| Commit message (Collapse) | Author | Age | Files | Lines |
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Bug Fix
Description:
Metadata cache in parallel I/O can cause hangs in applications which
perform independent I/O on chunked datasets, because the metadata cache
can attempt to flush out dirty metadata from only a single process, instead
of collectively from all processes.
Solution:
Pass a dataset transfer property list down from every API function which
could possibly trigger metadata I/O.
Then, split the metadata cache into two sets of entries to allow dirty
metadata to be set aside when a hash table collision occurs during
independent I/O.
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}
FreeBSD 4.7 (sleipnir) serial & parallel
Misc. update:
Updated release_docs/RELEASE
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bug fix
added more verbose help message
added support for all dataset types
added more error checking
added new output format (28 Jan version )
Platforms tested:
windows , linux
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fix bug in Makefile.in
Platforms tested:
windows , linux
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added h5diff to CVS
current version, options only work for float dataset type
Platforms tested:
windows, linux
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patch
Description:
Tflops interprets "$@" as "" when no parameter is given (e.g., the
case of missing file name). Changed it to use $@ till Tflops fixes it.
Platforms tested:
Tflops, burrwhite (pp), modi4(pp)
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Code cleanup & bug fix
Description:
Cleanup another set of warnings on Windows and also fix mis-placed assertion
that caused the daily tests to fail.
Platforms tested:
IRIX64 6.5 (modi4) w/-n32
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Code cleanup
Description:
Reduce warnings on Windows
Platforms tested:
FreeBSD 4.7 (sleipnir)
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Code cleanup
Description:
Various code cleanups to allow the development branch to be compiled with
a C++ compiler (i.e. CC=g++ )
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}
FreeBSD 4.7 (sleipnir) C++
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Code cleanup
Description:
Clean up a few more warnings and update dependencies.
Platforms tested:
Linux 2.2.18smp (eirene) serial & parallel
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Lots of performance improvements & a couple new internal API interfaces.
Description:
Performance Improvements:
- Cached file offset & length sizes in shared file struct, to avoid
constantly looking them up in the FCPL.
- Generic property improvements:
- Added "revision" number to generic property classes to speed
up comparisons.
- Changed method of storing properties from using a hash-table
to the TBBT routines in the library.
- Share the propery names between classes and the lists derived
from them.
- Removed redundant 'def_value' buffer from each property.
- Switching code to use a "copy on write" strategy for
properties in each list, where the properties in each list
are shared with the properties in the class, until a
property's value is changed in a list.
- Fixed error in layout code which was allocating too many buffers.
- Redefined public macros of the form (H5open()/H5check, <variable>)
internally to only be (<variable>), avoiding innumerable useless
calls to H5open() and H5check_version().
- Reuse already zeroed buffers in H5F_contig_fill instead of
constantly re-zeroing them.
- Don't write fill values if writing entire dataset.
- Use gettimeofday() system call instead of time() system when
checking the modification time of a dataset.
- Added reference counted string API and use it for tracking the
names of objects opening in a file (for the ID->name code).
- Removed redundant H5P_get() calls in B-tree routines.
- Redefine H5T datatype macros internally to the library, to avoid
calling H5check redundantly.
- Keep dataspace information for dataset locally instead of reading
from disk each time. Added new module to track open objects
in a file, to allow this (which will be useful eventually for
some FPH5 metadata caching issues).
- Remove H5AC_find macro which was inlining metadata cache lookups,
and call function instead.
- Remove redundant memset() calls from H5G_namei() routine.
- Remove redundant checking of object type when locating objects
in metadata cache and rely on the address only.
- Create default dataset object to use when default dataset creation
property list is used to create datasets, bypassing querying
for all the property list values.
- Use default I/O vector size when performing raw data with the
default dataset transfer property list, instead of querying for
I/O vector size.
- Remove H5P_DEFAULT internally to the library, replacing it with
more specific default property list based on the type of
property list needed.
- Remove redundant memset() calls in object header message (H5O*)
routines.
- Remove redunant memset() calls in data I/O routines.
- Split free-list allocation routines into malloc() and calloc()-
like routines, instead of one combined routine.
- Remove lots of indirection in H5O*() routines.
- Simplify metadata cache entry comparison routine (used when
flushing entire cache out).
