108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Unit Test
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
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// This file was modified by Oracle on 2020.
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// Modifications copyright (c) 2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <geometry_test_common.hpp>
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#include <boost/core/ignore_unused.hpp>
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#include <boost/geometry/arithmetic/cross_product.hpp>
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#include <boost/geometry/algorithms/assign.hpp>
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#include <boost/geometry/geometries/point.hpp>
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#include <boost/geometry/geometries/adapted/c_array.hpp>
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#include <boost/geometry/geometries/adapted/boost_tuple.hpp>
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#include <test_common/test_point.hpp>
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template <typename P>
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void test_2d()
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{
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P p1;
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bg::assign_values(p1, 20, 30);
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P p2;
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bg::assign_values(p2, 45, 70);
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P c = bg::cross_product(p1, p2);
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typedef typename bg::coordinate_type<P>::type scalar_type;
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BOOST_CHECK_EQUAL(bg::get<0>(c), scalar_type(50));
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}
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template <typename P>
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void test_3d()
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{
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P p1;
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bg::assign_values(p1, 20, 30, 10);
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P p2;
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bg::assign_values(p2, 45, 70, 20);
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P c = bg::cross_product(p1, p2);
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typedef typename bg::coordinate_type<P>::type scalar_type;
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BOOST_CHECK_EQUAL(bg::get<0>(c), scalar_type(-100));
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BOOST_CHECK_EQUAL(bg::get<1>(c), scalar_type(50));
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BOOST_CHECK_EQUAL(bg::get<2>(c), scalar_type(50));
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}
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template <typename P>
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void test_constexpr()
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{
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constexpr P p1 = P(20, 30, 10);
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constexpr P p2 = P(45, 70, 20);
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constexpr P c = bg::cross_product(p1, p2);
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constexpr auto c0 = bg::get<0>(c);
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constexpr auto c1 = bg::get<1>(c);
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constexpr auto c2 = bg::get<2>(c);
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BOOST_CHECK_EQUAL(c0, -100);
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BOOST_CHECK_EQUAL(c1, 50);
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BOOST_CHECK_EQUAL(c2, 50);
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}
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#ifdef TEST_FAIL_CROSS_PRODUCT
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template <typename P>
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void test_4d()
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{
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P p1;
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bg::assign_values(p1, 20, 30, 10);
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bg::set<3>(p1, 15);
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P p2;
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bg::assign_values(p2, 45, 70, 20);
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bg::set<3>(p2, 35);
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P c = bg::cross_product(p1, p2);
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boost::ignore_unused(c);
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}
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#endif
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int test_main(int, char* [])
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{
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test_2d<bg::model::point<int, 2, bg::cs::cartesian> >();
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test_2d<bg::model::point<float, 2, bg::cs::cartesian> >();
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test_2d<bg::model::point<double, 2, bg::cs::cartesian> >();
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test_3d<bg::model::point<int, 3, bg::cs::cartesian> >();
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test_3d<bg::model::point<float, 3, bg::cs::cartesian> >();
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test_3d<bg::model::point<double, 3, bg::cs::cartesian> >();
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#ifdef TEST_FAIL_CROSS_PRODUCT
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test_4d<bg::model::point<int, 4, bg::cs::cartesian> >();
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test_4d<bg::model::point<float, 4, bg::cs::cartesian> >();
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test_4d<bg::model::point<double, 4, bg::cs::cartesian> >();
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#endif
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test_constexpr<bg::model::point<double, 3, bg::cs::cartesian> >();
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return 0;
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}
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