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

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Merge branch 'jczhang/fix-pr1022-optimize-vecscatter-with-memcpy_2' into jczhang/fix-pr1022-optimize-vecscatter-with-memcpy

Merged petsc/petsc into master

Merge branch 'mark/gamg-doc2' [PR #1054]

* mark/gamg-doc2:
Clearified web docs for GAMG coarsening

clearified web docs for GAMG coarsening

Merge branch 'mark/gamg-comment' [PR #1035]

* mark/gamg-comment:
Added comments explaining a performance regression in GAMG. Increased default fill-in.

added comment for perf bug

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

* master: (562 commits)
fix clang-analyzer warning
Developers manual never use system randomizers in PETSc and example source code.
missing

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

* master: (562 commits)
fix clang-analyzer warning
Developers manual never use system randomizers in PETSc and example source code.
missing CHKERRQ()
DT: Reverting the tgamma change broke MPFR - I guess we need a nightly build with it in
Add a test for ex21
Fix error in ex21
Add missing fortran interface that handles null objects
DMComposite: add missing guards
MatPreallocate: fix overpreallocation of local rows
style fixes
MatView_MPI_DA: do not print twice the class prefix
MatSetOperation: stash the original MatView_XXX in the viewnative function pointer
DMCreateInterpolation_DA gracefully error instead of catching FPE signals
MatIncreaseOverlap: preserve communicator of index sets
MatMPIAIJ: fix indentation and missing CHKERRQ
ISBuildTwoSided: remove tabs and fix style
Fix documentation
PetscViewerDraw: fix unininitialized warning from valgrind
MatConvert_SeqAIJ_SeqBAIJ: remove error for non square matrices and add MAT_REUSE_MATRIX case
Mat: MAT_INPLACE_MATRIX can be used for transposition with rectangular matrices
...

Conflicts:
src/dm/dt/interface/dtfe.c
src/dm/impls/plex/plex.c
src/dm/impls/plex/plexfem.c
src/snes/examples/tutorials/ex13.c
src/snes/examples/tutorials/ex62.c
src/snes/examples/tutorials/makefile
src/snes/examples/tutorials/output/ex62_18.out
src/snes/examples/tutorials/output/ex62_19.out
src/snes/examples/tutorials/output/ex62_20.out
src/snes/examples/tutorials/output/ex62_20_parmetis.out
src/snes/examples/tutorials/output/ex62_21.out
src/snes/examples/tutorials/output/ex62_22.out
src/snes/examples/tutorials/output/ex62_23.out
src/snes/examples/tutorials/output/ex62_24.out
src/snes/examples/tutorials/output/ex62_25.out
src/snes/examples/tutorials/output/ex62_26.out
src/snes/examples/tutorials/output/ex62_27.out
src/snes/examples/tutorials/output/ex62_28.out
src/snes/examples/tutorials/output/ex62_29.out
src/snes/examples/tutorials/output/ex62_2d_p3_1.out
src/snes/examples/tutorials/output/ex62_30.out
src/snes/examples/tutorials/output/ex62_31.out
src/snes/examples/tutorials/output/ex62_32.out
src/snes/examples/tutorials/output/ex62_33.out
src/snes/examples/tutorials/output/ex62_34.out
src/snes/examples/tutorials/output/ex62_35.out
src/snes/examples/tutorials/output/ex62_36.out
src/snes/examples/tutorials/output/ex62_pc_simple.out
src/snes/examples/tutorials/output/ex62_pc_simplec.out
src/snes/examples/tutorials/output/ex62_quad_q2p1_full.out
src/snes/examples/tutorials/output/ex62_quad_q2q1_full.out
src/snes/utils/dmplexsnes.c

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Merge branch 'master' into knepley/feature-error-logging

* master: (221 commits)
dashboard: count and list example compile failures like:
fix fix-pr879-jczhang-optimize-vecscatter-multi-copy
a

