deal.II Newsletter #328
Rene Gassmoeller
Hello everyone!
This is deal.II newsletter #328.
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:
#18840: Provide a bit more context for step-10. (proposed by bangerth)
#18839: Matrix-free faces in 1d: Add forgotten changelogs (proposed by kronbichler; merged)
#18838: Take over changelog file for 9.7.1 from release branch (proposed by kronbichler; merged)
#18837: [9.7 branch] Port #18787 and #18789 to release branch (proposed by kronbichler; merged)
#18836: [9.7 branch] MappingP1: add default constructor (proposed by kronbichler; merged)
#18835: [9.7 branch] Port #18756 and #18763 to 9.7 release branch (proposed by kronbichler; merged)
#18833: [9.7 branch] `FESystem`: update line orientations in 2d. (proposed by drwells; merged)
#18832: `FESystem`: update line orientations in 2d. (proposed by drwells; merged)
#18831: `DoFTools::map_dofs_to_support_points()`: check that duplicates are close. (proposed by drwells; merged)
#18830: Zero out previous content in PolynomialsVectorAnisotropic::evaluate() (proposed by kronbichler; merged)
#18829: Use @param, not @arg, to document function arguments. (proposed by bangerth; merged)
#18828: PolynomialsRT_Bubbles: remove static data members. (proposed by drwells; merged)
#18827: Fix typo in constraints.h documentation (proposed by iXueJie; merged)
#18826: Bump actions/checkout from 4 to 5 (proposed by dependabot[bot]; merged)
#18825: Give a file a proper suffix. (proposed by bangerth; merged)
#18824: `QProjector`: consolidate two tests and the subface projection code. (proposed by drwells; merged)
#18822: github actions: switch from CUDA 11 to CUDA 12 (proposed by tjhei)
#18821: Fix a warning in a test. (proposed by drwells; merged)
#18820: gh-actions: added feature matrix. (proposed by marcfehling)
#18819: gh-actions: Imminent brownout of macos-13. (proposed by marcfehling; merged)
#18818: Improve an error message. (proposed by bangerth; merged)
#18817: When reading parameters from a string, don't say 'from file <input string>'. (proposed by bangerth; merged)
#18816: gh-actions: Also build on windows-2025. (proposed by marcfehling)
#18815: gh-actions: Also build in C++20 mode on macos. (proposed by marcfehling)
#18814: Fix error in step-32 when running dimensions other than 2 (proposed by RyanMoulday; merged)
#18813: Limit a workaround to older clang++ versions. (proposed by bangerth; merged)
#18812: Doc: fix ParameterHandler example (proposed by tjhei; merged)
#18811: Export more BOOST names from boost.graph. (proposed by bangerth; merged)
#18810: Export more BOOST functions. (proposed by bangerth; merged)
#18809: Suppress warnings when compiling backward compatibility headers as modules. (proposed by bangerth; merged)
#18808: Export additional symbols from boost.ccm. (proposed by bangerth; merged)
#18807: Reset FP exception flags at the end of test runs. (proposed by bangerth; merged)
#18806: `ClosestSurfacePoint`: use `ObserverPointer` and some other minor cleanups. (proposed by drwells; merged)
#18805: Add `ReferenceCell::refinement_cases()`. (proposed by drwells; merged)
#18803: [9.7 branch] Fix default for MatrixOut. (proposed by bangerth; merged)
#18802: Fix default for MatrixOut. (proposed by bangerth; merged)
#18801: Use uint8_t instead of unsigned char for geometric_orientation. (proposed by bangerth; merged)
#18799: fix workstream paper citation (proposed by tjhei; merged)
#18798: Vtk5.1 support (proposed by mkghadban; merged)
#18796: remove non-existent Vector forward declarations (proposed by tjhei; merged)
#18795: doxygen: hide TEMPL_* macros (proposed by tjhei; merged)
#18794: doc: SolverGMRES batched_mode (proposed by tjhei; merged)
#18793: Improve documentation of LA::distributed::Vector::print (proposed by Rombur; merged)
#18791: Alias Tpetra classes into the TrilinosWrappers namespace (proposed by masterleinad)
#18790: Remove unnecessary include files in tests (proposed by kronbichler; merged)
#18789: Describe result of #18328 in changelog file (proposed by kronbichler; merged)
#18788: Fix a typo (proposed by kronbichler; merged)
#18787: Fix a few formatting issues in the 9.7 changelog (proposed by kronbichler; merged)
#18786: Make `MappingP1` internal data names more consistent. (proposed by drwells; merged)
#18785: `QProjector`: make the 2d subface code `ReferenceCell`-independent. (proposed by drwells; merged)
#18784: Mappings: refactor the piola gradient. (proposed by drwells; merged)
#18783: Add parameter to control PETSc's timestepper problem type (proposed by fernandezerbes)
#18781: Implement `ReferenceCell::subface_vertex_location()`. (proposed by drwells; merged)
#18780: add DataOutInterface documentation (proposed by tjhei; merged)
#18779: Remove some unnecessary `[[maybe_unused]]`s. (proposed by drwells; merged)
#18777: Update changelogs on the 9.7 branch. (proposed by bangerth; merged)
