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/3.3.3.tar.bz2"
sha256 "a4143fc45e4454b4b98fcea3516b3a79b8cdb3bc7fadf996d088c6a0d805fea1"
head "https://bitbucket.org/eigen/eigen", :using => :hg
bottle do
cellar :any_skip_relocation
sha256 "4dfbf894bb931eb44ebcadd1065d162d46916a9d93420a81596d049ccfb54820" => :sierra
sha256 "4dfbf894bb931eb44ebcadd1065d162d46916a9d93420a81596d049ccfb54820" => :el_capitan
sha256 "4dfbf894bb931eb44ebcadd1065d162d46916a9d93420a81596d049ccfb54820" => :yosemite
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.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