<!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>CMSIS-DSP: arm_rfft_fast_f32.c File Reference</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> <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); </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> <link href="stylsheetf" rel="stylesheet" type="text/css" /> </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  <span id="projectnumber">Version 1.4.4</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"> <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><a href="../../Driver/html/index.html"><span>Driver</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="../../Pack/html/index.html"><span>Pack</span></a></li> <li><a href="../../SVD/html/index.html"><span>SVD</span></a></li> </ul> </div> <!-- Generated by Doxygen 1.8.2 --> <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 Page</span></a></li> <li><a href="pages.html"><span>Usage and 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('arm__rfft__fast__f32_8c.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"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </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="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">arm_rfft_fast_f32.c File Reference</div> </div> </div><!--header--> <div class="contents"> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:a47157c5a53c8aac5e80fda31acf1f9cc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__rfft__fast__f32_8c.html#a47157c5a53c8aac5e80fda31acf1f9cc">stage_rfft_f32</a> (<a class="el" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> *S, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *p, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pOut)</td></tr> <tr class="separator:a47157c5a53c8aac5e80fda31acf1f9cc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a93258bc1e64a939a8ebd086367e459af"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__rfft__fast__f32_8c.html#a93258bc1e64a939a8ebd086367e459af">merge_rfft_f32</a> (<a class="el" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> *S, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *p, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pOut)</td></tr> <tr class="separator:a93258bc1e64a939a8ebd086367e459af"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga180d8b764d59cbb85d37a2d5f7cd9799"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___real_f_f_t.html#ga180d8b764d59cbb85d37a2d5f7cd9799">arm_rfft_fast_f32</a> (<a class="el" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> *S, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *p, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pOut, uint8_t <a class="el" href="_g_c_c_2arm__fft__bin__example__f32_8c.html#a379ccb99013d369a41b49619083c16ef">ifftFlag</a>)</td></tr> <tr class="memdesc:ga180d8b764d59cbb85d37a2d5f7cd9799"><td class="mdescLeft"> </td><td class="mdescRight">Processing function for the floating-point real FFT. <a href="group___real_f_f_t.html#ga180d8b764d59cbb85d37a2d5f7cd9799"></a><br/></td></tr> <tr class="separator:ga180d8b764d59cbb85d37a2d5f7cd9799"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="a93258bc1e64a939a8ebd086367e459af"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void merge_rfft_f32 </td> <td>(</td> <td class="paramtype"><a class="el" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> * </td> <td class="paramname"><em>S</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> <td class="paramname"><em>p</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> <td class="paramname"><em>pOut</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>References <a class="el" href="structarm__rfft__fast__instance__f32.html#a9f30b04f163fabc1b24421d3c323d5fc">arm_rfft_fast_instance_f32::pTwiddleRFFT</a>, and <a class="el" href="structarm__rfft__fast__instance__f32.html#a37419ababdfb3151b1891ae6bcd21012">arm_rfft_fast_instance_f32::Sint</a>.</p> <p>Referenced by <a class="el" href="group___real_f_f_t.html#ga180d8b764d59cbb85d37a2d5f7cd9799">arm_rfft_fast_f32()</a>.</p> </div> </div> <a class="anchor" id="a47157c5a53c8aac5e80fda31acf1f9cc"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void stage_rfft_f32 </td> <td>(</td> <td class="paramtype"><a class="el" href="structarm__rfft__fast__instance__f32.html">arm_rfft_fast_instance_f32</a> * </td> <td class="paramname"><em>S</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> <td class="paramname"><em>p</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td> <td class="paramname"><em>pOut</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>References <a class="el" href="structarm__rfft__fast__instance__f32.html#a9f30b04f163fabc1b24421d3c323d5fc">arm_rfft_fast_instance_f32::pTwiddleRFFT</a>, and <a class="el" href="structarm__rfft__fast__instance__f32.html#a37419ababdfb3151b1891ae6bcd21012">arm_rfft_fast_instance_f32::Sint</a>.</p> <p>Referenced by <a class="el" href="group___real_f_f_t.html#ga180d8b764d59cbb85d37a2d5f7cd9799">arm_rfft_fast_f32()</a>.</p> </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="navelem"><a class="el" href="dir_be2d3df67661aefe0e3f0071a1d6f8f1.html">DSP_Lib</a></li><li class="navelem"><a class="el" href="dir_7e8aa87db1ad6b3d9b1f25792e7c5208.html">Source</a></li><li class="navelem"><a class="el" href="dir_9c857f0e41082f634e50072d001e0d4f.html">TransformFunctions</a></li><li class="navelem"><a class="el" href="arm__rfft__fast__f32_8c.html">arm_rfft_fast_f32.c</a></li> <li class="footer">Generated on Tue Sep 23 2014 18:52:42 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> 1.8.2 --> </li> </ul> </div> </body> </html>