Free filename in PetscViewerDestroy_Binary().
Remove silly string copies I added in the
Binary and BinaryMPIIO file setup functions.

Check for existing allocation, free if required
before allocating new string.

( i) Following Barry's comment, I should not be
calling SetUp_Binary() from
SetFromOptions_Binary().

(ii) To allow users to configure their binary
viewer and activate mpi-io (e.g. to preserve old
fu

( i) Following Barry's comment, I should not be
calling SetUp_Binary() from
SetFromOptions_Binary().

(ii) To allow users to configure their binary
viewer and activate mpi-io (e.g. to preserve old
functionality) at run-time, I call
PetscViewerSetFromOptions()
from within SetUp_Binary(), but only if
SetFromOptions_Binary() has not already been
called elsewhere.

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Missing #undef __FUNCT__

It is required that the filename be preserved.

Function re-name so the pattern
PetscViewerBinarySkipInfo(PetscViewer)
and
PetscViewerBinaryGetSkipInfo(PetscViewer,Bool)
can be followed for
PetscViewerBinarySetMPIIO()
and friends.

- Merged _BinaryMPIIO calls and _Binary calls into
a single function for ViewerDestroy_Binary().

- Removed function overloading and removed
dependency of filename being set from
PetscViewerBinarySet

- Merged _BinaryMPIIO calls and _Binary calls into
a single function for ViewerDestroy_Binary().

- Removed function overloading and removed
dependency of filename being set from
PetscViewerBinarySetMPIIO_Binary()

- Introduced PetscViewerFileSetUp_BinaryMPIIO()
and PetscViewerFileSetUp_Binary() which replace
the code which used to live in
PetscViewerFileSetName_Binary () and
PetscViewerFileSetName_MPIOIO(). As a result,
PetscViewerFileSetName() now just copies the
string passed in.

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Applying petsc formatting rules to the function
PetscViewerSetFromOptions_Binary()

Refactor of PetscViewerBinary code.

Commencing reorganisation of PetscViewerBinary to
have a more consistent way of setting and using
option prefixes and allowing mpi-io to be used
on specific viewe

Refactor of PetscViewerBinary code.

Commencing reorganisation of PetscViewerBinary to
have a more consistent way of setting and using
option prefixes and allowing mpi-io to be used
on specific viewers.

This commit:
( i) introduces a setupcalled flag into the binary
context
( ii) adds an empty SetUp function
(iii) adds a SetFromOptions_Binary function which
combines all options (skip header, skipinfo, etc)
within a PetscOptionsHead()/PetscOptionsTail()
block so that option prefixes are used.

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Fixed errors in manual page documentation including formating.
Fixed rank argument for DMCreateRedundant() to be PetscMPIInt

Reported-by: Dave May <dave.mayhem23@gmail.com>

simplify option object names

moved PetscOptionsObject from global variable to local variable in functions

manual merge of conflict

when using quad precision allow vtk binary output to work

Merge branch 'barry/fix-hdf5'

-ksp_richardson_scale was ignored when PCApplyRichardson() was used
Fix: turn off PCApplyRichardson() when scale is not 1 and print PetscInfo warning

Reported-by: Mark Adams <mfadams@lbl.gov>

Fixed

-ksp_richardson_scale was ignored when PCApplyRichardson() was used
Fix: turn off PCApplyRichardson() when scale is not 1 and print PetscInfo warning

Reported-by: Mark Adams <mfadams@lbl.gov>

Fixed missing carriage return in uses of PetscInfo() and missing ierr CHKERRQ() usage

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moved the rest of the HDF5 calls behind PetscStackCall's

added PetscStackCallHDF5() and test usage

Merge branch 'mlange/plex-gmsh-binary'

* mlange/plex-gmsh-binary:
Viewer: Fix 64-bit integer parse
Plex-Gmsh: Improve error handling
Viewer: Use %lld to parse 64-bit integers
Plex-Gmsh: Fixe

Merge branch 'mlange/plex-gmsh-binary'

* mlange/plex-gmsh-binary:
Viewer: Fix 64-bit integer parse
Plex-Gmsh: Improve error handling
Viewer: Use %lld to parse 64-bit integers
Plex-Gmsh: Fixes for 64-bit integer mode
Plex-Gmsh: Fix and test parallel Gmsh reads
Plex-Gmsh: Add new Gmsh tests based on 2D square
Plex-Gmsh: Add DMPlexCreateGmshFromFile, which determines file type
Plex-Gmsh: Enabling binary mesh file reads in DMPlexCreateGmsh
Viewer: Add PetscViewerRead()
Plex-Gmsh: Adding PetscViewerASCIIRead()
Plex-Gmsh: Read gmsh elements into memory for repeated file traversal.
Plex-Gmsh: Fix cell and dimension counting

Conflicts:
src/dm/impls/plex/plexgmsh.c

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Viewer: Fix 64-bit integer parse

Viewer: Use %lld to parse 64-bit integers

convert some PetscMalloc() to PetscMalloc1()
remove unneeded () in first argument to PetscMalloc/Calloc1()
fixes for MATLAB examples

Plex-Gmsh: Fixes for 64-bit integer mode

Since Gmsh files always use 32-bit integers, use PETSC_ENUM to
enforce 32-bit integer reads.

Viewer: Add PetscViewerRead()

This utility wraps the type-specific View() functions
of binary and ASCII readers to enable transparent file reads.
It also adds string handling based on single charact

Viewer: Add PetscViewerRead()

This utility wraps the type-specific View() functions
of binary and ASCII readers to enable transparent file reads.
It also adds string handling based on single character reads
to make mesh file input more convenient.

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Plex-Gmsh: Adding PetscViewerASCIIRead()

This utility routine has the same signature as PetscViewerBinaryRead()
and effectively just wraps an fscanf loop for common types.