Moved registration of MatSolverPackages out of MatCreate_XXX routines into standalone system, this allows
1) more precise error message when a requested solver is not found
2) easier to add new solve

Moved registration of MatSolverPackages out of MatCreate_XXX routines into standalone system, this allows
1) more precise error message when a requested solver is not found
2) easier to add new solvers without touching basic PETSc matrix implementation files and the possibility of adding new solvers to the library after PETSc is installed or even at run time

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Changed --download-umfpack and --download-cholmod to --download-suitesparse in the man docs.

update-SuiteSparse: update UMFPACK and CHOLMOD version info in the interface source file.

update-SuiteSparse: Changed a bunch of flags.

Use PETSC_HAVE_SUITESPARSE instead of PETSC_HAVE_UMFPACK and PETSC_HAVE_CHOLMOD.
Use SUITESPARSE_INCLUDE instead of UMFPACK_INCLUDE and CHOLMOD_INCLUDE.

Sys: drop explicit type arguments from PetscNew() and PetscNewLog()

git grep -l 'PetscNew\(Log\)\?(' -- $1 | xargs perl -pi -e '
s@PetscNew\([^,;()]+ *, *@PetscNew(@;
s@PetscNewLog\(([^,;()]+) *,[^,

Sys: drop explicit type arguments from PetscNew() and PetscNewLog()

git grep -l 'PetscNew\(Log\)\?(' -- $1 | xargs perl -pi -e '
s@PetscNew\([^,;()]+ *, *@PetscNew(@;
s@PetscNewLog\(([^,;()]+) *,[^,;()]+, *@PetscNewLog($1,@'

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Sys: add PetscMalloc1 macro, array allocation without redundant types

The type is inferred from the pointer return type. This patch is
automated via the following script:

git grep -l 'PetscMalloc(

Sys: add PetscMalloc1 macro, array allocation without redundant types

The type is inferred from the pointer return type. This patch is
automated via the following script:

git grep -l 'PetscMalloc(.*sizeof' src | xargs perl -pi -e 's@PetscMalloc\(([^,;]*[^,; ]) *\* *sizeof\([^,;()]+\),@PetscMalloc1($1,@'

This commit contains an additional bug-fix in csrperm.c, fixing pointer
arity. The code was introduced in 2006, but the allocation could not
have been correct at any time. This probably means that
MatDuplicate_SeqAIJPERM has never been tested.

a54129beb540034ba105796c682d589e7e1111f2
Richard Tran Mills <rmills@ornl.gov>

Added MATSEQCSRPERM support for MatDuplicate() and conversion to/from
MATSEQAIJ. Note that these changes are not quite debugged.

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