fixes for new PetscOptions.. API that are needed based on problems with nightly build

Merge branch 'jed/process-options-handler' into barry/petscoptions-object

Complete update to new PetscOptions interface

Begin renaming the PetscOptions objects for the future where PetscOptions will not be a singleton

fix for graphics example when -nox option is used

fix violations of PETSc style guide: Usage of SETERRQ and NULL

Split PetscViewerASCIISpinLock into three locks because it was used in nested functions leading to deadlock

Reported-by: Michele De Stefano <MStefano@slb.com>

Merge branch 'master' into barry/always-mark-floats

Needed to merge in master to resolve conflicts that will appear when this branch is merged with master

someone left a while (0) loop inside a test example thus producing a warning about unreachable code

Merged in dalcinl/petscdraw (pull request #370)

Merge branch 'barry/xml-nested-logging'

PetscDraw: Fix test examples drawing the colormap

PetscDraw: Various improvements

* Enhancements to PetscDrawLG/SP/HG/Bar
* Add PetscDrawCollectiveBegin/End() to handle X11 I/O errors in parallel
* Update test examples to run in parallel using PETS

PetscDraw: Various improvements

* Enhancements to PetscDrawLG/SP/HG/Bar
* Add PetscDrawCollectiveBegin/End() to handle X11 I/O errors in parallel
* Update test examples to run in parallel using PETSC_COMM_WORLD
* Enhancements to X11 PetscDraw implementation

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PetscDraw-TikZ: Implement PetscDrawSynchronizedClear()

Merge branch 'master' into barry/always-mark-floats

Insure all %g output floating point numbers have a decimal point in them
this is to make it easy to detect floating point processing in output for test purposes
provided new diff operation that

Insure all %g output floating point numbers have a decimal point in them
this is to make it easy to detect floating point processing in output for test purposes
provided new diff operation that treats all floating point numbers in output as equal

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remove resource leak with X due to missing XCloseDisplay()

Import capability of nested logging in PETSc using XML
Cleanup contributed source to match PETSc coding standards and style

Souce code contributed by Koos Huijssen <koos.huijssen@vortech.nl> and Chr

Import capability of nested logging in PETSc using XML
Cleanup contributed source to match PETSc coding standards and style

Souce code contributed by Koos Huijssen <koos.huijssen@vortech.nl> and Christiaan Klaij <C.Klaij@marin.nl>

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make the PetscRandom object used in GAMG to be a public object that can be controlled via the
options database.
This allows the same example to produce the same results with real and complex numbers

make the PetscRandom object used in GAMG to be a public object that can be controlled via the
options database.
This allows the same example to produce the same results with real and complex numbers by using the option
-pc_gamg_random_no_imaginary_part

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Merge branch 'mark/eigen-rand'

Merge branch 'jed/mat-assembly-perf' of bitbucket:petsc/petsc

VecAssembly and MatAssembly now use a scalable exchange pattern based on
PetscCommBuildTwoSided. This feature can be controlled with th

Merge branch 'jed/mat-assembly-perf' of bitbucket:petsc/petsc

VecAssembly and MatAssembly now use a scalable exchange pattern based on
PetscCommBuildTwoSided. This feature can be controlled with the options

-vec_assembly_bts 0 or 1 (default 0)
-matstash_bts 0 or 1 (default 0)

The rationale is that the new implementation with scalable data
structures can be slightly slower than the old version at small process
counts. The default here could be changed to depend on the process
count (leading to possibly-confusing scaling performance diagnostics) or
the implementation could learn to take a fast path.

* 'jed/mat-assembly-perf' of bitbucket:petsc/petsc: (49 commits)
MatStash: fix -Wsign-compare by using size_t for loop index when max is also size_t
Sys BuildTwoSided test: fix for non-POD std::complex
MatStash: cast to satisfy non-structural MPI type tag check
mpiuni: fix compile error /sandbox/petsc/petsc.clone-2/arch-linux-uni/lib/libpetsc.so: undefined reference to `MPI_Type_create_resized'
Vec: Silence compiler warning
Vec: fix typo in comment
Sys: fix C89 compiler warning
VecStash BTS: fix block stash InsertMode accounting
VecStash BTS: fix indexing bug counting sends to rank 0
MatStash BTS: fix memory leak on MAT_SUBSET_OFF_PROC_ENTRIES
VecAssemblyEnd_MPI_BTS: fix donotstash code path
VecAssemblyEnd_MPI_BTS: fix C++ conversion to InsertMode
Sys: fix datatypes test using MPI_Type_create_resized
MatStash BTS: work around lack of offsetof() for non-POD (std::complex)
MatAssembly: move check for InsertMode consistency into MatStashScatter impls
MatStash BTS: fix memory leak on reassembly with MAT_SUBSET_OFF_PROC_ENTRIES
MatStash BTS: small simplification to row ownership calculation
MatStash BTS: add MAT_SUBSET_OFF_PROC_ENTRIES, impl with neighbor-only comm
MatStash: initial BTS (BuildTwoSided) implementation
MatStash: add extension point for new BTS implementation
...

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made PetscViewerFlow routines non-static so that warning messages in user code
such as

/sandbox/petsc/petsc.clone-2/include/petscviewer.h:319:22: warning: argument type 'PetscInt *' (aka 'long *') d

made PetscViewerFlow routines non-static so that warning messages in user code
such as

/sandbox/petsc/petsc.clone-2/include/petscviewer.h:319:22: warning: argument type 'PetscInt *' (aka 'long *') doesn't match specified 'MPI' type tag that requires 'long long *' [-Wtype-safety]
ierr = MPI_Bcast(mcnt,1,MPIU_INT,0,comm);CHKERRQ(ierr);

would not occur.

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win32/draw: fix runtime error with src/dm/examples/tutorials/ex2

Merge branch 'knepley/feature-drand48-portable' into mark/eigen-rand

remove all calls to PetscRandomSetType() from examples so they default to portable
generator that generates the same numbers on all systems: PETSCRANDER48

Reported-by: Patrick Sanan <patrick.sanan@g

remove all calls to PetscRandomSetType() from examples so they default to portable
generator that generates the same numbers on all systems: PETSCRANDER48

Reported-by: Patrick Sanan <patrick.sanan@gmail.com>

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