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<html>
<head>
<title>Using This Guide with HDF5 Release 1.8.x</title>
</head>
<body>
<h1>Using This Guide with HDF5 Release 1.8.x</h1>
Several sections describing new features introduced with HDF5 Release 1.8.x
have been added to this <cite>HDF5 User's Guide</cite>:
<ul>
<li>N-bit and scale/offset filters, in the chapter
“<a href="10_Datasets.html">HDF5 Datasets</a>”
<li>New Error API functions, H5E, in the chapter
“<a href="13_ErrorHandling.html">HDF5 Error Handling</a>”
<li>Metadata caching, in the chapter
“<a href="17_SpecialTopics.html">Special Topics</a>”
</ul>
<p>
Other work to bring the <cite>Guide</cite> up to date with
the HDF5 Release 1.8.x series remains to be done.
Readers should keep the following things in mind:
<ul>
<li>Principles and models described in the <cite>Guide</cite>
remain applicable to the 1.8.x series.
<li>The function summaries in several chapters are incomplete for
the 1.8.x series. Refer to the
<a href="../RM/RM_H5Front.html"><cite>HDF5 Reference Manual</cite></a>
for complete lists.
<li>Code examples use function syntax from the 1.6.x release series.
See the note below regarding the use of 1.6.x syntax with a
1.8.x version of the HDF5 Library.
</ul>
<p>
<hr>
<h3>Using 1.6.x syntax with the 1.8.x library</h3>
HDF5 Release 1.8.x includes an API compatibility feature that enables
codes written with 1.6.x function syntax to be compiled against and
linked with an HDF5 Release 1.8.x Library.
<p>
When working with an installed version of the HDF5 Library that has
been built with default settings, use the
<a href="../RM/Tools.html#Tools-H5CC"><code>h5cc</code></a>
script and the <code>-DH5_USE_16_API</code> flag
to compile and link your C program as follows:
<pre>
h5cc <<i>other_instructions</i>> -DH5_USE_16_API . . .
</pre>
A comparable script,
<a href="../RM/Tools.html#Tools-H5FC"><code>h5fc</code></a>,
is provided for Fortran programs.
<!-- FOR USE WITH PRINT VERSION ----------------------------------------
<code>h5cc</code> and <code>h5fc</code> are described
in the “Tools” section
of the <cite>HDF5 Reference Manual</cite>.
<!-- FOR USE WITH PRINT VERSION ---------------------------------------->
<p>
For further details or alternate approaches, see
“<a href="../RM/APICompatMacros.html">API Compatibility Macros
in HDF5</a>.”
</body>
</html>
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