TS Hamiltonian ex2: Fixed 1D mixed EM
- Add dmPot and isPot to support a potential subspace
- Allow named vectors to be from a subspace
- Add moments cellDM to compute charge density

Hamiltonian ex2: Massive cleanup
- Moved remapping to DMSwarm
- Removed fake 1D mode
- Now get velocity DM from the Swarm cell DM
- Removed initCoordinates and initVelocity fields
- Optimized tabulat

Hamiltonian ex2: Massive cleanup
- Moved remapping to DMSwarm
- Removed fake 1D mode
- Now get velocity DM from the Swarm cell DM
- Removed initCoordinates and initVelocity fields
- Optimized tabulation creation in electric field evaluation
- Removed ComputeError()
- Removed remap flag
- Changed all 2D runs to 1D runs

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TS Hamiltonian ex2: Add projection remapping

DSwarm: Add DMSwarmCellDM type
- Vectors can be created from several fields
- Each cell DM has a separate cellid field and sort context
- Mass matrix can now handle multiple fields
- Add DMSwarmCellD

DSwarm: Add DMSwarmCellDM type
- Vectors can be created from several fields
- Each cell DM has a separate cellid field and sort context
- Mass matrix can now handle multiple fields
- Add DMSwarmCellDMCreate(), DMSwarmCellDMDestroy(), DMSwarmCellDMView(), DMSwarmCellDMGetDM(), DMSwarmCellDMGetFields(), DMSwarmCellDMGetCoordinateFields(), DMSwarmCellDMGetCellID(), DMSwarmCellDMGetSort(), DMSwarmCellDMSetSort(), and DMSwarmCellDMGetBlockSize()
- Add DMSwarmAddCellDM(), DMSwarmSetCellDMActive(), and DMSwarmGetCellDMActive()
- Add DMSwarmCreateGlobalVectorFromFields(), DMSwarmDestroyGlobalVectorFromFields(), DMSwarmCreateLocalVectorFromFields(), and DMSwarmDestroyLocalVectorFromFields()
- Add DMSwarmSortDestroy()

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Hamiltonian ex2: Add 1D test
- Add E field viewer, fix plot name and window placement
- Reorganize Poisson viewers

brain dead fixes for useless casts in examples

Merge branch 'barry/2024-09-29/fix-function-typedef-style' into 'main'

Unify handling of context destructors

See merge request petsc/petsc!7900

Merge branch 'knepley/feature-hamiltonian-ex2-opt' into 'main'

Fix Hamiltonian ex2 for Landau Damping

See merge request petsc/petsc!7937

Hamiltonian ex2: Optimizations, Fix projection
- Cache FEM mass matrix
- Cache mesh geometry
- Compute projection with correct DM
- Put discretization in velocity DM

Hamiltonian ex2/ex6: Rewrite particle initialization
- Add logging events
- Fix field handling

FOO ex6

Unifies all context destructors to have a form of PetscCtxDestroyFn == PetscErrorCode (*)(void **)

Changes the previous subset of destructor APIs that used PetscErrorCode (*)(void *) (mostly those t

Unifies all context destructors to have a form of PetscCtxDestroyFn == PetscErrorCode (*)(void **)

Changes the previous subset of destructor APIs that used PetscErrorCode (*)(void *) (mostly those that
used PetscContainer

- Now allows any context to be a PetscObject
- Will provide a cleaner mapping to bindings in other languages
- Simplifies the maintenance of PETSc source code; improves clarity

Not backward compatible, compiler warnings will tell users what functions need to be updated

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Fix example use of typedef with function pointer naming

CI: enable compilation of examples in some stage-1 jobs

Fix typos

CI: update checkclangformat to use clang-format-19.1.0

Remove unneeded parentheses

Use NULL or nullptr instead of casted 0

Fix MPIU_* routines to always return MPI error codes and thus be usable with PetscCallMPI()

Introduce MPIU_Count to be used when MPI_Count is not available

Change from deprecated PETSC_MAX/MIN_INT to PETSC_INT_MAX/MIN

Commit-type: i.e. error-checking, optimization, bug-fix, portability-fix, testing-fix, style-fix, feature, documentation, example
Funded

Change from deprecated PETSC_MAX/MIN_INT to PETSC_INT_MAX/MIN

Commit-type: i.e. error-checking, optimization, bug-fix, portability-fix, testing-fix, style-fix, feature, documentation, example
Funded-by:
Project:
Time: hours
Reported-by:
Thanks-to:
Development Tools: Vim, Emacs, Eclipse

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Add support to MPIU_Allreduce to prevent int overflow with a single integer argument

Add to CI compilers flags '-Wconversion', '-Wno-sign-conversion', '-Wno-float-conversion', '-Wno-implicit-float-conversion']

Also fix the code to repository to compile cleanly with these flags in th

Add to CI compilers flags '-Wconversion', '-Wno-sign-conversion', '-Wno-float-conversion', '-Wno-implicit-float-conversion']

Also fix the code to repository to compile cleanly with these flags in the CI

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Merge branch 'hongzh/imex-fastslow' into 'main'

IMEX solver for fast slow systems

See merge request petsc/petsc!7722

Add a new ARKIMEX solver for fast-slow systems

Remove empty comments from the source, that is /* */

Also remove some /******************* comments

Also remove some multiline comments with /* and */ at the beginning and end of each line

TSMonitorSolutionVTK: add dumping interval