PCFIELDSPLIT: minor fixes

fix for matrix free

added printing for MG grid complexity

C90 fixes

Generalise the exclude_subspace option of Vanka construction in PCPATCH to exclude_subspaces.

This is important if you have more than one constraint, e.g. MHD problems with
one multiplier enforcing

Generalise the exclude_subspace option of Vanka construction in PCPATCH to exclude_subspaces.

This is important if you have more than one constraint, e.g. MHD problems with
one multiplier enforcing solenoidality of the velocity and another enforcing
solenoidality of the magnetic field.

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Merge branch 'barry/fix-to-use-memcpy/maint' [PR #1155]

* barry/fix-to-use-memcpy/maint:
Fix incorrect size definition in manual page
Replace loop copy with PetscMemcpy() in DMDASetBlockFillsSparse_

Merge branch 'barry/fix-to-use-memcpy/maint' [PR #1155]

* barry/fix-to-use-memcpy/maint:
Fix incorrect size definition in manual page
Replace loop copy with PetscMemcpy() in DMDASetBlockFillsSparse_Private()

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Merge branch 'stefano_zampini/fix-pcksp-fetidp-maint' [PR #1145]

Merge branch 'stefano_zampini/fix-pcksp-fetidp-maint' into maint [PR #1145]

PCBDDC: fix error reported by jenkins

Fixed typo in my typo fix commit.

Fixed typo in PCPARMS manual page.

Reported-by: Richard Tran Mills <rmills@rmills.org>

Fixed typos in PCMG manual page.

Reported-by: Vendel Szeremi <vendel.szeremi@stfc.ac.uk>

PCBDDC: fix wrong usage of l2l IS when computing the quadrature weights of the no-net flux condition

PCBDDC: use relative energy for constraints to be retained

PCBDDC: propagate coarse matrix defaultvectype to coarse vectors

KSPFETIDP: added convergence quality test for the the subproblems in the saddlepoint case

KSPFETIDP: propagate CSR information if present in the saddle point case

PCIS: fix wrong setup of stiffness scaling

PCKSP: use KSPDestroy in PCReset_KSP

calling KSPReset is dangerous since the KSP can be set via PCKSPSetKSP
better off to destroy the object

Added reason checking in PCApplyTranspose_KSP

Merge branch 'barry/have-veccuda-to-have-cuda'

Change outdated HAVE_VECCUDA macro to simply HAVE_CUDA for clarity/ease of maintenance.

Commit-type: style-fix

Make MPI GAMG work with mpiaijcusparse matrices.

Note this doesn't require changes to GAMG code, just code that GAMG uses so they can handle the mpiaijcusparse subclass

Commit-type: feature
Reporte

Make MPI GAMG work with mpiaijcusparse matrices.

Note this doesn't require changes to GAMG code, just code that GAMG uses so they can handle the mpiaijcusparse subclass

Commit-type: feature
Reported-by: Brian Van Straalen <bvstraalen@lbl.gov>

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Merge branch 'barry/refactor-vecscatter-2'

Add to PCTFS manual page that it does not work for complex numbers

Commit-type: documentation

Changed VecScatterCreate() to take a communicator and return scatter as other first class PETSc objects do.
Changed old VecScatterCreate() to VecScatterCreateWithData()

Completed basic refactorizati

Changed VecScatterCreate() to take a communicator and return scatter as other first class PETSc objects do.
Changed old VecScatterCreate() to VecScatterCreateWithData()

Completed basic refactorization of VecScatter code, ready for new implementations to be added.

(There is still some code duplication between the VecScatter MPI1 and MPI3 code but it can be fixed at anytime without requiring changes to the VecScatter API.

Part 5 of a refactorization of VecScatter to be treated as a first class PETSc object

Commit-type: style-fix

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