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1 <html lang="en">
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2 <head>
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3 <title>Guru Interface - FFTW 3.3.4</title>
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4 <meta http-equiv="Content-Type" content="text/html">
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5 <meta name="description" content="FFTW 3.3.4">
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6 <meta name="generator" content="makeinfo 4.13">
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7 <link title="Top" rel="start" href="index.html#Top">
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8 <link rel="up" href="FFTW-Reference.html#FFTW-Reference" title="FFTW Reference">
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9 <link rel="prev" href="Advanced-Interface.html#Advanced-Interface" title="Advanced Interface">
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10 <link rel="next" href="New_002darray-Execute-Functions.html#New_002darray-Execute-Functions" title="New-array Execute Functions">
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11 <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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12 <!--
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13 This manual is for FFTW
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14 (version 3.3.4, 20 September 2013).
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15
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16 Copyright (C) 2003 Matteo Frigo.
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17
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18 Copyright (C) 2003 Massachusetts Institute of Technology.
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19
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20 Permission is granted to make and distribute verbatim copies of
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21 this manual provided the copyright notice and this permission
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22 notice are preserved on all copies.
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23
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24 Permission is granted to copy and distribute modified versions of
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25 this manual under the conditions for verbatim copying, provided
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26 that the entire resulting derived work is distributed under the
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27 terms of a permission notice identical to this one.
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28
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29 Permission is granted to copy and distribute translations of this
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30 manual into another language, under the above conditions for
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31 modified versions, except that this permission notice may be
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32 stated in a translation approved by the Free Software Foundation.
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33 -->
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34 <meta http-equiv="Content-Style-Type" content="text/css">
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35 <style type="text/css"><!--
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36 pre.display { font-family:inherit }
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44 span.sansserif { font-family:sans-serif; font-weight:normal; }
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45 --></style>
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46 </head>
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47 <body>
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48 <div class="node">
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49 <a name="Guru-Interface"></a>
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50 <p>
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51 Next: <a rel="next" accesskey="n" href="New_002darray-Execute-Functions.html#New_002darray-Execute-Functions">New-array Execute Functions</a>,
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52 Previous: <a rel="previous" accesskey="p" href="Advanced-Interface.html#Advanced-Interface">Advanced Interface</a>,
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53 Up: <a rel="up" accesskey="u" href="FFTW-Reference.html#FFTW-Reference">FFTW Reference</a>
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54 <hr>
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55 </div>
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56
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57 <h3 class="section">4.5 Guru Interface</h3>
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58
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59 <p><a name="index-guru-interface-241"></a>
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60 The “guru” interface to FFTW is intended to expose as much as possible
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61 of the flexibility in the underlying FFTW architecture. It allows one
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62 to compute multi-dimensional “vectors” (loops) of multi-dimensional
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63 transforms, where each vector/transform dimension has an independent
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64 size and stride.
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65 <a name="index-vector-242"></a>One can also use more general complex-number formats, e.g. separate real
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66 and imaginary arrays.
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67
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68 <p>For those users who require the flexibility of the guru interface, it is
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69 important that they pay special attention to the documentation lest they
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70 shoot themselves in the foot.
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71
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72 <ul class="menu">
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73 <li><a accesskey="1" href="Interleaved-and-split-arrays.html#Interleaved-and-split-arrays">Interleaved and split arrays</a>
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74 <li><a accesskey="2" href="Guru-vector-and-transform-sizes.html#Guru-vector-and-transform-sizes">Guru vector and transform sizes</a>
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75 <li><a accesskey="3" href="Guru-Complex-DFTs.html#Guru-Complex-DFTs">Guru Complex DFTs</a>
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76 <li><a accesskey="4" href="Guru-Real_002ddata-DFTs.html#Guru-Real_002ddata-DFTs">Guru Real-data DFTs</a>
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77 <li><a accesskey="5" href="Guru-Real_002dto_002dreal-Transforms.html#Guru-Real_002dto_002dreal-Transforms">Guru Real-to-real Transforms</a>
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78 <li><a accesskey="6" href="64_002dbit-Guru-Interface.html#g_t64_002dbit-Guru-Interface">64-bit Guru Interface</a>
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79 </ul>
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80
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81 <!-- =========> -->
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82 </body></html>
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83
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