Merge branch 'master' into knepley/feature-error-logging

* master: (221 commits)
dashboard: count and list example compile failures like:
fix fix-pr879-jczhang-optimize-vecscatter-multi-copy
add manual page cross links for SNESLineSearchSetPostCheck() and related routines
fix help manual of MatCreateSubmatrices() Reported-by: Tim Steinhoff <kandanovian@gmail.com>
Add manual pages for PetscRealPart() and PetscImaginaryPart()
fix compile error with missing MPI_C_DOBULE_COMPLEX
fix typo Reported-by: Febrian Setianto <febrian.setianto@gmail.com>
plex tutorial ex5: updated test requirements
DMPlexLoad_HDF5_Xdmf_Internal: fix for complex PetscScalar.
DMPlexLoad_HDF5_Xdmf_Internal: fix for 64-bit PetscInt.
DMPlexBuildFromCellList_Internal: use DMPlexInvertCell_Internal (with PetscInt* arg)
petscviewer.h: removed notice which is no longer relevant
DMPlexCreateFromFile: document option
check only if PETSC_USE_DEBUG
DMPlexBuildFromCellList_Internal optionally inverts cells.
ex5: new test 4 with -compare without repartitioning
ex5: new test 3 using -compare
ex5: HDF5 write+read moved to separate function
ex5: option -format processed in ProcessOptions()
ex5: added missing hdf5 requirement
...

Conflicts:
include/petsclog.h

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Merge branch 'psanan/manpages-notes-newlines' [PR #932]

* psanan/manpages-notes-newlines:
A large number of man pages are improperly formatted because of the lack of a newline after "Notes:", "Fortr

Merge branch 'psanan/manpages-notes-newlines' [PR #932]

* psanan/manpages-notes-newlines:
A large number of man pages are improperly formatted because of the lack of a newline after "Notes:", "Fortran Notes:", or "Developer Notes:".
This batch adds those newlines, with 4 spaces of indentation afterwards.
The uniform indentation arguably makes the man pages a little less readable in the source itself,
but overall this hopefully has a large positive impact on the readability of the HTML pages.

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Man pages: add newlines after "Notes:"

This allows for proper formatting from sowing.

On OS X (using gsed, not the default BSD sed), from the PETSc root directory:

find src include -type f \(

Man pages: add newlines after "Notes:"

This allows for proper formatting from sowing.

On OS X (using gsed, not the default BSD sed), from the PETSc root directory:

find src include -type f \( -name "*.c" -or -name "*.h" -or -name "*.cxx" \) | xargs gsed -i 's/Notes\s*:\s*\(\w.*\)/Notes:\n \1/'

This adds a newline and 4 spaces whenever "Notes:" is followed by any "word" character, in any .c, .h, or .cxx file in src/ or include/

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Merge branch 'master' into knepley/feature-snes-ex13-spectral

* master: (2350 commits)
migrate warning fix from next-tmp
Revert "Remove dead code."
clarifying comment in the code
Remove dead

Merge branch 'master' into knepley/feature-snes-ex13-spectral

* master: (2350 commits)
migrate warning fix from next-tmp
Revert "Remove dead code."
clarifying comment in the code
Remove dead code.
Add JuMP citation
Copyedits and updates to developers manual
Add more protection to intrinsics
MPI: protect arguments in MPI macros
Add the missing conditionals for 64-bit build
Plex+VTK: Fix field type determination
Fix bug in name cleanup
Bib: Added ref
Plex+VTK: Fix field type determination
Plex: Updated test output - I am now hating this shit
forgot to save file after moving prototypes to petscsys.h
update Apple example project settings per Xcode
Two functions should actually be public, used, for example from Apple MacOS and iOS programs
includes should always be included relative to include directory
Apple removed old locations of docsets
SNES ex12: Updated test output
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Conflicts:
src/snes/examples/tutorials/ex13.c

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

* master: (33 commits)
cleanup very ugly PCGAMG manual page
minor clarifications for VecScatterCreate() manual page
gcov: PETSC_ARCH is requ

