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<a href="#nested-classes">Data Structures</a> &#124;
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<p>Fast Fourier Transform.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;math.h&gt;</code><br />
<code>#include &lt;stdlib.h&gt;</code><br />
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<p><a href="_f_f_t_8h_source.html">Go to the source code of this file.</a></p>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structcomplex.html">complex</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">a complex number has a real and imaginary part <a href="structcomplex.html#details">More...</a><br /></td></tr>
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#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___math.html#ga598a3330b3c21701223ee0ca14316eca">PI</a>&#160;&#160;&#160;3.14159265358979323846264338327950288</td></tr>
<tr class="memdesc:ga598a3330b3c21701223ee0ca14316eca"><td class="mdescLeft">&#160;</td><td class="mdescRight">PI is ratio of circumference to diameter of a circle. <br /></td></tr>
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typedef struct <a class="el" href="structcomplex.html">complex</a>&#160;</td><td class="memItemRight" valign="bottom"><b>complex_t</b></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ga7e6991842a107b203a304c191d574591"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___math.html#ga7e6991842a107b203a304c191d574591">fft</a> (<a class="el" href="structcomplex.html">complex_t</a> *v, int n, <a class="el" href="structcomplex.html">complex_t</a> *tmp)</td></tr>
<tr class="memdesc:ga7e6991842a107b203a304c191d574591"><td class="mdescLeft">&#160;</td><td class="mdescRight">fft <a href="group___math.html#ga7e6991842a107b203a304c191d574591">More...</a><br /></td></tr>
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<tr class="memitem:ga4ad1f9b6c8ed4f2fdb439e795c3c0e3a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___math.html#ga4ad1f9b6c8ed4f2fdb439e795c3c0e3a">ifft</a> (<a class="el" href="structcomplex.html">complex_t</a> *v, int n, <a class="el" href="structcomplex.html">complex_t</a> *tmp)</td></tr>
<tr class="memdesc:ga4ad1f9b6c8ed4f2fdb439e795c3c0e3a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Inverse fft. <a href="group___math.html#ga4ad1f9b6c8ed4f2fdb439e795c3c0e3a">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Fast Fourier Transform. </p>
<p><a class="el" href="group___math.html#ga7e6991842a107b203a304c191d574591" title="fft">fft()</a> transforms time domain to frequency domain and <a class="el" href="group___math.html#ga4ad1f9b6c8ed4f2fdb439e795c3c0e3a" title="Inverse fft.">ifft()</a> transforms frequency to time domain domain </p><dl class="section version"><dt>Version</dt><dd>TI-RSLK MAX v1.1 </dd></dl>
<dl class="section author"><dt>Author</dt><dd>Daniel Valvano and Jonathan Valvano </dd></dl>
<dl class="section copyright"><dt>Copyright</dt><dd>Copyright 2020 by Jonathan W. Valvano, <a href="#" onclick="location.href='mai'+'lto:'+'val'+'va'+'no@'+'ma'+'il.'+'ut'+'exa'+'s.'+'edu'; return false;">valva<span style="display: none;">.nosp@m.</span>no@m<span style="display: none;">.nosp@m.</span>ail.u<span style="display: none;">.nosp@m.</span>texa<span style="display: none;">.nosp@m.</span>s.edu</a>, </dd></dl>
<dl class="section warning"><dt>Warning</dt><dd>AS-IS </dd></dl>
<dl class="section note"><dt>Note</dt><dd>For more information see <a href="http://users.ece.utexas.edu/~valvano/">http://users.ece.utexas.edu/~valvano/</a> </dd></dl>
<dl class="section date"><dt>Date</dt><dd>July 13, 2020 </dd></dl>
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