Merging with Barry's refactor of PetscViewerGetSubComm

Merge branch 'barry/fix-petscviewer-attempt-2' into dmay/pcsemiredundant

Merge branch 'barry/fix-nonew-notcollective/maint' into jed/mat-assembly-perf

Jed this fucking 6+ month running thing in next that is not in master is a royal fucking pain in the ass and
an abuse of

Merge branch 'barry/fix-nonew-notcollective/maint' into jed/mat-assembly-perf

Jed this fucking 6+ month running thing in next that is not in master is a royal fucking pain in the ass and
an abuse of git. I think it is not justified to ever have anything in next for more than a few weeks at most.
Either take it out of next if it is broken or put it in master if it is not broken. Hanging around in next but
not master for ever is not a good policy.

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MatShift_MPI/SeqXAIJ() could hang if some processes had no entries on a process while others had entries
because some processes would attempt a parallel preallocation and the others would not.

Fixed

MatShift_MPI/SeqXAIJ() could hang if some processes had no entries on a process while others had entries
because some processes would attempt a parallel preallocation and the others would not.

Fixed by first checking if no preallocation was done, and if not doing. Otherwise preallocation is only done
if approprate by each process on the diagonal block portion of the matrix, thus not requiring all processes
that share the matrix to call the parallel preallocation routine

Reported-by: Patrick Lacasse <patrick.m.lacasse@gmail.com>

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Replaced PetscViewerASCIISynchronizedAllow() with PetscViewerASCIIPushSynchronized() PetscViewerASCIIPopSynchronized()

Merge branch 'matpartitioning-hierach' into pcgasm-increaseoverlap

Got an example ( /src/mat/examples/tests) from matpartitioning-hierach

Conflicts:
src/mat/impls/adj/mpi/mpiadj.c

merged PetscViewerGetSingleton() and PetscViewerGetSubcomm() into PetscViewerGetSubViewer()

Does not currently work, needs fixes to work correctly recursively

Merge branch 'mat-increaseoverlap' of ssh://bitbucket.org/Fande-Kong/petsc into pr332/master/Fande-Kong/mat-increaseoverlap-scalable

Merge remote-tracking branch 'petsc/jed/mat-assembly-perf' into matpartitioning-hierach

To make the interface PetscCommBuildTwoSided(MPI_Comm comm,PetscMPIInt count,MPI_Datatype dtype,PetscInt nto,c

Merge remote-tracking branch 'petsc/jed/mat-assembly-perf' into matpartitioning-hierach

To make the interface PetscCommBuildTwoSided(MPI_Comm comm,PetscMPIInt count,MPI_Datatype dtype,PetscInt nto,const PetscMPIInt *toranks,const void *todata,PetscInt *nfrom,PetscMPIInt **fromranks,void *fromdata) compatible with Jed's new changes.
DataType of 'nto' and 'nfrom' is changed to PetscMPIInt.

Conflicts:
include/petscsys.h
src/sys/utils/sorti.c
src/vec/vec/examples/tests/makefile

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Merge remote-tracking branch 'petsc/jed/mat-assembly-perf' into mat-increaseoverlap

To make the interface PetscCommBuildTwoSided(MPI_Comm comm,PetscMPIInt count,MPI_Datatype dtype,PetscInt nto,const

Merge remote-tracking branch 'petsc/jed/mat-assembly-perf' into mat-increaseoverlap

To make the interface PetscCommBuildTwoSided(MPI_Comm comm,PetscMPIInt count,MPI_Datatype dtype,PetscInt nto,const PetscMPIInt *toranks,const void *todata,PetscInt *nfrom,PetscMPIInt **fromranks,void *fromdata) compatible with Jed's new changes.
DataType of 'nto' and 'nfrom' changed to PetscMPIInt.

Conflicts:
include/petscsys.h
src/sys/utils/sorti.c
src/vec/vec/examples/tests/makefile

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Merge remote-tracking branch 'petsc/master' into matpartitioning-hierach

Merge remote-tracking branch 'petsc/master' into mat-increaseoverlap

Merge branch 'master' into knepley/feature-snes-deflation

* master: (32 commits)
MatGetSubmatrix() could hang when some processes thought the entire matrix as being selected and others did not.

Merge branch 'master' into knepley/feature-snes-deflation

* master: (32 commits)
MatGetSubmatrix() could hang when some processes thought the entire matrix as being selected and others did not.
PetscOptionsStringToScalar() and hence PetscOptionsScalarArray() did not work correctly for complex numbers with negative imaginary part
Have SNESCOMPOSITE honour -snes_max_fail for the number of inner solver failures it will tolerate.
fiat: add fallback url
added Stefano and Lisandro to PETSc authors list updated PETSc version number to 3.6 and year of publication to 2015 in the users manuals
deeper cleanup of matrix when the type is reset
need to call KSPSetFromOptions() after KSPSetOperators() so that command line null space is attached to correct matrix updated example output for null space not attached to KSP
Doc: Acknowledge Patrick
bugs in example that should never have gotten into next bug in code calling VecGetArray() on read only vector
doc: seperate -> separate
configure: help - prevent from printing duplcate sections - all PACAKGENAMEs should be CAPS
remove C99 code from example update output from example
updated list of PETSc enum objects that bfort will treat as native for generating Fortran stubs
-help would print the various -xxx_type values on multiple lines making a | grep -ksp_type (for example) not list all the possible options
fix memory leak as reported by the nightly tests
print help message for PetscOptionsGetViewer() the message is rather long
removed dead code about PETSc web server
removed unneeded custom XXXViewFromOptions() functions and updated to use PetscObject as second argument calling sequence
changed second argument of PetscObjectViewFromOptions() to PetscObject and all routines that use this routine
bugfix as reported by PETSc blame digest (next) 2015-05-25
...

