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<title>GNU Radio 3.2.2 C++ API: gr_iir_filter_ffd.h File Reference</title>
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<h1>gr_iir_filter_ffd.h File Reference</h1><code>#include <<a class="el" href="gr__sync__block_8h_source.html">gr_sync_block.h</a>></code><br/>
<code>#include <<a class="el" href="gri__iir_8h_source.html">gri_iir.h</a>></code><br/>
<code>#include <stdexcept></code><br/>
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Include dependency graph for gr_iir_filter_ffd.h:</div>
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<p><a href="gr__iir__filter__ffd_8h_source.html">Go to the source code of this file.</a></p>
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<tr><td colspan="2"><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__iir__filter__ffd.html">gr_iir_filter_ffd</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">IIR filter with float input, float output and double tapsThis filter uses the Direct Form I implementation, where <code>fftaps</code> contains the feed-forward taps, and <code>fbtaps</code> the feedback ones. <a href="classgr__iir__filter__ffd.html#_details">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_iir_filter_ffd_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="gr__iir__filter__ffd_8h.html#ac08a7d833832d96349a35afcf4ba8060">gr_make_iir_filter_ffd</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>< double > &fftaps, const <a class="el" href="classstd_1_1vector.html">std::vector</a>< double > &fbtaps) throw (std::invalid_argument)</td></tr>
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<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ac08a7d833832d96349a35afcf4ba8060"></a><!-- doxytag: member="gr_iir_filter_ffd.h::gr_make_iir_filter_ffd" ref="ac08a7d833832d96349a35afcf4ba8060" args="(const std::vector< double > &fftaps, const std::vector< double > &fbtaps)" -->
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<td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">gr_iir_filter_ffd_sptr</a> gr_make_iir_filter_ffd </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< double > & </td>
<td class="paramname"> <em>fftaps</em>, </td>
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<td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< double > & </td>
<td class="paramname"> <em>fbtaps</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td> throw (std::invalid_argument)</td>
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