fix redundant setting il[0]=0 for MatCholeskyFactorNumeric_SeqSBAIJ_bs

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 barral/feature-dmplex-adapt

Merge branch 'jose/maint/tabs-print-class' into maint

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

* master: (59 commits)
Increase patchlevel to 3.7.1
Fix manual page for MatGetTransposeNullSpace()
remove unneeded use of PetscCon

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

* master: (59 commits)
Increase patchlevel to 3.7.1
Fix manual page for MatGetTransposeNullSpace()
remove unneeded use of PetscContainer to hold iscoloring in SNESComputeNGSDefaultSecant()
added SNESView for ngs, added options database to ngs manual page, removed dead routine
gcov: enable in mpiuni test
incorrect capitalization of an even name
force same number of iterations for output of ml example
changed output for ml example to not be machine dependent
DMP4est: access data after setup
SNESLineSearch_Apply was labeled with PETSC_EXTERN in one place but when declared this was not visible hence library build failed under Microsoft.
Example had print statements of complex numbers
Fix more errors in agmres for 64 bit integers
builds: fix nampespase conflict with 'analyzer-buid' and checkBuilds.py
gcov: add more packages to test
add a couple of KSP that were not represented in testing
gcov: enable more externalpackages for this test
fixes for agmres for 64 bit indices, fix for findvisibleprivatefunctions to be portable for Mac and Linux
get GAMG to get null space (more)
fix c++ compile errors
Add test example for kacmarz preconditioner since gcov indicated there was NONE
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Merge branch 'master' of bitbucket.org:petsc/petsc into mark/gamg-nullspacefix

Merge branch 'barry/make-functions-static'

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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Updated script for detecting visible symbols

Removed unneeded visibility of some symbols
Fixed some namespacing
Removed the use of unneeded implementation includes in the TAO code

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 'hzhang/mkl_pardiso_matgetinertia'

bugfix of MatGetInertia_SeqSBAIJ() when matrix factor has errortype==MAT_FACTOR_NUMERIC_ZEROPIVOT
add tests for MatGetInertia()

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
src/ksp/pc/imp

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
src/ksp/pc/impls/bddc/bddcscalingbasic.c
src/ksp/pc/impls/bddc/bddcschurs.c
src/mat/impls/is/matis.c

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Merge branch 'master' into barry/add-pcfieldsplit-logevent

Merge branch 'tisaac/dmforest' of bitbucket.org:petsc/petsc into tisaac/dmforest

Merge branch 'master' into tisaac/dmforest

* master: (136 commits)
Make error message specific to exactly what matrix is supported
Prevent fblaslapack or f2cblaslapack from being compiled with t

Merge branch 'master' into tisaac/dmforest

* master: (136 commits)
Make error message specific to exactly what matrix is supported
Prevent fblaslapack or f2cblaslapack from being compiled with the -no-prec-dev Intel compiler option since it can produce incorrect results
Fix for PCReset_HYPRE to make it reentrant.
replace default superlu_dist '-mat_superlu_dist_colperm METIS_AT_PLUS_A' with MMD_ATA to avoid different random numbers for nightly tests
fixes for merge from maint patch
Added PCReset_HYPRE() so it may be used with SNESVI solvers
remove Microsoft compiler message for paste macros used for handling Blas/Lapack macro name mangling for example
Increase the number of PetscViewerPushFormat() possible to 25 and use a macro PETSCVIEWERFORMATPUSHESMAX for the value
Configure: Remove redundant logging
Bib: Added ref
nightlybuids: fix permissions of script
MatRegisterDestroy() does not exist but it is listed in manual pages
externalpackages-git: save local changes if any - in git stash - before 'git checkout -f' Useful incase --with-package-commit=HEAD option was msissing [perhaps due to a typo]
nightlybuilds: add xsdk builds
Add architectures for testing xsdk package downloads (Trilinos, Hypre, SuperLU)
create another version of TurnForward() for adaptive time stepping specifically
Configure: Give proper default if HOME is missing from the environment
fix abbreviation
allow zeropivot for MatSOR_SeqAIJ_Inode, node size=1
add test case using adpative time stepping for checkpointing type 'NONE'
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Merge branch 'master' into barry/add-pcreset-hypre-for-master

Needed to move PCDestroy_HYPRE() added to master to PCReset_HYPRE() since that was introduced
as a bug fix for maint

Merge branch 'master' into hongzh/add-checkpointing-support-for-adaptive-ts

Merge branch 'hzhang/inode-erroriffpe'

optimize by moving allowzeropivot = PetscNot(A->erroriffailure) out of loop

allow zeropivot PetscKernel_A_gets_inverse_A()

replace !PetscBool with PetscNot(a)

add allowzeropivot and zeropivotdetected to PetscKernel_A_gets_inverse_A_#

Merge branch 'master' into tisaac/dmforest

* master: (177 commits)
DT ex3: The test should check the number of digits requested
DT ex3: One test fails in single precision
Plex: Do not automati

Merge branch 'master' into tisaac/dmforest

* master: (177 commits)
DT ex3: The test should check the number of digits requested
DT ex3: One test fails in single precision
Plex: Do not automatically create a default section if no fields are defined
Plex: DMPlexCopyCoordinates() needs to create the coordinate section if it is missing
superlu: no longer requires xerbla slamch dlamch ?
superlu: update to v5.1
skip MatSolve() if matrix factorization fails
replacing SETERRQ with error output info and continue execution
SNES ex12: Added parallel tests - These test parallel, unstructured interpolation/restriction using FAS
Plex+SNES: Now in DMPlexComputeJacobian_Internal(), we also form the Jacobian preconditioner matrix
FE: Now we can form either the Jacobian or the Jacobian preconditioned matrix using a flag
DS: Now have point wise function slots for the Jacobian preconditioned matrix - This will allow us to form the "right" operator for preconditioning, like M in the (2,2) block for Stokes
Plex: When swapping Plexes, also swap point SF
Plex: Fix parallel error in Injector
Mat+Plex: Added MatPreallocator which can be called with MatSetValues() and preallocates another Mat - This could have been another "mode" of Mat, but I thought this was cleaner - Use MatPreallocator to preallocator Plex interpolators
DT ex3: Change tolerance and eliminate tests which need MPFR from regular runs
superlu: fix complex build
superlu: update to using 5.0 tarball with the fix for -Werror=format-security
superlu: update to use tarball with -Werror=format-security fix
DM: Clone the coordinate DM instead of reusing in Clone()
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Conflicts:
config/builder.py
src/dm/impls/plex/plexcreate.c

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Merge branch 'master' into hongzh/checkpointing

Manual merges for a couple of PetscOptions changes in master