Hello everyone! This is deal.II newsletter #279. 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: #16825: Bump lukka/get-cmake from 3.27.9 to 3.29.0 (proposed by dependabot[bot]) https://github.com/dealii/dealii/pull/16825 #16823: Revert aligning tensors (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16823 #16821: Deprecate some more (bool, bool, bool) orientation functions (proposed by drwells) https://github.com/dealii/dealii/pull/16821 #16820: distributed/tria.cc: avoid FPE due to undefined behavior (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16820 #16816: No longer output the size of tensors into output file of a test. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16816 #16815: Fix a second place where particles compute the size of a buffer. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16815 #16814: Add codimension in get_name() for a few elements (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/16814 #16813: Allocate the right amount of memory when serializing particles. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16813 #16812: Test grid/closest_point: guard against roundoff error (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16812 #16811: Test trilinos/precondition: Relax iteration bounds (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16811 #16810: Test grid/grid_generator_09: add another output variant (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16810 #16809: Test mappings/mapping_q_real_to_unit_internal: add avx256 output variant (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16809 #16808: Test cgal/cgal_triangulation_05: add avx output variants (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16808 #16806: Remove hardcoded inverse orientation (proposed by drwells; merged) https://github.com/dealii/dealii/pull/16806 #16805: Add assert on reinit() being called before get_present_fe_values() (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/16805 #16804: Add a test for COMSOL .mphtxt triangle meshes. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16804 #16803: Augment documentation of class Tensor. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16803 #16802: Fix compilation of a test. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16802 #16801: MappingQ: Do not assume contiguous storage of Tensor<2, dim> (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16801 #16800: FEEvaluation: Modernize documentation of get_xxx/submit_xxx (proposed by kronbichler) https://github.com/dealii/dealii/pull/16800 #16799: Remove leftover author names in GridIn. (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/16799 #16798: Instantiate MappingC1 for dim <= spacedim (proposed by simonsticko; merged) https://github.com/dealii/dealii/pull/16798 #16797: `base/tensor.h`: make a statement a bit easier to read (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16797 #16795: Add three GridGenerator functions to the python wrappers (proposed by Rombur; merged) https://github.com/dealii/dealii/pull/16795 #16793: Fix CI using Kokkos+Cuda and CMake 3.28.4 and later (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/16793 #16791: Provide a better error message. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16791 #16790: Remove/deprecate Tensor::begin/end_raw(). (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16790 #16789: FEEvaluation: Ensure assertions in get_value/gradient are working (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16789 #16788: FEEvaluation: Add static asserts to functions selected by enable_if (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16788 #16787: FEEvaluation: Fix submit_gradient in 1D (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16787 #16785: CMake: fix OpenCASCADE-7.8 configure (proposed by tamiko; merged) https://github.com/dealii/dealii/pull/16785 #16784: Fix compiler warning for macro usage in TpetraWrappers (proposed by masterleinad; merged) https://github.com/dealii/dealii/pull/16784 #16782: Fix test environment variables for OpenMPI 5. (proposed by drwells; merged) https://github.com/dealii/dealii/pull/16782 #16780: Consistent periodic orientation encoding (proposed by drwells; merged) https://github.com/dealii/dealii/pull/16780 #16776: FEEvaluation: Remove specialized Access class (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16776 #16771: Align Tensor<rank,dim,Number> to make vectorization possible. (proposed by bangerth; merged) https://github.com/dealii/dealii/pull/16771 #16765: FEPointEvaluation: Work towards dim < spacedim (proposed by kronbichler; merged) https://github.com/dealii/dealii/pull/16765 ## And this is a list of recently opened or closed discussions: #16827: VectorizedArray<float,2> does not exist. (opened) https://github.com/dealii/dealii/issues/16827 #16826: Regression tester regressed d72f36 (opened) https://github.com/dealii/dealii/issues/16826 #16824: Regression tester regressed ba5fde (opened and closed) https://github.com/dealii/dealii/issues/16824 #16822: Regression tester regressed d27057 (opened) https://github.com/dealii/dealii/issues/16822 #16819: Linking tests to libarpack.so fails. (opened) https://github.com/dealii/dealii/issues/16819 #16818: Remove constructor Quadrature(unsigned int). (opened) https://github.com/dealii/dealii/issues/16818 #16817: Track whether SymEngine has been built with LLVM support. (opened) https://github.com/dealii/dealii/issues/16817 #16807: Alignment warnings for exceptions containing (aligned) tensor with clang 14 (opened) https://github.com/dealii/dealii/issues/16807 #16796: Aligning tensors leads to 545 failures on platforms with 256-bit vectorization. (opened and closed) https://github.com/dealii/dealii/issues/16796 #16794: Regression tester regressed 052db7 (opened and closed) https://github.com/dealii/dealii/issues/16794 #16792: linux debug cuda-11 CI failing (opened) https://github.com/dealii/dealii/issues/16792 #16786: CMake: use OpenCASCADE project config instead of manual library detection (opened) https://github.com/dealii/dealii/issues/16786 #16783: Regression tester regressed 3c2b53 (opened and closed) https://github.com/dealii/dealii/issues/16783 #16774: Regression tester regressed 53bb2b (closed) https://github.com/dealii/dealii/issues/16774 #11944: FEPointEvaluation: float and dim neq spacedim (closed) https://github.com/dealii/dealii/issues/11944 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! 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