Merge branch 'barry/fix-fortran-interfaces-matsetvalues'

Add multiple Fortran interface definitions for MatSetValuesXXX() and VecSetValuesXXX()

Tested against PFlotran.
This is needed because Fortran requires seperate interface definitions if the argument

Add multiple Fortran interface definitions for MatSetValuesXXX() and VecSetValuesXXX()

Tested against PFlotran.
This is needed because Fortran requires seperate interface definitions if the argument is a
scalar or an array of size 1.

Funded-by: IDEAS
Project: IDEAS/xSDK
Time: 6 hours

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Merge branch 'master' into stefano_zampini/feature-pcbddc-saddlepoint

This is needed to deal with some changes in MatNullSpace from commit 9d2471e

Merge remote-tracking branch 'origin/maint'

doc: fix manpage for MatSetValuesLocal
Reported-by: murat keçeli <keceli@gmail.com>

fix typos in manual pages

Reported-by: Peter J. Puchyr <pjpuchyr@gmail.com>

Merge branch 'master' into tisaac/dmplex-feature-real-to-ref

I need updated PetscFE interfaces in what I'm going to do

* master: (603 commits)
parmetis: fix typo in testsuite
Added PETSC_HAVE_A

Merge branch 'master' into tisaac/dmplex-feature-real-to-ref

I need updated PetscFE interfaces in what I'm going to do

* master: (603 commits)
parmetis: fix typo in testsuite
Added PETSC_HAVE_ATTRIBUTEALIGNED flag to makefile
PCSetUp_SVD() used incorrect matrix for matrix size in parallel, also need to skip LAPACK call if matrix size is zero
strumpack: update to latest version 1.0.4
Remove valgrind warning about MPI_Allreduce() with uninitialized data
sed for test output that has atol convergence with quad precision
updated ex1_nest tests
fixed incorrect key value
fix: bad merge a69d34a
test: move runex78 to TESTEXAMPLES_C_NOTSINGLE
build: fix warnings
sys: update test to produce same result - irrespective of debug/opt build - and presence of ~/.petscrc
sys: src/sys/examples/tests/ex30.c -> src/sys/examples/tests/ex32.c to avoid conflict in master
Sed output, since quad precision reduces below atol on these tests
remove automatically generated matrix names from test output files since can be different
Fixes for MatMPIXXXSetPreallocation(), they were not reentrant, since they kept the information used for matrix-vector products
GAMG: fix PCView_GAMG() format - and update output/ex56_0.out
superlu_dist: 64-bit-indices fix https://github.com/xiaoyeli/superlu_dist/issues/4
Add SNESSetDivergenceTolerance / -snes_divergence_tolerance.
fixed unit read in Plex
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Added ISLocalToGlobalMappingDuplicate

if refcnt > 0 we cannot change the block size of the l2gmap in-place

MatSetBlockSizes: create new layouts if they are referenced from other objects

MatSetBlockSize: avoid duplicated code, use MatSetBlockSizes(M,bs,bs)

Merge branch 'barry/improve-matnullspace-usage'

Merge branch 'stefano_zampini/feature-convert-matnest-matis' into stefano_zampini/feature-pcbddc-saddlepoint

I have to merge it here, since there's an API addition for MatIS in stefano_zampini/featu

Merge branch 'stefano_zampini/feature-convert-matnest-matis' into stefano_zampini/feature-pcbddc-saddlepoint

I have to merge it here, since there's an API addition for MatIS in stefano_zampini/feature-pcbddc-saddlepoint
that prevents me to smoothly merge stefano_zampini/feature-convert-matnest-matis into next.

This will also facilitate merging stefano_zampini/feature-pcbddc-saddlepoint into master

Conflicts:
src/docs/website/documentation/changes/dev.html

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Mat: MatSetBlockSizes as a MATOP.

it allows to change the block sizes at a later stage.
For the block formats, the default op raise an error if the user tries to change them

MAT: introduce setlateblocksize function that allows to change the block size after matrix setup

Enhancements for KSP solve with singular matrices

update KSPSolveTranspose() to utilize the nullspaces attached to the matrix with MatNullSpaceSet()
add test examples that utilizes the singular matr

Enhancements for KSP solve with singular matrices

update KSPSolveTranspose() to utilize the nullspaces attached to the matrix with MatNullSpaceSet()
add test examples that utilizes the singular matrices nullspaces for KSPSolve() and KSPSolveTranspose() with
right and left preconditioning.
Lock vectors in MatNullSpaceCreate() so user doesn't accidently change them when they should not
Add details to KSPSolve() manual page for singular systems.

Thanks-to: Fande Kong <fande.kong@inl.gov>

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Merge branch 'knepley/feature-configure-eigen-pragmatic' into knepley/feature-plex-pragmatic-parallel

* knepley/feature-configure-eigen-pragmatic: (40 commits)
Configure: Added Eigen dependence fo

Merge branch 'knepley/feature-configure-eigen-pragmatic' into knepley/feature-plex-pragmatic-parallel

* knepley/feature-configure-eigen-pragmatic: (40 commits)
Configure: Added Eigen dependence for Pragmatic and bumped SHA1
Configure: Added Eigen3
Bib: Fixed brace
Docs: acknowl.tex - add link to github history for recent contributors, as on (currently redundant) https://www.mcs.anl.gov/petsc/miscellaneous/acknwldg.html
Docs: manual - update int-->PetscInt, double-->PetscReal where needed, and related changes.
Docs: manual part 2 - update to DMDA_STENCIL_XXX and DMBoundaryType
Docs: Manual part 2 - move sections and remove TODOs
KSP: man page formatting fixes for CGLS and TSIRM
KSP: update -log_summary --> -log_view in tutorial example comments
MatSetUp man page: typo fix
PC types man page: comment update
Docs: Manual - Part 2 update
Docs: manualpreamble listing fix
Docs: manual preamble: add breakonwhitespace to listings options
Docs: mapnameslatex.py - note and debugging line for convenience
Docs: mapnameslatex.py - ignore makelisting
Docs: add a modified version of \lstinline which uses pipes as delimiters, allowing usage within tables in the manual
Docs: Manual acknowledgements update
Docs: mapnameslatex.py - add bracketing for tikzpicture environments
petsc.bib: add Paige and Saunders 75
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Merged in psanan/petsc-docproject/psanan/manual-cleanup (pull request #574)

Docs: Manual Cleanup

MatSetUp man page: typo fix

First attempt to allow changing the block size of a matrix (and any associated l2gmap)

remove incorrect information in some manual pages, add more links to MatTransposeColoring() manual pages

Merge branch 'maint'

remove dead Adifor code

Time: .1 hours
Reported-by: Sebastien Gilles <sebastien.gilles@inria.fr>

typo MUSAT should be MUST, describing v as "logically 2 dimensional" makes sense only for block rows but that's not made clear
Time: 0 hours
Reported-by: Peter J. Puchyr <pjpuchyr@gmail.com>

Merge branch 'barry/get-factor-failure-information-from-mat'

Merge branch 'pr543/alexfikl/alexfikl/matnest-transpose/master'

Added MatFactorGetErrorZeroPivot()

Time: 2 hours
Reported-by: Glenn E Hammond <gehammo@sandia.gov>