56 lines
1.8 KiB
Ruby
56 lines
1.8 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/3.3.8/eigen-3.3.8.tar.gz"
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sha256 "146a480b8ed1fb6ac7cd33fec9eb5e8f8f62c3683b3f850094d9d5c35a92419a"
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license "MPL-2.0"
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revision 1
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head "https://gitlab.com/libeigen/eigen"
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bottle do
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cellar :any_skip_relocation
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sha256 "2903f6439e0f52e371f6d0a3a8f167a35ce4c07662b04a2e86b26243f19d24ba" => :catalina
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sha256 "39ab24e3cd9d515b34f220eae5489e4effa732871d36c8e11daa588265ed89d3" => :mojave
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sha256 "3288da7047cf65b70c315806e97443743273d27fbcfeace9c1061ecbc2faeb4c" => :high_sierra
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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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# Emergency fix for build failures with OpenMP. Remove with the next release.
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patch do
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url "https://gitlab.com/libeigen/eigen/-/commit/ef3cc72cb65e2d500459c178c63e349bacfa834f.patch?full_index=1"
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sha256 "c04d624d550b119be0f810786baba7e0d7809edefd4854a2db6dbd98a7da5a7d"
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end
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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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