homebrew-core/Formula/eigen.rb
2016-12-09 05:27:33 -08:00

49 lines
1.4 KiB
Ruby

class Eigen < Formula
desc "C++ template library for linear algebra"
homepage "https://eigen.tuxfamily.org/"
url "https://bitbucket.org/eigen/eigen/get/3.3.1.tar.bz2"
sha256 "a0b4cebaabd8f371d1b364f9723585fbcc7c9640ca60273b99835e6cf115f056"
head "https://bitbucket.org/eigen/eigen", :using => :hg
bottle do
cellar :any_skip_relocation
sha256 "e0a5c96d5bbe5f9dcd7ffc4e75d2c83dd92d40f953623a96dc3705799b9a3ce3" => :sierra
sha256 "9ef7e849e5496407789e2113a25097b1a797086eba6d8350a020a3905fcb0f1a" => :el_capitan
sha256 "9ef7e849e5496407789e2113a25097b1a797086eba6d8350a020a3905fcb0f1a" => :yosemite
end
option :universal
depends_on "cmake" => :build
def install
ENV.universal_binary if build.universal?
mkdir "eigen-build" do
args = std_cmake_args
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 %w[3 -1 2.5 1.5], shell_output("./test").split
end
end