Hello everyone! This is deal.II newsletter #258. 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: #15455: add mailmap entry (proposed by tamiko) https://github.com/dealii/dealii/pull/15455 #15454: Advertise NonlinearSolverSelector in step-77. (proposed by bangerth) https://github.com/dealii/dealii/pull/15454 #15452: Fix invalid data access in MatrixFreeTools::compute_diagonal (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15452 #15451: Fix invalid memory access of DoFAccessorImplementation (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15451 #15450: NOX: catch std::runtime_error instead of char* for Trilinos 4.2.0 onwards (proposed by tamiko) https://github.com/dealii/dealii/pull/15450 #15449: Test numerics/nonlinear_solver_selector_03: use check_solver_within_range macro (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15449 #15448: Test cgal/cgal_surface_mesh_02: disable floating point exceptions (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15448 #15447: Test base/hdf5_0{3,5}.mpirun={1,4}: do not compare test output (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15447 #15446: lac/parpack_solver: add missing compress() operation (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15446 #15445: TriaIterator: return a proper Accessor temporary (proposed by tamiko) https://github.com/dealii/dealii/pull/15445 #15444: matrix_free/tools.h: avoid stack use after scope (proposed by tamiko) https://github.com/dealii/dealii/pull/15444 #15443: [Post-9.5] Add an assertion. (proposed by bangerth) https://github.com/dealii/dealii/pull/15443 #15442: fix step-57 bilinear form (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/15442 #15441: MFTools::categorize_by_boundary_ids: use iterator (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/15441 #15438: [Post-9.5] Simplify some code that uses SolutionTransfer. (proposed by bangerth) https://github.com/dealii/dealii/pull/15438 #15437: Fix step-33. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15437 #15436: Warn about the use of higher order output when using Visit. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15436 #15435: Add a better error message for Cuda + bundled Kokkos. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/15435 #15434: Examples 9.5 (proposed by drwells; merged) https://github.com/dealii/dealii/pull/15434 #15431: Fix bug in AffineConstraints::make_sorted_row_list (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15431 #15430: Fix bug in MatrixFree setup for FE_Nothing (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15430 #15429: CGAL: fix some bogus warnings with gcc-13 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15429 #15428: fe/fe_values: avoid a "maybe uninitialized" warning with gcc-13 (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15428 #15425: CMake: avoid adding ${DEAL_II_BUNDLED_INCLUDE_DIRS} to bundled targets (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15425 #15423: Fix a few more 'set up' (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15423 #15422: Fix clang-tidy complaints (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15422 #15420: [Post-9.5] Add a version of step-67 that uses PETSc TS time stepping. (proposed by bangerth) https://github.com/dealii/dealii/pull/15420 #15419: [Post-9.5] Minor adjustment to versions of step-77 in the test suite. (proposed by bangerth) https://github.com/dealii/dealii/pull/15419 #15418: [Post-9.5] When we know that sparsity pattern entries are sorted, communicate that. (proposed by bangerth) https://github.com/dealii/dealii/pull/15418 #15417: [Post-9.5] Standardize on the idiom of calling std::erase after std::unique. (proposed by bangerth) https://github.com/dealii/dealii/pull/15417 #15416: [Post-9.5] Rename a lambda function and make it easier to read. (proposed by bangerth) https://github.com/dealii/dealii/pull/15416 #15415: FE_Hermite objects for solving with Hermite finite elements (proposed by ivweber) https://github.com/dealii/dealii/pull/15415 #15414: Fix doxygen reflinks (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15414 #15413: Move source/matrix_free up in build order (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15413 #15412: Spell 'set up' when used as a verb (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15412 #15411: Testsuite: symengine/symengine_tensor_operations_04: fix test compilation (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15411 #15410: Discuss replacing KINSOL by SNES or NOX in step-77. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15410 #15409: Fix a typo in the name of a function in the documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15409 #15408: Minor adjustment to step-77. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15408 #15407: Correct a version number. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15407 #15406: Testsuite: symengine/symengine_tensor_operations_04: fix test compilation (proposed by tamiko) https://github.com/dealii/dealii/pull/15406 #15405: Fix some more tests without hypre and with C++20 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15405 #15404: Testsuite: sharedtria/communicate_active_fe_indices_01b: do not compare test output (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15404 #15403: Testsuite: scalapack/scalapack_05: add output variant (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15403 #15402: [Post-9.5] Optimize IndexSet::add_indices() for the case of duplicate indices. (proposed by bangerth) https://github.com/dealii/dealii/pull/15402 #15401: [Post-9.5] Address some cppcheck findings (proposed by masterleinad) https://github.com/dealii/dealii/pull/15401 #15399: Testsuite: do not compare output for some rpe/* tests (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15399 #15397: Testsuite: opencascade/stl_(refinement|write): do not compare output (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15397 #15396: Testsuite: numerics/nonlinear_solver_selector_03_petsc: add output variant (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15396 #15394: Testsuite: mpi/hp_cell_weights_* do not compare output for metis variants (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15394 #15393: Fix poor doxygen indentation choices. