Remove all double blank lines from source

Commit-type: petsc-style
/2h

Merge branch 'jczhang/fix-fortran-object-reinit' into 'main'

Fortran: re-init destroyed petsc objects so that they are different from null objects

See merge request petsc/petsc!3786

Fortran: re-init destroyed petsc objects so that they are different from null objects

Reported-by: Jose E. Roman <jroman@dsic.upv.es>

Merge branch 'jczhang/sf-change-api' into 'main'

Change some SF APIs mentioned in the ECP paper

See merge request petsc/petsc!3659

SF: add an MPI_Op argument to SFBcast

Merge remote-tracking branch 'origin/release'

Merge branch 'bourdin/fixviewersfortran' into 'release'

petscviewer: fix the fortran bindings of XXXViewFromOptions when called with obj=PETSC_NULL_XXX

See merge request petsc/petsc!3632

petscviewer: fix the fortran bindings of XXXViewFromOptions when called with obj=PETSC_NULL_XXX

Merge remote-tracking branch 'origin/release' into master

Merge branch 'jczhang/fix-fortran-stub-errcode' into 'release'

Fix PetscErrorCode typos in Fortran stubs

See merge request petsc/petsc!3405

Fix PetscErrorCode typos in Fortran stubs

Merge remote-tracking branch 'origin/maint'

Merge branch 'balay/fix-xl-runs/maint' into 'maint'

xlf fixes

See merge request petsc/petsc!2595

xlf fixes
- add HAVE_F90_ASSUMED_TYPE_NOT_PTR for xlf
- update PetscSFBcastBegin()/PetscSFBcastEnd() fortran interface to use F90_ASSUMED_TYPE_NOT_PTR [ref: src/vec/is/sf/examples/tutorials/ex1f.F90]

xlf fixes
- add HAVE_F90_ASSUMED_TYPE_NOT_PTR for xlf
- update PetscSFBcastBegin()/PetscSFBcastEnd() fortran interface to use F90_ASSUMED_TYPE_NOT_PTR [ref: src/vec/is/sf/examples/tutorials/ex1f.F90]
- fix write format diffs
- fix F2003 requirement

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Merge branch 'balay/remove-stdcall' into 'master'

Remove usage of PETSC_HAVE_FORTRAN_STDCALL, PETSC_BLASLAPACK_STDCALL,...

See merge request petsc/petsc!2546

Remove usage of PETSC_HAVE_FORTRAN_STDCALL, PETSC_BLASLAPACK_STDCALL, HAVE_FORTRAN_MIXED_STR_ARG flags - as Compaq f90 compiler is no longer supported

Merge branch 'mark/fix-viewfromoptions' into 'master'

prototype for ViewFromOptions macro-->functions

See merge request petsc/petsc!2083

prototype for ViewFromOptions macro-->functions

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/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
...

Conflicts:
src/snes/examples/tutorials/ex13.c

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Merge branch 'barry/tao-to-new-test-harness' into barry/all-new-test-harness-branches

Merge branch 'master' into knepley/feature-plex-adjoint-prelim

* master: (251 commits)
yaml: add a backup download URL
Fix documentation of MatSetRandom function
Ignore -malloc-hbw option if m

Merge branch 'master' into knepley/feature-plex-adjoint-prelim

* master: (251 commits)
yaml: add a backup download URL
Fix documentation of MatSetRandom function
Ignore -malloc-hbw option if malloc is already set
Plex: Fixed array initialization
pgi: compile fix
knl: update test to use memkind and remove option that worked arround a bug with intel 17
Check the return value for memkind_posix_memalign
Change the default behavour for -malloc_hbw
Bib: More refs
test: remove runex13f90 as its now converted to new test suite
fix win32 crash. This test was previously run with '-n 4' - so restoring it
Fix petscsfgetgraph_ to work for all Fortran compilers by directly using array of PetscSFNodes
bugfix for MatDuplicate_MPIAIJ_PtAP Reported-by: Samuel Lanthaler <s.lanthaler@gmail.com>
strip out dead sundials usage code; change sundials test to only run 5 timesteps to prevent different number of steps on different systems.
Remove extra lines of output file
Example uses C99 constructs so must mark with requires: c99
fix const missmatch for DMDAVecRestoreArrayRead()
remove conflict between function name in example and new PETSc TS function
builds: attempt to do maint/master/next test builds in separate clones
ex62: it turned out that CHACO partioning is not deterministic. Use a prescribed partition instead
...

Conflicts:
src/dm/interface/dm.c
src/snes/examples/tutorials/ex13.c

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Merge remote-tracking branch 'origin/barry/fortran-PetscSFBcastBegin'

pgi: compile fix

Fix petscsfgetgraph_ to work for all Fortran compilers by directly using array of PetscSFNodes

Commit-type: bug-fix, portability-fix, testing-fix
Reported-by: nightly tests