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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Unit Test
- // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
- // Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
- // 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)
- #include <geometry_test_common.hpp>
- #include <boost/core/ignore_unused.hpp>
- #include <boost/geometry/arithmetic/cross_product.hpp>
- #include <boost/geometry/algorithms/assign.hpp>
- #include <boost/geometry/geometries/point.hpp>
- #include <boost/geometry/geometries/adapted/c_array.hpp>
- #include <boost/geometry/geometries/adapted/boost_tuple.hpp>
- #include <test_common/test_point.hpp>
- template <typename P>
- void test_2d()
- {
- P p1;
- bg::assign_values(p1, 20, 30);
- P p2;
- bg::assign_values(p2, 45, 70);
- P c = bg::cross_product(p1, p2);
- typedef typename bg::coordinate_type<P>::type scalar_type;
- BOOST_CHECK_EQUAL(bg::get<0>(c), scalar_type(50));
- }
- template <typename P>
- void test_3d()
- {
- P p1;
- bg::assign_values(p1, 20, 30, 10);
- P p2;
- bg::assign_values(p2, 45, 70, 20);
- P c = bg::cross_product(p1, p2);
- typedef typename bg::coordinate_type<P>::type scalar_type;
- BOOST_CHECK_EQUAL(bg::get<0>(c), scalar_type(-100));
- BOOST_CHECK_EQUAL(bg::get<1>(c), scalar_type(50));
- BOOST_CHECK_EQUAL(bg::get<2>(c), scalar_type(50));
- }
- #ifdef TEST_FAIL_CROSS_PRODUCT
- template <typename P>
- void test_4d()
- {
- P p1;
- bg::assign_values(p1, 20, 30, 10);
- bg::set<3>(p1, 15);
- P p2;
- bg::assign_values(p2, 45, 70, 20);
- bg::set<3>(p2, 35);
- P c = bg::cross_product(p1, p2);
- boost::ignore_unused(c);
- }
- #endif
- int test_main(int, char* [])
- {
- test_2d<bg::model::point<int, 2, bg::cs::cartesian> >();
- test_2d<bg::model::point<float, 2, bg::cs::cartesian> >();
- test_2d<bg::model::point<double, 2, bg::cs::cartesian> >();
- test_3d<bg::model::point<int, 3, bg::cs::cartesian> >();
- test_3d<bg::model::point<float, 3, bg::cs::cartesian> >();
- test_3d<bg::model::point<double, 3, bg::cs::cartesian> >();
- #ifdef TEST_FAIL_CROSS_PRODUCT
- test_4d<bg::model::point<int, 4, bg::cs::cartesian> >();
- test_4d<bg::model::point<float, 4, bg::cs::cartesian> >();
- test_4d<bg::model::point<double, 4, bg::cs::cartesian> >();
- #endif
- return 0;
- }
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