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15393 #15392: add an entry in doc/news/changes/minor for PR #15377 (proposed by taojinllnl; merged) https://github.com/dealii/dealii/pull/15392 #15391: Fix ArborX tests for Trilinos 14/Kokkos 4 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15391 #15390: Try to work around an Intel compiler issue. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15390 #15389: Testsuite: metis/metis_*: only run tests, do not compare output (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15389 #15388: Testsuite: fix gmsh tests (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15388 #15387: Instantiate MGTwoLevelTransferBase explicitly (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15387 #15386: Release preparation: Run codespell. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/15386 #15385: Release preparation: update gitattributes (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15385 #15384: Release preparation: update copyright years (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15384 #15381: MatrixFree: Only set up the inner faces when so requested (proposed by kronbichler) https://github.com/dealii/dealii/pull/15381 #15380: Make FE_EVAL_FACTORY_DEGREE_MAX more robust (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15380 #15379: Restrict GridTools::Cache tests using Zoltan (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15379 #15378: fix: update ninja build resource (proposed by emmanuel-ferdman; merged) https://github.com/dealii/dealii/pull/15378 #15377: Remove error output in lapack_full_matrix.cc (proposed by taojinllnl; merged) https://github.com/dealii/dealii/pull/15377 #15376: Performance tests: small cleanup and documentation update (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/15376 #15374: Fix a typo in step-19 (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15374 #15373: Fix doxygen for PETScWrappers::TimeStepper using DEAL_II_CXX20_REQUIRES (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15373 #15372: Wait for communication to finish. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15372 #15370: Add a test for step-70. (proposed by bangerth) https://github.com/dealii/dealii/pull/15370 #15369: improve name and documentation (proposed by jh66637; merged) https://github.com/dealii/dealii/pull/15369 #15368: PETSc: Fix backward compatibility (proposed by stefanozampini; merged) https://github.com/dealii/dealii/pull/15368 #15367: [Post-9.5] Only run expensive parallel code if a vector is really parallel. (proposed by bangerth) https://github.com/dealii/dealii/pull/15367 #15366: Avoid a quadratic bottleneck in AffineConstraints::distribute(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15366 #15365: Some updates to the step-19 documentation. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15365 #15364: NonNestedTransfer: allow to pass coarse DH with more dofs than fine DH (proposed by jh66637; merged) https://github.com/dealii/dealii/pull/15364 #15362: Use a delegating constructor in DSP. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/15362 #15360: Update tests (proposed by drwells; merged) https://github.com/dealii/dealii/pull/15360 #15359: Convert some more places to 'subobject' instead of 'quad'. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/15359 #15358: Reuse NonMatching::MappingInfo (proposed by bergbauer; merged) https://github.com/dealii/dealii/pull/15358 #15357: make another AdditionalData ctor explicit (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/15357 #15356: Clarify why n_faces() is only possible on cells. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15356 #15355: Fix compiling deal.II with PETSc and complex scalar type (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15355 #15354: doc: add info to distort_random (proposed by tjhei; merged) https://github.com/dealii/dealii/pull/15354 #15353: Fix unused-but-set-variable warning (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15353 #15351: Fix matrix_free_device tests for Trilinos 12.14.1 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15351 #15350: Adjust the discussion about solvers in step-6. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15350 #15349: PETSc tests: Add alternative output files for clang-16 (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15349 #15348: Make sure a conversion is safe. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15348 #15347: Enforce callback return value standard for the new NonlinearSolverSelector class. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15347 #15346: Fix grammar. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15346 #15345: Extend documentation of the results section of step-59 (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15345 #15344: PETSc: Convert PetscScalar* iterators when calling IndexSet::add_indices (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/15344 #15343: FEFaceEvaluation: Consistently use n_components_ template argument (proposed by bergbauer; merged) https://github.com/dealii/dealii/pull/15343 #15342: FEFaceEvaluation: Select general path for exterior cells with constraints (proposed by bergbauer; merged) https://github.com/dealii/dealii/pull/15342 #15341: Step-69: fix typo in documentation (proposed by mschreter; merged) https://github.com/dealii/dealii/pull/15341 #15340: Fix MG p-transfer with FE_Nothing (proposed by sebproell; merged) https://github.com/dealii/dealii/pull/15340 #15339: Minor adjustments to FETools::extrapolate(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15339 #15338: Clarify the name of a variable. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15338 #15336: Fix renumbering in FEPointEvaluation (proposed by jh66637; merged) https://github.com/dealii/dealii/pull/15336 #15329: Add something about postprocessing to step-4. