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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>aflibFFT.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.15 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> </center><hr><h1>aflibFFT.h</h1><a href="aflibFFT_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 00002 00003 00004 <font class="preprocessor">#ifndef _AFLIBFFT_H</font>00005 <font class="preprocessor"></font><font class="preprocessor">#define _AFLIBFFT_H</font>00006 <font class="preprocessor"></font>00007 00008 <font class="preprocessor">#ifdef HAVE_CONFIG_H</font>00009 <font class="preprocessor"></font><font class="preprocessor">#include <config.h></font>00010 <font class="preprocessor">#endif</font>00011 <font class="preprocessor"></font>00012 <font class="preprocessor">#include "<a class="code" href="aflib_8h.html">aflib.h</a>"</font>00013 00014 <a name="l00015"></a><a class="code" href="structCOMPLEX.html">00015</a> <font class="keyword">typedef</font> <font class="keyword">struct </font>{<a name="l00016"></a><a class="code" href="structCOMPLEX.html#m0">00016</a> <font class="keywordtype">double</font> re, im;00017 } <a class="code" href="structCOMPLEX.html">COMPLEX</a>;00018 00027 <font class="keyword">class </font><a class="code" href="classaflibFFT.html">aflibFFT</a> {00028 00029 <font class="keyword">public</font>:00030 00031 <a class="code" href="classaflibFFT.html#a0">aflibFFT</a>();00032 00033 <a class="code" href="classaflibFFT.html#a1">~aflibFFT</a>();00034 00035 <font class="keywordtype">void</font>00036 <a class="code" href="classaflibFFT.html#a2">fft_double</a> (00037 <font class="keywordtype">unsigned</font> NumSamples,00038 <font class="keywordtype">int</font> InverseTransform,00039 <font class="keyword">const</font> <font class="keywordtype">double</font> *RealIn,00040 <font class="keyword">const</font> <font class="keywordtype">double</font> *ImagIn,00041 <font class="keywordtype">double</font> *RealOut,00042 <font class="keywordtype">double</font> *ImagOut );00043 00044 <font class="keyword">private</font>:00045 00046 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> Nfactors;00047 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *W_factors;00048 00049 <font class="keywordtype">int</font>00050 fft (00051 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *in,00052 <font class="keywordtype">unsigned</font> n,00053 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *out);00054 00055 <font class="keywordtype">int</font>00056 rft (00057 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *in,00058 <font class="keywordtype">unsigned</font> n,00059 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *out);00060 00061 <font class="keywordtype">void</font>00062 Fourier (00063 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *in,00064 <font class="keywordtype">unsigned</font> n,00065 <a class="code" href="structCOMPLEX.html">COMPLEX</a> *out);00066 00067 <font class="keywordtype">unsigned</font>00068 radix (<font class="keywordtype">unsigned</font> n);00069 00070 <font class="keywordtype">void</font>00071 split (00072 <font class="keyword">register</font> <a class="code" href="structCOMPLEX.html">COMPLEX</a> *in,00073 <font class="keyword">register</font> <font class="keywordtype">unsigned</font> r,00074 <font class="keyword">register</font> <font class="keywordtype">unsigned</font> m,00075 <font class="keyword">register</font> <a class="code" href="structCOMPLEX.html">COMPLEX</a> *out);00076 00077 <font class="keywordtype">void</font>00078 join (00079 <font class="keyword">register</font> <a class="code" href="structCOMPLEX.html">COMPLEX</a> *in,00080 <font class="keyword">register</font> <font class="keywordtype">unsigned</font> m,00081 <font class="keyword">register</font> <font class="keywordtype">unsigned</font> n,00082 <font class="keyword">register</font> <a class="code" href="structCOMPLEX.html">COMPLEX</a> *out);00083 00084 <font class="keywordtype">int</font>00085 W_init(<font class="keywordtype">unsigned</font> n);00086 00087 };00088 00089 00090 <font class="preprocessor">#endif</font></pre></div><hr><address align="right"><small>Generated on Wed May 8 20:51:06 2002 for Open Source Audio Library Project by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.15 </small></address></body></html>⌨️ 快捷键说明
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