Sophie

Sophie

distrib > Fedora > 14 > x86_64 > media > updates > by-pkgid > 6e7a2755bd78c9deedab199b86e675f3 > files > 1059

gnuradio-doc-3.2.2-9.fc14.x86_64.rpm

<!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_ccf_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__ccf__simd.html','');
</script>
<div id="doc-content">
<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-types">Protected Types</a> &#124;
<a href="#pro-attribs">Protected Attributes</a>  </div>
  <div class="headertitle">
<h1>gr_fir_ccf_simd Class Reference</h1>  </div>
</div>
<div class="contents">
<!-- doxytag: class="gr_fir_ccf_simd" --><!-- doxytag: inherits="gr_fir_ccf_generic" -->
<p>common base class for SIMD versions of <a class="el" href="classgr__fir__ccf.html" title="Abstract class for FIR with gr_complex input, gr_complex output and float tapsThis is the abstract cl...">gr_fir_ccf</a>This base class handles alignment issues common to SSE and 3DNOW subclasses.  
<a href="#_details">More...</a></p>

<p><code>#include &lt;<a class="el" href="gr__fir__ccf__simd_8h_source.html">gr_fir_ccf_simd.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for gr_fir_ccf_simd:</div>
<div class="dyncontent">
<div class="center"><img src="classgr__fir__ccf__simd__inherit__graph.png" border="0" usemap="#gr__fir__ccf__simd_inherit__map" alt="Inheritance graph"/></div>
<map name="gr__fir__ccf__simd_inherit__map" id="gr__fir__ccf__simd_inherit__map">
<area shape="rect" id="node7" href="classgr__fir__ccf__3dnow.html" title="3DNow! version of gr_fir_ccf" alt="" coords="5,237,125,267"/><area shape="rect" id="node9" href="classgr__fir__ccf__sse.html" title="SSE version of gr_fir_ccf." alt="" coords="149,237,253,267"/><area shape="rect" id="node2" href="classgr__fir__ccf__generic.html" title="Concrete class for generic implementation of FIR with gr_complex input, gr_complex output and float t..." alt="" coords="71,83,196,112"/><area shape="rect" id="node4" href="classgr__fir__ccf.html" title="Abstract class for FIR with gr_complex input, gr_complex output and float tapsThis is the abstract cl..." alt="" coords="96,5,171,35"/></map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>

<p><a href="classgr__fir__ccf__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">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#a9c8229586ed0a73d176c0960feb90531">gr_fir_ccf_simd</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#ae6af6ec1bf4f676d0a1a3c2acd744285">gr_fir_ccf_simd</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; float &gt; &amp;<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#a233af35deedb8f55261421089c923e73">~gr_fir_ccf_simd</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#a970d13e317fa6471e65da3bcd94a2e24">set_taps</a> (const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; float &gt; &amp;<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">install <code>new_taps</code> as the current taps.  <a href="#a970d13e317fa6471e65da3bcd94a2e24"></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>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#a8acdb63d025f11d8f028565c68f03bc0">filter</a> (const <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> input[])</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">compute a single output value.  <a href="#a8acdb63d025f11d8f028565c68f03bc0"></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(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#abcf7817f4bfed0daf6111c7a238859a2">fcomplex_dotprod_t</a> )(const float *<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>, const float *input, 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 *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#a21b414b07a0353484e342e1e96216bd0">d_aligned_taps</a> [4]</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classgr__fir__ccf__simd.html#abcf7817f4bfed0daf6111c7a238859a2">fcomplex_dotprod_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__fir__ccf__simd.html#a1f38cc30575580de30009fc8b50e9640">d_fcomplex_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__ccf.html" title="Abstract class for FIR with gr_complex input, gr_complex output and float tapsThis is the abstract cl...">gr_fir_ccf</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="abcf7817f4bfed0daf6111c7a238859a2"></a><!-- doxytag: member="gr_fir_ccf_simd::fcomplex_dotprod_t" ref="abcf7817f4bfed0daf6111c7a238859a2" args=")(const float *taps, const float *input, 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__ccf__simd.html#abcf7817f4bfed0daf6111c7a238859a2">gr_fir_ccf_simd::fcomplex_dotprod_t</a>)(const float *<a class="el" href="interpolator__taps_8h.html#a30bf032e13c2a9fc4a98e14e390cd65a">taps</a>, const float *input, unsigned n_2_complex_blocks, float *result)<code> [protected]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

