Fix spelling errors in manpages and comments

Merge branch 'barry/2021-05-16/fix-double-lines' into 'main'

Fix typos in source

See merge request petsc/petsc!3984

Remove all double blank lines from source

Commit-type: petsc-style
/2h

Merge remote-tracking branch 'origin/release'

Merge branch 'hzhang/fix-matrestorerow' into 'release'

bugfix for MatRestoreRow_xxx()

See merge request petsc/petsc!3826

bugfix for MatRestoreRow_xxx()
Reported-by: Damian Marek <damian.marek@mail.utoronto.ca>

Merge branch 'barry/2021-03-16/mat-factor-get-can-use-ordering' into 'main'

Change MatFactorGetUseOrdering() to MatFactorGetCanUseOrdering()

See merge request petsc/petsc!3739

Introduce PCFactorSetDefaultOrdering_Factor() to allow each factorization package
to indicate its preferered ordering, which may be external (its own) or one of PETSc.

This also affects factorizatio

Introduce PCFactorSetDefaultOrdering_Factor() to allow each factorization package
to indicate its preferered ordering, which may be external (its own) or one of PETSc.

This also affects factorization like dense PETsc where the ordering passed in by PETSc is ignored and not needed.

Also fixed options for MUMPS and SuiteSparse where users needed to pass a particular options database option
to the package (MUMP or KLU) indicating they should use the PETSc provided ordering. Now if the PETSc provided ordering is provided
these packages automatically use them without need a special option. This simplifies ordering usage for external packages

Commit-type: optimization, bug-fix, testing-fix, style-fix
/spend 6h

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Change MatFactorGetUseOrdering() to MatFactorGetCanUseOrdering()

We need to distinquish whether the package can use an external ordering and if that is desirable (the internal ordering may be faster

Change MatFactorGetUseOrdering() to MatFactorGetCanUseOrdering()

We need to distinquish whether the package can use an external ordering and if that is desirable (the internal ordering may be faster).

Commit-type: style-fix
/spend 15m

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Merge branch 'jolivet/feature-nest-tile' into 'main'

Tiles in MatNest

See merge request petsc/petsc!3630

Add MatConjugate_[MPI|Seq][S]BAIJ()

Merge branch 'jolivet/feature-propagate-share' into 'master'

Propagate prefix name in PC[ASM|BJACOBI|GASM] and share factorizations in PCHPDDM

See merge request petsc/petsc!3608

Add MatPermute() for MATSEQ[S]BAIJ

Merge branch 'release'

Merge branch 'barry/2021-01-14/fix-int-overflow/release' into 'release'

Add error checks for integer overflow for MatSeqXAIJSetPreallocation when the user provides nnz[]

See merge request petsc/pet

Merge branch 'barry/2021-01-14/fix-int-overflow/release' into 'release'

Add error checks for integer overflow for MatSeqXAIJSetPreallocation when the user provides nnz[]

See merge request petsc/petsc!3562

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Add error checks for integer overflow for MatSeqXAIJSetPreallocation when the user provides nnz[]

Otherwise PetscMalloc() can produce error messages with requests to absurds amount of memory.

Impro

Add error checks for integer overflow for MatSeqXAIJSetPreallocation when the user provides nnz[]

Otherwise PetscMalloc() can produce error messages with requests to absurds amount of memory.

Improve the error message for PetscIntMultError() and other casting routines and add more seealso entries
to the manual pages.

Commit-type: error-checking
/spend 30m
Reported-by: Qin Lu <lu_qin_2000@yahoo.com>

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Merge branch 'barry/2020-10-08/fix-mpi-error-codes' into 'master'

Convert MPI error type to PETSc error with string message for all MPI calls

See merge request petsc/petsc!3326

Convert MPI error type to PETSc error with string message for all MPI calls

Now PETSc examples will ONLY return PETSc error codes and never MPI error codes directly so we can understand and post-pro

Convert MPI error type to PETSc error with string message for all MPI calls

Now PETSc examples will ONLY return PETSc error codes and never MPI error codes directly so we can understand and post-process their
errors better.

The test harness will now automatically retry tests that fail with MPI, this may help with Intel MPI that produces
seemingly random failures.

Commit-type: error-checking
/spend 30m

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Merge branch 'hzhang/mat-force-diagonals' into 'master'

Hzhang/mat force diagonals

See merge request petsc/petsc!3472

Add MatOption MAT_FORCE_DIAGONAL_ENTRIES; rm MAT_NEW_DIAGONALS
Reported-by: Nourgaliev, Robert Nr <nourgaliev1@llnl.gov>
implemented for C = At*B with aij for all the algorithms
implemented for C = A

Add MatOption MAT_FORCE_DIAGONAL_ENTRIES; rm MAT_NEW_DIAGONALS
Reported-by: Nourgaliev, Robert Nr <nourgaliev1@llnl.gov>
implemented for C = At*B with aij for all the algorithms
implemented for C = A*B with aij matrices

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Merge branch 'dalcinl/fix-null' into 'master'

Fix 0 -> NULL for pointers

See merge request petsc/petsc!3086

Mat: Replace 0 -> NULL for pointers

Merge branch 'barry/2020-06-23/pcfactor-no-ordering-external' into 'master'

Most external factorization packages do not use the ordering provided by...

See merge request petsc/petsc!2913

Most external factorization packages do not use the ordering provided by PETSc, therefor only provide it when needed.

Adds MatOrderingType external to indicate not to generate an ordering and use wh

Most external factorization packages do not use the ordering provided by PETSc, therefor only provide it when needed.

Adds MatOrderingType external to indicate not to generate an ordering and use what the package needs
Now -pc_view will not print the wrong PETSc ordering when the ordering is done externally

Saves some memory and compute time.

Commit-type: optimization
Time: 1.2 hours
Reported-by: Junchao Zhang <junchao.zhang@gmail.com>
Thanks-to: Stefano Zampini <stefano.zampini@gmail.com>

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Merge branch 'jose/scalapack' into 'master'

MATSCALAPACK: new Mat type that wraps a ScaLAPACK matrix

See merge request petsc/petsc!2858