Hello everyone! This is deal.II newsletter #215. 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: #13976: Fix generalized support points of FE_RaviartThomasNodal (proposed by kronbichler) https://github.com/dealii/dealii/pull/13976 #13975: Fix the MPI window functions with clang. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13975 #13974: CMake: Use default Kokkos' DefaultNodeType in Tpetra test (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13974 #13973: CMake: Use deal.II's global index type in Tpetra compatibility test (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13973 #13971: Remove remaining @author (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13971 #13969: CMake: use full compiler/linker flags for trilinos sanity checks (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13969 #13968: Run codespell (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13968 #13967: Explicitly template function pointwise_definiteness(..) (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/13967 #13964: contrib/python_bindings: set PYTHON_EXECUTABLE (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13964 #13963: CMake: Use -Wno-pass-failed for clang (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13963 #13962: Support HDF5 output with one rank having no cells (proposed by tjhei) https://github.com/dealii/dealii/pull/13962 #13961: Fix more PETSc complex tests (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13961 #13960: Fix two tests with complex PETSc (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13960 #13959: test cgal/cgal_surface_mesh_01: add output variant (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13959 #13958: precondition.h: switch from Assert to AssertThrow (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13958 #13956: test cgal/cgal_surface_mesh_01: Update output (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13956 #13955: CGAL: fix header includes (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13955 #13954: GridGenerator: put CGAL implementation into own compilation unit (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13954 #13953: Replace 2*dim (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13953 #13952: MatrixFree: Fix element-centric loops with different cell geometry compression (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13952 #13951: MatrixFree: Simplify some code in initialization of DoF indices (proposed by kronbichler) https://github.com/dealii/dealii/pull/13951 #13950: CMake: use -Wno-misleading-indentation for grid_generator.cc compilation unit (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13950 #13947: DoFAccessor: Run process_dof_indices only on FE entities with DoFs (proposed by kronbichler) https://github.com/dealii/dealii/pull/13947 #13946: Simplify access to number of raw objects (proposed by kronbichler) https://github.com/dealii/dealii/pull/13946 #13945: Fix TriaAccessor::is_ghost_on_level for case without MPI (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13945 #13944: slepc/solver_04: adjust tolerances (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13944 #13943: test mpi/p4est_bug_01: Update test. (proposed by tamiko) https://github.com/dealii/dealii/pull/13943 #13941: test ginkgo/solver: adjust tolerances (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13941 #13940: tests cgal/* add output variants (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13940 #13939: test distributed_grids/large_vtu_01: fix test (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13939 #13938: test distributed_grids/3d_refinement_09: refactor test and add an output variant (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13938 #13937: test base/unsubscribe_subscriptor: add output variant (proposed by tamiko) https://github.com/dealii/dealii/pull/13937 #13936: test algorithms/general_data_storage_01: add output variant (proposed by tamiko) https://github.com/dealii/dealii/pull/13936 #13935: Fix some test typenames for GCC-12. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13935 #13934: Arkode linear jacobians (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13934 #13933: Fix some CGAL tests. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13933 #13932: Move implementation of implicit_function() into .cc file (proposed by fdrmrc; merged) https://github.com/dealii/dealii/pull/13932 #13931: Use pre-compiled structdim for access to TriaObjects in Accessor (proposed by kronbichler) https://github.com/dealii/dealii/pull/13931 #13930: Speed up computation of cell vertex indices cache (proposed by kronbichler) https://github.com/dealii/dealii/pull/13930 #13929: Move wrappers for CGAL points into header (proposed by fdrmrc; merged) https://github.com/dealii/dealii/pull/13929 #13928: Move implicit_function() in CGALWrappers namespace (proposed by fdrmrc) https://github.com/dealii/dealii/pull/13928 #13927: CMake: add DEAL_II_CGAL_HAS_DEPRECATED_BOOST_INCLUDES check (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13927 #13925: base/polynomials_bdm.cc: avoid a compiler warning with gcc-12 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/13925 #13924: Provide internal function for faster access of 3D cell->line_index (proposed by kronbichler) https://github.com/dealii/dealii/pull/13924 #13923: Avoid saving and setting refinement flags in distributed Tria (proposed by kronbichler) https://github.com/dealii/dealii/pull/13923 #13922: Speed up evaluation of some ReferenceCell operations (proposed by kronbichler) https://github.com/dealii/dealii/pull/13922 #13921: Use shortcut when determining isotropic refinement cases (proposed by kronbichler) https://github.com/dealii/dealii/pull/13921 #13920: Try to fix valence (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13920 #13919: Make fields private (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13919 #13918: More sundials 6 2 (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13918 #13917: ParameterHandler::print_parameters(): Fix demangle alias parameter JSON (proposed by mschreter; merged) https://github.com/dealii/dealii/pull/13917 #13916: VT::interpolate_boundary_values() for pyramids and wedges (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13916 #13915: MF: make things more consistent (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13915 #13914: Fix compiler warning (proposed by NiklasWik; merged) https://github.com/dealii/dealii/pull/13914 #13913: Fix input and output of some cgal tests. (proposed by luca-heltai; merged) https://github.com/dealii/dealii/pull/13913 #13912: Fix orientation issue with hex cells. (proposed by luca-heltai; merged) https://github.com/dealii/dealii/pull/13912 #13911: Work on warning (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13911 #13909: Remove lex_faces from matrix-free kernels (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13909 #13908: Rename fe_base.h to fe_data.h (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13908 #13907: Add typename and instantiation to `project_boundary_values_div_conforming` (proposed by NiklasWik; merged) https://github.com/dealii/dealii/pull/13907 #13906: Doc/fix update flags h (proposed by saitoasukakawaii; merged) https://github.com/dealii/dealii/pull/13906 #13905: Dealii 9.3 (proposed by saitoasukakawaii) https://github.com/dealii/dealii/pull/13905 #13904: Replace variadic arguments with AdditionalData struct (proposed by fdrmrc; merged) https://github.com/dealii/dealii/pull/13904 #13903: Update sundials docs (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13903 #13902: Cleanup sundials context (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13902 #13901: Add missing header to test (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13901 #13900: Fix step-77 by fixing KINSOL. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13900 #13899: Document possibility for data locality in matrix-free tutorial (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13899 #13898: Remove inclusion of additional headers (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13898 #13897: Work on two compile warnings with Clang-14 (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13897 #13896: Fix compilation with CGAL. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13896 #13895: Use free consensus algorithms functions instead of the class version. (proposed by bangerth) https://github.com/dealii/dealii/pull/13895 #13894: Avoid unicode and correct 10-5 -> 10^-5. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13894 #13893: Fix arkode 3 and 4 (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13893 #13892: Fix step-81 complex number warnings (proposed by zjiaqi2018; merged) https://github.com/dealii/dealii/pull/13892 #13891: Optimize computation of Nedelec shape functions. (proposed by bangerth) https://github.com/dealii/dealii/pull/13891 #13888: Qualify int*_t and uint*_t with std::. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/13888 #13887: doxygen: don't use @ingroup simplex (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/13887 #13885: Fix a problem with combining MPI::LargeCount and PETSc. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/13885 #13884: Use map::find rather than insert to avoid creating temporary (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13884 #13883: Remove another inclusion of hanging_nodes_internal.h. Documentation. (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13883 #13879: add large vtu test (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/13879 #13867: LargeCount MPI_write/read_at for p::fd:Tria (proposed by zjiaqi2018; merged) https://github.com/dealii/dealii/pull/13867 #13850: wrapcomments.py update (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/13850 #13846: Restore compatibility with OpenCASCADE >= 7.6.0 (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/13846 #13835: Implement class NonMatching::MappingInfo (proposed by bergbauer; merged) https://github.com/dealii/dealii/pull/13835 #13828: Simplify access to MG DoFs in DoFAccessor (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/13828 #13771: CGAL: Add remesh_surface utility (proposed by fdrmrc; merged) https://github.com/dealii/dealii/pull/13771 #13767: Create a Triangulation<3> from a Triangulation<2,3> (proposed by fdrmrc; merged) https://github.com/dealii/dealii/pull/13767 #13753: Variadic template parameter for CGAL Mesh criteria (proposed by fdrmrc; merged) https://github.com/dealii/dealii/pull/13753 #13743: Cgal dealii tria from implicit function (proposed by luca-heltai; merged) https://github.com/dealii/dealii/pull/13743 #13457: Allow to average values in parallel::distributed::SolutionTransfer (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/13457 #13158: Add get_embedding_dofs() to FE_Nedelec (2-D) (proposed by harmonj; merged) https://github.com/dealii/dealii/pull/13158 #10747: Add parallel test for find_active_cell_around_point (proposed by dangars; merged) https://github.com/dealii/dealii/pull/10747 ## And this is a list of recently opened or closed discussions: #13977: block_info for hp enabled DoFHandler (opened) https://github.com/dealii/dealii/issues/13977 #13972: Compatibility with Tpetra in Trilinos 13.4.0 / 13.2.0 (opened) https://github.com/dealii/dealii/issues/13972 #13970: Should `ParameterHandler::add_parameter()` execute the action? (opened) https://github.com/dealii/dealii/issues/13970 #13966: Missing explicit instantiations of dealii::NonMatching::internal::QuadratureGeneratorImplementation::pointwise_definiteness<1> (opened and closed) https://github.com/dealii/dealii/issues/13966 #13965: Assertion in AlignedVector<T>::Deleter::MPISharedMemDeleterAction::delete_arry with libc++ (opened and closed) https://github.com/dealii/dealii/issues/13965 #13957: Some comments on the type constraint of `PreconditionRelaxation::step` (opened and closed) https://github.com/dealii/dealii/issues/13957 #13949: Optimize compilation units and object libraries: investigate sizes, minimize includes, minimize compilation times, enforce DAG (opened) https://github.com/dealii/dealii/issues/13949 #13948: MappingFEField does not support hessian (opened) https://github.com/dealii/dealii/issues/13948 #13942: matrix_free/ecl_01: fails with different l2 norm (opened and closed) https://github.com/dealii/dealii/issues/13942 #13926: gcc-11/12: Bogus warnings emitted notifying about disabled misleading indentation warning (opened and closed) https://github.com/dealii/dealii/issues/13926 #13910: Fix compile warnings (opened) https://github.com/dealii/dealii/issues/13910 #13890: Warning in step-81 (opened and closed) https://github.com/dealii/dealii/issues/13890 #13881: Unity build is broken (closed) https://github.com/dealii/dealii/issues/13881 #13822: Compilation fails for opencascade 7.6.1 (closed) https://github.com/dealii/dealii/issues/13822 #13640: Deprecated boost header (closed) https://github.com/dealii/dealii/issues/13640 #13522: Compilation error with clang-5 (closed) https://github.com/dealii/dealii/issues/13522 #13318: Compatibility with opencascade 7.6.0 (closed) https://github.com/dealii/dealii/issues/13318 #13166: We are not yet compatible with SUNDIALS 6.0 (closed) https://github.com/dealii/dealii/issues/13166 #12594: Step-77: compatibility issues and no convergence (closed) https://github.com/dealii/dealii/issues/12594 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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