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/15329 #15327: github-actions: Do not treat `tautological-constant-compare` as error. (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/15327 #15303: Tensor product evaluation at arbitrary points: Optimize linear case (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/15303 #15297: Choose to initialize BlockVector with ghost elements using reinit(partitioners). (proposed by marcfehling; merged) https://github.com/dealii/dealii/pull/15297 #15286: Deprecate our own CUDA backend (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/15286 #15276: recoverable SNES and TS (proposed by stefanozampini; merged) https://github.com/dealii/dealii/pull/15276 #15160: NonlinearSolverSelector class implementation (proposed by singima; merged) https://github.com/dealii/dealii/pull/15160 #15007: Fix copy constructor of MappingQ (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/15007 #14978: Move OrthogonalizationStrategy into new file (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14978 #14955: Remove specialization of CellwiseInverseMassMatrixImplBasic::run() (proposed by peterrum; merged) https://github.com/dealii/dealii/pull/14955 ## And this is a list of recently opened or closed discussions: #15453: Make step-70 more robust. (opened) https://github.com/dealii/dealii/issues/15453 #15440: Binding to TriaAccessor reference returned by dereferencing a TriaIterator temporary leads to use after scope (opened) https://github.com/dealii/dealii/issues/15440 #15439: Simplex: out of bounds vector access in DoFAccessor::distribute_dofs() (opened and closed) https://github.com/dealii/dealii/issues/15439 #15433: step-57 stalls (opened and closed) https://github.com/dealii/dealii/issues/15433 #15432: Bundled Kokkos + CUDA (opened and closed) https://github.com/dealii/dealii/issues/15432 #15427: AffineConstraints: out of bounds vector access (opened and closed) https://github.com/dealii/dealii/issues/15427 #15426: Matrix-free: out of bounds vector access (opened and closed) https://github.com/dealii/dealii/issues/15426 #15424: Failing PETSc tests with older versions (opened) https://github.com/dealii/dealii/issues/15424 #15421: Can't visualize step-67 output (opened and closed) https://github.com/dealii/dealii/issues/15421 #15400: Improve IndexSet::add_indices() for sorted ranges with duplicates (opened) https://github.com/dealii/dealii/issues/15400 #15398: Check for hits in IndexSet::add (opened) https://github.com/dealii/dealii/issues/15398 #15395: Testsuite: tests should not output and compare initial and final residuals (opened) https://github.com/dealii/dealii/issues/15395 #15383: deal.II Release 9.5.0 (opened) https://github.com/dealii/dealii/issues/15383 #15382: Cannot build master with either Intel18 or Intel19 (on stampede2) (opened and closed) https://github.com/dealii/dealii/issues/15382 #15375: Improve some AffineConstraints functions. (opened) https://github.com/dealii/dealii/issues/15375 #15371: Improve step-70 regarding time step size (opened) https://github.com/dealii/dealii/issues/15371 #15363: Remove error output from lapack_full_matrix.cc (opened and closed) https://github.com/dealii/dealii/issues/15363 #15361: SNES should throw an exception when it fails to converge (opened) https://github.com/dealii/dealii/issues/15361 #15352: Hard-to-understand error messages for simplex triangulation (opened) https://github.com/dealii/dealii/issues/15352 #15337: Fast path of FEPointEvaluation for FEDG_Q with n_components>1 broken (closed) https://github.com/dealii/dealii/issues/15337 #15309: Talk about actually doing something with the solution computed in tutorials (closed) https://github.com/dealii/dealii/issues/15309 #15305: Fields are not reset during MappingInfo().reinit_*() (closed) https://github.com/dealii/dealii/issues/15305 #15234: Documentation not showing up correctly - issue with DEAL_II_CXX20_REQUIRES (closed) https://github.com/dealii/dealii/issues/15234 #15045: tests/petsc/petsc_partitioner_06.mpirun=4.debug fails (closed) https://github.com/dealii/dealii/issues/15045 #14859: Failed assertion with hanging nodes and solution transfer (closed) https://github.com/dealii/dealii/issues/14859 #14844: Step-70 runtime error (closed) https://github.com/dealii/dealii/issues/14844 #14217: Undefined references when linking with ld.lld (closed) https://github.com/dealii/dealii/issues/14217 #14129: Warning when compiling TableHandler (closed) https://github.com/dealii/dealii/issues/14129 #14127: compute_local_to_global_vertex_index_map does not wait for communication to finish (closed) https://github.com/dealii/dealii/issues/14127 #14106: Robustness of FEEvaluation's pre-compiled evaluation routines (closed) https://github.com/dealii/dealii/issues/14106 #13972: Compatibility with Tpetra in Trilinos 13.4.0 / 13.2.0 (closed) https://github.com/dealii/dealii/issues/13972 #12374: CMake: use import and interface targets (closed) https://github.com/dealii/dealii/issues/12374 #11529: Ubuntu/Debian: Document better how to use the deal.II package (closed) https://github.com/dealii/dealii/issues/11529 #10945: step-19: Revise discussion about time stepping + update movie (closed) https://github.com/dealii/dealii/issues/10945 #10939: [step-59] Extend section on possibilities for extensions (closed) https://github.com/dealii/dealii/issues/10939 #10175: Bug on find_active_cell_around_point for p::d::t. (closed) https://github.com/dealii/dealii/issues/10175 #3230: more quick tests (closed) https://github.com/dealii/dealii/issues/3230 #1333: automated performance tester (closed) https://github.com/dealii/dealii/issues/1333 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. Thanks for being part of the community! Let us know about questions, problems, bugs or just share your experience by writing to dealii@googlegroups.com, or by opening issues or pull requests at https://www.github.com/dealii/dealii. Additional information can be found at https://www.dealii.org/. -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. 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