</div>
</div>
<hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a9c8229586ed0a73d176c0960feb90531"></a><!-- doxytag: member="gr_fir_ccf_simd::gr_fir_ccf_simd" ref="a9c8229586ed0a73d176c0960feb90531" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">gr_fir_ccf_simd::gr_fir_ccf_simd </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

</div>
</div>
<a class="anchor" id="ae6af6ec1bf4f676d0a1a3c2acd744285"></a><!-- doxytag: member="gr_fir_ccf_simd::gr_fir_ccf_simd" ref="ae6af6ec1bf4f676d0a1a3c2acd744285" args="(const std::vector&lt; float &gt; &amp;taps)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">gr_fir_ccf_simd::gr_fir_ccf_simd </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; float &gt; &amp;&#160;</td>
          <td class="paramname"><em>taps</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

</div>
</div>
<a class="anchor" id="a233af35deedb8f55261421089c923e73"></a><!-- doxytag: member="gr_fir_ccf_simd::~gr_fir_ccf_simd" ref="a233af35deedb8f55261421089c923e73" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">gr_fir_ccf_simd::~gr_fir_ccf_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="a8acdb63d025f11d8f028565c68f03bc0"></a><!-- doxytag: member="gr_fir_ccf_simd::filter" ref="a8acdb63d025f11d8f028565c68f03bc0" args="(const gr_complex 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_ccf_simd::filter </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a>&#160;</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__ccf.html#a03fb8ba5795cd467c6bd6314ac4a4d78">ntaps()</a> valid entries. input[0] .. input[<a class="el" href="classgr__fir__ccf.html#a03fb8ba5795cd467c6bd6314ac4a4d78">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__ccf__generic.html#aa3965e06fadc82c0ffde8949842b6088">gr_fir_ccf_generic</a>.</p>

</div>
</div>
<a class="anchor" id="a970d13e317fa6471e65da3bcd94a2e24"></a><!-- doxytag: member="gr_fir_ccf_simd::set_taps" ref="a970d13e317fa6471e65da3bcd94a2e24" args="(const std::vector&lt; float &gt; &amp;taps)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">virtual void gr_fir_ccf_simd::set_taps </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>&lt; float &gt; &amp;&#160;</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__ccf.html#afaa800d2c0901730c37101bdfff9386d">gr_fir_ccf</a>.</p>

</div>
</div>
<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a21b414b07a0353484e342e1e96216bd0"></a><!-- doxytag: member="gr_fir_ccf_simd::d_aligned_taps" ref="a21b414b07a0353484e342e1e96216bd0" args="[4]" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">float* <a class="el" href="classgr__fir__ccf__simd.html#a21b414b07a0353484e342e1e96216bd0">gr_fir_ccf_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="a1f38cc30575580de30009fc8b50e9640"></a><!-- doxytag: member="gr_fir_ccf_simd::d_fcomplex_dotprod" ref="a1f38cc30575580de30009fc8b50e9640" args="" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="classgr__fir__ccf__simd.html#abcf7817f4bfed0daf6111c7a238859a2">fcomplex_dotprod_t</a> <a class="el" href="classgr__fir__ccf__simd.html#a1f38cc30575580de30009fc8b50e9640">gr_fir_ccf_simd::d_fcomplex_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__ccf__simd_8h_source.html">gr_fir_ccf_simd.h</a></li>
</ul>
</div>
</div>
  <div id="nav-path" class="navpath">
    <ul>
      <li class="navelem"><a class="el" href="classgr__fir__ccf__simd.html">gr_fir_ccf_simd</a>      </li>
      <li class="footer">Generated on Thu Feb 17 2011 for GNU Radio 3.2.2 C++ API by&#160;
<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>