homebrew-core/Formula/eigen.rb
2017-09-15 05:23:18 -07:00

57 lines
1.9 KiB
Ruby

class Eigen < Formula
desc "C++ template library for linear algebra"
homepage "https://eigen.tuxfamily.org/"
head "https://bitbucket.org/eigen/eigen", :using => :hg
stable do
url "https://bitbucket.org/eigen/eigen/get/3.3.4.tar.bz2"
sha256 "dd254beb0bafc695d0f62ae1a222ff85b52dbaa3a16f76e781dce22d0d20a4a6"
# Fix "CMake Error: CMAKE_Fortran_COMPILER not set, after EnableLanguage"
# Upstream commit from 20 Jun 2017 "Make sure CMAKE_Fortran_COMPILER is set
# before checking for Fortran functions"
patch do
url "https://bitbucket.org/eigen/eigen/commits/dbab66d00651bf050d1426334a39b627abe7216e/raw"
sha256 "04b679525437f2a7672ed51ef864cf7ddffa61ce2025035d2355bc065d962823"
end
end
bottle do
cellar :any_skip_relocation
sha256 "4cc2b76353629941ff0098928d331e1620c5e27e5d55f337deae8b35f8af1b97" => :high_sierra
sha256 "73b77dbad9910ff34a3b3dfe24db8c9e84b0bf0dc6e2ea8ebd9cb663083fa9e1" => :sierra
sha256 "8bd6a07c4625266bd8631f636b317b19916611308e7f9eeec5f5b8b847327ef9" => :el_capitan
sha256 "8bd6a07c4625266bd8631f636b317b19916611308e7f9eeec5f5b8b847327ef9" => :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