#18776: Fix another 9.7 changelog. (proposed by drwells; merged)
#18775: Fix another 9.7 changelog. (proposed by drwells; merged)
#18772: fix nvcc work-around in petsc_matrix_base.h (proposed by tjhei; merged)
#18769: Avoid deprecation warning for using a deprecated class in a deprecated function (proposed by masterleinad; merged)
#18767: Fix C++20 modules CI by using CMAKE_CXX_STANDARD=23 (proposed by masterleinad; merged)
#18766: MappingP1: add default constructor (proposed by tjhei; merged)
#18765: Some smaller updates to the 9.7 changelog. (proposed by bangerth; merged)
#18764: Remove the CUDA module. (proposed by drwells; merged)
#18763: Matrix-free face setup in 1d: allow neighbors to differ by more than 1 level (proposed by kronbichler; merged)
#18762: (dealii-9.7) MSVC c++20 compatibility - DoFInvalidAccessor template instantiations (proposed by gsegon; merged)
#18761: MSVC c++20 compatibility - DoFInvalidAccessor template instantiations (proposed by gsegon; merged)
#18760: simplify kokkos device logic (proposed by tjhei; merged)
#18759: Implemented read_partitioned_msh() (proposed by devi-raksha)
#18758: gh-actions: build deal.II on windows with c++20. (proposed by marcfehling; merged)
#18756: Add test for identification of faces in matrix-free framework (proposed by kronbichler; merged)
#18755: Fix: DG+1D+periodic+matrix_free (proposed by peterrum)
#18754: Fix: TpetraWrappers::Vector::locally_owned_elements() returns wrong index set (proposed by kinnewig; merged)
#18753: Fix more modules for external dependencies (proposed by masterleinad; merged)
#18752: Update website URL from www.dealii.org to dealii.org (proposed by tamiko; merged)
#18738: Links for the results sections in the tutorials. (proposed by cembooks; merged)
#18727: Implement back_interpolate() for TpetraWrappers::Vector. (proposed by kinnewig; merged)
#18680: Tools for SBM: ClosestSurfacePoint class (proposed by mwichro; merged)
#18433: Auto-indent Python in pre-commit (proposed by jpthiele; merged)
#18418: Implementation of Portable::FEEvaluation::get/submit_symmetric_gradient (proposed by YiminJin; merged)
And this is a list of recently opened or closed discussions:
#18834 Change auto-generated labels in tutorials. (opened)
#18823 Fix unlinked reference to the removed function `VectorTools::project_boundary_values_curl_conforming` (opened and closed)
#18804 cmake is ignoring my BOOST_DIR (opened)
#18800 Regression tester regressed 14f9f2 (opened)
#18797 Compilation failures with CUDA, boost-1.88.0 and clang-20 (opened)
#18792 AffineConstraints::distribute_local_to_global(Vector, IndexSet, LinearAlgebra::TpetraWrappers::Vector<number>) returns wrong system right hand side.. (opened)
#18782 Call std::breakpoint_if_debugging before aborting a program in failed asserts. (opened)
#18778 Bug in `mesh_loop` in DG with local refinement (opened)
#18774 Avoid 'using' the two-argument Utilities::MPI::ConsensusAlgorithms::Interface::run() function. (opened)
#18773 `CellAccessor<dim, spacedim>` circumvents constness of `Triangulation` (opened)
#18771 Make `FE_Nothing` a first class citizen - i.e., allow the exceptional case of 0 degrees of freedom in a computation and in our linear algebra (opened)
#18770 `Table<N, Number>` reports wrong size when one of the dimensions has size 0 (opened)
#18768 Erroneous deprecation warning in SparseMatrixTools::restrict_to_full_matrices (opened and closed)
#18757 deal.II 9.7.0: dof_accessor.cc does not compile on Visual Studio 2022 with C++20 (opened and closed)
#18729 TpetraWrappers::Vector::locally_owned_elements() returns wrong index set (closed)
#18627 Reference in step-2 (closed)
#18526 Should wrapped external libraries be wrapped in the dealii module, or a different module? (closed)
#18450 CGAL throws exception at program end. (closed)
#18419 Use 'list(APPEND ...)' when collecting header and source files. (closed)
#18372 Auto-indent Python scripts in our CI steps. (closed)
#18145 Should we ban "Merge branch `master` of `https://github.com/dealii/dealii` into `feature-branch`"? (closed)
#18034 Compile warnings with bundled tbb and gcc-14.2 (closed)
#17718 Link-time optimization issues. (closed)
#17122 Gridin (closed)
#16792 linux debug cuda-11 CI failing (closed)
#16289 Assessment of the difficulty in porting CPU architecture for dealii (closed)
#15814 Both 9.5.0 and 9.5.1 failed to install on aarch64 machines (closed)
#13568 Mapping::get_vertices() uses GeometryInfo::vertices_per_cell (closed)
#12441 Add distance_to_unit_cell to ReferenceCell (closed)
#9369 Native smoothing of grids respecting Manifolds (closed)
#8161 Boost 1.70 is not compatible with CUDA (closed)
#5664 Failing opencascade/arclength_boundary_02 (closed)
#4768 Compile tests in tests/fail/ (closed)
A list of all major changes since the last release can be found at this website.
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