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diff code-docs/classVamp_1_1FFTReal.html @ 6:27319718b1f8 vamp-plugin-sdk-v2.7

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Update code docs to v2.7 SDK
author Chris Cannam
date Fri, 24 Feb 2017 16:44:47 +0000
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+  <td id="projectalign" style="padding-left: 0.5em;">
+   <div id="projectname">VampPluginSDK
+   &#160;<span id="projectnumber">2.7</span>
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+</script>
+<div id="doc-content">
+<div class="header">
+  <div class="summary">
+<a href="#pub-methods">Public Member Functions</a> &#124;
+<a href="#pri-attribs">Private Attributes</a> &#124;
+<a href="classVamp_1_1FFTReal-members.html">List of all members</a>  </div>
+  <div class="headertitle">
+<div class="title">Vamp::FFTReal Class Reference</div>  </div>
+</div><!--header-->
+<div class="contents">
+
+<p>A simple <a class="el" href="classVamp_1_1FFT.html" title="A simple FFT implementation provided for convenience of plugin authors. ">FFT</a> implementation provided for convenience of plugin authors.  
+ <a href="classVamp_1_1FFTReal.html#details">More...</a></p>
+
+<p><code>#include &lt;<a class="el" href="FFT_8h_source.html">FFT.h</a>&gt;</code></p>
+<table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
+Public Member Functions</h2></td></tr>
+<tr class="memitem:a322be62b02d4dce71271d1b6af69310d"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classVamp_1_1FFTReal.html#a322be62b02d4dce71271d1b6af69310d">FFTReal</a> (unsigned int n)</td></tr>
+<tr class="memdesc:a322be62b02d4dce71271d1b6af69310d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prepare to calculate transforms of size n.  <a href="#a322be62b02d4dce71271d1b6af69310d">More...</a><br /></td></tr>
+<tr class="separator:a322be62b02d4dce71271d1b6af69310d"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:ade37f8ce309792f154b6e3b20cc23ad1"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classVamp_1_1FFTReal.html#ade37f8ce309792f154b6e3b20cc23ad1">~FFTReal</a> ()</td></tr>
+<tr class="separator:ade37f8ce309792f154b6e3b20cc23ad1"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a25dfbb5bf24bdc4da8409ffdc3d827da"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classVamp_1_1FFTReal.html#a25dfbb5bf24bdc4da8409ffdc3d827da">forward</a> (const double *ri, double *co)</td></tr>
+<tr class="memdesc:a25dfbb5bf24bdc4da8409ffdc3d827da"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate a forward transform of size n.  <a href="#a25dfbb5bf24bdc4da8409ffdc3d827da">More...</a><br /></td></tr>
+<tr class="separator:a25dfbb5bf24bdc4da8409ffdc3d827da"><td class="memSeparator" colspan="2">&#160;</td></tr>
+<tr class="memitem:a95921330e3be266b59a4eb94c5879fbe"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classVamp_1_1FFTReal.html#a95921330e3be266b59a4eb94c5879fbe">inverse</a> (const double *ci, double *ro)</td></tr>
+<tr class="memdesc:a95921330e3be266b59a4eb94c5879fbe"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate an inverse transform of size n.  <a href="#a95921330e3be266b59a4eb94c5879fbe">More...</a><br /></td></tr>
+<tr class="separator:a95921330e3be266b59a4eb94c5879fbe"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table><table class="memberdecls">
+<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pri-attribs"></a>
+Private Attributes</h2></td></tr>
+<tr class="memitem:a7161d0e61886644b362392fa7df03104"><td class="memItemLeft" align="right" valign="top">D *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classVamp_1_1FFTReal.html#a7161d0e61886644b362392fa7df03104">m_d</a></td></tr>
+<tr class="separator:a7161d0e61886644b362392fa7df03104"><td class="memSeparator" colspan="2">&#160;</td></tr>
+</table>
+<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
+<div class="textblock"><p>A simple <a class="el" href="classVamp_1_1FFT.html" title="A simple FFT implementation provided for convenience of plugin authors. ">FFT</a> implementation provided for convenience of plugin authors. </p>
+<p>This class provides transforms between double-precision real time-domain and double-precision complex frequency-domain data.</p>
+<p>Note: If the SDK has been compiled with the SINGLE_PRECISION_FFT flag, then all FFTs will use single precision internally. The default is double precision. The API uses doubles in either case.</p>
+<p>The forward transform is unscaled; the inverse transform is scaled by 1/n. </p>
+
