checkbadSource (master) fixes

Merge remote-tracking branch 'origin/release'

checkbadSource: apply rules to *.cu *.cpp sources, and expand CHKERRQ check to CHKERR(Q|MPI|CUDA|CUBLAS|CUSPARSE)

Merge remote-tracking branch 'origin/release'

bug fix

Adding Cuda and Kokkos assembly. Added Device assembly to Landau operator. Added Kokkos test mat/ex5k.

Missing define in landaucu.cu

Remove deleted file from SOURCEH list

Fix warnings in NVIDIA compilers (formerly PGI): unreachable statement

Nvidia optimizations

integrating new Cuda kernels

merged Peng's optimizations and cleanup (has debugging code)

wip, adding SOA

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

fixed Kokkos bug with 64 int

Adams/plex noprealloc fix

Merge branch 'balay/fix-gcc-48' into 'master'

fix compiler error with gcc-4.8 & complex

See merge request petsc/petsc!3272

add some Info prints and let Kokkos use any sub size

clang-5 fixes

fix doc format

Fix typos, otherwise they fail or warn in compilation with complex

doc fixes

Merge branch 'stefanozampini/feature-vecgetsubcector-cuda' into 'master'

Stefanozampini/feature vecgetsubcector cuda

See merge request petsc/petsc!3170

Merge branch 'barry/2020-09-01/fix-with-log-zero' into 'master'

Clean up examples so they run correctly without warnings configured using...

See merge request petsc/petsc!3193

fixing hardwired constants that did not work for single precision

Clean up examples so they run correctly without warnings configured using --with-log=0 and --with-info=0

Make CI pipeline linux job build with these options

Commit-type: testing-fix, style-fix, mai

Clean up examples so they run correctly without warnings configured using --with-log=0 and --with-info=0

Make CI pipeline linux job build with these options

Commit-type: testing-fix, style-fix, maintainability
/spend 1h

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DMPLEXLANDAU: fix compiler warning

/home/zampins/Devel/petsc/src/ts/utils/dmplexlandau/plexland.c: In function ‘LandauFormJacobian_Internal’:
/home/zampins/Devel/petsc/src/ts/utils/dmplexlandau/plex

DMPLEXLANDAU: fix compiler warning

/home/zampins/Devel/petsc/src/ts/utils/dmplexlandau/plexland.c: In function ‘LandauFormJacobian_Internal’:
/home/zampins/Devel/petsc/src/ts/utils/dmplexlandau/plexland.c:149:34: warning: ‘refSpaceDer[1]’ may be used uninitialized in this function [-Wmaybe-uninitialized]
u_x[fOffset*dim+d] += invJ[qj * dim * dim + e*dim+d]*refSpaceDer[e];
^
/home/zampins/Devel/petsc/src/ts/utils/dmplexlandau/plexland.c:149:34: warning: ‘refSpaceDer[0]’ may be used uninitialized in this function [-Wmaybe-uninitialized]

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PETSC_VIEWER_ASCII_VTK: deprecate, encourage use of XML