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nixpkgs/pkgs/development/libraries/fftw/default.nix

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{ fetchurl, stdenv, lib, precision ? "double" }:
with lib;
assert elem precision [ "single" "double" "long-double" "quad-precision" ];
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let version = "3.3.4"; in
stdenv.mkDerivation rec {
name = "fftw-${precision}-${version}";
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src = fetchurl {
url = "ftp://ftp.fftw.org/pub/fftw/fftw-${version}.tar.gz";
sha256 = "10h9mzjxnwlsjziah4lri85scc05rlajz39nqf3mbh4vja8dw34g";
};
configureFlags =
[ "--enable-shared" "--disable-static"
"--enable-threads" "--enable-openmp" # very small wrappers
]
++ optional (precision != "double") "--enable-${precision}"
# all x86_64 have sse2
++ optional stdenv.isx86_64 "--enable-sse2";
enableParallelBuilding = true;
meta = {
description = "Fastest Fourier Transform in the West library";
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homepage = http://www.fftw.org/;
};
}