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<div class="refentry">
<a name="boost.mpi.packed_iarchive"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class packed_iarchive</span></h2>
<p>boost::mpi::packed_iarchive &#8212; An archive that unpacks binary data from an MPI buffer. </p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../mpi/reference.html#header.boost.mpi.packed_iarchive_hpp" title="Header &lt;boost/mpi/packed_iarchive.hpp&gt;">boost/mpi/packed_iarchive.hpp</a>&gt;

</span>
<span class="keyword">class</span> <a class="link" href="packed_iarchive.html" title="Class packed_iarchive">packed_iarchive</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">iprimitive</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// <a class="link" href="packed_iarchive.html#boost.mpi.packed_iarchiveconstruct-copy-destruct">construct/copy/destruct</a></span>
  <a class="link" href="packed_iarchive.html#idm45507042829840-bb"><span class="identifier">packed_iarchive</span></a><span class="special">(</span><span class="identifier">MPI_Comm</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">buffer_type</span> <span class="special">&amp;</span><span class="special">,</span> 
                  <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">no_header</span><span class="special">,</span> <span class="keyword">int</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="packed_iarchive.html#idm45507042823296-bb"><span class="identifier">packed_iarchive</span></a><span class="special">(</span><span class="identifier">MPI_Comm</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="special">=</span> <span class="number">0</span><span class="special">,</span> 
                  <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">no_header</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="packed_iarchive.html#idm45507036674272-bb">public member functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507036673712-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">false_</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507036670640-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507047425360-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507047422976-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_id_optional_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507047421472-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_id_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507047419920-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">version_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507047418384-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_id_reference_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="packed_iarchive.html#idm45507047416832-bb"><span class="identifier">load_override</span></a><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_name_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45555219948176"></a><h2>Description</h2>
<p>The <code class="computeroutput"><a class="link" href="packed_oarchive.html" title="Class packed_oarchive">packed_oarchive</a></code> class is an Archiver (as in the Boost.Serialization library) that unpacks binary data from a buffer received via MPI. It can operate on any Serializable data type and will use the <code class="computeroutput">MPI_Unpack</code> function of the underlying MPI implementation to perform deserialization. </p>
<div class="refsect2">
<a name="idm45555219945216"></a><h3>
<a name="boost.mpi.packed_iarchiveconstruct-copy-destruct"></a><code class="computeroutput">packed_iarchive</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><a name="idm45507042829840-bb"></a><span class="identifier">packed_iarchive</span><span class="special">(</span><span class="identifier">MPI_Comm</span> <span class="keyword">const</span> <span class="special">&amp;</span> comm<span class="special">,</span> <span class="identifier">buffer_type</span> <span class="special">&amp;</span> b<span class="special">,</span> 
                <span class="keyword">unsigned</span> <span class="keyword">int</span> flags <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">no_header</span><span class="special">,</span> 
                <span class="keyword">int</span> position <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre>
<p>Construct a <code class="computeroutput"><code class="computeroutput"><a class="link" href="packed_iarchive.html" title="Class packed_iarchive">packed_iarchive</a></code></code> to receive data over the given MPI communicator and with an initial buffer.</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">b</code></span></p></td>
<td><p>A user-defined buffer that contains the binary representation of serialized objects.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">comm</code></span></p></td>
<td><p>The communicator over which this archive will be received.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">flags</code></span></p></td>
<td><p>Control the serialization of the data types. Refer to the Boost.Serialization documentation before changing the default flags. </p></td>
</tr>
</tbody>
</table></div></td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idm45507042823296-bb"></a><span class="identifier">packed_iarchive</span><span class="special">(</span><span class="identifier">MPI_Comm</span> <span class="keyword">const</span> <span class="special">&amp;</span> comm<span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> s <span class="special">=</span> <span class="number">0</span><span class="special">,</span> 
                <span class="keyword">unsigned</span> <span class="keyword">int</span> flags <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">no_header</span><span class="special">)</span><span class="special">;</span></pre>
<p>Construct a <code class="computeroutput"><code class="computeroutput"><a class="link" href="packed_iarchive.html" title="Class packed_iarchive">packed_iarchive</a></code></code> to receive data over the given MPI communicator.</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">comm</code></span></p></td>
<td><p>The communicator over which this archive will be received.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">flags</code></span></p></td>
<td><p>Control the serialization of the data types. Refer to the Boost.Serialization documentation before changing the default flags. </p></td>
</tr>
</tbody>
</table></div></td>
</tr></tbody>
</table></div>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="idm45555219898016"></a><h3>
<a name="idm45507036674272-bb"></a><code class="computeroutput">packed_iarchive</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idm45507036673712-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span> x<span class="special">,</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">false_</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idm45507036670640-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span> x<span class="special">,</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">true_</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">void</span> <a name="idm45507047425360-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">T</span> <span class="special">&amp;</span> x<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45507047422976-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_id_optional_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45507047421472-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_id_type</span> <span class="special">&amp;</span> t<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45507047419920-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">version_type</span> <span class="special">&amp;</span> t<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45507047418384-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_id_reference_type</span> <span class="special">&amp;</span> t<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">void</span> <a name="idm45507047416832-bb"></a><span class="identifier">load_override</span><span class="special">(</span><span class="identifier">archive</span><span class="special">::</span><span class="identifier">class_name_type</span> <span class="special">&amp;</span> t<span class="special">)</span><span class="special">;</span></pre></li>
</ol></div>
</div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2005-2007 Douglas Gregor,
      Matthias Troyer, Trustees of Indiana University<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">
        http://www.boost.org/LICENSE_1_0.txt </a>)
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