Merge branch 'master' into knepley/feature-plex-parallel-submesh

* master: (2931 commits)
remove N in docs for SNESQN
replaced test tolerance with PETSC_SQRT_MACHINE_EPSILON
fortran: PetscComp

Merge branch 'master' into knepley/feature-plex-parallel-submesh

* master: (2931 commits)
remove N in docs for SNESQN
replaced test tolerance with PETSC_SQRT_MACHINE_EPSILON
fortran: PetscComplex type is missing from fortran
initialize variables so that static analyzer doesn't mistakenly think they are used uninitialized.
Move access of prefix until it is actually used
Remove DMDASplitComm2d(), used in one example that was not tested
Functions that do not return PetscErrorCode should not use PetscFunctionBegin/End paradgm
remove unneeded reassignment of same value
Missing CHKERRQ(); Mostly in Tao code
Remove clang static analyser warning about passing NULL variable to strncat()
missing newline in -ts_monitor_extreme
minor fixes for integer counters
Configure: Deal with '__func__' in C89 builds with newer Clang and GCC.
Jenkinsfile: Increased timeout for tests to 5 minutes.
3.9 changes: further clarify removal of -pc_factor_mat_solver_package
Options deprecations: add "PETSc" to inline warning
removing unused variable
MatShift support added to MATSUBMAT. Mimics MATSHELL functionality. Needed for matrix-free Hessians in TAO Newton-Line-Search methods.
Add -ts_monitor_extreme
Dev manual: add note on deprecating options database keys
...

Conflicts:
src/dm/impls/plex/examples/tests/ex4.c

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Merge branch 'master' into knepley/fix-plex-submesh-projection

* master: (425 commits)
remove N in docs for SNESQN
replaced test tolerance with PETSC_SQRT_MACHINE_EPSILON
fortran: PetscComplex

Merge branch 'master' into knepley/fix-plex-submesh-projection

* master: (425 commits)
remove N in docs for SNESQN
replaced test tolerance with PETSC_SQRT_MACHINE_EPSILON
fortran: PetscComplex type is missing from fortran
initialize variables so that static analyzer doesn't mistakenly think they are used uninitialized.
Move access of prefix until it is actually used
Remove DMDASplitComm2d(), used in one example that was not tested
Functions that do not return PetscErrorCode should not use PetscFunctionBegin/End paradgm
remove unneeded reassignment of same value
Missing CHKERRQ(); Mostly in Tao code
Remove clang static analyser warning about passing NULL variable to strncat()
missing newline in -ts_monitor_extreme
minor fixes for integer counters
Configure: Deal with '__func__' in C89 builds with newer Clang and GCC.
Jenkinsfile: Increased timeout for tests to 5 minutes.
3.9 changes: further clarify removal of -pc_factor_mat_solver_package
Options deprecations: add "PETSc" to inline warning
removing unused variable
MatShift support added to MATSUBMAT. Mimics MATSHELL functionality. Needed for matrix-free Hessians in TAO Newton-Line-Search methods.
Add -ts_monitor_extreme
Dev manual: add note on deprecating options database keys
...

Conflicts:
src/dm/impls/plex/examples/tests/ex4.c

show more ...

Merge branch 'master' into knepley/feature-pc-patch

* master: (226 commits)
fix bib
type in bibtex entry
copy edits to bibtex items
Hypre matrix: small fix
Hypre matrix: fixed compiler war

Merge branch 'master' into knepley/feature-pc-patch

* master: (226 commits)
fix bib
type in bibtex entry
copy edits to bibtex items
Hypre matrix: small fix
Hypre matrix: fixed compiler warnings
Plex: Fixed missing PetscRealPart() in partition balance.
Added MatZeroEntries_HYPRE
Removed outdated mention of cusp and thrust from installations instructions; remove cusp from example configurations
Remove another location where fshift was used with -1 to indicate handling of error condition which was never handled
Generate an immediate error, if requested, if CG detects indefinite PC or Mat
Remove hack of using special fshift value of -1 to indicate error handling, was broken for MatSOR_SeqAIJ and did nothing constructive in the other cases
Options: Fix sys_tests-ex6 to not print options
PetscOptionsDestroy: Add missing free() call
Configure: Pragmatic now requires Cxx11
Error check that the communicator in the IS matches that in the matrix otherwise ISAllGather() produces incorrect results.
Options: Code reorganization and faster option lookup
fix compile warning
Doc: Fixed manpage for PCFieldSplitSetSchurPre()
mpiuni: build somempifort.o after mpiuni.mod
Remove use of common block from MPIUNI code
...

