ceph/src/boost/libs/geometry/test/algorithms/buffer/buffer_ring.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // Unit Test
   3
   4 // Copyright (c) 2017 Barend Gehrels, Amsterdam, the Netherlands.
   5
   6 // Use, modification and distribution is subject to the Boost Software License,
   7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #include <test_buffer.hpp>
  11
  12 // Short test verifying behavior of explicit ring_type (polygon without holes)
  13 // The test buffer_polygon.cpp contains all other tests, also for rings.
  14
  15 static std::string const concave_simplex = "POLYGON ((0 0,3 5,3 3,5 3,0 0))";
  16
  17 template <bool Clockwise, typename P>
  18 void test_all()
  19 {
  20     typedef bg::model::ring<P, Clockwise, true> ring_type;
  21     typedef bg::model::polygon<P, Clockwise, true> polygon_type;
  22
  23     bg::strategy::buffer::join_miter join_miter(10.0);
  24     bg::strategy::buffer::join_round join_round(100);
  25     bg::strategy::buffer::end_flat end_flat;
  26
  27     test_one<ring_type, polygon_type>("concave_simplex", concave_simplex, join_round, end_flat, 14.5616, 0.5);
  28     test_one<ring_type, polygon_type>("concave_simplex", concave_simplex, join_miter, end_flat, 16.3861, 0.5);
  29
  30     test_one<ring_type, polygon_type>("concave_simplex", concave_simplex, join_round, end_flat, 0.777987, -0.5);
  31     test_one<ring_type, polygon_type>("concave_simplex", concave_simplex, join_miter, end_flat, 0.724208, -0.5);
  32 }
  33
  34
  35 int test_main(int, char* [])
  36 {
  37     test_all<true, bg::model::point<double, 2, bg::cs::cartesian> >();
  38 #if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
  39     test_all<false, bg::model::point<double, 2, bg::cs::cartesian> >();
  40     test_all<true, bg::model::point<float, 2, bg::cs::cartesian> >();
  41     test_all<false, bg::model::point<float, 2, bg::cs::cartesian> >();
  42 #endif
  43     return 0;
  44 }