Mercurial > hg > batch-feature-extraction-tool
diff Lib/fftw-3.2.1/doc/html/.svn/text-base/Memory-Allocation.html.svn-base @ 15:585caf503ef5 tip
Tidy up for ROLI
author | Geogaddi\David <d.m.ronan@qmul.ac.uk> |
---|---|
date | Tue, 17 May 2016 18:50:19 +0100 |
parents | 636c989477e7 |
children |
line wrap: on
line diff
--- a/Lib/fftw-3.2.1/doc/html/.svn/text-base/Memory-Allocation.html.svn-base Wed May 04 11:02:59 2016 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,82 +0,0 @@ -<html lang="en"> -<head> -<title>Memory Allocation - FFTW 3.2.1</title> -<meta http-equiv="Content-Type" content="text/html"> -<meta name="description" content="FFTW 3.2.1"> -<meta name="generator" content="makeinfo 4.8"> -<link title="Top" rel="start" href="index.html#Top"> -<link rel="up" href="Data-Types-and-Files.html#Data-Types-and-Files" title="Data Types and Files"> -<link rel="prev" href="Precision.html#Precision" title="Precision"> -<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> -<!-- -This manual is for FFTW -(version 3.2.1, 5 February 2009). - -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"> -<p> -<a name="Memory-Allocation"></a> -Previous: <a rel="previous" accesskey="p" href="Precision.html#Precision">Precision</a>, -Up: <a rel="up" accesskey="u" href="Data-Types-and-Files.html#Data-Types-and-Files">Data Types and Files</a> -<hr> -</div> - -<h4 class="subsection">4.1.3 Memory Allocation</h4> - -<pre class="example"> void *fftw_malloc(size_t n); - void fftw_free(void *p); -</pre> - <p><a name="index-fftw_005fmalloc-142"></a><a name="index-fftw_005ffree-143"></a> -These are functions that behave identically to <code>malloc</code> and -<code>free</code>, except that they guarantee that the returned pointer obeys -any special alignment restrictions imposed by any algorithm in FFTW -(e.g. for SIMD acceleration). See <a href="Data-Alignment.html#Data-Alignment">Data Alignment</a>. -<a name="index-alignment-144"></a> -Data allocated by <code>fftw_malloc</code> <em>must</em> be deallocated by -<code>fftw_free</code> and not by the ordinary <code>free</code>. - - <p>These routines simply call through to your operating system's -<code>malloc</code> or, if necessary, its aligned equivalent -(e.g. <code>memalign</code>), so you normally need not worry about any -significant time or space overhead. You are <em>not required</em> to use -them to allocate your data, but we strongly recommend it. - - <p>Note: in C++, just as with ordinary <code>malloc</code>, you must typecast -the output of <code>fftw_malloc</code> to whatever pointer type you are -allocating. -<a name="index-C_002b_002b-145"></a> -<!-- --> - - </body></html> -