<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>GNU Radio 3.3.0 C++ API: gr_fir_fff_generic Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.3 --> <div class="contents"> <h1>gr_fir_fff_generic Class Reference</h1><!-- doxytag: class="gr_fir_fff_generic" --><!-- doxytag: inherits="gr_fir_fff" --> <p>Concrete class for generic implementation of FIR with float input, float output and float taps. <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="gr__fir__fff__generic_8h_source.html">gr_fir_fff_generic.h</a>></code></p> <div class="dynheader"> Inheritance diagram for gr_fir_fff_generic:</div> <div class="dynsection"> <div class="center"><img src="classgr__fir__fff__generic__inherit__graph.png" border="0" usemap="#gr__fir__fff__generic_inherit__map" alt="Inheritance graph"/></div> <map name="gr__fir__fff__generic_inherit__map" id="gr__fir__fff__generic_inherit__map"> <area shape="rect" id="node5" href="classgr__fir__fff__altivec.html" title="altivec version of gr_fir_fff" alt="" coords="5,160,120,189"/><area shape="rect" id="node7" href="classgr__fir__fff__armv7__a.html" title="armv7_a using NEON coprocessor version of gr_fir_fff" alt="" coords="144,160,269,189"/><area shape="rect" id="node9" href="classgr__fir__fff__simd.html" title="common base class for SIMD versions of gr_fir_fffThis base class handles alignment..." alt="" coords="293,160,397,189"/><area shape="rect" id="node2" href="classgr__fir__fff.html" title="Abstract class for FIR with float input, float output and float tapsThis is the abstract..." alt="" coords="172,5,241,35"/><area shape="rect" id="node11" href="classgr__fir__fff__3dnow.html" title="3DNow! version of gr_fir_fff" alt="" coords="223,237,337,267"/><area shape="rect" id="node13" href="classgr__fir__fff__sse.html" title="SSE version of gr_fir_fff." alt="" coords="361,237,460,267"/></map> <center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div> <p><a href="classgr__fir__fff__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"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__fff__generic.html#a9499e5c3163a6ff74ab8c9df503b775e">gr_fir_fff_generic</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__fff__generic.html#a9ce7456c777a58bb2ecbe6e1343c1be6">gr_fir_fff_generic</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>< float > &<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual float </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__fff__generic.html#a9c78953f14ec2db18421d53309ab2541">filter</a> (const float input[])</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">compute a single output value. <a href="#a9c78953f14ec2db18421d53309ab2541"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__fff__generic.html#a7e3e776a481dabaf2511e8c1cb70dcc4">filterN</a> (float output[], const float input[], unsigned long n)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">compute an array of N output values. <a href="#a7e3e776a481dabaf2511e8c1cb70dcc4"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__fff__generic.html#aad21a689717ce5e0f1fd7bcdd798ca49">filterNdec</a> (float output[], const float input[], unsigned long n, unsigned decimate)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">compute an array of N output values, decimating the input <a href="#aad21a689717ce5e0f1fd7bcdd798ca49"></a><br/></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p>Concrete class for generic implementation of FIR with float input, float output and float taps. </p> <p>The trailing suffix has the form _IOT where I codes the input type, O codes the output type, and T codes the tap type. I,O,T are elements of the set 's' (short), 'f' (float), 'c' (gr_complex), 'i' (int) </p> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="a9499e5c3163a6ff74ab8c9df503b775e"></a><!-- doxytag: member="gr_fir_fff_generic::gr_fir_fff_generic" ref="a9499e5c3163a6ff74ab8c9df503b775e" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">gr_fir_fff_generic::gr_fir_fff_generic </td> <td>(</td> <td class="paramname"></td> <td> ) </td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <a class="anchor" id="a9ce7456c777a58bb2ecbe6e1343c1be6"></a><!