blob: 54db7900ecf108156f18bd7be4837c30808deafa [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"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<title>DCT Type IV Tables</title>
<title>CMSIS-DSP: DCT Type IV Tables</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="cmsis.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<script type="text/javascript" src="printComponentTabs.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</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, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 46px;">
<td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
<td style="padding-left: 0.5em;">
<div id="projectname">CMSIS-DSP
&#160;<span id="projectnumber">Version 1.7.0</span>
</div>
<div id="projectbrief">CMSIS DSP Software Library</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<div id="CMSISnav" class="tabs1">
<ul class="tablist">
<script type="text/javascript">
<!--
writeComponentTabs.call(this);
//-->
</script>
</ul>
</div>
<!-- Generated by Doxygen 1.8.6 -->
<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="pages.html"><span>Usage&#160;and&#160;Description</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><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('group__DCT4__IDCT4__Table.html','');});
</script>
<div id="doc-content">
<!-- 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>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark">&#160;</span>Pages</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>
<div class="header">
<div class="summary">
<a href="#var-members">Variables</a> </div>
<div class="headertitle">
<div class="title">DCT Type IV Tables<div class="ingroups"><a class="el" href="group__DCT4__IDCT4.html">DCT Type IV Functions</a></div></div> </div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
Variables</h2></td></tr>
<tr class="memitem:gad00f29d896d64d6da7afbbb9d3e182a4"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gad00f29d896d64d6da7afbbb9d3e182a4">Weights_128</a> [256]</td></tr>
<tr class="memdesc:gad00f29d896d64d6da7afbbb9d3e182a4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Weights Table. <a href="#gad00f29d896d64d6da7afbbb9d3e182a4">More...</a><br/></td></tr>
<tr class="separator:gad00f29d896d64d6da7afbbb9d3e182a4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga16248ed86161ef97538011b49f13e8b7"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga16248ed86161ef97538011b49f13e8b7">cos_factors_128</a> [128]</td></tr>
<tr class="separator:ga16248ed86161ef97538011b49f13e8b7"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaeb67b0be5b3c2139d660e02cedeed908"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gaeb67b0be5b3c2139d660e02cedeed908">Weights_512</a> [1024]</td></tr>
<tr class="separator:gaeb67b0be5b3c2139d660e02cedeed908"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga49fd288352ca5bb43f5cec52273b0d80"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga49fd288352ca5bb43f5cec52273b0d80">cos_factors_512</a> [512]</td></tr>
<tr class="separator:ga49fd288352ca5bb43f5cec52273b0d80"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac3a2a00b3106dfcb5e0a582f50c65692"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gac3a2a00b3106dfcb5e0a582f50c65692">Weights_2048</a> [4096]</td></tr>
<tr class="separator:gac3a2a00b3106dfcb5e0a582f50c65692"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1ba5306e0bc44730b40ab34cced45fd6"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga1ba5306e0bc44730b40ab34cced45fd6">cos_factors_2048</a> [2048]</td></tr>
<tr class="separator:ga1ba5306e0bc44730b40ab34cced45fd6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga45a8ec91e5da91790566105bc7e6f0c2"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga45a8ec91e5da91790566105bc7e6f0c2">Weights_8192</a> [16384]</td></tr>
<tr class="separator:ga45a8ec91e5da91790566105bc7e6f0c2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gac12484542bc6aaecc754c855457411de"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gac12484542bc6aaecc754c855457411de">cos_factors_8192</a> [8192]</td></tr>
<tr class="separator:gac12484542bc6aaecc754c855457411de"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga02d7024538a87214296b01d83ba36b02"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga02d7024538a87214296b01d83ba36b02">WeightsQ31_128</a> [256]</td></tr>
<tr class="separator:ga02d7024538a87214296b01d83ba36b02"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabb8ee2004a3520fd08388db637d43875"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gabb8ee2004a3520fd08388db637d43875">cos_factorsQ31_128</a> [128]</td></tr>
<tr class="separator:gabb8ee2004a3520fd08388db637d43875"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga31a8217a96f7d3171921e98398f31596"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga31a8217a96f7d3171921e98398f31596">WeightsQ31_512</a> [1024]</td></tr>
<tr class="separator:ga31a8217a96f7d3171921e98398f31596"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3559569e603cb918911074be88523d0e"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga3559569e603cb918911074be88523d0e">cos_factorsQ31_512</a> [512]</td></tr>
<tr class="separator:ga3559569e603cb918911074be88523d0e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga725b65c25a02b3cad329e18bb832f65e"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga725b65c25a02b3cad329e18bb832f65e">WeightsQ31_2048</a> [4096]</td></tr>
<tr class="separator:ga725b65c25a02b3cad329e18bb832f65e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaa15fc3fb058482defda371113cd12e74"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gaa15fc3fb058482defda371113cd12e74">cos_factorsQ31_2048</a> [2048]</td></tr>
<tr class="separator:gaa15fc3fb058482defda371113cd12e74"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga16bf6bbe5c4c9b35f88253cf7bdcc435"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#ga16bf6bbe5c4c9b35f88253cf7bdcc435">WeightsQ31_8192</a> [16384]</td></tr>
