Merge branch 'shri/ts-post-evaluate'

TSPostEvaluate: Support for setting a custom post evaluate function (Only added to TSRK for now)

TSPostEvaluate can be used for modifying the solution after the step evaluation. Having TSPostEvaluat

TSPostEvaluate: Support for setting a custom post evaluate function (Only added to TSRK for now)

TSPostEvaluate can be used for modifying the solution after the step evaluation. Having TSPostEvaluate enables
the user to solve DAEs with PETSc's explicit methods using a partitioned approach in which the differential
variables are updated by the time-stepping solver while the algebraic variables are updated through user
callbacks in TSPostStage() and TSPostEvaluate(). Another use of TSPostEvaluate is to modify the solution such as
via some filtering. Typically such filtering operations (from Emil) are done in TSPostStep(). However, TSEvent can
modify the solution if it detects an event thus making the action taken in TSPostStep() invalid. So, instead of
doing the filtering in TSPostStep(), the users should rather do it in TSPostEvaluate().

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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

Merge branch 'maint'

Merge branch 'hongzh/add-tstrajectory-monitor' into maint

Merge branch 'hongzh/add-tstrajectory-monitor' into barry/custom-vecscatter-view-fortran

add test examples for -ts_trajectory_monitor and fix mannual page

Merge branch 'master' into mark/snes-ex56

* master: (93 commits)
Web: Added a tutorial
typo
rename X -> U
sowing: update to version that creates manpage URLs for 'enum' types/values
Increa

Merge branch 'master' into mark/snes-ex56

* master: (93 commits)
Web: Added a tutorial
typo
rename X -> U
sowing: update to version that creates manpage URLs for 'enum' types/values
Increase patchlevel to 3.7.3
move runex3_3 to NOTSINGLE [ partial backport 9ed0bd76d5c329eb91401ebabfbd851446214e20 ]
DMPlex: local coordinate vector should be a sequential vector
DM: Name coordinate vectors in subdomain and restrict hooks
tests: disable a couple of TS examples from single precision tests
reduce TS ex12_2 output
fix PetscFormatRealArray() to cast PetscReal in print statement to double so works for __float128 precision
Vec: enable Fortran interfaces for VecGetLocalVectorRead and VecRestoreLocalVectorRead
Bib: Added refs
PCShell: man page fixes
update handling of latex in example code to use https
fix typo in isltog comment
test: Avoid conversion of object <-> function pointer type [-Wpedantic]
fortran: enable interface for VecGetLocalVector(), VecRestoreLocalVector()
update citation for cmz2016
PCBDDC: silent compilation warnings from nightlybuilds
...

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.

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Merge branch 'emil/rename-gl-to-glle'

add definition for TSTrajectorySetMonitor

TS: Changed TSGL to TSGLLE because TSGL is too general and we want to emphasize that TSGLLE is a type of GL with local error estimation.

Merge branch 'master' into tisaac/ts-ex11-amr

* master: (141 commits)
chombo: fix dirname in tarball and update to use snapshot with gcc-6.1 compile fix
petsc4py: fix tarball url [for arbitary c

Merge branch 'master' into tisaac/ts-ex11-amr

* master: (141 commits)
chombo: fix dirname in tarball and update to use snapshot with gcc-6.1 compile fix
petsc4py: fix tarball url [for arbitary commitid] - and dirname in tarball
Plex: Moved ReconstructGradients_Internal() and ApplyLimiter_Internal() to Plex from SNES
CUDA: Added external declaration for cuBLAS handle.
docs: fix reference to KSP_Create in parent commit
Add information on PETSC_EXTERN and PETSC_INTERN to developers manual
Plex: Symbol is shared between DM and SNES, so must be EXTERN
Plex: Remove unused variables
Configure: Fix check for spaces in PETSC_DIR
Plex: Updated examples to new DMPlexCreateBoxMesh()
sick of failure due to incorrect master branch
SNES ex12: Fixed unstructured GMG test
SNES ex12: Added another unstructured GMG test
petsc4py: use the snapshot with the fix for dmplex change
Examples that require Fortran to compile but were listed in tests that did not require Fortran
Plex ex19: Added DMSetFromOptions()
Plex: Store a flag indicating whether the boundary should change during remeshing - Set using -dm_plex_remesh_bd - Changed Remesh_Internal() signature
Always coarsen boundaries.
Plex: Fixed option name
Plex: Protect unused variables
...

