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

   1 // Boost.Geometry
   2 // Unit Test
   3
   4 // Copyright (c) 2018-2019 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_geo.hpp"
  11
  12 static std::string const simplex = "POINT(4.9 52.0)";
  13
  14 template <bool Clockwise, typename PointType>
  15 void test_point()
  16 {
  17     typedef bg::model::polygon<PointType, Clockwise> polygon;
  18
  19     bg::strategy::buffer::join_miter join_miter;
  20     bg::strategy::buffer::end_flat end_flat;
  21
  22     // NOTE: for now do not test with a radius less than 2 meter, because is not precise yet (in double)
  23     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 70.7107, 5.0, ut_settings(0.1, false, 8));
  24     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 76.5437, 5.0, ut_settings(0.1, false, 16));
  25     // * Result is different for clang/VCC. Specified expectation is in between, and tolerance higher
  26     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 77.9640, 5.0, ut_settings(0.2, false, 32));
  27
  28     // The more points used for the buffer, the more the area approaches 10*PI square meters
  29     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 282.8430, 10.0, ut_settings(0.1, false, 8));
  30     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 306.1471, 10.0, ut_settings(0.1, false, 16));
  31     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 312.1450, 10.0, ut_settings(0.1, false, 32));
  32     // * Same here
  33     test_one_geo<PointType, polygon>("simplex1", simplex, join_miter, end_flat, 313.9051, 10.0, ut_settings(0.2, false, 180));
  34 }
  35
  36 int test_main(int, char* [])
  37 {
  38     BoostGeometryWriteTestConfiguration();
  39
  40     test_point<true, bg::model::point<default_test_type, 2, bg::cs::geographic<bg::degree> > >();
  41
  42 #if ! defined(BOOST_GEOMETRY_TEST_ONLY_ONE_TYPE)
  43     test_point<true, bg::model::point<long double, 2, bg::cs::geographic<bg::degree> > >();
  44 #endif
  45
  46     return 0;
  47 }