<!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>
distrib
>
Fedora
>
14
>
x86_64
>
media
>
updates
>
by-pkgid
>
6e7a2755bd78c9deedab199b86e675f3
>
files
>
1199
