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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>init_rs</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Reed-Solomon Library Programming Interface" /><link rel="up" href="ch05.html" title="Chapter 5. Public Functions Provided" /><link rel="prev" href="re02.html" title="free_rs" /><link rel="next" href="re04.html" title="init_rs_non_canonical" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>init_rs</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re02.html">Prev</a> </td><th width="60%" align="center">Chapter 5. Public Functions Provided</th><td width="20%" align="right"> <a accesskey="n" href="re04.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="init_rs"><a id="API-init-rs"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>init_rs —
Find a matching or allocate a new rs control structure
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">struct rs_control * <b class="fsfunc">init_rs </b>(</code></td><td>int <var class="pdparam">symsize</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">gfpoly</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">fcr</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">prim</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">nroots</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3028018"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>symsize</code></em></span></dt><dd><p>
the symbol size (number of bits)
</p></dd><dt><span class="term"><em class="parameter"><code>gfpoly</code></em></span></dt><dd><p>
the extended Galois field generator polynomial coefficients,
with the 0th coefficient in the low order bit. The polynomial
must be primitive;
</p></dd><dt><span class="term"><em class="parameter"><code>fcr</code></em></span></dt><dd><p>
the first consecutive root of the rs code generator polynomial
in index form
</p></dd><dt><span class="term"><em class="parameter"><code>prim</code></em></span></dt><dd><p>
primitive element to generate polynomial roots
</p></dd><dt><span class="term"><em class="parameter"><code>nroots</code></em></span></dt><dd><p>
RS code generator polynomial degree (number of roots)
</p></dd></dl></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re02.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re04.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>free_rs</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>init_rs_non_canonical</span></td></tr></table></div></body></html>
