2009-10-15 08:07:12 +00:00
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require 'formula'
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2009-06-04 18:21:19 +00:00
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2011-03-10 05:11:03 +00:00
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class Fftw < Formula
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2010-07-01 19:37:36 +00:00
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homepage 'http://www.fftw.org'
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2014-05-12 09:38:45 +00:00
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url 'http://www.fftw.org/fftw-3.3.4.tar.gz'
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sha1 'fd508bac8ac13b3a46152c54b7ac885b69734262'
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2009-06-04 18:21:19 +00:00
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2014-02-24 15:11:24 +00:00
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bottle do
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cellar :any
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2014-11-05 22:50:27 +00:00
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revision 2
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sha1 "23ca4d2d44d13a4831cbeb8600425389050ca601" => :yosemite
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sha1 "5103995b587d5223f54c20ce64023aea5220de11" => :mavericks
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sha1 "7874a8fe1eeb52096a428778da61564358f6729e" => :mountain_lion
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2014-02-24 15:11:24 +00:00
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end
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2013-01-18 17:15:30 +00:00
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option "with-fortran", "Enable Fortran bindings"
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2014-02-26 13:10:09 +00:00
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option :universal
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2014-06-07 06:13:52 +00:00
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option "with-mpi", "Enable MPI parallel transforms"
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2013-01-18 17:15:30 +00:00
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2013-06-26 02:14:36 +00:00
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depends_on :fortran => :optional
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2014-06-07 06:13:52 +00:00
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depends_on :mpi => [:cc, :optional]
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2013-06-24 03:29:13 +00:00
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2009-06-04 18:21:19 +00:00
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def install
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2010-07-01 19:37:36 +00:00
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args = ["--enable-shared",
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"--disable-debug",
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"--prefix=#{prefix}",
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"--enable-threads",
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"--disable-dependency-tracking"]
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2013-11-06 13:36:05 +00:00
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simd_args = ["--enable-sse2"]
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simd_args << "--enable-avx" if ENV.compiler == :clang and Hardware::CPU.avx? and !build.bottle?
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2010-07-01 19:37:36 +00:00
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2014-03-06 20:40:26 +00:00
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args << "--disable-fortran" if build.without? "fortran"
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2014-06-07 06:13:52 +00:00
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args << "--enable-mpi" if build.with? "mpi"
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2010-07-01 19:37:36 +00:00
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2014-02-26 13:10:09 +00:00
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ENV.universal_binary if build.universal?
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2010-04-11 14:08:07 +00:00
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# single precision
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2013-11-06 13:36:05 +00:00
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# enable-sse2 and enable-avx works for both single and double precision
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system "./configure", "--enable-single", *(args + simd_args)
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2009-06-04 18:21:19 +00:00
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system "make install"
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2009-08-07 14:41:43 +00:00
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2010-04-11 14:08:07 +00:00
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# clean up so we can compile the double precision variant
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system "make clean"
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# double precision
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2013-11-06 13:36:05 +00:00
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# enable-sse2 and enable-avx works for both single and double precision
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system "./configure", *(args + simd_args)
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2010-04-11 14:08:07 +00:00
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system "make install"
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# clean up so we can compile the long-double precision variant
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system "make clean"
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# long-double precision
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2010-07-01 19:37:36 +00:00
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# no SIMD optimization available
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2010-08-08 17:20:15 +00:00
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system "./configure", "--enable-long-double", *args
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2010-04-11 14:08:07 +00:00
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system "make install"
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2009-06-04 18:21:19 +00:00
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end
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2013-06-02 21:03:36 +00:00
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test do
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# Adapted from the sample usage provided in the documentation:
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# http://www.fftw.org/fftw3_doc/Complex-One_002dDimensional-DFTs.html
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(testpath/'fftw.c').write <<-TEST_SCRIPT.undent
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#include <fftw3.h>
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int main(int argc, char* *argv)
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{
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fftw_complex *in, *out;
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fftw_plan p;
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long N = 1;
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in = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * N);
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out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * N);
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p = fftw_plan_dft_1d(N, in, out, FFTW_FORWARD, FFTW_ESTIMATE);
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fftw_execute(p); /* repeat as needed */
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fftw_destroy_plan(p);
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fftw_free(in); fftw_free(out);
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2013-06-07 14:54:29 +00:00
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return 0;
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2013-06-02 21:03:36 +00:00
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}
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TEST_SCRIPT
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2014-05-15 18:45:50 +00:00
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system ENV.cc, '-o', 'fftw', 'fftw.c', '-lfftw3', *ENV.cflags.to_s.split
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2013-06-02 21:03:36 +00:00
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system './fftw'
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end
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2010-04-11 14:08:07 +00:00
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end
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