fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-04-14 10:07:39 +08:00
Code Issues Packages Projects Releases Wiki Activity
PX4-Autopilot/CMSIS/Documentation/DSP/html/structarm__dct4__instance__f32.html
jgoppert 1579630efe Added CMSIS library.
2013-01-06 13:57:31 -05:00

267 lines
14 KiB
HTML
Raw Blame History

<!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>arm_dct4_instance_f32 Struct Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.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="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
</head>
<body>
<div id="top"><!-- do not remove this div! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 46px;">
<td id="proglogo"><img alt="CMSIS Logo" src="CMSIS_Logo_Final.png"></td>
<td style="padding-left: 0.5em;">
<div id="projectname">CMSIS-DSP
&#160;<span id="projectnumber">Verison 1.1.0</span>
</div>
<div id="projectbrief">CMSIS DSP Software Library</div>
</td>
</tr>
</tbody>
</table>
</div>
<div id="CMSISnav" class="tabs1">
<ul class="tablist">
<li><a href="../../General/html/index.html"><span>CMSIS</span></a></li>
<li><a href="../../Core/html/index.html"><span>CORE</span></a></li>
<li class="current"><a href="../../DSP/html/index.html"><span>DSP</span></a></li>
<li><a href="../../RTOS/html/index.html"><span>RTOS API</span></a></li>
<li><a href="../../SVD/html/index.html"><span>SVD</span></a></li>
</ul>
</div>
<!-- Generated by Doxygen 1.7.5.1 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
<div id="navrow1" class="tabs">
<ul class="tablist">
<li><a href="index.html"><span>Main&#160;Page</span></a></li>
<li><a href="modules.html"><span>Reference</span></a></li>
<li>
<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 id="navrow2" 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 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('structarm__dct4__instance__f32.html','');
</script>
<div id="doc-content">
<div class="header">
<div class="summary">
<a href="#pub-attribs">Data Fields</a> </div>
<div class="headertitle">
<div class="title">arm_dct4_instance_f32 Struct Reference</div> </div>
</div>
<div class="contents">
<!-- doxytag: class="arm_dct4_instance_f32" -->
<p>Instance structure for the floating-point DCT4/IDCT4 function.
</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__f32.html#a262b29a51c371b46efc89120e31ccf37">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__f32.html#adb1ef2739ddbe62e5cdadc47455a4147">Nby2</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a61ce8c967b2e998a9c0041cca73cdef8">normalize</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#ad13544aafad268588c62e3eb35ae662c">pTwiddle</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a6da1187e070801e011ce5e0582efa861">pCosFactor</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a978f37fc19add31af243ab5c63ae502f">pRfft</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__dct4__instance__f32.html#a018f7860b6e070af533fb7d76c7cdc32">pCfft</a></td></tr>
</table>
<hr/><h2>Field Documentation</h2>
<a class="anchor" id="a262b29a51c371b46efc89120e31ccf37"></a><!-- doxytag: member="arm_dct4_instance_f32::N" ref="a262b29a51c371b46efc89120e31ccf37" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint16_t <a class="el" href="structarm__dct4__instance__f32.html#a262b29a51c371b46efc89120e31ccf37">arm_dct4_instance_f32::N</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>length of the DCT4. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="adb1ef2739ddbe62e5cdadc47455a4147"></a><!-- doxytag: member="arm_dct4_instance_f32::Nby2" ref="adb1ef2739ddbe62e5cdadc47455a4147" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint16_t <a class="el" href="structarm__dct4__instance__f32.html#adb1ef2739ddbe62e5cdadc47455a4147">arm_dct4_instance_f32::Nby2</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>half of the length of the DCT4. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="a61ce8c967b2e998a9c0041cca73cdef8"></a><!-- doxytag: member="arm_dct4_instance_f32::normalize" ref="a61ce8c967b2e998a9c0041cca73cdef8" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="structarm__dct4__instance__f32.html#a61ce8c967b2e998a9c0041cca73cdef8">arm_dct4_instance_f32::normalize</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>normalizing factor. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="a018f7860b6e070af533fb7d76c7cdc32"></a><!-- doxytag: member="arm_dct4_instance_f32::pCfft" ref="a018f7860b6e070af533fb7d76c7cdc32" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structarm__cfft__radix4__instance__f32.html">arm_cfft_radix4_instance_f32</a>* <a class="el" href="structarm__dct4__instance__f32.html#a018f7860b6e070af533fb7d76c7cdc32">arm_dct4_instance_f32::pCfft</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the complex FFT instance. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="a6da1187e070801e011ce5e0582efa861"></a><!-- doxytag: member="arm_dct4_instance_f32::pCosFactor" ref="a6da1187e070801e011ce5e0582efa861" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* <a class="el" href="structarm__dct4__instance__f32.html#a6da1187e070801e011ce5e0582efa861">arm_dct4_instance_f32::pCosFactor</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the cosFactor table. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="a978f37fc19add31af243ab5c63ae502f"></a><!-- doxytag: member="arm_dct4_instance_f32::pRfft" ref="a978f37fc19add31af243ab5c63ae502f" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="structarm__rfft__instance__f32.html">arm_rfft_instance_f32</a>* <a class="el" href="structarm__dct4__instance__f32.html#a978f37fc19add31af243ab5c63ae502f">arm_dct4_instance_f32::pRfft</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the real FFT instance. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
<a class="anchor" id="ad13544aafad268588c62e3eb35ae662c"></a><!-- doxytag: member="arm_dct4_instance_f32::pTwiddle" ref="ad13544aafad268588c62e3eb35ae662c" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>* <a class="el" href="structarm__dct4__instance__f32.html#ad13544aafad268588c62e3eb35ae662c">arm_dct4_instance_f32::pTwiddle</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>points to the twiddle factor table. </p>
<p>Referenced by <a class="el" href="group___d_c_t4___i_d_c_t4.html#gafd538d68886848bc090ec2b0d364cc81">arm_dct4_f32()</a>, and <a class="el" href="group___d_c_t4___i_d_c_t4.html#gab094ad3bc6fa1b84e8b12a24e1850a06">arm_dct4_init_f32()</a>.</p>
</div>
</div>
</div>
</div>
<div id="nav-path" class="navpath">
<ul>
<li class="navelem"><a class="el" href="structarm__dct4__instance__f32.html">arm_dct4_instance_f32</a> </li>
<!-- 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="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<li class="footer">Generated on Wed Mar 28 2012 15:38:09 for CMSIS-DSP by ARM Ltd. All rights reserved.
<!--
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.5.1 </li>
-->
</li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink