84 lines
3.0 KiB
Ruby
84 lines
3.0 KiB
Ruby
class Fftw < Formula
|
|
desc "C routines to compute the Discrete Fourier Transform"
|
|
homepage "http://www.fftw.org"
|
|
url "http://fftw.org/fftw-3.3.7.tar.gz"
|
|
sha256 "3b609b7feba5230e8f6dd8d245ddbefac324c5a6ae4186947670d9ac2cd25573"
|
|
revision 1
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha256 "9b75b4f667c2346cbdd285b9c499ad5bb8f4662a326061ed8718142894147eab" => :high_sierra
|
|
sha256 "d504285d5ce7d4510f14274e4738824d197c60ab4cb56d08a16284f368f8ae74" => :sierra
|
|
sha256 "591d1ad247fc19a1b0881dc4454c88bcf30dca774ac5f57e9f25d8bfa50724f6" => :el_capitan
|
|
end
|
|
|
|
option "with-mpi", "Enable MPI parallel transforms"
|
|
option "with-openmp", "Enable OpenMP parallel transforms"
|
|
option "without-fortran", "Disable Fortran bindings"
|
|
|
|
depends_on "open-mpi" if build.with? "mpi"
|
|
|
|
depends_on "gcc" if build.with?("fortran") || build.with?("openmp")
|
|
fails_with :clang if build.with? "openmp"
|
|
|
|
def install
|
|
args = ["--enable-shared",
|
|
"--disable-debug",
|
|
"--prefix=#{prefix}",
|
|
"--enable-threads",
|
|
"--disable-dependency-tracking"]
|
|
simd_args = ["--enable-sse2"]
|
|
simd_args << "--enable-avx" if ENV.compiler == :clang && Hardware::CPU.avx? && !build.bottle?
|
|
simd_args << "--enable-avx2" if ENV.compiler == :clang && Hardware::CPU.avx2? && !build.bottle?
|
|
|
|
args << "--disable-fortran" if build.without? "fortran"
|
|
args << "--enable-mpi" if build.with? "mpi"
|
|
args << "--enable-openmp" if build.with? "openmp"
|
|
|
|
# single precision
|
|
# enable-sse2, enable-avx and enable-avx2 work for both single and double precision
|
|
system "./configure", "--enable-single", *(args + simd_args)
|
|
system "make", "install"
|
|
|
|
# clean up so we can compile the double precision variant
|
|
system "make", "clean"
|
|
|
|
# double precision
|
|
# enable-sse2, enable-avx and enable-avx2 work for both single and double precision
|
|
system "./configure", *(args + simd_args)
|
|
system "make", "install"
|
|
|
|
# clean up so we can compile the long-double precision variant
|
|
system "make", "clean"
|
|
|
|
# long-double precision
|
|
# no SIMD optimization available
|
|
system "./configure", "--enable-long-double", *args
|
|
system "make", "install"
|
|
end
|
|
|
|
test do
|
|
# Adapted from the sample usage provided in the documentation:
|
|
# http://www.fftw.org/fftw3_doc/Complex-One_002dDimensional-DFTs.html
|
|
(testpath/"fftw.c").write <<~EOS
|
|
#include <fftw3.h>
|
|
int main(int argc, char* *argv)
|
|
{
|
|
fftw_complex *in, *out;
|
|
fftw_plan p;
|
|
long N = 1;
|
|
in = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * N);
|
|
out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex) * N);
|
|
p = fftw_plan_dft_1d(N, in, out, FFTW_FORWARD, FFTW_ESTIMATE);
|
|
fftw_execute(p); /* repeat as needed */
|
|
fftw_destroy_plan(p);
|
|
fftw_free(in); fftw_free(out);
|
|
return 0;
|
|
}
|
|
EOS
|
|
|
|
system ENV.cc, "-o", "fftw", "fftw.c", "-L#{lib}", "-lfftw3", *ENV.cflags.to_s.split
|
|
system "./fftw"
|
|
end
|
|
end
|