deal.II Newsletter #252

[Rene Gassmoeller]

Hello everyone!

This is deal.II newsletter #252.
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:

#15177: Make some variables in a few tests 'const'. (proposed by bangerth)
#15176: Fix do_reinit of FEPointEvaluation for empty unit_points (proposed by bergbauer)
#15175: Don't try to find deal.II quietly in the examples (proposed by masterleinad; merged)
#15173: Add the PETSc SNES version of step-77 as a test. (proposed by bangerth)
#15172: Add a test to check KINSOL's ability to deal with recoverable errors. (proposed by bangerth; merged)
#15171: Let doxygen resolve a citation in step-77. (proposed by bangerth)
#15170: Do not reference a deprecated function. (proposed by bangerth; merged)
#15169: Move a function out of line. (proposed by bangerth)
#15167: Avoid empty quad in MappingInfo::reinit_cells() (proposed by fdrmrc; merged)
#15166: introduce distributed_compute_intersection_locations (proposed by jh66637)
#15165: Introduce DistributedComputeIntersectionLocationsInternal (proposed by jh66637)
#15164: Allow using Trilinos 14.0 (proposed by masterleinad)
#15163: RPE::evaluate_and_process(): pack only if needed (proposed by peterrum)
#15161: Update documentation about CUDA requirements (proposed by masterleinad; merged)
#15160: NonlinearSolverSelector class implementation (proposed by singima)
#15159: pass MPI_Comm by value (proposed by tjhei)
#15158: MGTwoLevelTransfer: use ConstraintInfo also for fine vectors (proposed by peterrum; merged)
#15156: Refactor RPE::evaluate_and_process() (proposed by peterrum; merged)
#15155: Fix bug in integrate_add_tensor_product_value_and_gradient_linear() for 1d (proposed by bergbauer; merged)
#15154: make it possible to fill RPE with GT::DistributedComputePointLocation... (proposed by jh66637)
#15153: Format journals in bibliography. (proposed by marcfehling; merged)
#15152: Format authors in bibliography. (proposed by marcfehling; merged)
#15151: Allow MappingInfo::reinit_cells() to work on containers (proposed by fdrmrc; merged)
#15150: Add getter for cell_data in RPE (proposed by fdrmrc; merged)
#15149: Introduce `MGTwoLevelTransferBase` (proposed by fdrmrc; merged)
#15147: MatrixFree diagonal: Avoid repeated computations and binary search (proposed by kronbichler; merged)
#15146: Document how we deal with errors in call-backs. (proposed by bangerth; merged)
#15137: Vectorize NonMatching::MappingInfo (proposed by bergbauer; merged)
#15134: Make it possible to document C++20 requirements (and do so). (proposed by bangerth; merged)
#15121: CMake: Test link interface again (proposed by masterleinad; merged)

And this is a list of recently opened or closed discussions:

#15174 Improve error message when deal.II found but not the right version. (opened and closed)
#15168 Future direction of the diffent Vector classes in deal.II (opened)
#15162 MatrixFree: Unify `DoFInfo` and `ConstraintInfo` (opened)
#15157 Question about patch for GINKGO cmake method (opened)
#15077 vanilla Ubuntu 20.04 linker errors with OpenMPI (closed)

A list of all major changes since the last release can be found at this website.

Thanks for being part of the community!

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