Move duplicated setup/destroy code from SNES impls to interface

Hg-commit: 2006b262d5b7b1216d06712c28367447af38b63c

windows compiler fixes

Hg-commit: a6419241ab824a15e820014cdd5ce74aff78f1a5

Added preallocation for augmented Jacobian.
Fixed snes/examples/tests/ex8.c.

Hg-commit: 679096a88e9d7bb941f3817238a4162f4a349048

Matlab interface for SNESVIRedundancyCheck.

Hg-commit: 00d510461a631aea117647d79b88884fdc7af21d

updated SNESLineSearchSetParams() to use function composition so it will not crash if called on a non-line search SNES

Hg-commit: 66bba34ad19d2fd1aa409942e77e34e005f654a8

Make SNESSolve_Test output the state at which the Jacobian is evaluated

Hg-commit: 445b2b80cab0b0d5ee3d4e3da306b645a80d83aa

finished basic support for __float128

Hg-commit: ae6323f37787bba35aaa6ab78aa53432011da446

Use #include <header.h> instead of #include "header.h" when there is no intent to search the current directory for header.h

Hg-commit: bd7216e80cc035071a5136364ab9d04bf9f41a07

Fixed problem with <valarray> and isinf()
- Also clarified some includes

Hg-commit: 6253ac1d13616dccb97998a97af31b674ca3f4da

removed #define PETSCXXX_DLL from top of all source files

Hg-commit: b784aa18ddcf5337d4011d34f0fa008681695ac1

fixed bunch of set but not used variables

Hg-commit: d5650d37bd1d5b77dc944471a37afb6048f634de

Finished the bare bones of the augmented space vi solver.
Need to add matrix preallocation and also need to write a
matlab interface for checkredundancy function.

Hg-commit: 23e7928e179a4df04dff5873

Finished the bare bones of the augmented space vi solver.
Need to add matrix preallocation and also need to write a
matlab interface for checkredundancy function.

Hg-commit: 23e7928e179a4df04dff58734824ea6b8c4e87c9

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Added SNESVISetRedundancyCheck to snes header file.

Hg-commit: 0402931f4337d077410441aabbabc3457bfc9a22

Started working on the augmented space vi solver.
1) Copied SNESSolveVI_RS to SNESSolveVI_RS2.
2) Added setting of pointer for user defined function which identifies redundant
active set variables

Started working on the augmented space vi solver.
1) Copied SNESSolveVI_RS to SNESSolveVI_RS2.
2) Added setting of pointer for user defined function which identifies redundant
active set variables.

Hg-commit: bc6e4884739dea97883a0c6b18a0dd3d625bc1c7

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more PCReset_XXX() done
KSPDestroy() now zeros the pointer

Hg-commit: 734a7781b5d7d5bb9df4814d2e579008497bc8d8

CGR does not handle PCSetDiagonalScale() so generate an error if user tries it
added note to PCApplyBAorAB() about diagonal scaling

Hg-commit: 04e3d615ff4c04a9b51bc2779455488d80533525

added zeroing of pointer to VecDestroyVecs()

Hg-commit: f208dcada3a3f640f354f9a431cecf4c9ce81cd5

Now requirepackage is only used for proper packages, functions use requiresfunction, and the rest use requiresdefine

Hg-commit: dd65fd3461c02753386917514e6ebe12d345a30e

Added MatFindNonZeroRows_MPIAIJ.Not tested yet.

Hg-commit: adea37974c6d44d5130776eded140b7455826f6c

Added a better KSP and PC updating strategy for VI_RS.
The KSP and PC object are now updated if the current and previous inactive set IS 'indices' do not match. The previous strategy only compared th

Added a better KSP and PC updating strategy for VI_RS.
The KSP and PC object are now updated if the current and previous inactive set IS 'indices' do not match. The previous strategy only compared the global sizes and would fail if the global size remains same but (a) the local sizes change or
(b) local sizes remain same but the indices are different.

Hg-commit: 76e946631d044cf1150d364b3eca7965e0afb916

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update MatSeqAIJFindZeroRows() to MatFindNonzeroRows()

Hg-commit: fbda5d24d43b60060a19e9257c1b0ad376959dc0

Added method for getting the active set IS.

Hg-commit: 616ff9474e87205cf2f4d9656ea1d4b3e2eae8c0