- Only enable metadata cache statistics when H5AC_DEBUG is turned
on, instead of always tracking them.
- Simplify address comparison macro (H5F_addr_eq).
- Remove redundant metadata cache entry protections during dataset
creation by protecting the object header once and making all
the modifications necessary for the dataset creation before
unprotecting it.
- Reduce # of "number of element in extent" computations performed
by computing and storing the value during dataspace creation.
- Simplify checking for group location's file information, when file
has not been involving in file-mounting operations.
- Use binary encoding for modification time, instead of ASCII.
- Hoist H5HL_peek calls (to get information in a local heap)
out of loops in many group routine.
- Use static variable for iterators of selections, instead of
dynamically allocation them each time.
- Lookup & insert new entries in one step, avoiding traversing
group's B-tree twice.
- Fixed memory leak in H5Gget_objname_idx() routine (tangential to
performance improvements, but fixed along the way).
- Use free-list for reference counted strings.
- Don't bother copying object names into cached group entries,
since they are re-created when an object is opened.
The benchmark I used to measure these results created several thousand
small (2K) datasets in a file and wrote out the data for them. This is
Elena's "regular.c" benchmark.
These changes resulted in approximately ~4.3x speedup of the
development branch when compared to the previous code in the
development branch and ~1.4x speedup compared to the release
branch.
Additionally, these changes reduce the total memory used (code and
data) by the development branch by ~800KB, bringing the development
branch back into the same ballpark as the release branch.
I'll send out a more detailed description of the benchmark results
as a followup note.
New internal API routines:
Added "reference counted strings" API for tracking strings that get
used by multiple owners without duplicating the strings.
Added "ternary search tree" API for text->object mappings.
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}
Other platforms/configurations tested?
FreeBSD 4.7 (sleipnir) serial & parallel
Solaris 2.6 (baldric) serial
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Purpose:
bug fix
Description:
Need to use HDopen, HDread for windows support.
off_t in windows is 32-bit; however, windows can support 64-bit file. So we
have to change off_t to int64 in order that >4G file can be supported.
Solution:
See above
Platforms tested:
linux2.2.18smp, windows 2000
Misc. update:
Update MANIFEST if you add or remove any file.
Update release_docs/RELEASE for bug fixes, new features, etc.
Update applicable document files too.
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
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Purpose:
New Feature; Optimization; Clean-up
(Merged from 1.4 branch)
Description:
There is no symbolic constant to pass to functions that take an
optional object ID for when the caller wants to indicate no object
ID. In the past the caller always passed a negative integer.
GPFS performs poorly.
The h5ls tool decides whether to list the file name in the output
based on a compile-time choice, which isn't always optimal at run
time.
Solution:
Added a symbolic constant H5I_INVALID_HID.
Added code to tell the mmfsd of GPFS to forego byte range token
prefetching.
h5ls decides whether to print the file name at runtime based on
the number of objects being listed.
Platforms tested:
SuSE Linux (arborea), gcc and mpich-1.2.4
SunOS (baldric), gcc
2002-12-03 23:00:35 Robb Matzke <matzke@arborea.spizella.com>
* main: Replaced the H5LS_PREPEND_FILENAME compile-time symbol which was
always defined, with a runtime decision. If h5ls is
invoked with more than one argument then the file name
is displayed as part of the object name, otherwise the
file name is not displayed.
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Purpose:
bug fix
Description:
forgot to change datatype print-out when fixed VL string bug for h5dump.
Platforms tested:
modi4
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Purpose:
bug fix.
Description:
h5dump cannot dump data and datatype for VL string.
Platforms tested:
eirene, arabica
Misc. update:
MANIFEST, RELEASE.txt
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Fixes bug #836.
Also fixes the 'usage' message.
Description:
Solution:
Platforms tested:
Misc. update:
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Renamed h5dumptst.c to h5dumpgentest.c.
Added a test to run h5dumpgentest to make it can run without error. Note
that this does not verify if it is generating the correct test files.
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}? YES
Misc. update:
Update MANIFEST if you add or remove any file. YES
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Created the expected output of failure of missing file name.
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}? YES.
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Changed the file name nofilename.ddl to tnofilename.ddl, to be consistent
with the other file names.
