Mercurial > hg > sv-dependency-builds
diff src/fftw-3.3.3/doc/html/Tutorial.html @ 95:89f5e221ed7b
Add FFTW3
author | Chris Cannam <cannam@all-day-breakfast.com> |
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date | Wed, 20 Mar 2013 15:35:50 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/fftw-3.3.3/doc/html/Tutorial.html Wed Mar 20 15:35:50 2013 +0000 @@ -0,0 +1,90 @@ +<html lang="en"> +<head> +<title>Tutorial - FFTW 3.3.3</title> +<meta http-equiv="Content-Type" content="text/html"> +<meta name="description" content="FFTW 3.3.3"> +<meta name="generator" content="makeinfo 4.13"> +<link title="Top" rel="start" href="index.html#Top"> +<link rel="prev" href="Introduction.html#Introduction" title="Introduction"> +<link rel="next" href="Other-Important-Topics.html#Other-Important-Topics" title="Other Important Topics"> +<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> +<!-- +This manual is for FFTW +(version 3.3.3, 25 November 2012). + +Copyright (C) 2003 Matteo Frigo. + +Copyright (C) 2003 Massachusetts Institute of Technology. + + Permission is granted to make and distribute verbatim copies of + this manual provided the copyright notice and this permission + notice are preserved on all copies. + + Permission is granted to copy and distribute modified versions of + this manual under the conditions for verbatim copying, provided + that the entire resulting derived work is distributed under the + terms of a permission notice identical to this one. + + Permission is granted to copy and distribute translations of this + manual into another language, under the above conditions for + modified versions, except that this permission notice may be + stated in a translation approved by the Free Software Foundation. + --> +<meta http-equiv="Content-Style-Type" content="text/css"> +<style type="text/css"><!-- + pre.display { font-family:inherit } + pre.format { font-family:inherit } + pre.smalldisplay { font-family:inherit; font-size:smaller } + pre.smallformat { font-family:inherit; font-size:smaller } + pre.smallexample { font-size:smaller } + pre.smalllisp { font-size:smaller } + span.sc { font-variant:small-caps } + span.roman { font-family:serif; font-weight:normal; } + span.sansserif { font-family:sans-serif; font-weight:normal; } +--></style> +</head> +<body> +<div class="node"> +<a name="Tutorial"></a> +<p> +Next: <a rel="next" accesskey="n" href="Other-Important-Topics.html#Other-Important-Topics">Other Important Topics</a>, +Previous: <a rel="previous" accesskey="p" href="Introduction.html#Introduction">Introduction</a>, +Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a> +<hr> +</div> + +<h2 class="chapter">2 Tutorial</h2> + +<ul class="menu"> +<li><a accesskey="1" href="Complex-One_002dDimensional-DFTs.html#Complex-One_002dDimensional-DFTs">Complex One-Dimensional DFTs</a> +<li><a accesskey="2" href="Complex-Multi_002dDimensional-DFTs.html#Complex-Multi_002dDimensional-DFTs">Complex Multi-Dimensional DFTs</a> +<li><a accesskey="3" href="One_002dDimensional-DFTs-of-Real-Data.html#One_002dDimensional-DFTs-of-Real-Data">One-Dimensional DFTs of Real Data</a> +<li><a accesskey="4" href="Multi_002dDimensional-DFTs-of-Real-Data.html#Multi_002dDimensional-DFTs-of-Real-Data">Multi-Dimensional DFTs of Real Data</a> +<li><a accesskey="5" href="More-DFTs-of-Real-Data.html#More-DFTs-of-Real-Data">More DFTs of Real Data</a> +</ul> + +<p>This chapter describes the basic usage of FFTW, i.e., how to compute +<a name="index-basic-interface-14"></a>the Fourier transform of a single array. This chapter tells the +truth, but not the <em>whole</em> truth. Specifically, FFTW implements +additional routines and flags that are not documented here, although +in many cases we try to indicate where added capabilities exist. For +more complete information, see <a href="FFTW-Reference.html#FFTW-Reference">FFTW Reference</a>. (Note that you +need to compile and install FFTW before you can use it in a program. +For the details of the installation, see <a href="Installation-and-Customization.html#Installation-and-Customization">Installation and Customization</a>.) + + <p>We recommend that you read this tutorial in order.<a rel="footnote" href="#fn-1" name="fnd-1"><sup>1</sup></a> At the least, read the first section (see <a href="Complex-One_002dDimensional-DFTs.html#Complex-One_002dDimensional-DFTs">Complex One-Dimensional DFTs</a>) before reading any of the others, even if your +main interest lies in one of the other transform types. + + <p>Users of FFTW version 2 and earlier may also want to read <a href="Upgrading-from-FFTW-version-2.html#Upgrading-from-FFTW-version-2">Upgrading from FFTW version 2</a>. + +<!-- --> + <div class="footnote"> +<hr> +<h4>Footnotes</h4><p class="footnote"><small>[<a name="fn-1" href="#fnd-1">1</a>]</small> You can +read the tutorial in bit-reversed order after computing your first +transform.</p> + + <hr></div> + + </body></html> +