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  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2011-12-14 13:21:22 UTC
  • mfrom: (3.1.5 sid)
  • Revision ID: package-import@ubuntu.com-20111214132122-l4avyl2kkr7vq5aj
Tags: 3.3-1ubuntu1
* Merge with Debian; remaining changes:
  - Revert the ARM workaround.

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<html lang="en">
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<head>
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<title>Guru Complex DFTs - FFTW 3.2.2</title>
 
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<title>Guru Complex DFTs - FFTW 3.3</title>
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<meta http-equiv="Content-Type" content="text/html">
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<meta name="description" content="FFTW 3.2.2">
 
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<meta name="description" content="FFTW 3.3">
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<meta name="generator" content="makeinfo 4.13">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Guru-Interface.html#Guru-Interface" title="Guru Interface">
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<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage">
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<!--
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This manual is for FFTW
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(version 3.2.2, 12 July 2009).
 
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(version 3.3, 26 July 2011).
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Copyright (C) 2003 Matteo Frigo.
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          double *ri, double *ii, double *ro, double *io,
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          unsigned flags);
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</pre>
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   <p><a name="index-fftw_005fplan_005fguru_005fdft-240"></a><a name="index-fftw_005fplan_005fguru_005fsplit_005fdft-241"></a>
 
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   <p><a name="index-fftw_005fplan_005fguru_005fdft-248"></a><a name="index-fftw_005fplan_005fguru_005fsplit_005fdft-249"></a>
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These two functions plan a complex-data, multi-dimensional DFT
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for the interleaved and split format, respectively. 
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Transform dimensions are given by (<code>rank</code>, <code>dims</code>) over a
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to <code>fftw_iodim</code> arrays of length <code>rank</code> and
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<code>howmany_rank</code>, respectively.
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   <p><a name="index-flags-242"></a><code>flags</code> is a bitwise OR (&lsquo;<samp><span class="samp">|</span></samp>&rsquo;) of zero or more planner flags,
 
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   <p><a name="index-flags-250"></a><code>flags</code> is a bitwise OR (&lsquo;<samp><span class="samp">|</span></samp>&rsquo;) of zero or more planner flags,
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as defined in <a href="Planner-Flags.html#Planner-Flags">Planner Flags</a>.
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   <p>In the <code>fftw_plan_guru_dft</code> function, the pointers <code>in</code> and