<!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_moving_average_ii 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_moving_average_ii Class Reference<br/>
<small>
[<a class="el" href="group__filter__blk.html">Filters</a>]</small>
</h1><!-- doxytag: class="gr_moving_average_ii" --><!-- doxytag: inherits="gr_sync_block" -->
<p>output is the moving sum of the last N samples, scaled by the scale factormax_iter limits how long we go without flushing the accumulator This is necessary to avoid numerical instability for float and complex.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="gr__moving__average__ii_8h_source.html">gr_moving_average_ii.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for gr_moving_average_ii:</div>
<div class="dynsection">
<div class="center"><img src="classgr__moving__average__ii__inherit__graph.png" border="0" usemap="#gr__moving__average__ii_inherit__map" alt="Inheritance graph"/></div>
<map name="gr__moving__average__ii_inherit__map" id="gr__moving__average__ii_inherit__map">
<area shape="rect" id="node2" href="classgr__sync__block.html" title="synchronous 1:1 input to output with historyOverride work to provide the signal processing..." alt="" coords="25,315,132,344"/><area shape="rect" id="node4" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing..." alt="" coords="44,237,113,267"/><area shape="rect" id="node6" href="classgr__basic__block.html" title="The abstract base class for all signal processing blocks.Basic blocks are the bare..." alt="" coords="24,160,133,189"/><area shape="rect" id="node8" href="classgr__msg__accepter.html" title="Accepts messages and inserts them into a message queue, then notifies subclass gr_basic_block..." alt="" coords="17,83,140,112"/><area shape="rect" id="node10" href="classgruel_1_1msg__accepter.html" title="Virtual base class that accepts messages." alt="" coords="9,5,148,35"/></map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classgr__moving__average__ii-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__moving__average__ii.html#a30389c770ab068b1e42dad26177ecd30">~gr_moving_average_ii</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__moving__average__ii.html#adb290e72404a9df42fb85c65cad503da">work</a> (int noutput_items, <a class="el" href="classstd_1_1vector.html">gr_vector_const_void_star</a> &input_items, <a class="el" href="classstd_1_1vector.html">gr_vector_void_star</a> &output_items)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">just like <a class="el" href="classgr__block.html#a137b93d87dc83bbdb6369d33f4ea8197" title="compute output items from input items">gr_block::general_work</a>, only this arranges to call consume_each for you <a href="#adb290e72404a9df42fb85c65cad503da"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__moving__average__ii.html#a94a4477e9e985fa0e4e4ec277fff1517">length</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__moving__average__ii.html#a4208e82d749adf631c354606d7db12ed">scale</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__moving__average__ii.html#aee49f8807c36d7cc7ab2876125d946c8">set_length_and_scale</a> (int length, int scale)</td></tr>
<tr><td colspan="2"><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classboost_1_1shared__ptr.html">gr_moving_average_ii_sptr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classgr__moving__average__ii.html#ac28a65e2a214d89030f11f9693835ad4">gr_make_moving_average_ii</a> (int length, int scale, int max_iter)</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>output is the moving sum of the last N samples, scaled by the scale factor</p>
<p>max_iter limits how long we go without flushing the accumulator This is necessary to avoid numerical instability for float and complex. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a30389c770ab068b1e42dad26177ecd30"></a><!-- doxytag: member="gr_moving_average_ii::~gr_moving_average_ii" ref="a30389c770ab068b1e42dad26177ecd30" args="()" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">gr_moving_average_ii::~gr_moving_average_ii </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="a94a4477e9e985fa0e4e4ec277fff1517"></a><!-- doxytag: member="gr_moving_average_ii::length" ref="a94a4477e9e985fa0e4e4ec277fff1517" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int gr_moving_average_ii::length </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="a4208e82d749adf631c354606d7db12ed"></a><!-- doxytag: member="gr_moving_average_ii::scale" ref="a4208e82d749adf631c354606d7db12ed" args="() const " -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int gr_moving_average_ii::scale </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="aee49f8807c36d7cc7ab2876125d946c8"></a><!-- doxytag: member="gr_moving_average_ii::set_length_and_scale" ref="aee49f8807c36d7cc7ab2876125d946c8" args="(int length, int scale)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void gr_moving_average_ii::set_length_and_scale </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>length</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>scale</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
</div>
</div>
<a class="anchor" id="adb290e72404a9df42fb85c65cad503da"></a><!-- doxytag: member="gr_moving_average_ii::work" ref="adb290e72404a9df42fb85c65cad503da" args="(int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">int gr_moving_average_ii::work </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>noutput_items</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classstd_1_1vector.html">gr_vector_const_void_star</a> & </td>
<td class="paramname"> <em>input_items</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classstd_1_1vector.html">gr_vector_void_star</a> & </td>
<td class="paramname"> <em>output_items</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>just like <a class="el" href="classgr__block.html#a137b93d87dc83bbdb6369d33f4ea8197" title="compute output items from input items">gr_block::general_work</a>, only this arranges to call consume_each for you </p>
<p>The user must override work to define the signal processing code </p>
<p>Implements <a class="el" href="classgr__sync__block.html#a0c523f4285a6eb690f677ee6295ab117">gr_sync_block</a>.</p>
</div>
</div>
<hr/><h2>Friends And Related Function Documentation</h2>
<a class="anchor" id="ac28a65e2a214d89030f11f9693835ad4"></a><!-- doxytag: member="gr_moving_average_ii::gr_make_moving_average_ii" ref="ac28a65e2a214d89030f11f9693835ad4" args="(int length, int scale, int max_iter)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="classboost_1_1shared__ptr.html">gr_moving_average_ii_sptr</a> gr_make_moving_average_ii </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"> <em>length</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>scale</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>max_iter</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [friend]</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__moving__average__ii_8h_source.html">gr_moving_average_ii.h</a></li>
</ul>
</div>
<hr class="footer"/><address style="text-align: right;"><small>Generated on Wed Dec 29 19:52:49 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>
distrib
>
Mandriva
>
2010.2
>
i586
>
media
>
contrib-backports
>
by-pkgid
>
def0228095a1541e2d3632b6b6da7c38
>
files
>
1998
