119 lines
6 KiB
HTML
119 lines
6 KiB
HTML
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<html>
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<!-- This manual is for FFTW
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(version 3.3.10, 10 December 2020).
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Copyright (C) 2003 Matteo Frigo.
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Copyright (C) 2003 Massachusetts Institute of Technology.
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Permission is granted to make and distribute verbatim copies of this
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manual provided the copyright notice and this permission notice are
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preserved on all copies.
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Permission is granted to copy and distribute modified versions of this
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manual under the conditions for verbatim copying, provided that the
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entire resulting derived work is distributed under the terms of a
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permission notice identical to this one.
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Permission is granted to copy and distribute translations of this manual
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into another language, under the above conditions for modified versions,
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except that this permission notice may be stated in a translation
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approved by the Free Software Foundation. -->
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<title>Installation on non-Unix systems (FFTW 3.3.10)</title>
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<link href="Concept-Index.html" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Installation-and-Customization.html" rel="up" title="Installation and Customization">
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<span id="Installation-on-non_002dUnix-systems"></span><div class="header">
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<p>
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Next: <a href="Cycle-Counters.html" accesskey="n" rel="next">Cycle Counters</a>, Previous: <a href="Installation-on-Unix.html" accesskey="p" rel="prev">Installation on Unix</a>, Up: <a href="Installation-and-Customization.html" accesskey="u" rel="up">Installation and Customization</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<span id="Installation-on-non_002dUnix-systems-1"></span><h3 class="section">10.2 Installation on non-Unix systems</h3>
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<p>It should be relatively straightforward to compile FFTW even on non-Unix
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systems lacking the niceties of a <code>configure</code> script. Basically,
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you need to edit the <code>config.h</code> header (copy it from
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<code>config.h.in</code>) to <code>#define</code> the various options and compiler
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characteristics, and then compile all the ‘<samp>.c</samp>’ files in the
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relevant directories.
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</p>
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<p>The <code>config.h</code> header contains about 100 options to set, each one
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initially an <code>#undef</code>, each documented with a comment, and most of
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them fairly obvious. For most of the options, you should simply
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<code>#define</code> them to <code>1</code> if they are applicable, although a few
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options require a particular value (e.g. <code>SIZEOF_LONG_LONG</code> should
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be defined to the size of the <code>long long</code> type, in bytes, or zero
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if it is not supported). We will likely post some sample
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<code>config.h</code> files for various operating systems and compilers for
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you to use (at least as a starting point). Please let us know if you
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have to hand-create a configuration file (and/or a pre-compiled binary)
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that you want to share.
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</p>
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<p>To create the FFTW library, you will then need to compile all of the
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‘<samp>.c</samp>’ files in the <code>kernel</code>, <code>dft</code>, <code>dft/scalar</code>,
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<code>dft/scalar/codelets</code>, <code>rdft</code>, <code>rdft/scalar</code>,
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<code>rdft/scalar/r2cf</code>, <code>rdft/scalar/r2cb</code>,
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<code>rdft/scalar/r2r</code>, <code>reodft</code>, and <code>api</code> directories.
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If you are compiling with SIMD support (e.g. you defined
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<code>HAVE_SSE2</code> in <code>config.h</code>), then you also need to compile
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the <code>.c</code> files in the <code>simd-support</code>,
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<code>{dft,rdft}/simd</code>, <code>{dft,rdft}/simd/*</code> directories.
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</p>
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<p>Once these files are all compiled, link them into a library, or a shared
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library, or directly into your program.
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</p>
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<p>To compile the FFTW test program, additionally compile the code in the
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<code>libbench2/</code> directory, and link it into a library. Then compile
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the code in the <code>tests/</code> directory and link it to the
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<code>libbench2</code> and FFTW libraries. To compile the <code>fftw-wisdom</code>
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(command-line) tool (see <a href="Wisdom-Utilities.html">Wisdom Utilities</a>), compile
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<code>tools/fftw-wisdom.c</code> and link it to the <code>libbench2</code> and FFTW
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libraries
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</p>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Cycle-Counters.html" accesskey="n" rel="next">Cycle Counters</a>, Previous: <a href="Installation-on-Unix.html" accesskey="p" rel="prev">Installation on Unix</a>, Up: <a href="Installation-and-Customization.html" accesskey="u" rel="up">Installation and Customization</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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</html>
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