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

* master: (33 commits)
cleanup very ugly PCGAMG manual page
minor clarifications for VecScatterCreate() manual page
gcov: PETSC_ARCH is required onlyfor -run_gcov - and not for -merge_gcov [where it doesn't exist]
make clearer in help statements what --with-external-packages-dir is for.
Website: Added news entry for PETSc User Meeting 2018 on main page.
KSPGUESSPOD: exclude negative of zero eigenvalues from the energy computation
KSPGUESSFISCHER: use PetscInfo for KSP class
CUDA: Further test output fixes for mat_tests-ex2
Turn off elemental test for parmetis running since this does not work on batch systems.
3.8 Changes: KSPCHEBYSHEV
CUDA: Fixed most test errors due to MatMultTranspose*
KSPFGMRES: add KSP_NORM_NONE / PC_RIGHT as supported
KSPSetSupportedNorm man page: remove old note about default support for KSP_NORM_NONE
Dev manual: copyedit
DMPlexDistributeLabels: Propagate the output flag
cuda/cusp: update minimum supported versions of cuda to 7.5 and cusp to 0.5.0
cuda: remove configure option -with-cuda-arch. [use CUDAFLAGS instead]
projected gradient code fixed to obey recent convergence test changed
Merge conflicts resolved after rebase
norm update bug fixed in GPGC, test output reverted
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Merge remote-tracking branch 'origin/knepley/fix-snes-ex69' into tisaac/feature-dmfield

* origin/knepley/fix-snes-ex69: (311 commits)
PetscFECreateDefault: fix custom Fortran interface to use MPI_

Merge remote-tracking branch 'origin/knepley/fix-snes-ex69' into tisaac/feature-dmfield

* origin/knepley/fix-snes-ex69: (311 commits)
PetscFECreateDefault: fix custom Fortran interface to use MPI_Comm
SNES ex69: Updated test output
SNES ex69: Removed all mantle stuff and change fields to constants - Also use dsymutil for executables
SNES ex69: Removed special partition
SNES ex69: Fixed null space creation - Null space locks its vectors
PetscFE: PetscFECreateDefault() now takes MPI_Comm instead of DM
cleanup very ugly PCGAMG manual page
minor clarifications for VecScatterCreate() manual page
gcov: PETSC_ARCH is required onlyfor -run_gcov - and not for -merge_gcov [where it doesn't exist]
make clearer in help statements what --with-external-packages-dir is for.
Website: Added news entry for PETSc User Meeting 2018 on main page.
CUDA: Further test output fixes for mat_tests-ex2
Turn off elemental test for parmetis running since this does not work on batch systems.
3.8 Changes: KSPCHEBYSHEV
CUDA: Fixed most test errors due to MatMultTranspose*
website: update urls
website: fix Jason's name to match pic. Also add Todd's pic
Dev manual: copyedit
DMPlexDistributeLabels: Propagate the output flag
cuda/cusp: update minimum supported versions of cuda to 7.5 and cusp to 0.5.0
...

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cleanup very ugly PCGAMG manual page

Commit-type: documentation

Fixed indentation.

Commit-type: style-fix

Merge branch 'barry/feature-mg-post-smooth'

MG: Remove PCMGSetNumberSmoothUp and PCMGSetNumberSmoothDown

These special case options (for configuring one particular aspect of
the up and down smoothers separately) are subsumed by the more gener

MG: Remove PCMGSetNumberSmoothUp and PCMGSetNumberSmoothDown

These special case options (for configuring one particular aspect of
the up and down smoothers separately) are subsumed by the more general
PCMGSetDistinctSmoothUp.

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Merge branch 'barry/add-ftn-linfinity-conv-test' of bitbucket.org:petsc/petsc into barry/add-ftn-linfinity-conv-test

Merge branch 'eugenio' of https://github.com/eaulisa/petsc into eugenio

Merge branch 'maint' into eugenio

Merge branch 'master' into scott/ksp-ksp-tutorials

Merge branch 'master' of bitbucket.org:petsc/petsc

Merge branch 'maint'

Merge branch 'rmills/doc-fix-pcgamg-indent' into maint