merge from 32

Hg-commit: a6cf9aa9bfe3165ebbaa1b2e3d982001b2b3a0e6

add level info in manpages

Hg-commit: 3bba9593b9f6541d89b764edd2655e02309f98e3

commit after merge

Hg-commit: 6235e9c2da5045aca4ab413e83dbcc931db87e78

updated users manual for 3.2 release

Hg-commit: 6eee208e2f0b30b900bdf7749256a78fe421d35f

commit after pull of patches in 3.2

Hg-commit: b7de7c65f6c4c1f2a909d71e8b686876487a027e

windows fixes [cmplx]

Hg-commit: 8af9e2686d0521278f0d7849e4d93f0c200b5886

added SNESLineSearchType enum and SNESLineSearchTypes and unified SNESSetFromOptions_LS() to use these instead of hardwiring arrays into each routine

Hg-commit: 5a11f82a7709b95112dec9cc38689b0ba9870

added SNESLineSearchType enum and SNESLineSearchTypes and unified SNESSetFromOptions_LS() to use these instead of hardwiring arrays into each routine

Hg-commit: 5a11f82a7709b95112dec9cc38689b0ba987068b

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added test files
fixed support for -snes_vi_ignore_function_sign

Hg-commit: 497567453eac487a622af0a2944a51e94457e180

seperated log function in formfunction into the two parts

Hg-commit: 66d94fce3fcccc24f4393f78496db453a3c3d611

updates to get X11 working better with __float128 precision

Hg-commit: 9d03a2ecdca126e4d0a9be9fb5dc3ef0b669e62a

Adding a few lines in vi.c that print out the number of components of a variable actually satisfying upper/lower bounds (weaker condition than being "active").

Hg-commit: f7094002b86b80ef784ffc9e04f

Adding a few lines in vi.c that print out the number of components of a variable actually satisfying upper/lower bounds (weaker condition than being "active").

Hg-commit: f7094002b86b80ef784ffc9e04f689a07069161c

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allow setting inital solution from the command line
SNESVIMonitor now shows percentage of possibly active variables that are actually active

Hg-commit: ba65400eee669e241bbf3042a2916e47fbbb61f8

Fix C++ complex in VI

Hg-commit: c0c085daeadc2524fc9ef47a4811f7e1cf83e7ce

fixed determination of count of active constraints on lower bound in SNESMonitorVI() didn't affect algorithm but reported wrong bound counts

Hg-commit: 11067299c3374e12ac39736025e9cf1f67fccb3f

added -maxevents <nevents> to allow only nevents to occur
changed SNESMonitorVI() to display seperate lower and upper constraints

Hg-commit: 1506887c906a8d2f7cc6934a177df547207850f0

Removed lines that saved matrices

Hg-commit: 21d3b01196c1d258f61fb5d51dff9acd443590da

Changing the mechanism to obtain active/inactive sets at coarser levels

Hg-commit: 60f2b2c383eecf7188355e45ab501583e667e6c1

Make SNESView_XXX ignore viewer types it cannot handle

Hg-commit: bacd736a92cc499f3a02ce02ec27ea69a6f1ec33

changed SNESSolveVI_RS() to use cubic line search by default
fixed VI quadratic line search to use derivative free criteria for decrease in function

Hg-commit: 2ea7882c0b6f5849e0158fb277240115f84332

changed SNESSolveVI_RS() to use cubic line search by default
fixed VI quadratic line search to use derivative free criteria for decrease in function

Hg-commit: 2ea7882c0b6f5849e0158fb277240115f843326b

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removed duplicate ex61.c and 62.c
added SNESVIGetInactiveSet()



: Enter commit message. Lines beginning with 'HG:' are removed.

Hg-commit: e0ca7e775146b79951319b76b9284fd056f059eb

Adding a few lines in vi.c that call the user provided checkredundancy function, adding a checkredundancy function in ex60.c, and modifying makefile

Hg-commit: e2382f256e9048e26b531fba7d9404552e29de

Adding a few lines in vi.c that call the user provided checkredundancy function, adding a checkredundancy function in ex60.c, and modifying makefile

Hg-commit: e2382f256e9048e26b531fba7d9404552e29de08

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SNESVISetComputeVariableBounds: the callback does not allocate the vectors any more

Hg-commit: fcddff67fdea6d818baf6c94f2ba254b070f42e6

removed PetscViewerASCIIMonitorCreate instead regular ASCII viewers are used and the tabs are set by the Monitor routine. Now no monitor option should be double used because SNES or KSPSetFromOptions

removed PetscViewerASCIIMonitorCreate instead regular ASCII viewers are used and the tabs are set by the Monitor routine. Now no monitor option should be double used because SNES or KSPSetFromOptions are used

Hg-commit: 3821c77002121ce48b9fae3b1d8e38aa6c55f2b9

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subtle bug in handling DM referencing counting with SNESVI
also fixed olist handling when object was dereferenced but not removed from the list

Hg-commit: a1e168f86d94ced8d3ea99b78aa36f2d8fee6161

ex54.c/SNESSolveVI_RS only forms new preconditioner if the active set changes or matrix

Hg-commit: 52031e758c8776b654d6903e727ecbf4c580cefe