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Add FFTW3
author Chris Cannam <cannam@all-day-breakfast.com>
date Wed, 20 Mar 2013 15:35:50 +0000
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1 <html lang="en">
2 <head>
3 <title>Guru Interface - FFTW 3.3.3</title>
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12 <!--
13 This manual is for FFTW
14 (version 3.3.3, 25 November 2012).
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16 Copyright (C) 2003 Matteo Frigo.
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18 Copyright (C) 2003 Massachusetts Institute of Technology.
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49 <a name="Guru-Interface"></a>
50 <p>
51 Next:&nbsp;<a rel="next" accesskey="n" href="New_002darray-Execute-Functions.html#New_002darray-Execute-Functions">New-array Execute Functions</a>,
52 Previous:&nbsp;<a rel="previous" accesskey="p" href="Advanced-Interface.html#Advanced-Interface">Advanced Interface</a>,
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54 <hr>
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56
57 <h3 class="section">4.5 Guru Interface</h3>
58
59 <p><a name="index-guru-interface-239"></a>
60 The &ldquo;guru&rdquo; interface to FFTW is intended to expose as much as possible
61 of the flexibility in the underlying FFTW architecture. It allows one
62 to compute multi-dimensional &ldquo;vectors&rdquo; (loops) of multi-dimensional
63 transforms, where each vector/transform dimension has an independent
64 size and stride.
65 <a name="index-vector-240"></a>One can also use more general complex-number formats, e.g. separate real
66 and imaginary arrays.
67
68 <p>For those users who require the flexibility of the guru interface, it is
69 important that they pay special attention to the documentation lest they
70 shoot themselves in the foot.
71
72 <ul class="menu">
73 <li><a accesskey="1" href="Interleaved-and-split-arrays.html#Interleaved-and-split-arrays">Interleaved and split arrays</a>
74 <li><a accesskey="2" href="Guru-vector-and-transform-sizes.html#Guru-vector-and-transform-sizes">Guru vector and transform sizes</a>
75 <li><a accesskey="3" href="Guru-Complex-DFTs.html#Guru-Complex-DFTs">Guru Complex DFTs</a>
76 <li><a accesskey="4" href="Guru-Real_002ddata-DFTs.html#Guru-Real_002ddata-DFTs">Guru Real-data DFTs</a>
77 <li><a accesskey="5" href="Guru-Real_002dto_002dreal-Transforms.html#Guru-Real_002dto_002dreal-Transforms">Guru Real-to-real Transforms</a>
78 <li><a accesskey="6" href="64_002dbit-Guru-Interface.html#g_t64_002dbit-Guru-Interface">64-bit Guru Interface</a>
79 </ul>
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