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

bugs in example that should never have gotten into next
bug in code calling VecGetArray() on read only vector

Merge branch 'hzhang/fix-blame'

bugfix as reported by PETSc blame digest (next) 2015-05-25

Merge branch 'master' into knepley/solkx

* master: (6933 commits)
Bib: Added reference
Includegraph: Updated for compatibility with new folder layout.
Add SNESLineSearchReason to fortran inclu

Merge branch 'master' into knepley/solkx

* master: (6933 commits)
Bib: Added reference
Includegraph: Updated for compatibility with new folder layout.
Add SNESLineSearchReason to fortran includes Also truncate names to fit 32 char fortran limit
fix compile warnings /usr/home/balay/petsc.clone-2/src/vec/vec/interface/vector.c:1944: warning: division by zero in '1.0e+0 / 0.' /usr/home/balay/petsc.clone-2/src/ksp/ksp/interface/itfunc.c:508: warning: 'vec_rhs' may be used uninitialized in this function
updated output for new trust region initial size
initial size of the trust region is set as a percent of the norm of the initial guess, it should not be related to the initial norm of the function (which is kind of nuts).
The default bounds for SNESVISetVariableBounds() in the manual page were reversed from correct values
Bib: Added refs
Bib: Update MPICH webpage
Plex: Forgot to close file
removed nonexistent ex46f from makefile test rule
Revert "fixed bad merge into master"
fixed bad merge into master
fix memory leak in mkl_pardiso fix some formatting in mkl_pardiso code
mv runex111 from TESTEXAMPLES_C to TESTEXAMPLES_DATAFILESPATH
Mat+Doc: More Fortran docs
Plex ex3: Run tests with the correct number of field components
Bib: Added TetGen cite
parmetis: make sure 'ldd libparmetis.so' points to the correct libmetis.so that its linked with.
small fix as reported by the nightly test
...

Conflicts:
config/builder.py

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Merge branch 'master' into tisaac/dmforest

directory layout changed again: merging to switching branches back and forth
doesn't cause reconfigure to have a hard time

* master: (357 commits)
remov

Merge branch 'master' into tisaac/dmforest

directory layout changed again: merging to switching branches back and forth
doesn't cause reconfigure to have a hard time

* master: (357 commits)
removed nonexistent ex46f from makefile test rule
Revert "fixed bad merge into master"
fixed bad merge into master
fix memory leak in mkl_pardiso fix some formatting in mkl_pardiso code
mv runex111 from TESTEXAMPLES_C to TESTEXAMPLES_DATAFILESPATH
Mat+Doc: More Fortran docs
Bib: Added TetGen cite
parmetis: make sure 'ldd libparmetis.so' points to the correct libmetis.so that its linked with.
small fix as reported by the nightly test
add a test for MatPtAP()
small cleanup; add tests
cleanup MatPtAPSymbolic_MPIAIJ_MPIAIJ()
Fix nonzerostate tracking in all MATMPI types.
update location of test matrices in faq.html file
unused variable still declared
Fix for MatLoad_MPIDense() from sparsely stored matrix also fix for MatLoad_MPIDense_DenseInFile() when matrix has not had its local sizes preset by user
Preserve the B nonzerostate during disassembly.
TSEvent: Fix arch-mswin nightly errors due to declaring variables in the middle of a function.
Fix error in parallel loading of dense format matrix
removed KSPSetNullSpace() since mat already carries that information and having two locations for it is confusing, unnecessary and prone to error added MatSetTransposeNullSpace() for providing the null space of the transpose of the matrix and added support in KSPSolve() to remove this null space from the right handside of the linear system thus making the system consistent.
...

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Merge branch 'pr192/Fande-Kong/scalable-matincreaseoverlap/master' of https://bitbucket.org/petsc/petsc

Merged petsc/petsc into master

Merge branch 'master' into stefano_zampini/pcbddc-adaptive-selection

Conflicts:
src/ksp/pc/impls/bddc/bddcprivate.c
src/ksp/pc/impls/bddc/bddcscalingbasic.c
src/mat/impls/aij/mpi/mumps/mumps.c
s

Merge branch 'master' into stefano_zampini/pcbddc-adaptive-selection

Conflicts:
src/ksp/pc/impls/bddc/bddcprivate.c
src/ksp/pc/impls/bddc/bddcscalingbasic.c
src/mat/impls/aij/mpi/mumps/mumps.c
src/mat/impls/is/matis.h

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Merge branch 'master' into pr192/Fande-Kong/scalable-matincreaseoverlap/master

Needed to merge master to update to new calling sequence PetscCommBuildTwoSided

Merge branch 'tisaac/mat-get-submatrix-unordered'

Merge branch 'barry/fix-matload-uneven-rows'

Conflicts:
src/mat/examples/tests/makefile

Merge branch 'barry/optimize-matshift'