Hello everyone! This is deal.II newsletter #234. 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: #14486: Add more reinit() to LA::distributed::BlockVector. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/14486 #14485: Utilities::MPI::scatter: improve asserts (proposed by mschreter; merged) https://github.com/dealii/dealii/pull/14485 #14484: Some AffineConstraints instantiations. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/14484 #14483: CMake: Update forgotten find_package() call (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14483 #14482: CMake: Rework process_feature() macro (proposed by tamiko) https://github.com/dealii/dealii/pull/14482 #14481: A few improvements to the PETSc classes (proposed by stefanozampini) https://github.com/dealii/dealii/pull/14481 #14480: CMake: Update CMake cache config documentation (proposed by tamiko) https://github.com/dealii/dealii/pull/14480 #14479: CMake: ensure some more, modern style rules (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14479 #14478: Remove obsolete doxygen tags. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/14478 #14477: Inline most of the remaining functions in VtuStream into write_vtu_main(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14477 #14476: Cleanup reinit() of PETSc/Trilinos BlockVector. (proposed by marcfehling) https://github.com/dealii/dealii/pull/14476 #14475: Introduce DEAL_II_HOST_DEV_ALWAYS_INLINE (proposed by masterleinad) https://github.com/dealii/dealii/pull/14475 #14474: Update documentation for deal.II+Cuda (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14474 #14473: add a changelog for SparsityPatternBase. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14473 #14472: CMake: rename all find modules to DEAL_II_* (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14472 #14471: CMake: Remove _USER variables (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14471 #14470: [9.4] Take over #14462 and #14465 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14470 #14469: add a news/changes entry (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14469 #14468: CMake: Bugfix: only configure arborx with matching MPI configuration (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14468 #14467: CMake: Introduce a dealii:: namespace for targets and harmonize naming (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14467 #14466: CMake: search quietly for kokkos and avoid an unnecessary warning (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14466 #14465: CMake: always export compile_commands.json in deal.II and user projects (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14465 #14464: Add Utilities::MPI::scatter (proposed by mschreter; merged) https://github.com/dealii/dealii/pull/14464 #14463: CMake: lowercase all function and macro names (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14463 #14462: gitignore: ignore clangd files and directories (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14462 #14461: Test Kokkos on GPU (proposed by zjiaqi2018) https://github.com/dealii/dealii/pull/14461 #14460: Fix more warnings about unused variables (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/14460 #14459: clang-tidy: use line breaks in config, remove nonexistent check (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14459 #14457: Add Kokkos link libraries to Trilinos link libraries (proposed by masterleinad) https://github.com/dealii/dealii/pull/14457 #14456: Fix PETScWrappers::PreconditionBase warnings (proposed by masterleinad) https://github.com/dealii/dealii/pull/14456 #14455: CMake: remove forgotten GO = statement in tpetra compatibility check (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14455 #14453: Replace DEAL_II_CUDA_HOST_DEV with KOKKOS_FUNCTION (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/14453 #14452: GridGenerator: avoid a warning in release mode (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14452 #14451: Sparsity pattern base cleanup (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14451 #14450: Bump actions/checkout from 2 to 3 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14450 #14449: Move declaration of vtu_stream to where it is used. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14449 #14448: Use variable-sized std::array instead of fixed number of arguments. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14448 #14447: fix indent script (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/14447 #14446: Simplify code (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14446 #14445: Fix the generation of ghost particles when there are periodic boundary conditions in a triangulation (proposed by blaisb; merged) https://github.com/dealii/dealii/pull/14445 #14444: Add a bit of documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14444 #14443: step-85: mathjax typo in Section L^2-Error (proposed by vyushut) https://github.com/dealii/dealii/pull/14443 #14442: Use copy function internally in LA::d::Vector. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/14442 #14441: SparsityPatternBase: redo add_entries() to take pairs. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14441 #14438: Remove need to store MPI communicator in PETScWrappers::SolverBase (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14438 #14437: Minor fixes for typos (proposed by quangx; merged) https://github.com/dealii/dealii/pull/14437 #14436: Update CI workflow to CUDA 11.8 (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/14436 #14435: Fix flags for Trilinos+Kokkos (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14435 #14434: DoFTools: Remove template on sparsity pattern type. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14434 #14433: multigrid tools: Remove template on sparsity pattern type. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14433 #14429: Build CUDA tests in CUDA CI (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14429 #14424: Print backends and architectures for Kokkos (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14424 #14421: Further refactoring in data_out_base.cc (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14421 #14392: Avoid boost::optional/variant in favor of std_cxx17::variant/optional. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14392 #14365: Make Kokkos a required dependency and bundle Kokkos 3.7.00 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14365 ## And this is a list of recently opened or closed discussions: #14488: Docu of TriangulationDescription might be incomplete (opened) https://github.com/dealii/dealii/issues/14488 #14487: Compilation errors in Trilinos with Cuda support (opened) https://github.com/dealii/dealii/issues/14487 #14458: serial::Tria with simplices does not work for limit_level_difference_at_vertices (opened) https://github.com/dealii/dealii/issues/14458 #14454: Trilinos/Kokkos: explicitly link against openmp (opened) https://github.com/dealii/dealii/issues/14454 #14372: Question about cmake Tpetra detection (closed) https://github.com/dealii/dealii/issues/14372 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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