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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
- // This file was modified by Oracle on 2015.
- // Modifications copyright (c) 2015, Oracle and/or its affiliates.
- // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
- // Use, modification and distribution is subject to the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_GEOMETRY_TEST_CENTROID_HPP
- #define BOOST_GEOMETRY_TEST_CENTROID_HPP
- // Test-functionality, shared between single and multi tests
- #include <boost/variant/variant.hpp>
- #include <geometry_test_common.hpp>
- #include <boost/geometry/strategies/strategies.hpp>
- #include <boost/geometry/algorithms/centroid.hpp>
- #include <boost/geometry/algorithms/distance.hpp>
- #include <boost/geometry/geometries/adapted/boost_tuple.hpp>
- #include <boost/geometry/io/wkt/read.hpp>
- template <std::size_t D>
- struct check_result
- {
- template <typename Point1, typename Point2>
- static void apply(Point1 const& actual, Point2 const& expected)
- {
- check_result<D-1>::apply(actual, expected);
- BOOST_CHECK_CLOSE(bg::get<D-1>(actual), bg::get<D-1>(expected), 0.001);
- }
- };
- template <>
- struct check_result<0>
- {
- template <typename Point1, typename Point2>
- static void apply(Point1 const&, Point2 const&)
- {}
- };
- template <typename CalculationType, typename Geometry, typename Point>
- void test_with_other_calculation_type(Geometry const& geometry, Point& c1)
- {
- typedef typename bg::point_type<Geometry>::type point_type;
- // Calculate it with user defined strategy
- Point c2;
- bg::centroid(geometry, c2,
- bg::strategy::centroid::bashein_detmer<Point, point_type, CalculationType>());
- std::cout << typeid(CalculationType).name() << ": " << std::setprecision(20)
- << bg::get<0>(c2) << " " << bg::get<1>(c2)
- << " -> difference: " << bg::distance(c1, c2)
- << std::endl;
- }
- template <typename Geometry, typename Point, typename T>
- void test_centroid(Geometry const& geometry, T const& d1, T const& d2, T const& d3 = T(), T const& d4 = T(), T const& d5 = T())
- {
- Point c1;
- bg::centroid(geometry, c1);
- check_result<bg::dimension<Geometry>::type::value>::apply(c1, boost::make_tuple(d1, d2, d3, d4, d5));
- boost::variant<Geometry> v(geometry);
- bg::centroid(v, c1);
- #ifdef REPORT_RESULTS
- std::cout << "normal: " << std::setprecision(20) << bg::get<0>(c1) << " " << bg::get<1>(c1) << std::endl;
- //test_with_other_calculation_type<long long>(geometry, c1);
- test_with_other_calculation_type<float>(geometry, c1);
- test_with_other_calculation_type<long double>(geometry, c1);
- #if defined(HAVE_TTMATH)
- test_with_other_calculation_type<ttmath_big>(geometry, c1);
- #endif
- #endif
- }
- template <typename Geometry, typename Point, typename T>
- void test_centroid(std::string const& wkt, T const& d1, T const& d2, T const& d3 = T(), T const& d4 = T(), T const& d5 = T())
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- test_centroid<Geometry, Point>(geometry, d1, d2, d3, d4, d5);
- }
- template <typename Geometry, typename T>
- void test_centroid(Geometry const& geometry, T const& d1, T const& d2, T const& d3 = T(), T const& d4 = T(), T const& d5 = T())
- {
- test_centroid<Geometry, typename bg::point_type<Geometry>::type>(geometry, d1, d2, d3, d4, d5);
- }
- template <typename Geometry, typename T>
- void test_centroid(std::string const& wkt, T const& d1, T const& d2, T const& d3 = T(), T const& d4 = T(), T const& d5 = T())
- {
- test_centroid<Geometry, typename bg::point_type<Geometry>::type>(wkt, d1, d2, d3, d4, d5);
- }
- template <typename Geometry>
- void test_centroid_exception()
- {
- Geometry geometry;
- try
- {
- typename bg::point_type<Geometry>::type c;
- bg::centroid(geometry, c);
- }
- catch(bg::centroid_exception const& )
- {
- return;
- }
- BOOST_CHECK_MESSAGE(false, "A centroid_exception should have been thrown" );
- }
- template <typename Geometry>
- void test_centroid_exception(std::string const& wkt)
- {
- Geometry geometry;
- bg::read_wkt(wkt, geometry);
- try
- {
- typename bg::point_type<Geometry>::type c;
- bg::centroid(geometry, c);
- }
- catch(bg::centroid_exception const& )
- {
- return;
- }
- BOOST_CHECK_MESSAGE(false, "A centroid_exception should have been thrown" );
- }
- #endif
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