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Next: <a href="Standalone-Programs.html#Standalone-Programs" accesskey="n" rel="next">Standalone Programs</a>, Previous: <a href="Oct_002dFiles.html#Oct_002dFiles" accesskey="p" rel="prev">Oct-Files</a>, Up: <a href="External-Code-Interface.html#External-Code-Interface" accesskey="u" rel="up">External Code Interface</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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<h3 class="section">A.2 Mex-Files</h3>
<a name="index-mex_002dfiles"></a>
<a name="index-mex"></a>
<p>Octave includes an interface to allow legacy mex-files to be compiled and used
with Octave. This interface can also be used to share compiled code between
Octave and <small>MATLAB</small> users. However, as mex-files expose <small>MATLAB</small>’s
internal API, and the internal structure of Octave is different, a mex-file can
never have the same performance in Octave as the equivalent oct-file. In
particular, to support the manner in which variables are passed to mex
functions there are a significant number of additional copies of memory blocks
when invoking or returning from a mex-file function. For this reason, it is
recommended that any new code be written with the oct-file interface previously
discussed.
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<tr><td align="left" valign="top">• <a href="Getting-Started-with-Mex_002dFiles.html#Getting-Started-with-Mex_002dFiles" accesskey="1">Getting Started with Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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<tr><td align="left" valign="top">• <a href="Working-with-Matrices-and-Arrays-in-Mex_002dFiles.html#Working-with-Matrices-and-Arrays-in-Mex_002dFiles" accesskey="2">Working with Matrices and Arrays in Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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<tr><td align="left" valign="top">• <a href="Character-Strings-in-Mex_002dFiles.html#Character-Strings-in-Mex_002dFiles" accesskey="3">Character Strings in Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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<tr><td align="left" valign="top">• <a href="Cell-Arrays-with-Mex_002dFiles.html#Cell-Arrays-with-Mex_002dFiles" accesskey="4">Cell Arrays with Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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<tr><td align="left" valign="top">• <a href="Structures-with-Mex_002dFiles.html#Structures-with-Mex_002dFiles" accesskey="5">Structures with Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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<tr><td align="left" valign="top">• <a href="Sparse-Matrices-with-Mex_002dFiles.html#Sparse-Matrices-with-Mex_002dFiles" accesskey="6">Sparse Matrices with Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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<tr><td align="left" valign="top">• <a href="Calling-Other-Functions-in-Mex_002dFiles.html#Calling-Other-Functions-in-Mex_002dFiles" accesskey="7">Calling Other Functions in Mex-Files</a>:</td><td> </td><td align="left" valign="top">
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