homebrew-core/Formula/s2geometry.rb
2019-08-31 12:36:58 +02:00

91 lines
2.8 KiB
Ruby

class S2geometry < Formula
desc "Computational geometry and spatial indexing on the sphere"
homepage "https://github.com/google/s2geometry.git"
url "https://github.com/google/s2geometry/archive/v0.9.0.tar.gz"
sha256 "54c09b653f68929e8929bffa60ea568e26f3b4a51e1b1734f5c3c037f1d89062"
revision 1
bottle do
cellar :any
sha256 "5ecc3866aa3ad158fbb42b3d1b545d5c69a1ad5f1d5a574ae902de320d28d073" => :mojave
sha256 "cfdbc5dd02ab2ddd7561342f6c225c8de8c86b5dcbf321265e33d3296a8b66f1" => :high_sierra
sha256 "870466f63d2da435da772eff61412ea7a474bd72234f9e14e61deb850223791b" => :sierra
end
depends_on "cmake" => :build
depends_on "glog" => :build
depends_on "openssl@1.1"
resource "gtest" do
url "https://github.com/google/googletest/archive/release-1.8.1.tar.gz"
sha256 "9bf1fe5182a604b4135edc1a425ae356c9ad15e9b23f9f12a02e80184c3a249c"
end
def install
ENV["OPENSSL_ROOT_DIR"] = Formula["openssl@1.1"].opt_prefix
(buildpath/"gtest").install resource "gtest"
(buildpath/"gtest/googletest").cd do
system "cmake", "."
system "make"
end
ENV["CXXFLAGS"] = "-I../gtest/googletest/include"
args = std_cmake_args + %w[
-DWITH_GLOG=1
..
]
mkdir "build-shared" do
system "cmake", *args
system "make", "s2"
lib.install "libs2.dylib"
end
mkdir "build" do
system "cmake", *args, "-DBUILD_SHARED_LIBS=OFF",
"-DOPENSSL_USE_STATIC_LIBS=TRUE"
system "make", "install"
end
end
test do
(testpath/"test.cpp").write <<~EOS
#include <cinttypes>
#include <cstdint>
#include <cstdio>
#include "s2/base/commandlineflags.h"
#include "s2/s2earth.h"
#include "s2/s1chord_angle.h"
#include "s2/s2closest_point_query.h"
#include "s2/s2point_index.h"
#include "s2/s2testing.h"
DEFINE_int32(num_index_points, 10000, "Number of points to index");
DEFINE_int32(num_queries, 10000, "Number of queries");
DEFINE_double(query_radius_km, 100, "Query radius in kilometers");
int main(int argc, char **argv) {
S2PointIndex<int> index;
for (int i = 0; i < FLAGS_num_index_points; ++i) {
index.Add(S2Testing::RandomPoint(), i);
}
S2ClosestPointQuery<int> query(&index);
query.mutable_options()->set_max_distance(
S1Angle::Radians(S2Earth::KmToRadians(FLAGS_query_radius_km)));
int64_t num_found = 0;
for (int i = 0; i < FLAGS_num_queries; ++i) {
S2ClosestPointQuery<int>::PointTarget target(S2Testing::RandomPoint());
num_found += query.FindClosestPoints(&target).size();
}
return 0;
}
EOS
system ENV.cxx, "test.cpp", "-std=c++11", "-L#{lib}",
"-ls2", "-ls2testing",
"-o", "test"
system "./test"
end
end