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class Eigen < Formula
homepage "http://eigen.tuxfamily.org/"
url "http://bitbucket.org/eigen/eigen/get/3.2.3.tar.bz2"
sha1 "303e8241aaa879a328d675de368525a591c42e51"
bottle do
cellar :any
sha1 "c5186ca59c192a26ace3775c6da18d7afc0a4669" => :yosemite
sha1 "83ea196f29660928719ba2ea2537b8b674a0f3b5" => :mavericks
sha1 "af6cc494f7082b18d88ffa61630d387575fd5e8f" => :mountain_lion
end
head "https://bitbucket.org/eigen/eigen", :using => :hg
depends_on "cmake" => :build
option :universal
def install
ENV.universal_binary if build.universal?
mkdir "eigen-build" do
args = std_cmake_args
args.delete "-DCMAKE_BUILD_TYPE=None"
args << "-DCMAKE_BUILD_TYPE=Release"
args << "-Dpkg_config_libdir=#{lib}" << ".."
system "cmake", *args
system "make install"
end
(share/"cmake/Modules").install "cmake/FindEigen3.cmake"
end
test do
(testpath/"test.cpp").write <<-EOS.undent
#include <iostream>
#include <Eigen/Dense>
using Eigen::MatrixXd;
int main()
{
MatrixXd m(2,2);
m(0,0) = 3;
m(1,0) = 2.5;
m(0,1) = -1;
m(1,1) = m(1,0) + m(0,1);
std::cout << m << std::endl;
}
EOS
system ENV.cxx, "test.cpp", "-I#{include}/eigen3", "-o", "test"
assert_equal `./test`.split, %w[3 -1 2.5 1.5]
end
end
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