homebrew-core/Formula/eigen.rb

46 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/3.3.7.tar.bz2"
sha256 "9f13cf90dedbe3e52a19f43000d71fdf72e986beb9a5436dddcd61ff9d77a3ce"
head "https://bitbucket.org/eigen/eigen", :using => :hg
bottle do
cellar :any_skip_relocation
sha256 "683c2dd898245f61c298d1f2675885e7c67ec7e18f6665df1ec56f088bd670f4" => :mojave
sha256 "79c52d57394cf485eb324effab69279e4f3beb63cbacfa600ae0a678d852a827" => :high_sierra
sha256 "79c52d57394cf485eb324effab69279e4f3beb63cbacfa600ae0a678d852a827" => :sierra
end
depends_on "cmake" => :build
def install
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
#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