Google Git
Sign in
android / platform / external / arduino-ide / f876b2abdebd02acfa4ba21e607327be4f9668d4 / . / hardware / arduino / sam / system / CMSIS / CMSIS / Documentation / DSP_Lib / html / structarm__dct4__instance__q15.html
blob: 426d118261e48b2560566ca6740e107bb6ef4a78 [file] [log] [blame]
<!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>CMSIS DSP Software Library: arm_dct4_instance_q15 Struct Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javaScript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body onload='searchBox.OnSelectItem(0);'>
<!-- Generated by Doxygen 1.7.2 -->
<script type="text/javascript"><!--
var searchBox = new SearchBox("searchBox", "search",false,'Search');
--></script>
<div class="navigation" id="top">
<div class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li class="current"><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li><a href="files.html"><span>Files</span></a></li>
<li><a href="examples.html"><span>Examples</span></a></li>
<li id="searchli">
<div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</li>
</ul>
</div>
<div class="tabs2">
<ul class="tablist">
<li><a href="annotated.html"><span>Data&#160;Structures</span></a></li>
<li><a href="functions.html"><span>Data&#160;Fields</span></a></li>
</ul>
</div>
</div>
<div class="header">
<div class="summary">
<a href="#pub-attribs">Data Fields</a> </div>
<div class="headertitle">
<h1>arm_dct4_instance_q15 Struct Reference</h1> </div>
</div>
<div class="contents">
<!-- doxytag: class="arm_dct4_instance_q15" -->
<p>Instance structure for the Q15 DCT4/IDCT4 function.
<a href="#_details">More...</a></p>
<p><code>#include &lt;<a class="el" href="arm__math_8h_source.html">arm_math.h</a>&gt;</code></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a53d24009bb9b2e93d0aa07db7f1a6c25">N</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#af43dcbbc2fc661ffbc525afe3dcbd7da">Nby2</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a197098140d68e89a08f7a249003a0b86">normalize</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#abc6c847e9f906781e1d5da40e9aafa76">pTwiddle</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#ac76df681b1bd502fb4874c06f055dded">pCosFactor</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a11cf95c1cd9dd2dd5e4b81b8f88dc208">pRfft</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__q15.html#a7284932ee8c36107c33815eb62eadffc">pCfft</a></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Instance structure for the Q15 DCT4/IDCT4 function. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02388">2388</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
<hr/><h2>Field Documentation</h2>
<a class="anchor" id="a53d24009bb9b2e93d0aa07db7f1a6c25"></a><!-- doxytag: member="arm_dct4_instance_q15::N" ref="a53d24009bb9b2e93d0aa07db7f1a6c25" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint16_t <a class="el" href="structarm__dct4__instance__q15.html#a53d24009bb9b2e93d0aa07db7f1a6c25">arm_dct4_instance_q15::N</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>length of the DCT4. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02390">2390</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<a class="anchor" id="af43dcbbc2fc661ffbc525afe3dcbd7da"></a><!-- doxytag: member="arm_dct4_instance_q15::Nby2" ref="af43dcbbc2fc661ffbc525afe3dcbd7da" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint16_t <a class="el" href="structarm__dct4__instance__q15.html#af43dcbbc2fc661ffbc525afe3dcbd7da">arm_dct4_instance_q15::Nby2</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>half of the length of the DCT4. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02391">2391</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<a class="anchor" id="a197098140d68e89a08f7a249003a0b86"></a><!-- doxytag: member="arm_dct4_instance_q15::normalize" ref="a197098140d68e89a08f7a249003a0b86" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> <a class="el" href="structarm__dct4__instance__q15.html#a197098140d68e89a08f7a249003a0b86">arm_dct4_instance_q15::normalize</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>normalizing factor. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02392">2392</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<a class="anchor" id="abc6c847e9f906781e1d5da40e9aafa76"></a><!-- doxytag: member="arm_dct4_instance_q15::pTwiddle" ref="abc6c847e9f906781e1d5da40e9aafa76" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* <a class="el" href="structarm__dct4__instance__q15.html#abc6c847e9f906781e1d5da40e9aafa76">arm_dct4_instance_q15::pTwiddle</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the twiddle factor table. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02393">2393</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<a class="anchor" id="ac76df681b1bd502fb4874c06f055dded"></a><!-- doxytag: member="arm_dct4_instance_q15::pCosFactor" ref="ac76df681b1bd502fb4874c06f055dded" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* <a class="el" href="structarm__dct4__instance__q15.html#ac76df681b1bd502fb4874c06f055dded">arm_dct4_instance_q15::pCosFactor</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the cosFactor table. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02394">2394</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<a class="anchor" id="a11cf95c1cd9dd2dd5e4b81b8f88dc208"></a><!-- doxytag: member="arm_dct4_instance_q15::pRfft" ref="a11cf95c1cd9dd2dd5e4b81b8f88dc208" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a>* <a class="el" href="structarm__dct4__instance__q15.html#a11cf95c1cd9dd2dd5e4b81b8f88dc208">arm_dct4_instance_q15::pRfft</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the real FFT instance. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02395">2395</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<a class="anchor" id="a7284932ee8c36107c33815eb62eadffc"></a><!-- doxytag: member="arm_dct4_instance_q15::pCfft" ref="a7284932ee8c36107c33815eb62eadffc" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a>* <a class="el" href="structarm__dct4__instance__q15.html#a7284932ee8c36107c33815eb62eadffc">arm_dct4_instance_q15::pCfft</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the complex FFT instance. </p>
<p>Definition at line <a class="el" href="arm__math_8h_source.html#l02396">2396</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="arm__math_8h_source.html">arm_math.h</a></li>
</ul>
</div>
<!--- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Defines</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<hr class="footer"/><address class="footer"><small>Generated on Fri Jul 15 2011 13:16:22 for CMSIS DSP Software Library by&#160;
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.2 </small></address>
</body>
</html>