in the documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10446 #10445: Remove some duplicated code. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10445 #10444: Fix particles data out for no particles. (proposed by gassmoeller; merged) https://github.com/dealii/dealii/pull/10444 #10442: Update output of test (proposed by peterrum) https://github.com/dealii/dealii/pull/10442 #10441: Fix implicit capture warning in step-32 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10441 #10440: Rename TriaAccessor::set(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10440 #10439: Introduce internal::TriangulationImplementation::Policy (proposed by peterrum) https://github.com/dealii/dealii/pull/10439 #10437: Revert "disable using c++ 20 iota-view and always use boost" (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10437 #10436: Use range-based iterators in tria.cc (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/10436 #10435: Improve the efficiency of the step62 assembly (proposed by dangars; merged) https://github.com/dealii/dealii/pull/10435 #10434: Replace TriaObject (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/10434 #10433: Move methods of TriaLevel, TriaFaces, and TriaObjects (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/10433 #10432: disable using c++ 20 iota-view and always use boost (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10432 #10430: Work on TriaObject (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/10430 #10429: Make CellData::vertices to std::vector (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/10429 #10428: threading changelog entry (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10428 #10427: tests: remove with_threads (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10427 #10426: Fix compiling step-69 with gcc-10 and C++20 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10426 #10425: windows: force quick tests in serial (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10425 #10424: Update some internal documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10424 #10422: Adds the capacity to add properties to particle generators that use the dofs support points or the quadrature points (proposed by blaisb; merged) https://github.com/dealii/dealii/pull/10422 #10421: Bug fix: Multiple valid CUDAWrappers::MatrixFree objects is not allowed (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/10421 #10420: Delete copy constructor for ThreadLocalStorage (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/10420 #10418: tests: remove .with_threads (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10418 #10412: Run operations sequentially in Threads::Task when n_threads==1. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10412 #10409: add cpp-taskflow quicktest (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10409 #10399: Remove references to hp::DoFHandler in DoFAccessor. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/10399 #10374: Better document Threads::internal::return_value. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/10374 #10369: matrix-free: do not use bool args (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/10369 ## And this is a list of recently opened or closed discussions: #10462: ThreadLocalStorage needs a move operator= (opened) https://github.com/dealii/dealii/issues/10462 #10459: Clarify expected behavior of GridTools::find_active_cell_around_point()`` (opened) https://github.com/dealii/dealii/issues/10459 #10449: Memory consumption of p::f::t (opened) https://github.com/dealii/dealii/issues/10449 #10447: Document binary incompatibility of the Triangulation post 9.2 (opened) https://github.com/dealii/dealii/issues/10447 #10443: Possible bug with Particles::DataOut in parallel for particle with properties (opened and closed) https://github.com/dealii/dealii/issues/10443 #10438: Rename TriaAccessor::set() to TriaAccessor::set_bounding_object_indices() (opened and closed) https://github.com/dealii/dealii/issues/10438 #10431: Make the use of int and unsigned int consistent in Triangulation (opened) https://github.com/dealii/dealii/issues/10431 #10423: Configuring error when turning python bindings on (opened) https://github.com/dealii/dealii/issues/10423 #10214: Multiple valid CUDAWrappers::MatrixFree objects is not allowed (closed) https://github.com/dealii/dealii/issues/10214 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. 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