-- doxytag: member="gr_fir_fff_generic::gr_fir_fff_generic" ref="a9ce7456c777a58bb2ecbe6e1343c1be6" args="(const std::vector< float > &taps)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">gr_fir_fff_generic::gr_fir_fff_generic </td> <td>(</td> <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< float > & </td> <td class="paramname"> <em>taps</em></td> <td> ) </td> <td><code> [inline]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a9c78953f14ec2db18421d53309ab2541"></a><!-- doxytag: member="gr_fir_fff_generic::filter" ref="a9c78953f14ec2db18421d53309ab2541" args="(const float input[])" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual float gr_fir_fff_generic::filter </td> <td>(</td> <td class="paramtype">const float </td> <td class="paramname"> <em>input</em>[]</td> <td> ) </td> <td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>compute a single output value. </p> <p><code>input</code> must have <a class="el" href="classgr__fir__fff.html#ac199a4f381799624a28559c9d8f76826">ntaps()</a> valid entries. input[0] .. input[<a class="el" href="classgr__fir__fff.html#ac199a4f381799624a28559c9d8f76826">ntaps()</a> - 1] are referenced to compute the output value.</p> <dl class="return"><dt><b>Returns:</b></dt><dd>the filtered input value. </dd></dl> <p>Implements <a class="el" href="classgr__fir__fff.html#aea3a56a189c75c3752900d05a5b627d3">gr_fir_fff</a>.</p> <p>Reimplemented in <a class="el" href="classgr__fir__fff__altivec.html#aa1b8a9d8435b82e208047ab6b79d05be">gr_fir_fff_altivec</a>, <a class="el" href="classgr__fir__fff__armv7__a.html#aab3ad9afac32fc42b770ba89a3df0adb">gr_fir_fff_armv7_a</a>, and <a class="el" href="classgr__fir__fff__simd.html#af7851e658801505687df0f94f85fb34a">gr_fir_fff_simd</a>.</p> </div> </div> <a class="anchor" id="a7e3e776a481dabaf2511e8c1cb70dcc4"></a><!-- doxytag: member="gr_fir_fff_generic::filterN" ref="a7e3e776a481dabaf2511e8c1cb70dcc4" args="(float output[], const float input[], unsigned long n)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void gr_fir_fff_generic::filterN </td> <td>(</td> <td class="paramtype">float </td> <td class="paramname"> <em>output</em>[], </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const float </td> <td class="paramname"> <em>input</em>[], </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned long </td> <td class="paramname"> <em>n</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>compute an array of N output values. </p> <p><code>input</code> must have (n - 1 + <a class="el" href="classgr__fir__fff.html#ac199a4f381799624a28559c9d8f76826">ntaps()</a>) valid entries. input[0] .. input[n - 1 + <a class="el" href="classgr__fir__fff.html#ac199a4f381799624a28559c9d8f76826">ntaps()</a> - 1] are referenced to compute the output values. </p> <p>Implements <a class="el" href="classgr__fir__fff.html#ad53a1e12dd89e647fdbeea37691df85a">gr_fir_fff</a>.</p> </div> </div> <a class="anchor" id="aad21a689717ce5e0f1fd7bcdd798ca49"></a><!-- doxytag: member="gr_fir_fff_generic::filterNdec" ref="aad21a689717ce5e0f1fd7bcdd798ca49" args="(float output[], const float input[], unsigned long n, unsigned decimate)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void gr_fir_fff_generic::filterNdec </td> <td>(</td> <td class="paramtype">float </td> <td class="paramname"> <em>output</em>[], </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const float </td> <td class="paramname"> <em>input</em>[], </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned long </td> <td class="paramname"> <em>n</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned </td> <td class="paramname"> <em>decimate</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>compute an array of N output values, decimating the input </p> <p><code>input</code> must have (decimate * (n - 1) + <a class="el" href="classgr__fir__fff.html#ac199a4f381799624a28559c9d8f76826">ntaps()</a>) valid entries. input[0] .. input[decimate * (n - 1) + <a class="el" href="classgr__fir__fff.html#ac199a4f381799624a28559c9d8f76826">ntaps()</a> - 1] are referenced to compute the output values. </p> <p>Implements <a class="el" href="classgr__fir__fff.html#a930255550bf68802cd694fe79091738f">gr_fir_fff</a>.</p> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="gr__fir__fff__generic_8h_source.html">gr_fir_fff_generic.h</a></li> </ul> </div> <hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Dec 29 19:52:44 2010 for GNU Radio 3.3.0 C++ API by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address> </body> </html>