Conflicts:
include/petscdm.h
include/petscpc.h
include/petscpctypes.h
src/dm/impls/plex/plexcreate.c
src/dm/impls/plex/plexdistribute.c
src/ksp/pc/impls/makefile
src/ksp/pc/interface/pcregis.c

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Merge branch 'master' into arcowie-rem/feature-error-logging

* master: (353 commits)
Configure: Pragmatic now requires Cxx11
fix compile warning
mpiuni: build somempifort.o after mpiuni.mod

Merge branch 'master' into arcowie-rem/feature-error-logging

* master: (353 commits)
Configure: Pragmatic now requires Cxx11
fix compile warning
mpiuni: build somempifort.o after mpiuni.mod
Remove use of common block from MPIUNI code
use was in wrong location
Fortran line extends past 72 char
Moved the rest of the PETSc common block variables over to petscsys module
tests: fix breakage due to cd93b0e13c6da70ee1e038f55989cf888bc1d1c5
Need to use petscsys to get PETSC_COMM_SELF defined in example
Mat ex23 and ex40: fix errors reported from nightly tests
Put declaration on too lines because otherwise it generates an error for truncated line
Move PETSC_COMM_WORLD and PETSC_COMM_SELF from common blocks to petscsys module
tests: fix requires - and create out files for seqaijmkl tests
KSP ex72: nested dissection is likely to be different between machines
cmake: downgrade to version 3.9 - as newer versions require cxx11 compiler [which is not universal]. However stick with version 3.11 on opensolaris
Mat ex23: fix memory leaks
Bib: Some new refs
KSP examples: add missing casts to double in printf
updated GAMG KSP tests
PetscRound() should be PetscRoundReal() in __fp16
...

Conflicts:
include/petsclog.h
src/sys/logging/plog.c
src/sys/logging/utils/eventlog.c

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Merge remote-tracking branch 'origin/stefano_zampini/feature-mataij-to-matis'

MatPartitioningND: add interface

Merge remote-tracking branch 'origin/stefano_zampini/feature-ptatin3d-support'

Merge remote-tracking branch 'origin/denera/lmvm-mat-and-pc'

reverting back to using shared MatSolve interface

Merge branch 'master' into denera/lmvm-mat-and-pc

Merge branch 'maint'

windows: fix compile warning

C:\cygwin64\home\petsc\PE9218~1.MAI\src\mat\INTERF~1\matrix.c(10680): warning C4113: 'void (__cdecl *)()' differs in parameter lists from 'void (__cdecl *)(void)'

Mat: added API to inquire congruency of Layouts

Fix a bug in MatDiagonalSet_MPIAIJ

Merge remote-tracking branch 'origin/maint'

MatSetOperation: don't fill the viewnative op if the view operation is the same

MatDuplicate: should Set the view operation only if set

reported by nightly tests

Merge branch 'master' into knepley/fix-plex-project-tests

* master: (477 commits)
Added correct report number for PETSc Developers Guide
Update PETSc Developers Guide title and final pages to ne

Merge branch 'master' into knepley/fix-plex-project-tests

* master: (477 commits)
Added correct report number for PETSc Developers Guide
Update PETSc Developers Guide title and final pages to new ANL style
Hash: Quick documentation fix
PetscBinaryViewerRead -> PetscViewerBinaryRead
cast in GAMG_HASH so that it works for PetscInt32 near PETSC_INT_MAX without overflow to negative numbers
Add link for DrMemory which may serve as an alternative to valgrind on Windows
Finish Gail's copyedits for developers manual.
openmpi: fix namespace conflict [with static build on ppc64le]
two pages of Gail's edits to developers guide
Another chapter of Gail's copyedits for the developers guide
Gail's copyedits on two more chapters of the developers guide
Fix more %d to %D in GAMG code. Fix code style in GAMG code
DMPlexVTK: vertices is int! need to use %d instead of %D
TS ex18: update outputs (reported by nightly tests)
Use %D in error messages for GAMG hash; fix style issues with GAMG hash
config: Update petsc4py git commit
Fix bad plain extern declaration.
Add Gail's copyedits for the initial portion of the developers guide
Add missing common block to subroutine
fix mpiuni tests with xl compilers
...

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MatCreateSubMatrix: propagate symmetry information for diagonal blocks

Mat: row null space is equal to column null space for symmetric matrices

update outputs

Merge branch 'hzhang/mumps-spRHS'

MatNorm: added default implementation for NORM_1 and NORM_INFINITY

MatDuplicate: propagate MatView_XXX to duplicated matrix

Mat: move test for factortype after possible return for zero sized matrices

Merge branch 'master' into knepley/feature-pc-patch

* master: (107 commits)
cast in GAMG_HASH so that it works for PetscInt32 near PETSC_INT_MAX without overflow to negative numbers
Add link for

Merge branch 'master' into knepley/feature-pc-patch

* master: (107 commits)
cast in GAMG_HASH so that it works for PetscInt32 near PETSC_INT_MAX without overflow to negative numbers
Add link for DrMemory which may serve as an alternative to valgrind on Windows
Finish Gail's copyedits for developers manual.
openmpi: fix namespace conflict [with static build on ppc64le]
two pages of Gail's edits to developers guide
Another chapter of Gail's copyedits for the developers guide
Gail's copyedits on two more chapters of the developers guide
Fix more %d to %D in GAMG code. Fix code style in GAMG code
DMPlexVTK: vertices is int! need to use %d instead of %D
TS ex18: update outputs (reported by nightly tests)
Use %D in error messages for GAMG hash; fix style issues with GAMG hash
config: Update petsc4py git commit
Fix bad plain extern declaration.
Add Gail's copyedits for the initial portion of the developers guide
Add missing common block to subroutine
fix mpiuni tests with xl compilers
Copy & paste the change on PetscSparseDensePlusDot
Fix a wrong macro
PetscInfo: Add missing errorchecking
Log: various fixes and cleanups
...

Conflicts:
src/dm/impls/plex/plex.c

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BFGS and DFP curvature condition check on updates