+<p class="definition">Definition at line <a class="el" href="FFT_8h_source.html#l00161">161</a> of file <a class="el" href="FFT_8h_source.html">FFT.h</a>.</p>
+</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
+<a id="a322be62b02d4dce71271d1b6af69310d"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a322be62b02d4dce71271d1b6af69310d">&#9670;&nbsp;</a></span>FFTReal()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">Vamp::FFTReal::FFTReal </td>
+          <td>(</td>
+          <td class="paramtype">unsigned int&#160;</td>
+          <td class="paramname"><em>n</em></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Prepare to calculate transforms of size n. </p>
+<p>n must be a multiple of 2. </p>
+
+</div>
+</div>
+<a id="ade37f8ce309792f154b6e3b20cc23ad1"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#ade37f8ce309792f154b6e3b20cc23ad1">&#9670;&nbsp;</a></span>~FFTReal()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">Vamp::FFTReal::~FFTReal </td>
+          <td>(</td>
+          <td class="paramname"></td><td>)</td>
+          <td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+</div>
+</div>
+<h2 class="groupheader">Member Function Documentation</h2>
+<a id="a25dfbb5bf24bdc4da8409ffdc3d827da"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a25dfbb5bf24bdc4da8409ffdc3d827da">&#9670;&nbsp;</a></span>forward()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">void Vamp::FFTReal::forward </td>
+          <td>(</td>
+          <td class="paramtype">const double *&#160;</td>
+          <td class="paramname"><em>ri</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">double *&#160;</td>
+          <td class="paramname"><em>co</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Calculate a forward transform of size n. </p>
+<p>ri must point to the real input data of size n.</p>
+<p>co must point to enough space to receive an interleaved complex output array of size n/2+1 (that is, n+2 doubles in total). </p>
+
+</div>
+</div>
+<a id="a95921330e3be266b59a4eb94c5879fbe"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a95921330e3be266b59a4eb94c5879fbe">&#9670;&nbsp;</a></span>inverse()</h2>
+
+<div class="memitem">
+<div class="memproto">
+      <table class="memname">
+        <tr>
+          <td class="memname">void Vamp::FFTReal::inverse </td>
+          <td>(</td>
+          <td class="paramtype">const double *&#160;</td>
+          <td class="paramname"><em>ci</em>, </td>
+        </tr>
+        <tr>
+          <td class="paramkey"></td>
+          <td></td>
+          <td class="paramtype">double *&#160;</td>
+          <td class="paramname"><em>ro</em>&#160;</td>
+        </tr>
+        <tr>
+          <td></td>
+          <td>)</td>
+          <td></td><td></td>
+        </tr>
+      </table>
+</div><div class="memdoc">
+
+<p>Calculate an inverse transform of size n. </p>
+<p>ci must point to an interleaved complex input array of size n/2+1 (that is, n+2 doubles in total).</p>
+<p>ro must point to enough space to receive the real output data of size n. The output is scaled by 1/n and only the real part is returned. </p>
+
+</div>
+</div>
+<h2 class="groupheader">Member Data Documentation</h2>
+<a id="a7161d0e61886644b362392fa7df03104"></a>
+<h2 class="memtitle"><span class="permalink"><a href="#a7161d0e61886644b362392fa7df03104">&#9670;&nbsp;</a></span>m_d</h2>
+
+<div class="memitem">
+<div class="memproto">
+<table class="mlabels">
+  <tr>
+  <td class="mlabels-left">
+      <table class="memname">
+        <tr>
+          <td class="memname">D* Vamp::FFTReal::m_d</td>
+        </tr>
+      </table>
+  </td>
+  <td class="mlabels-right">
+<span class="mlabels"><span class="mlabel">private</span></span>  </td>
+  </tr>
+</table>
+</div><div class="memdoc">
+
+<p class="definition">Definition at line <a class="el" href="FFT_8h_source.html#l00195">195</a> of file <a class="el" href="FFT_8h_source.html">FFT.h</a>.</p>
+
+</div>
+</div>
+<hr/>The documentation for this class was generated from the following file:<ul>
+<li><a class="el" href="FFT_8h_source.html">FFT.h</a></li>
+</ul>
+</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="namespaceVamp.html">Vamp</a></li><li class="navelem"><a class="el" href="classVamp_1_1FFTReal.html">FFTReal</a></li>
+    <li class="footer">Generated by
+    <a href="http://www.doxygen.org/index.html">
+    <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.13 </li>
+  </ul>
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+</html>