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comparison code-docs/FFT_8h_source.html @ 3:5c2683745b33 vamp-plugin-sdk-v2.4

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Update for 2.4
author Chris Cannam
date Fri, 13 Jul 2012 13:30:27 +0100
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children 27319718b1f8
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2:52d16fb98e80 3:5c2683745b33
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31 <div id="projectname">VampPluginSDK
32 &#160;<span id="projectnumber">2.4</span>
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78 <div class="contents">
79 <a href="FFT_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */</span>
80 <a name="l00002"></a>00002
81 <a name="l00003"></a>00003 <span class="comment">/*</span>
82 <a name="l00004"></a>00004 <span class="comment"> Vamp</span>
83 <a name="l00005"></a>00005 <span class="comment"></span>
84 <a name="l00006"></a>00006 <span class="comment"> An API for audio analysis and feature extraction plugins.</span>
85 <a name="l00007"></a>00007 <span class="comment"></span>
86 <a name="l00008"></a>00008 <span class="comment"> Centre for Digital Music, Queen Mary, University of London.</span>
87 <a name="l00009"></a>00009 <span class="comment"> Copyright 2006-2012 Chris Cannam and QMUL.</span>
88 <a name="l00010"></a>00010 <span class="comment"> </span>
89 <a name="l00011"></a>00011 <span class="comment"> Permission is hereby granted, free of charge, to any person</span>
90 <a name="l00012"></a>00012 <span class="comment"> obtaining a copy of this software and associated documentation</span>
91 <a name="l00013"></a>00013 <span class="comment"> files (the &quot;Software&quot;), to deal in the Software without</span>
92 <a name="l00014"></a>00014 <span class="comment"> restriction, including without limitation the rights to use, copy,</span>
93 <a name="l00015"></a>00015 <span class="comment"> modify, merge, publish, distribute, sublicense, and/or sell copies</span>
94 <a name="l00016"></a>00016 <span class="comment"> of the Software, and to permit persons to whom the Software is</span>
95 <a name="l00017"></a>00017 <span class="comment"> furnished to do so, subject to the following conditions:</span>
96 <a name="l00018"></a>00018 <span class="comment"></span>
97 <a name="l00019"></a>00019 <span class="comment"> The above copyright notice and this permission notice shall be</span>
98 <a name="l00020"></a>00020 <span class="comment"> included in all copies or substantial portions of the Software.</span>
99 <a name="l00021"></a>00021 <span class="comment"></span>
100 <a name="l00022"></a>00022 <span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND,</span>
101 <a name="l00023"></a>00023 <span class="comment"> EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span>
102 <a name="l00024"></a>00024 <span class="comment"> MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</span>
103 <a name="l00025"></a>00025 <span class="comment"> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR</span>
104 <a name="l00026"></a>00026 <span class="comment"> ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF</span>
105 <a name="l00027"></a>00027 <span class="comment"> CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION</span>
106 <a name="l00028"></a>00028 <span class="comment"> WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.</span>
107 <a name="l00029"></a>00029 <span class="comment"></span>
108 <a name="l00030"></a>00030 <span class="comment"> Except as contained in this notice, the names of the Centre for</span>
109 <a name="l00031"></a>00031 <span class="comment"> Digital Music; Queen Mary, University of London; and Chris Cannam</span>
110 <a name="l00032"></a>00032 <span class="comment"> shall not be used in advertising or otherwise to promote the sale,</span>
111 <a name="l00033"></a>00033 <span class="comment"> use or other dealings in this Software without prior written</span>
112 <a name="l00034"></a>00034 <span class="comment"> authorization.</span>
113 <a name="l00035"></a>00035 <span class="comment">*/</span>
114 <a name="l00036"></a>00036
115 <a name="l00037"></a>00037 <span class="preprocessor">#ifndef _VAMP_FFT_H_</span>
116 <a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define _VAMP_FFT_H_</span>
117 <a name="l00039"></a>00039 <span class="preprocessor"></span>
118 <a name="l00040"></a>00040 <span class="preprocessor">#include &quot;<a class="code" href="plugguard_8h.html">plugguard.h</a>&quot;</span>
119 <a name="l00041"></a>00041 <a class="code" href="plugguard_8h.html#a1a2724ea453971288d3218e4eab3072c">_VAMP_SDK_PLUGSPACE_BEGIN</a>(FFT.h)
120 <a name="l00042"></a>00042
121 <a name="l00043"></a><a class="code" href="namespaceVamp.html">00043</a> namespace Vamp {
122 <a name="l00044"></a>00044
123 <a name="l00058"></a><a class="code" href="classVamp_1_1FFT.html">00058</a> <span class="keyword">class </span><a class="code" href="classVamp_1_1FFT.html" title="A simple FFT implementation provided for convenience of plugin authors.">FFT</a>
124 <a name="l00059"></a>00059 {
125 <a name="l00060"></a>00060 <span class="keyword">public</span>:
126 <a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keywordtype">void</span> forward(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n,
127 <a name="l00073"></a>00073 <span class="keyword">const</span> <span class="keywordtype">double</span> *ri, <span class="keyword">const</span> <span class="keywordtype">double</span> *ii,
128 <a name="l00074"></a>00074 <span class="keywordtype">double</span> *ro, <span class="keywordtype">double</span> *io);
129 <a name="l00075"></a>00075
130 <a name="l00089"></a>00089 <span class="keyword">static</span> <span class="keywordtype">void</span> inverse(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n,
131 <a name="l00090"></a>00090 <span class="keyword">const</span> <span class="keywordtype">double</span> *ri, <span class="keyword">const</span> <span class="keywordtype">double</span> *ii,
132 <a name="l00091"></a>00091 <span class="keywordtype">double</span> *ro, <span class="keywordtype">double</span> *io);
133 <a name="l00092"></a>00092 };
134 <a name="l00093"></a>00093
135 <a name="l00094"></a>00094 }
136 <a name="l00095"></a>00095
137 <a name="l00096"></a>00096 <a class="code" href="plugguard_8h.html#ac879bb1077ecc6132ea3581ef9033753">_VAMP_SDK_PLUGSPACE_END</a>(FFT.h)
138 <a name="l00097"></a>00097
139 <a name="l00098"></a>00098 <span class="preprocessor">#endif</span>
140 </pre></div></div><!-- contents -->
141 </div>
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144 <li class="navelem"><a class="el" href="FFT_8h.html">FFT.h</a> </li>
145
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