isoperiodic: Correct sfNatural after reorienting

plex: Isoperiodic fixes cone orientations automatically

Merge branch 'jrwrigh/box_label_periodic' into 'main'

Plex: -dm_plex_box_label also setups isoperiodicity

See merge request petsc/petsc!7981

plex box label: Setup isoperiodicity

Plex ex1: Fluent tests working
- Fixed label in CASE file
- Added new 3D test

Plex: Fix DMSetCoordinateDisc() for isoperiodic boundaries

This reinstates the changes added in !5970 and removed in !6959.

tl;dr, `DMCreateInterpolation` (used in `DMSetCoordinateDisc`, and
`DMPro

Plex: Fix DMSetCoordinateDisc() for isoperiodic boundaries

This reinstates the changes added in !5970 and removed in !6959.

tl;dr, `DMCreateInterpolation` (used in `DMSetCoordinateDisc`, and
`DMProjectCoordinates` before it) does not handle isoperiodic boundaries
correctly. !5970 replaced that code using `DMProjectFieldLocal` instead.
That was then removed in !6959. This is also discussed in issue 1506.
I initially made an MR in !7308, but that was on a fork. This commit is
on the PETSc repo itself.

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Merge branch 'jrwrigh/cgns_fix_test' into 'main'

test: Fix parallel CGNS test redistribution

See merge request petsc/petsc!7955

plex: Deprecate DMPlex{Set,Get}GlobalToNaturalSF

Natural SF got moved to a "global" DM object, so should be used there.
Additionally, DMPlexSetGlobalToNaturalSF() did not destroy a
pre-existing sfNa

plex: Deprecate DMPlex{Set,Get}GlobalToNaturalSF

Natural SF got moved to a "global" DM object, so should be used there.
Additionally, DMPlexSetGlobalToNaturalSF() did not destroy a
pre-existing sfNatural from the DM, causing memory leaks

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brain dead fixes for useless casts in examples

Plex ex3: Added a test for the tobox transformation

Plex: If the cell type changes, we need to recreate the coordinate discretization
- Thus, now refinement always recreates it

Fix typos

Merge branch 'knepley/feature-plex-hdf5-opt' into 'main'

IS+HDF5: Add run-length compression to IS I/O

See merge request petsc/petsc!7862

Merge branch 'mixed_type_of_elements_for_partitionning_and_overlap' into 'main'

Add results for the mixed element types test for partitionning and ovelap...

See merge request petsc/petsc!7877

Plex ex47: Add a mesh of triangles and quads for partitionning and overlapping computation tests.

Add check for misuse of TODO in gmakegentest.py specifications and fix misuse

Plex+HDF5: Do not write celltypes label

exodusii: add PetscExodusIIInt, PetscExodusIIFloat, fixes src/dm/impls/plex/tests/ex26 with 64bit build

Use NULL or nullptr instead of casted 0

Plex ex44: Added parallel extrusion tests

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 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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Viwering PetscSection displays dof as dim in the ASCII files, fix to dof

plexcreate: add localizationHeight and sparseLocalize args to DMPlexCreateBoxMesh()