Conflicts:
src/dm/impls/plex/makefile
src/snes/utils/dmplexsnes.c

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

Conflicts:
src/ksp/pc/impls/bddc/bddc.c
src/ksp/pc/impls/bddc/bddcprivate.c
src/mat/impls/aij/seq/mkl_pardiso/mkl_pardiso.c

Merge branch 'master' into pr478/knepley/feature-dmplex-adapt/master

* master:
Latest boost release seems to handle shared libraries on Mac properly so remove error message
Need to declare TSSSP

Merge branch 'master' into pr478/knepley/feature-dmplex-adapt/master

* master:
Latest boost release seems to handle shared libraries on Mac properly so remove error message
Need to declare TSSSPList as PETSC_EXTERN so users can add to the list
DMP4est: fix coarseEdge calculation in transfer_Point

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Merge branch 'maint'

Need to declare TSSSPList as PETSC_EXTERN so users can add to the list

Reported-by: Jeremy A Riousset <jeremy.riousset@eas.gatech.edu>

Merge branch 'master' into knepley/feature-parallel-mesh-load

* master: (180 commits)
Bib: Added ref
-random_view caused error because PetscRandomView() was not provided in PetscRandomCreate()

Merge branch 'master' into knepley/feature-parallel-mesh-load

* master: (180 commits)
Bib: Added ref
-random_view caused error because PetscRandomView() was not provided in PetscRandomCreate()
Update the xSDKTrilinos test message to use interactive session and ctest
gcc6: fix comple warnings with -Wmisleading-indentation
fix compile warning
bugfix for MatTransposeMatMultSymbolic_MPIAIJ_MPIAIJ_nonscalable()
minor formatting cleanup of gamg.c
add ml example to tutorials page for xsdk
bugfix of MatDuplicate for mpiaij matrix product Reported-by: Miorelli, Federico <Federico.Miorelli@cgg.com>
The deprecated -log_summary_exclude was still being used when it should have been -log_exclude
cpardiso: requires mkl_blacs so check for that. Also common code to detect MKL for both pardiso and cpardiso
cpardiso: fix segv and memory leaks
resume MatGetSubMatrix_SeqSBAIJ() because it cannot share routine with BAIJ due to cast
fix bad relative links
replace MatSeqBAIJSetPreallocation_SeqBAIJ with MatSeqBAIJSetPreallocation to skip this call when input mat is sbaij type
fix a variety of set but not used variables in examples detected by clang static analyzer
removed declared but not used variable
ANL Report formatting requires listing authors by affiliation
DMP4est: uncrustify
DMP4est: remove memset()
...

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

Conflicts:
src/ksp/pc/impls/bddc/bddc.c
src/ksp/pc/impls/bddc/bddcgraph.c
src/ksp/pc/impls/bddc/bddcprivate.c

Merge branch 'maint'

Merge branch 'dalcinl/tsbdf' into maint

Merge branch 'dalcinl/ts-2nd-order-systems' into maint

TSALPHA2: New implementation for second order systems

* Support for event detection.
* Support for time adaptivity based on approximating the local truncation
error using backward difference formu

TSALPHA2: New implementation for second order systems

* Support for event detection.
* Support for time adaptivity based on approximating the local truncation
error using backward difference formulas.
* Use an step-halving approach in the initial step to compute a consistent
initial state as well as approximating the local truncation error.

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TS: Add interface API for 2nd order systems

TS: Add BDF implementation