Platforms tested:
eirene only since this is a very simple change.
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Improvement
Description:
Moved the code parsing for missing file name in the parse_command_line
routine.
Added a test checking if the tool fails as expected when no file name is
given.
Platforms tested:
Tested h5committest {arabica (fortran), eirene (fortran, C++)
modi4 (parallel, fortran)}? YES
Misc. update:
Update MANIFEST if you add or remove any file. YES, added nofilename.ddl
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Bug fix (ID 765 and part of ID 841)
Description:
"h5dump -H" would core dump. It was because the code was not
checking if there was any file argument after option parsing.
It referred to an non-existing filename argument.
There was also some very old but not commented code which allowed
the use of back slash to escape a filename begun with '-'. The
'--' option is better and more common practice.
Solution:
Added code to check if there is still a filename argument after parsing.
(This checking probably should goto inside the option_parsing routine.
Also removed that old code mentioned above.
Platforms tested:
eirene, arabica and modi4
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updated copyright note.
Copied the UNUSED correction from v1.4.
Added an example to the usage of -- option.
Description:
[describe the bug, or describe the new feature, etc]
Solution:
[details about the changes, algorithm, etc...]
[Please as detail as you can since your own explanation is
better than others guessing it from the code.]
Platforms tested:
arabica (fortran), modi4 (pp, fortran),eirene (fortran, CC).
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More fixups to the Dependencies files...
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Regenerate Dependencies files.
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Bug Fix
Description:
Tests were failing on SOlaris machines.
Solution:
Added an explicit return value (0) to the script and main function.
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more features to h5diff
Platforms tested:
linux, windows
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changed script for tests
Platforms tested:
linux 2.4.18
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added h5fiff to configure and makefiles
Platforms tested:
linux 2.4.18
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added a test file , a makefile and a script to run h5diff tests
Platforms tested:
linux 2.4.18
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added a new file
Description:
prototype program for h5diff
Platforms tested:
windows 2000
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"current setting".
latforms tested:
Modi4
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Code cleanup
Description:
Removed more compiler warnings, etc.
Platforms tested:
Linux 2.2.x (eirene) w/parallel
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Code cleanup
Description:
Turn on more warnings in the IRIX builds and clean them up.
Platforms tested:
IRIX64 6.5 (modi4) w/parallel
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Possible Bug Fix
Description:
There seems to be a problem with the h5cc script picking up old
header files. This may have something to do with the CPPFLAGS macro
being set to some nefarious thing and the compiler looking in those
directories for the header files instead of the one where HDF5 is
actually installed.
Solution:
Put the -I$includedir first.
Platforms tested:
None...This is really triggered by the nightly tests. I'm kind of
hoping that this will fix things...
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Bug fix
Description:
Old setup put $(srcdir)/h5redeploy in the install list but this
same list is used for clean too, thus the file is removed from
source. That is bad.
Solution:
Set it to use a cp to do it. Need to change the source version
name to something else because for one, it is confusing to use
the same name. For another, if the build is done in place (i.e.,
not using --srcdir), the source file is removed, again.
So, renamed it with the .in suffix. Who knows, it may take
more processing than just cp when more features are added to it.
Platforms tested:
Eirene
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Tested on eirene.
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New tool
Description:
This updates compiler tools (e.g., h5cc) with new directory where
the HDF5 software has been installed.
Platforms tested:
modi4.
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Bug Fix
Description:
On AIX machines, the number of script interpreters which ran the
testh5dump.sh script would strip too many of the quotes away, causing
problems if you're quoting something with a space in it.
Solution:
Just got rid of the spaces and used ',' instead.
Platforms tested:
AIX and Linux
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Code cleanup
Description:
Clean up warnings on IRIX64 6.5 (modi4)
Platforms tested:
IRIX64 6.5 (modi4)
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Purpose:
user reported a bug on h5 to gif tool
Description:
h5 to gif did not read an HDF5 image correctly
Solution:
updated the program so that it reads the updated HDF5 image format to the latest specification
the debug version of MSVC was giving a failure on the write of the GIF file,
regarding the GIF file pointer
this write error is eliminated declaring that pointer a global variable
there is still an applicattion error on the exit of the program, only on the debug version of MSVC
Platforms tested:
w2000
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