* Changed internal error handling macros to reduce code size of library by
about 10%.
* API changes.
* Performance improvements
* ``h5cc'' script which helps compilation of HDF5 programs
* Bug fixes.
New Features
============
* XML output option for h5dump utility.
A new option --xml to output data in XML format has been added. The
XML output contains a complete description of the file, marked up in
XML.
The XML conforms to the HDF5 Document Type Definition (DTD), which
is available at:
http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd
The XML output is suitable for use with other tools, including the
Java Tools:
http://hdf.ncsa.uiuc.edu/java-hdf5-html
Bug Fixes since HDF5-1.4.0 Release
==================================
* h4toh5 utility: conversion of images is fixed
Earlier releases of the h4toh5 utility produced images that did not
correctly conform to the HDF5 Image and Palette Specification.
http://hdf.ncsa.uiuc.edu/HDF5/doc/ImageSpec.html
Several required HDF5 attributes are omitted, and the dataspace
is reversed (i.e., the ht. and width of the image dataset is
incorrectly described.) For more information, please see:
http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageDetails.htm
* Fixed bug with contiguous hyperslabs not being detected, causing
slower I/O than necessary.
* Fixed bug where non-aligned hyperslab I/O on chunked datasets was
causing errors during I/O
* The RCSID string in H5public.h was causing the C++ compiling problem
because when it was included multiple times, C++ did not like
multiple definitions of the same static variable. All occurance of
RCSID definition are removed since we have not used it consistently
before.
problem. Also, patch configure script to not add "-ansi -pedantic" to
CFLAGS. It seems pointless to use the "-ansi" warning when so many
warnings about ANSI C not supporting "long long", etc., appear.
${PREFIX}/share/doc/hdf5/RELEASE.txt.
New Features
============
* The Virtual File Layer, VFL, was added to replace the old file
drivers. It also provides an API for user defined file drivers.
* New features added to snapshots. Use 'snapshot help' to see a
complete list of features.
* Improved configure to detect if MPIO routines are available when
parallel mode is requested.
* Added Thread-Safe support. Phase I implemented. See:
http://hdf.ncsa.uiuc.edu/HDF5/papers/mthdf/MTHDFpaper.htm
for more details.
* Added data sieve buffering to raw data I/O path. This is enabled
for all VFL drivers except the mpio & core drivers. Setting the
sieve buffer size is controlled with the new API function,
H5Pset_sieve_buf_size(), and retrieved with H5Pget_sieve_buf_size().
* Added new Virtual File Driver, Stream VFD, to send/receive entire
HDF5 files via socket connections.
* As parts of VFL, HDF-GASS and HDF-SRB are also added to this
release. To find out details, please read INSTALL_VFL file.
* Increased maximum number of dimensions for a dataset (H5S_MAX_RANK)
from 31 to 32 to align with HDF4 & netCDF.
* Added 'query' function to VFL drivers. Also added 'type' parameter to
VFL 'read' & 'write' calls, so they are aware of the type of data
being accessed in the file. Updated the VFL document also.
* A new h4toh5 utility, to convert HDF4 files to analogous HDF5 files.
* Added a new array datatype to the datatypes which can be created.
Removed "array fields" from compound datatypes (use an array datatype
instead).
* Parallel HDF5 works correctly with mpich-1.2.1 on Solaris, SGI, Linux.
* You can now install the HDF5 documentation using the
``make install-doc'' command. The documentation is installed in the
$(prefix)/doc directory where $(prefix) is the prefix specified by
the (optional) ``--prefix'' flag during configuration.
* HDF5 can operate correctly in the OpenMP environment in a limited way.
Check doc/html/TechNotes/openmp-hdf5.html for details.
out of date - it was based on a.out OBJECT_FMT, and added entries in the
generated PLISTs to reflect the symlinks that ELF packages uses. It also
tried to be clever, and removed and recreated any symbolic links that were
created, which has resulted in some fun, especially with packages which
use dlopen(3) to load modules. Some recent changes to our ld.so to bring
it more into line with other Operating Systems also exposed some cracks.
+ Modify bsd.pkg.mk and its shared object handling, so that PLISTs now contain
the ELF symlinks.
+ Don't mess about with file system entries when handling shared objects in
bsd.pkg.mk, since it's likely that libtool and the BSD *.mk processing will
have got it right, and have a much better idea than we do.
+ Modify PLISTs to contain "ELF symlinks"
+ On a.out platforms, delete any "ELF symlinks" from the generated PLISTs
+ On ELF platforms, no extra processing needs to be done in bsd.pkg.mk
+ Modify print-PLIST target in bsd.pkg.mk to add dummy symlink entries on
a.out platforms
+ Update the documentation in Packages.txt
With many thanks to Thomas Klausner for keeping me honest with this.
