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  • library/doc/html/mexfiles.html

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    35<title>mixpp: How to write and use mex files for Matlab</title> 
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    62 <h1><a class="anchor" name="mexfiles">How to write and use mex files for Matlab </a></h1><h2><a class="anchor" name="use"> 
     65 
     66 
     67<h1><a class="anchor" id="mexfiles">How to write and use mex files for Matlab </a></h1><h2><a class="anchor" id="use"> 
    6368Howto use predefined mexfiles</a></h2> 
    64 A range of mexfiles is predefined in directory <code>library/mex</code>. Many of these mexfile process ui files (see <a class="el" href="ui_page.html">User Infos and their use</a>) examples of these files are in directory <code>library/tutorial</code>. Note that in order to run these files you need to let matlab know where to find them: <div class="fragment"><pre class="fragment">&gt;&gt; addpath path_to_bdm/library/mex 
    65 </pre></div><p> 
    66 Then, you can go to <code>library/tutorial</code> and run e.g. <code>arx_test_mex</code>.<h2><a class="anchor" name="write"> 
     69<p>A range of mexfiles is predefined in directory <code>library/mex</code>. Many of these mexfile process ui files (see <a class="el" href="ui_page.html">User Infos and their use</a>) examples of these files are in directory <code>library/tutorial</code>. Note that in order to run these files you need to let matlab know where to find them: </p> 
     70<div class="fragment"><pre class="fragment">&gt;&gt; addpath path_to_bdm/library/mex 
     71</pre></div><p>Then, you can go to <code>library/tutorial</code> and run e.g. <code>arx_test_mex</code>.</p> 
     72<h2><a class="anchor" id="write"> 
    6773Howto write custom mex file</a></h2> 
    68 Due to special nature of the mex files, the mex file can be split in three parts: <ul> 
     74<p>Due to special nature of the mex files, the mex file can be split in three parts: </p> 
     75<ul> 
    6976<li>input conversion, where input arguments are converted to IT++ structures, </li> 
    7077<li>main body of algorithm, where any C++ bdm constructions can be used, </li> 
    7178<li>output conversion, where resulting IT++ structures are converted to mxArrays.</li> 
    7279</ul> 
    73 The first and the third part is achieved using prepared IT++ routines, see IT++ documentation.<p> 
    74 Script <code></code>./buildmex is prepared to compile and link the mexfile with bdm. <div class="fragment"><pre class="fragment">$ ./buildmex.sh my_mex_file.cpp 
    75 </pre></div> on Linux, or <div class="fragment"><pre class="fragment">$ ./buildmex.bat my_mex_file.cpp 
    76 </pre></div> on Windows.<p> 
    77 Example of a mexfile: <div class="fragment"><pre class="fragment"></pre></div> </div> 
    78 <hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 29 20:49:42 2009 for mixpp by&nbsp; 
     80<p>The first and the third part is achieved using prepared IT++ routines, see IT++ documentation.</p> 
     81<p>Script <code></code>./buildmex is prepared to compile and link the mexfile with bdm. </p> 
     82<div class="fragment"><pre class="fragment">$ ./buildmex.sh my_mex_file.cpp 
     83</pre></div><p> on Linux, or </p> 
     84<div class="fragment"><pre class="fragment">$ ./buildmex.bat my_mex_file.cpp 
     85</pre></div><p> on Windows.</p> 
     86<p>Example of a mexfile: </p> 
     87<div class="fragment"><pre class="fragment"></pre></div> </div> 
     88<hr size="1"/><address style="text-align: right;"><small>Generated on Sun Aug 30 22:10:50 2009 for mixpp by&nbsp; 
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