removed unneeded and illegal fact temp variables

Hg-commit: b0e3cddac8ff386121e3367e72d44fe7a0d69ec3

call MatGetFactor() from MatFactorGetSolverPackage() to enable user set procedural options for external direct solvers
rename MatMumpsSetIcntl() to MatSetMumpsIcntl()

Hg-commit: c69e747aa4639aaeccec

call MatGetFactor() from MatFactorGetSolverPackage() to enable user set procedural options for external direct solvers
rename MatMumpsSetIcntl() to MatSetMumpsIcntl()

Hg-commit: c69e747aa4639aaeccec3b85fa7839fc82edbd0d

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Implement reduced factorizations D, LD, DU, LDU for PCFieldSplit/Schur

Hg-commit: 8c53b97172c2bbbfd2ef0c3318976db8c5d6b15d

removed many unused variables
small amount of reformating
added use of all arguments in MPIUNI call to prevent complaints about unused values

Hg-commit: f1e85e77153d4207c8ab2522ae8e9ec72b7358ec

fieldsplit: close splitname leak

Hg-commit: d4326b41c172e055b518874d38a9d27d8347b3e9

Finally fixed ML

Hg-commit: a9fb6da56033f52b8dc6886316032032f3432557

Merge

Hg-commit: 6addaa37d59f2b7c368804ac1de01b736713cb1f

Fixed MatMultAdd() in ML

Hg-commit: 37cc00fbb62c7bb5a8798e59b722e067d4d90be4

fixed Eisenstat preconditioner to NOT use same vector for both arguments to MatSOR()

Hg-commit: 3b6f7be62d1494ea394657d3405c5d96dc506ed4

changed many VecGetArray() to VecGetArrayRead()

Hg-commit: d7f64a5632750c1ca905eea86db48747b7367a8a

commit after merge

Hg-commit: b8ceb50b98ab67bf8cb250cdd95a4dda3c00f489

fixed amsoptions.java to use default localhost
amsoptions code now handles all options and snes ex19 runs to completion
still some glitches, cannot handle changing type.

Hg-commit: 3a2988280069fa75d

fixed amsoptions.java to use default localhost
amsoptions code now handles all options and snes ex19 runs to completion
still some glitches, cannot handle changing type.

Hg-commit: 3a2988280069fa75d8bacfad2ac6478e41eb2d3d

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PCASMSetTotalSubdomains_ASM: prototype may as well match PCASMSetTotalSubdomains

Hg-commit: 78c71b6654af44f1abf89abd4c1ca6132d20e1e3

asm: VecSet -> VecZeroEntries

Hg-commit: 927e7cb3b6d73bd2a9daace953734152dd328b03

PCASMCreateSubdomains2D: provide both overlapping and nonoverlapping index sets (is and is_local)

* Indicate user-specified overlap with osm->overlap == -1
* Clean up documentation and reporting of

PCASMCreateSubdomains2D: provide both overlapping and nonoverlapping index sets (is and is_local)

* Indicate user-specified overlap with osm->overlap == -1
* Clean up documentation and reporting of overlap for user-specified overlap
* Don't increase overlap for user-specified subdomains

Hg-commit: e331897b281528e947bf569a03879dee1bdcfe5d

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changed PCILU to automatically switch to MAT_SHIFT_INBLOCKS for block matrices since they do not support nonzero shift.

Hg-commit: 37e323e1d2fdb97f8b6f379ca0d46554880d4efe

clarify why something is a macro MatSeqXAIJReallocateAIJ
make ILU shift default to shift nonzero NOT shift in block

Hg-commit: caed971d3165d970d5d268727e8913640ff687c4

fixed MATORDERING_xxx I missed when I dropped the _ from various XXXType names

Hg-commit: e51d3588701d8722510e4edb04d52e907153c627

fixed XXXType #define names that had underscores in them such as MAT_SOLVER_SUPERLU MATORDERING_ND or PETSC_VIEWER_ASCII to not have _ also updated style guide to clearly indicate this.

Hg-commit: 9

fixed XXXType #define names that had underscores in them such as MAT_SOLVER_SUPERLU MATORDERING_ND or PETSC_VIEWER_ASCII to not have _ also updated style guide to clearly indicate this.

Hg-commit: 9ee752148eed3df65feb0f7eb0686798c3c0621b

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replace ilu default shifttype SHIFT_NONZERO to SHIFT_INBLOCKS because
shift_nonzero is not supported for baij matrices with bs>1.

Hg-commit: 37f8548c89a6fe45f638d5fe8955616b04085d1f

PCFieldSplit: remove command line versus code conflict

* Factor out PCFieldSplitSetRuntimeSplits_Private()

* Splits defined using the options database become permanent, subsequent calls to
PCFiel

PCFieldSplit: remove command line versus code conflict

* Factor out PCFieldSplitSetRuntimeSplits_Private()

* Splits defined using the options database become permanent, subsequent calls to
PCFieldSplitSet(IS|Fields) will not create new splits. This is a problem that
may be slightly confusing, so such cases are logged with PetscInfo.

* Add tests of setting options with both code-defined (string) and options
database (numeric) prefixes.

* Always use PetscSNPrintf() for creating prefixes (note that it now involves
an additional user-defined string)

Hg-commit: 978e0f333fff90b0c3226a36fdc401b53b28895e

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PCFieldSplitSetFields const correctness

Hg-commit: a5b881ca83b895cb5aaf65364156d8af6aa895d9

PCFieldSplitSetIS() and PCFieldSplitSetFields() now take a split-name parameter.

This is used to define options database keys for controlling the inner solves.

This patch also removes a fragment of

PCFieldSplitSetIS() and PCFieldSplitSetFields() now take a split-name parameter.

This is used to define options database keys for controlling the inner solves.

This patch also removes a fragment of dead code in PCFieldSplitSetDefaults()

Hg-commit: 1e0766c47496eba21827219418d039be3b470b45

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ML interface: error needs communicator from something that is in scope.

Hg-commit: 69a9083af90374bb043901e5af2b379bacd0d976

the last work I will do on reformatting use of SETERRQX() and passing in the appropriate comm; I am bored to tears

Hg-commit: 9e0ef782022dbdc055a74473b60f135ee06122ac