52 lines
1.4 KiB
Ruby
52 lines
1.4 KiB
Ruby
class Eigen < Formula
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desc "C++ template library for linear algebra"
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homepage "https://eigen.tuxfamily.org/"
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url "https://gitlab.com/libeigen/eigen/-/archive/3.4.0/eigen-3.4.0.tar.gz"
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sha256 "8586084f71f9bde545ee7fa6d00288b264a2b7ac3607b974e54d13e7162c1c72"
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license "MPL-2.0"
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revision 1
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head "https://gitlab.com/libeigen/eigen.git", branch: "master"
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livecheck do
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url :stable
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regex(/^v?(\d+(?:\.\d+)+)$/i)
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end
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bottle do
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sha256 cellar: :any_skip_relocation, all: "211fd7f1d58b383e3d64335c08a376a7d8433007ce61410ead0320df34b6f4bd"
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end
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depends_on "cmake" => :build
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conflicts_with "freeling", because: "freeling ships its own copy of eigen"
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def install
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mkdir "eigen-build" do
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args = std_cmake_args
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args << "-Dpkg_config_libdir=#{lib}" << ".."
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system "cmake", *args
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system "make", "install"
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end
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(share/"cmake/Modules").install "cmake/FindEigen3.cmake"
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end
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test do
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(testpath/"test.cpp").write <<~EOS
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#include <iostream>
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#include <Eigen/Dense>
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using Eigen::MatrixXd;
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int main()
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{
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MatrixXd m(2,2);
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m(0,0) = 3;
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m(1,0) = 2.5;
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m(0,1) = -1;
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m(1,1) = m(1,0) + m(0,1);
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std::cout << m << std::endl;
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}
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EOS
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system ENV.cxx, "test.cpp", "-I#{include}/eigen3", "-o", "test"
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assert_equal %w[3 -1 2.5 1.5], shell_output("./test").split
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end
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end
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