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<title>GNU Radio 3.3.0 C++ API: gri_fft_filter_ccc_generic Class Reference</title>
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<h1>gri_fft_filter_ccc_generic Class Reference<br/>
<small>
[<a class="el" href="group__filter__blk.html">Filters</a>]</small>
</h1><!-- doxytag: class="gri_fft_filter_ccc_generic" -->
<p>Fast FFT filter with gr_complex input, gr_complex output and gr_complex taps.  
<a href="#_details">More...</a></p>

<p><code>#include &lt;<a class="el" href="gri__fft__filter__ccc__generic_8h_source.html">gri_fft_filter_ccc_generic.h</a>&gt;</code></p>

<p><a href="classgri__fft__filter__ccc__generic-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgri__fft__filter__ccc__generic.html#a3e78461224135ae9518c026655fa8c09">gri_fft_filter_ccc_generic</a> (int decimation, const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> &gt; &amp;<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Construct an FFT filter for complex vectors with the given taps and decimation rate.  <a href="#a3e78461224135ae9518c026655fa8c09"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgri__fft__filter__ccc__generic.html#a7c4ddd33cd0df2d521989bb1882d6129">~gri_fft_filter_ccc_generic</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgri__fft__filter__ccc__generic.html#a9449393637f02769e29fa85c6f3ef90d">set_taps</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> &gt; &amp;<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set new taps for the filter.  <a href="#a9449393637f02769e29fa85c6f3ef90d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgri__fft__filter__ccc__generic.html#a4347433ec06b04a2fc0b0f90639c3fb9">filter</a> (int nitems, const <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> *input, <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> *output)</td></tr>
<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Perform the filter operation.  <a href="#a4347433ec06b04a2fc0b0f90639c3fb9"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Fast FFT filter with gr_complex input, gr_complex output and gr_complex taps. </p>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a3e78461224135ae9518c026655fa8c09"></a><!-- doxytag: member="gri_fft_filter_ccc_generic::gri_fft_filter_ccc_generic" ref="a3e78461224135ae9518c026655fa8c09" args="(int decimation, const std::vector&lt; gr_complex &gt; &amp;taps)" -->
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          <td class="memname">gri_fft_filter_ccc_generic::gri_fft_filter_ccc_generic </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>decimation</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> &gt; &amp;&nbsp;</td>
          <td class="paramname"> <em>taps</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
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<p>Construct an FFT filter for complex vectors with the given taps and decimation rate. </p>
<p>This is the basic implementation for performing FFT filter for fast convolution in other blocks for complex vectors (such as <a class="el" href="classgr__fft__filter__ccc.html" title="Fast FFT filter with gr_complex input, gr_complex output and gr_complex taps.">gr_fft_filter_ccc</a>). </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>decimation</em>&nbsp;</td><td>The decimation rate of the filter (int) </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>taps</em>&nbsp;</td><td>The filter taps (complex) </td></tr>
  </table>
  </dd>
</dl>

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<a class="anchor" id="a7c4ddd33cd0df2d521989bb1882d6129"></a><!-- doxytag: member="gri_fft_filter_ccc_generic::~gri_fft_filter_ccc_generic" ref="a7c4ddd33cd0df2d521989bb1882d6129" args="()" -->
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          <td class="memname">gri_fft_filter_ccc_generic::~gri_fft_filter_ccc_generic </td>
          <td>(</td>
          <td class="paramname"></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a4347433ec06b04a2fc0b0f90639c3fb9"></a><!-- doxytag: member="gri_fft_filter_ccc_generic::filter" ref="a4347433ec06b04a2fc0b0f90639c3fb9" args="(int nitems, const gr_complex *input, gr_complex *output)" -->
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          <td class="memname">int gri_fft_filter_ccc_generic::filter </td>
          <td>(</td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>nitems</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> *&nbsp;</td>
          <td class="paramname"> <em>input</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> *&nbsp;</td>
          <td class="paramname"> <em>output</em></td><td>&nbsp;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td></td>
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<p>Perform the filter operation. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>nitems</em>&nbsp;</td><td>The number of items to produce </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>input</em>&nbsp;</td><td>The input vector to be filtered </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>output</em>&nbsp;</td><td>The result of the filter operation </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="a9449393637f02769e29fa85c6f3ef90d"></a><!-- doxytag: member="gri_fft_filter_ccc_generic::set_taps" ref="a9449393637f02769e29fa85c6f3ef90d" args="(const std::vector&lt; gr_complex &gt; &amp;taps)" -->
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          <td class="memname">int gri_fft_filter_ccc_generic::set_taps </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> &gt; &amp;&nbsp;</td>
          <td class="paramname"> <em>taps</em></td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
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<p>Set new taps for the filter. </p>
<p>Sets new taps and resets the class properties to handle different sizes </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>taps</em>&nbsp;</td><td>The filter taps (complex) </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="gri__fft__filter__ccc__generic_8h_source.html">gri_fft_filter_ccc_generic.h</a></li>
</ul>
</div>
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