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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Merge remote-tracking branch 'origin/mark/snes-ex56-b'

made threshold an array, fixed up ex56 convergence test (have a Plex/FEM bug)

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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PCBDDC: added coarse discrete gradient

still does not work properly

PCBDDC: added field specification to the API

Merge branch 'maint'

Added PCFactorGetZeroPivot(), PCFactorGetShiftType(), and PCFactorGetShiftAmount()

Time: .25 hours
Reported-by: Glenn E Hammond <gehammo@sandia.gov>

PCBDDC: added support for Nedelec elements using the discrete gradient

Merged in psanan/petsc/psanan/pc-asm-submat (pull request #531)

PCASM: Allow different submatrix types

PCASM: Allow different submatrix types

The implementation involves a call to MatConvert.

Note the new command line option, which allows things like
-pc_asm_sub_mat_type seqaijviennacl
-pc_asm_sub_m

PCASM: Allow different submatrix types

The implementation involves a call to MatConvert.

Note the new command line option, which allows things like
-pc_asm_sub_mat_type seqaijviennacl
-pc_asm_sub_mat_type aijviennacl
In the latter case, it is assumed that the sequential version of a base name
is intended.

A test is added in src/ksp/ksp/examples/tutorials, but not added to any sets of tests (in anticipation of future set of tests for viennacl-enabled configurations).

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Merge branch 'master' into barry/fix-successful-numerical-factorization-after-failure/master

The maint patch for the given problem cannot merge cleanly into next due to changes
in the same code in m

Merge branch 'master' into barry/fix-successful-numerical-factorization-after-failure/master

The maint patch for the given problem cannot merge cleanly into next due to changes
in the same code in master (the introduction of MatFactorGetError()) therefor need
to merge in master and use the new construct before merging to next

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Merge branch 'master' into psanan/pc-telescope-nearnullspace

fixed merge with master

Merge branch 'barry/extend-pcmg-galerkin'

Merge branch 'mark/fix-gamg-asm-aggs'

Merge branch 'barry/pcmgsetsmoothupdown-if-no-change'

PCBDDC: Added transpose flag to PCBDDCSetDivergenceMat

fixed a bug when BDDC is used outside of a KSP with dirichlet_trick enabled

PCMGSetGalerkin() and -pc_mg_galerkin now take PC_MG_GALERKIN_BOTH,PC_MG_GALERKIN_PMAT,PC_MG_GALERKIN_MAT, PC_MG_GALERKIN_NONE as arguments instead of PetscBool

This allows computing either mat, or

PCMGSetGalerkin() and -pc_mg_galerkin now take PC_MG_GALERKIN_BOTH,PC_MG_GALERKIN_PMAT,PC_MG_GALERKIN_MAT, PC_MG_GALERKIN_NONE as arguments instead of PetscBool

This allows computing either mat, or pmat or both via the Galerkin process

Time: 16 hours
Reported-by: domenico lahaye <domenico_lahaye@yahoo.com>
Thanks-to: Lawrence Mitchell <lawrence.mitchell@imperial.ac.uk>

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Added PCMGSetNumberSmooth() to complement PCMGSetNumberSmoothUp() and PCMGSetNumberSmoothDown()

Reported-by: Ed Bueler <elbueler@alaska.edu>

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

Conflicts:
src/docs/website/documentation/changes/dev.html
src/ksp/ksp/examples/tutorials/ex59.c
src/ksp/pc/impls/bddc/bddc.c

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

Conflicts:
src/docs/website/documentation/changes/dev.html
src/ksp/ksp/examples/tutorials/ex59.c
src/ksp/pc/impls/bddc/bddc.c
src/ksp/pc/impls/bddc/bddcfetidp.c
src/ksp/pc/impls/bddc/bddcprivate.c
src/ksp/pc/impls/bddc/bddcschurs.c
src/mat/impls/is/matis.c
src/mat/impls/is/matis.h

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added option for parallel coarse grid solve, without GAMG putting all on one proc

PCBDDC: use IS instead of ISLocalToGlobalMapping

PCBDDC: Added API for passing the matrix representation of the divergence operator

fixed some naming in GAMG and added material to some GAMG manual pages