hmpi: currently broken - so disable it with an error message

Merge branch 'jed/segbuffer-size_t'

* jed/segbuffer-size_t:
SegBuffer: use size_t instead of PetscInt

Sys: fix MPI to PETSc data type translation for __float128

src/vec/vec/examples/tutorials ex5_1 was failing "Unhandled MPI datatype"

Merge branch 'jed/segbuffer-size_t' of bitbucket.org:petsc/petsc into barry/citations

-citations option causes the print out of approriate bibtex citation indices for all packages USED in the run
Most of the appropriate citations still need to be added

SegBuffer: use size_t instead of PetscInt

This is more natural as a "buffer" interface.

Options: Allow env variables, like PETSC_DIR, in the options file name for startup

PetscHeaderDestroy: call PetscObjectDestroyOptionsHandlers

Otherwise the options handler destroy method never gets called.

PetscOptionsInsertFile: fix overflow for large file sizes [fix #39]

New implementation uses PetscSegBuffer to incrementally allocate storage
for all the options. This also fixes the O(n^2) complexi

PetscOptionsInsertFile: fix overflow for large file sizes [fix #39]

New implementation uses PetscSegBuffer to incrementally allocate storage
for all the options. This also fixes the O(n^2) complexity arising from
repeated calls to strcat() in the old version.

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mpiuni: avoid calling mpi_init_() when using --with-mpiuni-fortran-binding=0 #159925

Merge branch 'jed/fix-locdir'

* jed/fix-locdir:
LOCDIR: fix all outdated paths and normalize trailing slash

LOCDIR: fix all outdated paths and normalize trailing slash

Update performed by:

git ls-files '*/makefile' | xargs perl -pi -MFile::Basename \
-e 's!(LOCDIR[[:space:]]+=) *(.+)$!$1." ".dirnam

LOCDIR: fix all outdated paths and normalize trailing slash

Update performed by:

git ls-files '*/makefile' | xargs perl -pi -MFile::Basename \
-e 's!(LOCDIR[[:space:]]+=) *(.+)$!$1." ".dirname($ARGV)."/"!e'

Fortran auto must be fixed using 'make allfortranstubs' and the result
can be checked by 'bin/maint/checkloc.py'.

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removed unnneeded and unused XXXRegisterDestroy() routines

removed PetscFunctionListDestroyAll() and put PetscFunctionListDestroy(&XXXList) into the package finalize

Merge branch 'jed/options-viewer-enum'

* jed/options-viewer-enum:
PetscEnumFind: fix bad PetscBool cast when I meant PetscEnum
PetscOptionsGetViewer: test ex4: removed redundant
PetscOptionsGe

Merge branch 'jed/options-viewer-enum'

* jed/options-viewer-enum:
PetscEnumFind: fix bad PetscBool cast when I meant PetscEnum
PetscOptionsGetViewer: test ex4: removed redundant
PetscOptionsGetViewer: support ":append" for arbitrary viewer type
PetscOptionsGetViewer: fix error handling with PETSC_VIEWER_XX_()
PetscOptionsGetViewer: new test: write to named ASCII output file with format
PetscOptionsGetViewer: simplify logic and use PetscEnumFind()
PetscOptionsGetEList: use PetscEListFind()
PetscEListFind() and PetscEnumFind()
PetscFileModes: add string enumeration for PetscFileMode
PetscViewer: added tests/ex4 to testexamples
PetscViewer: added files for :append test
PetscOptionsGetViewer: last commit broke PetscOptionsGetViewer, fixed it
PetscOptionsGetViewer: added [:append] to ascii

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Merge branch 'jed/functionlist-nocast'

* jed/functionlist-nocast:
docs: simplify explanation of function lists/composition
PetscObjectQueryFunction: use macro to hide PetscVoidFunction* cast
P

Merge branch 'jed/functionlist-nocast'

* jed/functionlist-nocast:
docs: simplify explanation of function lists/composition
PetscObjectQueryFunction: use macro to hide PetscVoidFunction* cast
PetscFunctionListAdd: use macro to hide (PetscVoidFunction) cast
PetscFunctionListFind: use macro to hide (PetscVoidFunction*) cast

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Merge branch 'barry/rm-xxxregisterdynamic'

* barry/rm-xxxregisterdynamic:
Registration: remove stale 'XXRegisterDynamic)' entries in man pages
TS examples: fix use of PetscFunctionList and add t

Merge branch 'barry/rm-xxxregisterdynamic'

* barry/rm-xxxregisterdynamic:
Registration: remove stale 'XXRegisterDynamic)' entries in man pages
TS examples: fix use of PetscFunctionList and add to nightlies
Changes: Note updates to XRegisterDynamic/PetscObjectComposeFunctionDynamic
PetscObjectComposeFunctionDynamic: remove stale docs and usage
developers.tex: remove complications from function composition with dlls
removed string version of function name for XXXRegister(), PetscFunctionListAdd() and PetscObjectComposeFunction()
changes: document PetscFunctionListAdd() API change
developers.tex: update documentation of PetscObjectComposeFunction
removed path and MPI_Comm arguments from PetscFunctionListFind/Add()
removed path argument to XXXInitializePackage() and XXXRegister()
removed XXXRegisterDynamic() but kept the APIs for everything else underneath the same phase I of the update to handling registering function pointers

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PetscObjectQueryFunction: use macro to hide PetscVoidFunction* cast

Rationale is the same as the parent. This makes all of
PetscFunctionListAdd(), PetscFunctionListFind(),
PetscObjectComposeFunction

PetscObjectQueryFunction: use macro to hide PetscVoidFunction* cast

Rationale is the same as the parent. This makes all of
PetscFunctionListAdd(), PetscFunctionListFind(),
PetscObjectComposeFunction(), and PetscObjectQueryFunction() consistent
regarding function pointer return types.

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PetscOptionsGetEList: use PetscEListFind()

PetscInitialize() and PetscFinalize() should only process -server argument (with PetscPOpen) if PETSc is built with server support

PetscObjectComposeFunctionDynamic: remove stale docs and usage

removed string version of function name for XXXRegister(), PetscFunctionListAdd() and PetscObjectComposeFunction()

removed path and MPI_Comm arguments from PetscFunctionListFind/Add()

removed path argument to XXXInitializePackage() and XXXRegister()

removed XXXRegisterDynamic() but kept the APIs for everything else underneath the same
phase I of the update to handling registering function pointers