<!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 3.2.2 C++ API: gr_fir_scc_simd Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">GNU Radio 3.2.2 C++ API</div> </td> </tr> </tbody> </table> </div> </div> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> initNavTree('classgr__fir__scc__simd.html',''); </script> <div id="doc-content"> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pro-types">Protected Types</a> | <a href="#pro-attribs">Protected Attributes</a> </div> <div class="headertitle"> <h1>gr_fir_scc_simd Class Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="gr_fir_scc_simd" --><!-- doxytag: inherits="gr_fir_scc_generic" --> <p>common base class for SIMD versions of <a class="el" href="classgr__fir__scc.html" title="Abstract class for FIR with short input, gr_complex output and gr_complex tapsThis is the abstract cl...">gr_fir_scc</a>This base class handles alignment issues common to SSE and 3DNOW subclasses. <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="gr__fir__scc__simd_8h_source.html">gr_fir_scc_simd.h</a>></code></p> <div class="dynheader"> Inheritance diagram for gr_fir_scc_simd:</div> <div class="dyncontent"> <div class="center"><img src="classgr__fir__scc__simd__inherit__graph.png" border="0" usemap="#gr__fir__scc__simd_inherit__map" alt="Inheritance graph"/></div> <map name="gr__fir__scc__simd_inherit__map" id="gr__fir__scc__simd_inherit__map"> <area shape="rect" id="node7" href="classgr__fir__scc__3dnow.html" title="3DNow! version of gr_fir_scc" alt="" coords="5,237,128,267"/><area shape="rect" id="node9" href="classgr__fir__scc__3dnowext.html" title="3DNow! Ext version of gr_fir_scc" alt="" coords="152,237,293,267"/><area shape="rect" id="node11" href="classgr__fir__scc__sse.html" title="SSE version of gr_fir_scc." alt="" coords="317,237,424,267"/><area shape="rect" id="node2" href="classgr__fir__scc__generic.html" title="Concrete class for generic implementation of FIR with short input, gr_complex output and gr_complex t..." alt="" coords="159,83,287,112"/><area shape="rect" id="node4" href="classgr__fir__scc.html" title="Abstract class for FIR with short input, gr_complex output and gr_complex tapsThis is the abstract cl..." alt="" coords="184,5,261,35"/></map> <center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div> <p><a href="classgr__fir__scc__simd-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> 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__scc__simd.html#accb2a83b2dcb744fe058da8d4485ee94">gr_fir_scc_simd</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a97dcb5d2fc1678e9d8baf4b3e66051bc">gr_fir_scc_simd</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>< <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> > &<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a3b75bbd22e2b42fa2064f5125cead698">~gr_fir_scc_simd</a> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a6a1af670f1fde60d3b85c414df763ef5">set_taps</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>< <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> > &<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">install <code>new_taps</code> as the current taps. <a href="#a6a1af670f1fde60d3b85c414df763ef5"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a0c9892233109886cd83542b2fa6f4572">filter</a> (const short input[])</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">compute a single output value. <a href="#a0c9892233109886cd83542b2fa6f4572"></a><br/></td></tr> <tr><td colspan="2"><h2><a name="pro-types"></a> Protected Types</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a793865e6cbacb81138ee16ed48cc7b29">complex_dotprod_t</a> )(const short *input, const float *<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>, unsigned n_2_complex_blocks, float *result)</td></tr> <tr><td colspan="2"><h2><a name="pro-attribs"></a> Protected Attributes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">float * </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a71ebfd747c232ea9534561c9f22c115a">d_aligned_taps</a> [4]</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgr__fir__scc__simd.html#a793865e6cbacb81138ee16ed48cc7b29">complex_dotprod_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__scc__simd.html#a3bc01eb6eaed710b294202f2d6e2a3b1">d_complex_dotprod</a></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p>common base class for SIMD versions of <a class="el" href="classgr__fir__scc.html" title="Abstract class for FIR with short input, gr_complex output and gr_complex tapsThis is the abstract cl...">gr_fir_scc</a></p> <p>This base class handles alignment issues common to SSE and 3DNOW subclasses. </p> </div><hr/><h2>Member Typedef Documentation</h2> <a class="anchor" id="a793865e6cbacb81138ee16ed48cc7b29"></a><!