Merge branch 'barry/2026-01-13/ftn-generation-for-context-functions' into 'main'

Fortran generation of interface definitions for functions that take and return context variables (void *ctx and PetC

Merge branch 'barry/2026-01-13/ftn-generation-for-context-functions' into 'main'

Fortran generation of interface definitions for functions that take and return context variables (void *ctx and PetCtx ctx)

See merge request petsc/petsc!8956

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Add automatic generated fortran support for setting and returning contexts

Major cleanup of the code for setting and returning application (previously called user) contexts
- PetscCtx ctx is now t

Add automatic generated fortran support for setting and returning contexts

Major cleanup of the code for setting and returning application (previously called user) contexts
- PetscCtx ctx is now the standard for passing in contexts
- PetscCtxRt ctx is the standard for passing out contexts, including context destroy routines based on PetscCtxDestroyFn

Both of these are typedef to void*

Also removed most use of user and userctx for context arguments now consistently named ctx

Improved documentation on PetscCtx and PetscCtxRt and on how to use contexts (including getting them) from Fortran

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Merge branch 'barry/2025-11-30/fix-bad-ts' into 'main'

Fix bad decisions made in writing TS.

See merge request petsc/petsc!8877

Fix bad decisions made in writing TS.

Fix -ts_dt to -ts_time_step and add initial time step to TSView output

commit a5a92c11fa9681148df375b257eda4e09909b74e
Author: Barry Smith <bsmith@petsc.de

Fix bad decisions made in writing TS.

Fix -ts_dt to -ts_time_step and add initial time step to TSView output

commit a5a92c11fa9681148df375b257eda4e09909b74e
Author: Barry Smith <bsmith@petsc.dev>
Date: Mon Dec 1 14:51:27 2025 -0500

add max_snes_failures to TSView

commit 32d3e79f6fa743930b1bbf32d03b9181b5b5418a
Author: Barry Smith <bsmith@petsc.dev>
Fix wrongly named options and add to TSView

Wrong name for options database key -ts_max_reject should be -ts_max_step_rejections!

Add max_reject value to TSView

Add max_snes_failures to TSView

Add initial timestep to TSView

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Merge branch 'barry/2025-07-30/fix-matshellsetoperationarg' into 'main'

Complete usage of PetscVoidFn and PetscErrorCodeFn and introduce PetscFortranCallbackFn

See merge request petsc/petsc!8615

Change use of void (*)(void) and void (**)(void) in the PETSc API to PetscVoidFn * and PetscVoidFn ** or PetscErrorCodeFn * or PetscErrorCodeFn **

Merge branch 'danofinn/ts-add-avg-dg' into 'main'

TSDiscgrad: Adding average DG and -ts_discgrad_type option; Swarm: Changes to field swarm field functions

See merge request petsc/petsc!7920

TSDiscgrad: Adding average DG and -ts_discgrad_type option
- Also fixed automatic particle number determination

FOO

Merge branch 'barry/2025-05-15/fix-func-typedef-names' into 'main'

All typedef for functions are of the form (XXXXFn)(...) not (*XXXXyyyy)(....)

See merge request petsc/petsc!8408

Fix PetscProbFunc

Merge remote-tracking branch 'origin/release'

Merge branch 'jolivet/fix-typos' into 'release'

Fix typos

See merge request petsc/petsc!8259

Fix typos

Merge branch 'knepley/feature-ex2-fft' into 'main'

TS Hamiltonian ex2 improvements

See merge request petsc/petsc!8197

TS Hamiltonian ex2: Lots of monitoring
- Add cell velocity distribution monitor
- Add Fourier Transform monitor
- Fix output file names
- Add field energy calculation
- Add field averaging

Merge branch 'knepley/feature-embedded-manifold' into 'main'

Plex+PetscFE: Fixes to allow embedded manifolds

See merge request petsc/petsc!8141

Plex+PetscFE: Fixes to allow embedded manifolds
- Add PetscFEGeomMode to describe geometry
- Reorganized PetscFEGeom
- PetscFEGeomCreate(), DMFieldCreateFEGeom() and DMSNESGetFEGeom() now take the Pe

Plex+PetscFE: Fixes to allow embedded manifolds
- Add PetscFEGeomMode to describe geometry
- Reorganized PetscFEGeom
- PetscFEGeomCreate(), DMFieldCreateFEGeom() and DMSNESGetFEGeom() now take the PetscFEGeomMode
- J and invJ have dE dimensions
- f1, g1, g2, g3 have dE dimensions
- FIX the dim argument of all point function is really dE because it is used to index the gradients
- Clarified behavior of PetscFEGeomGetCellPoint()
- Now -dm_plex_coordinate_dim can change the coordinate dimension of a mesh created by Plex
- Implicit cell geometry must be used when dim != cdim

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Merge branch 'knepley/feature-weighted-histogram' into 'main'

Draw: Add weights to histogram values

See merge request petsc/petsc!8129

Hamiltonian ex2: Fixed histograms of initial conditions

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

TS Hamiltonian ex2: Fixed 1D mixed EM

See merge request petsc/petsc!8069

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

Merge branch 'knepley/feature-swarm-remap' into 'main'

Swarm: Adding remapping

See merge request petsc/petsc!8059

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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Merge branch 'knepley/feature-swarm-remap' into 'main'

Knepley/feature swarm remap

See merge request petsc/petsc!8054

TS Hamiltonian ex2: Add projection remapping