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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>MPI On Cell (Documentation): Environmental Management</title>
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<link href="../../doxygen.css" rel="stylesheet" type="text/css">
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<link href="../../tabs.css" rel="stylesheet" type="text/css">
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<!-- Generated by Doxygen 1.5.6 -->
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<div class="navigation" id="top">
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<div class="tabs">
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<ul>
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<li><a href="../../main.html"><span>Main Page</span></a></li>
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<li><a href="../../modules.html"><span>Modules</span></a></li>
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<li><a href="../../annotated.html"><span>Data Structures</span></a></li>
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</ul>
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<div class="contents">
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<h1>Environmental Management<br>
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<small>
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[<a class="el" href="../../d3/d9e/group__end__user.html">End-User Documentation</a>]</small>
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<div class="dynheader">
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Collaboration diagram for Environmental Management:</div>
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<div class="dynsection">
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<center><table><tr><td><img src="../../de/d1b/group__environment__main.png" border="0" alt="" usemap="#d2/df2/de_2d1b_2group____environment____main_map">
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<map name="d2/df2/de_2d1b_2group____environment____main_map">
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<area shape="rect" href="../../d8/d9a/group__environment__startup.html" title="Functions to start and terminate the MOC-execution environment." alt="" coords="475,5,611,32"><area shape="rect" href="../../d8/da1/group__environment__error.html" title="This section describes how errors are handled." alt="" coords="491,56,595,83"><area shape="rect" href="../../d8/da6/group__environment__timer.html" title="Functions to measure time." alt="" coords="452,107,633,133"><area shape="rect" href="../../d3/d9e/group__end__user.html" title="This section describes the public API provided by the MOC-library." alt="" coords="7,81,172,108"><area shape="rect" href="../../d8/d8f/group__environment__information.html" title="Functions to return some information about the execution environment and the MOC-implementation..." alt="" coords="455,157,631,184"></map></td></tr></table></center>
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</div>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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This chapter discusses routines for getting and, where appropriate, setting various parameters that relate to the MPI implementation and the execution environment (such as error handling, startup&shutdown and Time).
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<p>
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<p>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Modules</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/d9a/group__environment__startup.html">Startup & Shutdown</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Functions to start and terminate the MOC-execution environment. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/d8f/group__environment__information.html">Implementation Information</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Functions to return some information about the execution environment and the MOC-implementation. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/da1/group__environment__error.html">Error-Handling</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">This section describes how errors are handled. <br></td></tr>
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<p>
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<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/da6/group__environment__timer.html">Timers and Synchronization</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Functions to measure time. <br></td></tr>
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<p>
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</table>
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</div>
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<hr size="1"><address style="text-align: right;"><small>Generated on Thu Feb 12 13:48:17 2009 for MPI On Cell (Documentation) by
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<a href="http://www.doxygen.org/index.html">
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<img src="../../doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>MPI On Cell (Documentation): Buffered Communication</title>
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<link href="../../doxygen.css" rel="stylesheet" type="text/css">
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<link href="../../tabs.css" rel="stylesheet" type="text/css">
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<div class="navigation" id="top">
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<div class="tabs">
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<ul>
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<li><a href="../../main.html"><span>Main Page</span></a></li>
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<li><a href="../../modules.html"><span>Modules</span></a></li>
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<li><a href="../../annotated.html"><span>Data Structures</span></a></li>
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</ul>
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</div>
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</div>
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<div class="contents">
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<h1>Buffered Communication<br>
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<small>
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[<a class="el" href="../../d0/d64/group__p2p__main.html">Point-to-Point Communication</a>]</small>
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</h1>
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<div class="dynheader">
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Collaboration diagram for Buffered Communication:</div>
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<div class="dynsection">
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<center><table><tr><td><img src="../../de/d84/group__p2p__buffered.png" border="0" alt="" usemap="#d0/dd5/de_2d84_2group____p2p____buffered_map">
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<map name="d0/dd5/de_2d84_2group____p2p____buffered_map">
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<area shape="rect" href="../../d0/d64/group__p2p__main.html" title="Sending and receiving of messages by processes is the basic MPI communication mechanism..." alt="" coords="5,5,200,32"></map></td></tr></table></center>
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</div>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
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Blocking sending of messages with the use of an intermediate buffer.
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<p>
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The blocking buffered send-operation returns if the send-buffer can be safely reused (after the data has been copied into the intermediate buffer).
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<p>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td></td></tr>
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
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<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="../../de/d84/group__p2p__buffered.html#g307bf844e1416c7c021e4a3468209d0b">MOC_Bsend</a> (void *buf, int count, <a class="el" href="../../dc/d6e/group__p2p__datatype.html#gb4e45f15c08578bd3fc97c0cca2a509a">MOC_Datatype</a> datatype, int dest, int tag, <a class="el" href="../../d1/dd1/group__comm__mgt.html#g3d2b8a9af65bff5f79d02bda13616767">MOC_Comm</a> comm)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Performs a blocking buffered mode send operation. <a href="#g307bf844e1416c7c021e4a3468209d0b"></a><br></td></tr>
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</table>
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<hr><h2>Function Documentation</h2>
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<a class="anchor" name="g307bf844e1416c7c021e4a3468209d0b"></a><!-- doxytag: member="moc.h::MOC_Bsend" ref="g307bf844e1416c7c021e4a3468209d0b" args="(void *buf, int count, MOC_Datatype datatype, int dest, int tag, MOC_Comm comm)" -->
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<div class="memitem">
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<div class="memproto">
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<td class="memname">int MOC_Bsend </td>
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<td>(</td>
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<td class="paramtype">void * </td>
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<td class="paramname"> <em>buf</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>count</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="../../dc/d6e/group__p2p__datatype.html#gb4e45f15c08578bd3fc97c0cca2a509a">MOC_Datatype</a> </td>
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<td class="paramname"> <em>datatype</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>dest</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>tag</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="../../d1/dd1/group__comm__mgt.html#g3d2b8a9af65bff5f79d02bda13616767">MOC_Comm</a> </td>
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<td class="paramname"> <em>comm</em></td><td> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td><td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>
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Performs a blocking buffered mode send operation.
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<p>
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<dl class="note" compact><dt><b>Note:</b></dt><dd>This routine blocks until the send-buffer is free.</dd></dl>
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<dl compact><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td><b>in</b> Pointer to buffer where data is stored </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>count</em> </td><td><b>in</b> Number of elements to be send (not equal to actual byte-value) </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>datatype</em> </td><td><b>in</b> Type of elements to be send </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>dest</em> </td><td><b>in</b> Rank of receiving process </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>tag</em> </td><td><b>in</b> Tag of message </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>comm</em> </td><td><b>in</b> communicator of message </td></tr>
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</table>
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</dl>
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<dl compact><dt><b>Return values:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>MOC_SUCCESS</em> </td><td>No error; MPI routine completed successfully. </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>...</em> </td><td>error-code </td></tr>
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</table>
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</dl>
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</div>
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</div><p>
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</div>
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<hr size="1"><address style="text-align: right;"><small>Generated on Thu Feb 12 13:48:20 2009 for MPI On Cell (Documentation) by
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<a href="http://www.doxygen.org/index.html">
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<img src="../../doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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