<tr class="separator:ga16bf6bbe5c4c9b35f88253cf7bdcc435"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf687c4bbdbc700a3ad5d807d28de63e4"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__DCT4__IDCT4__Table.html#gaf687c4bbdbc700a3ad5d807d28de63e4">cos_factorsQ31_8192</a> [8192]</td></tr>
<tr class="separator:gaf687c4bbdbc700a3ad5d807d28de63e4"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>end of RealFFT_Table group </p>
<h2 class="groupheader">Variable Documentation</h2>
<a class="anchor" id="ga16248ed86161ef97538011b49f13e8b7"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> cos_factors_128[128]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga1ba5306e0bc44730b40ab34cced45fd6"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> cos_factors_2048[2048]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga49fd288352ca5bb43f5cec52273b0d80"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> cos_factors_512[512]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gac12484542bc6aaecc754c855457411de"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> cos_factors_8192[8192]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gabb8ee2004a3520fd08388db637d43875"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> cos_factorsQ31_128[128]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaa15fc3fb058482defda371113cd12e74"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> cos_factorsQ31_2048[2048]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga3559569e603cb918911074be88523d0e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> cos_factorsQ31_512[512]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaf687c4bbdbc700a3ad5d807d28de63e4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> cos_factorsQ31_8192[8192]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gad00f29d896d64d6da7afbbb9d3e182a4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> Weights_128[256]</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section user"><dt></dt><dd>Weights tables are generated using the formula : <pre>weights[n] = e^(-j*n*pi/(2*N))</pre> </dd></dl>
<dl class="section user"><dt></dt><dd>C command to generate the table <pre>
for(i = 0; i&lt; N; i++)
{
weights[(2*i)] = cos (i*c);
weights[(2*i)+1] = -sin (i*c);
} </pre> </dd></dl>
<dl class="section user"><dt></dt><dd>where <code>N</code> is the Number of weights to be calculated and <code>c</code> is <code>pi/(2*N)</code> </dd></dl>
<dl class="section user"><dt></dt><dd>In the tables below the real and imaginary values are placed alternatively, hence the array length is <code>2*N</code>. </dd></dl>
<dl class="section user"><dt></dt><dd>cosFactor tables are generated using the formula : <pre>cos_factors[n] = 2 * cos((2n+1)*pi/(4*N))</pre> </dd></dl>
<dl class="section user"><dt></dt><dd>C command to generate the table </dd></dl>
<dl class="section user"><dt></dt><dd><pre> for(i = 0; i&lt; N; i++)
{
cos_factors[i]= 2 * cos((2*i+1)*c/2);
} </pre> </dd></dl>
<dl class="section user"><dt></dt><dd>where <code>N</code> is the number of factors to generate and <code>c</code> is <code>pi/(2*N)</code> </dd></dl>
</div>
</div>
<a class="anchor" id="gac3a2a00b3106dfcb5e0a582f50c65692"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> Weights_2048[4096]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaeb67b0be5b3c2139d660e02cedeed908"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> Weights_512[1024]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga45a8ec91e5da91790566105bc7e6f0c2"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> Weights_8192[16384]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga02d7024538a87214296b01d83ba36b02"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> WeightsQ31_128[256]</td>
</tr>
</table>
</div><div class="memdoc">
<dl class="section user"><dt></dt><dd>Weights tables are generated using the formula : <pre>weights[n] = e^(-j*n*pi/(2*N))</pre> </dd></dl>
<dl class="section user"><dt></dt><dd>C command to generate the table <pre>
for (i = 0; i&lt; N; i++)
{
weights[(2*i)] = cos(i*c);
weights[(2*i)+1] = -sin(i*c);
} </pre> </dd></dl>
<dl class="section user"><dt></dt><dd>where <code>N</code> is the Number of weights to be calculated and <code>c</code> is <code>pi/(2*N)</code> </dd></dl>
<dl class="section user"><dt></dt><dd>Convert the output to q31 format by multiplying with 2^31 and saturated if required. </dd></dl>
<dl class="section user"><dt></dt><dd>In the tables below the real and imaginary values are placed alternatively, hence the array length is <code>2*N</code>. </dd></dl>
<dl class="section user"><dt></dt><dd>cosFactor tables are generated using the formula : <pre>cos_factors[n] = 2 * cos((2n+1)*pi/(4*N))</pre> </dd></dl>
<dl class="section user"><dt></dt><dd>C command to generate the table <pre>
for (i = 0; i&lt; N; i++)
{
cos_factors[i] = 2 * cos((2*i+1)*c/2);
} </pre> </dd></dl>
<dl class="section user"><dt></dt><dd>where <code>N</code> is the number of factors to generate and <code>c</code> is <code>pi/(2*N)</code> </dd></dl>
<dl class="section user"><dt></dt><dd>Then converted to q31 format by multiplying with 2^31 and saturated if required. </dd></dl>
</div>
</div>
<a class="anchor" id="ga725b65c25a02b3cad329e18bb832f65e"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> WeightsQ31_2048[4096]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga31a8217a96f7d3171921e98398f31596"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> WeightsQ31_512[1024]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga16bf6bbe5c4c9b35f88253cf7bdcc435"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> WeightsQ31_8192[16384]</td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated on Wed Jul 10 2019 15:20:40 for CMSIS-DSP Version 1.7.0 by Arm Ltd. All rights reserved.
<!--
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6
-->
</li>
</ul>
</div>
</body>
</html>