deal.II Newsletter #225

[Rene Gassmoeller]

Hello everyone!

This is deal.II newsletter #225.
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:

#14271: [WIP] PreconditionChebyshev: add specialization for A and P with ranges (proposed by peterrum)
#14270: Triangulation: implement global_*_cell_index_partitioner() (proposed by peterrum)
#14269: Use ExcNeedsMPI (proposed by peterrum; merged)
#14268: Ensure that every header which uses numeric_limits includes limits. (proposed by drwells; merged)
#14267: Fix formatting (proposed by peterrum; merged)
#14266: [WIP] Add SolutionSerialization (proposed by peterrum)
#14265: Fix unused warning (proposed by peterrum; merged)
#14264: Avoid warning about function that might not be inlinable (proposed by kronbichler; merged)
#14262: `invalid_fe_index`: fix deprecated warning (proposed by mschreter; merged)
#14261: Linking error: make `dealii::internal::SolverGMRESImplementation::solve_triangular()` inline (proposed by mschreter; merged)
#14259: GT::distributed_compute_point_locations(): project reference points onto cell (proposed by peterrum; merged)
#14258: DataOutResample for multiple components (proposed by peterrum)
#14257: Clean up implementation in SolverBicgstab (proposed by kronbichler; merged)
#14256: Revise vector operations in SolverIDR to improve performance (proposed by kronbichler; merged)
#14255: [9.4] Fix PETSc version detection. (proposed by drwells; merged)
#14254: Vectorize more work in reductions of vector operations (proposed by kronbichler; merged)
#14253: Copy scalars in vector operations to make compiler optimize more (proposed by kronbichler; merged)
#14252: Provide inlined fast code path for Vector::reinit(Vector&) (proposed by kronbichler; merged)
#14251: SolverGMRES: Add 'batched' mode for reduced overhead at small sizes (proposed by kronbichler; merged)
#14250: cleanup some more header inclusions. (proposed by drwells; merged)
#14249: Fix another warning about an unused variable (proposed by kronbichler; merged)
#14248: Fix warning regarding unused variables (proposed by kronbichler; merged)
#14246: Improve error message. (proposed by bangerth)
#14245: PreconditionRelaxation: add specialization (proposed by peterrum; merged)
#14096: Function to restrict matrices (proposed by peterrum; merged)

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

#14263 Undefined behavior warning: `Triangulation::execute_refinement_isotropic/execute_coarsening` (opened)
#14260 Implement `ReferenceCell::project_to_unit_cell()` (opened)
#14247 VectorizedArray Warning (opened)

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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