-- doxytag: member="gr_fir_scc_simd::complex_dotprod_t" ref="a793865e6cbacb81138ee16ed48cc7b29" args=")(const short *input, const float *taps, unsigned n_2_complex_blocks, float *result)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">typedef void(* <a class="el" href="classgr__fir__scc__simd.html#a793865e6cbacb81138ee16ed48cc7b29">gr_fir_scc_simd::complex_dotprod_t</a>)(const short *input, const float *<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>, unsigned n_2_complex_blocks, float *result)<code> [protected]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/><h2>Constructor & Destructor Documentation</h2> <a class="anchor" id="accb2a83b2dcb744fe058da8d4485ee94"></a><!-- doxytag: member="gr_fir_scc_simd::gr_fir_scc_simd" ref="accb2a83b2dcb744fe058da8d4485ee94" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">gr_fir_scc_simd::gr_fir_scc_simd </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <a class="anchor" id="a97dcb5d2fc1678e9d8baf4b3e66051bc"></a><!-- doxytag: member="gr_fir_scc_simd::gr_fir_scc_simd" ref="a97dcb5d2fc1678e9d8baf4b3e66051bc" args="(const std::vector< gr_complex > &taps)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">gr_fir_scc_simd::gr_fir_scc_simd </td> <td>(</td> <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> > & </td> <td class="paramname"><em>taps</em></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <a class="anchor" id="a3b75bbd22e2b42fa2064f5125cead698"></a><!-- doxytag: member="gr_fir_scc_simd::~gr_fir_scc_simd" ref="a3b75bbd22e2b42fa2064f5125cead698" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">gr_fir_scc_simd::~gr_fir_scc_simd </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a0c9892233109886cd83542b2fa6f4572"></a><!-- doxytag: member="gr_fir_scc_simd::filter" ref="a0c9892233109886cd83542b2fa6f4572" args="(const short input[])" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> gr_fir_scc_simd::filter </td> <td>(</td> <td class="paramtype">const short </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__scc.html#a46c990dc7c764b50b1fcffdb15b9d0b0">ntaps()</a> valid entries. input[0] .. input[<a class="el" href="classgr__fir__scc.html#a46c990dc7c764b50b1fcffdb15b9d0b0">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>Reimplemented from <a class="el" href="classgr__fir__scc__generic.html#ae7edfaf21a3369981d92cae952e775a7">gr_fir_scc_generic</a>.</p> </div> </div> <a class="anchor" id="a6a1af670f1fde60d3b85c414df763ef5"></a><!-- doxytag: member="gr_fir_scc_simd::set_taps" ref="a6a1af670f1fde60d3b85c414df763ef5" args="(const std::vector< gr_complex > &taps)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual void gr_fir_scc_simd::set_taps </td> <td>(</td> <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> > & </td> <td class="paramname"><em>taps</em></td><td>)</td> <td><code> [virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>install <code>new_taps</code> as the current taps. </p> <p>Reimplemented from <a class="el" href="classgr__fir__scc.html#a1404a3100e262622de0ba450a4256462">gr_fir_scc</a>.</p> </div> </div> <hr/><h2>Member Data Documentation</h2> <a class="anchor" id="a71ebfd747c232ea9534561c9f22c115a"></a><!-- doxytag: member="gr_fir_scc_simd::d_aligned_taps" ref="a71ebfd747c232ea9534561c9f22c115a" args="[4]" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">float* <a class="el" href="classgr__fir__scc__simd.html#a71ebfd747c232ea9534561c9f22c115a">gr_fir_scc_simd::d_aligned_taps</a>[4]<code> [protected]</code></td> </tr> </table> </div> <div class="memdoc"> <p><code>aligned_taps</code> holds 4 copies of the coefficients preshifted by 0, 1, 2, or 3 float pairs to meet all possible input data alignments. This allows us to always fetch data and taps that are 128-bit aligned. </p> </div> </div> <a class="anchor" id="a3bc01eb6eaed710b294202f2d6e2a3b1"></a><!-- doxytag: member="gr_fir_scc_simd::d_complex_dotprod" ref="a3bc01eb6eaed710b294202f2d6e2a3b1" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="classgr__fir__scc__simd.html#a793865e6cbacb81138ee16ed48cc7b29">complex_dotprod_t</a> <a class="el" href="classgr__fir__scc__simd.html#a3bc01eb6eaed710b294202f2d6e2a3b1">gr_fir_scc_simd::d_complex_dotprod</a><code> [protected]</code></td> </tr> </table> </div> <div class="memdoc"> </div> </div> <hr/>The documentation for this class was generated from the following file:<ul> <li><a class="el" href="gr__fir__scc__simd_8h_source.html">gr_fir_scc_simd.h</a></li> </ul> </div> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="classgr__fir__scc__simd.html">gr_fir_scc_simd</a> </li> <li class="footer">Generated on Thu Feb 17 2011 for GNU Radio 3.2.2 C++ API by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </li> </ul> </div> </body> </html>