Hello everyone! This is deal.II newsletter #240. 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: #14754: Fix the type used to initialize a DerivativeForm from a tensor. (proposed by bangerth) https://github.com/dealii/dealii/pull/14754 #14753: Avoid __CUDA_ARCH__ in source code (proposed by masterleinad) https://github.com/dealii/dealii/pull/14753 #14752: Make sure all Kokkos headers are installed (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/14752 #14751: Fix compiling for the Kokkos CUDA backend using clang (proposed by masterleinad) https://github.com/dealii/dealii/pull/14751 #14747: Doc: Inform user how to exchange active FE indices on ghost cells. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/14747 #14746: Remove a BOOST src directory we don't use. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14746 #14745: Make the ExodusII reader work with line types. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14745 #14744: Some edits of the KINSol documentation. (proposed by singima; merged) https://github.com/dealii/dealii/pull/14744 #14743: Documentation: update to reflect recent CMake changes (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14743 #14742: CMake: Uniformly raise the minimum required version to 3.13.4 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14742 #14741: Introduce IndexSet::get_index_vector(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14741 #14740: Better document CommunicationPatternBase and derived classes. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14740 #14739: Strip "-x cuda" from Trilinos flags without configured Cuda support (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14739 #14738: CMake: do not use VERSION for interface targets for older CMake versions (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14738 #14737: Use the new default orientation function in more places. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14737 #14736: Add support for partitioning with PetscSF (proposed by stefanozampini) https://github.com/dealii/dealii/pull/14736 #14735: partially address https://github.com/dealii/dealii/issues/14656 (proposed by stefanozampini; merged) https://github.com/dealii/dealii/pull/14735 #14734: [9.4 branch] Mark a variable as extern (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14734 #14733: Fix a couple tests for older Kokkos versions used by Trilinos (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14733 #14732: Un-hardcode some orientation info in FE_SimplexP{_Bubbles}. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14732 #14731: Test cgal/cgal_intersect_simplices_1d_3d: constrain to version 5.5 or newer (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14731 #14730: Test lac/parallel_vector_21: do not use KOKKOS_IMPL_DO_NOT_USE_PRINTF and indeed use printf (proposed by tamiko) https://github.com/dealii/dealii/pull/14730 #14729: Test gmsh/gmsh_api_(01|02|03|04): add output variants (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14729 #14728: Fix find_all_active_cells_around_point() (proposed by peterrum) https://github.com/dealii/dealii/pull/14728 #14727: Get mapped vertices of face (proposed by jh66637) https://github.com/dealii/dealii/pull/14727 #14726: cgal: disable diagnostics when including CGAL headers (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14726 #14725: Boost: apply an upstream patch to silence -Wnonnull warnings (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14725 #14724: CMake: Silence a warning about HDF5_ROOT containing NOTFOUND (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14724 #14723: CMake: silence the CMAKE_CXX_EXTENSIONS warning when including Kokkos (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14723 #14722: Introduce DEAL_II_IF_CONSTEXPR (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14722 #14719: Use initlog() in more tests. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14719 #14718: Add explicit instantiations for VectorTools::get_position_vector overload (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14718 #14713: CMake: add_test(): allow concurrent runs of tests with shared targets (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14713 #14709: Miscellaneous improvements to ReferenceCell (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14709 #14702: Set combined orientation (proposed by drwells; merged) https://github.com/dealii/dealii/pull/14702 #14701: Also mark some variable instantiations as 'extern'. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/14701 #14685: PETScWrappers: improve preconditioner class (proposed by stefanozampini; merged) https://github.com/dealii/dealii/pull/14685 #14602: PETScWrappers:BlockSparseMatrix: constructor from PETSc Mat (proposed by luca-heltai; merged) https://github.com/dealii/dealii/pull/14602 #14571: Convert device-aware MPI implementation for LinearAlgebra::distributed::Vector (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/14571 #14508: CMake: add define_interface_target() (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/14508 ## And this is a list of recently opened or closed discussions: #14750: Compiling tutorial gives missing Kokkos header (opened and closed) https://github.com/dealii/dealii/issues/14750 #14749: building with Clang 15.0.7 and cuda support (opened) https://github.com/dealii/dealii/issues/14749 #14748: Problem with DerivativeForm Constructor (opened) https://github.com/dealii/dealii/issues/14748 #14711: Configuring with `Trilinos` somehow adds cuda flags on `expanse` (closed) https://github.com/dealii/dealii/issues/14711 #14695: mapping_collection not defined (closed) https://github.com/dealii/dealii/issues/14695 #14648: Tests stop running in parallel after a certain number of tests have been carried out (closed) https://github.com/dealii/dealii/issues/14648 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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