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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | // Unit Test | |
3 | ||
4 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
5 | // Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland. | |
6 | ||
7 | // Use, modification and distribution is subject to the Boost Software License, | |
8 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
9 | // http://www.boost.org/LICENSE_1_0.txt) | |
10 | ||
11 | ||
12 | #include <geometry_test_common.hpp> | |
13 | ||
14 | #include <boost/core/ignore_unused.hpp> | |
15 | ||
16 | #include <boost/geometry/arithmetic/cross_product.hpp> | |
17 | ||
18 | #include <boost/geometry/algorithms/assign.hpp> | |
19 | ||
20 | #include <boost/geometry/geometries/point.hpp> | |
21 | #include <boost/geometry/geometries/adapted/c_array.hpp> | |
22 | #include <boost/geometry/geometries/adapted/boost_tuple.hpp> | |
23 | #include <test_common/test_point.hpp> | |
24 | ||
25 | ||
26 | template <typename P> | |
27 | void test_2d() | |
28 | { | |
29 | P p1; | |
30 | bg::assign_values(p1, 20, 30); | |
31 | P p2; | |
32 | bg::assign_values(p2, 45, 70); | |
33 | P c = bg::cross_product(p1, p2); | |
34 | ||
35 | typedef typename bg::coordinate_type<P>::type scalar_type; | |
36 | BOOST_CHECK_EQUAL(bg::get<0>(c), scalar_type(50)); | |
37 | } | |
38 | ||
39 | template <typename P> | |
40 | void test_3d() | |
41 | { | |
42 | P p1; | |
43 | bg::assign_values(p1, 20, 30, 10); | |
44 | P p2; | |
45 | bg::assign_values(p2, 45, 70, 20); | |
46 | P c = bg::cross_product(p1, p2); | |
47 | ||
48 | typedef typename bg::coordinate_type<P>::type scalar_type; | |
49 | BOOST_CHECK_EQUAL(bg::get<0>(c), scalar_type(-100)); | |
50 | BOOST_CHECK_EQUAL(bg::get<1>(c), scalar_type(50)); | |
51 | BOOST_CHECK_EQUAL(bg::get<2>(c), scalar_type(50)); | |
52 | } | |
53 | ||
54 | #ifdef TEST_FAIL_CROSS_PRODUCT | |
55 | template <typename P> | |
56 | void test_4d() | |
57 | { | |
58 | P p1; | |
59 | bg::assign_values(p1, 20, 30, 10); | |
60 | bg::set<3>(p1, 15); | |
61 | P p2; | |
62 | bg::assign_values(p2, 45, 70, 20); | |
63 | bg::set<3>(p2, 35); | |
64 | P c = bg::cross_product(p1, p2); | |
65 | boost::ignore_unused(c); | |
66 | } | |
67 | #endif | |
68 | ||
69 | int test_main(int, char* []) | |
70 | { | |
71 | test_2d<bg::model::point<int, 2, bg::cs::cartesian> >(); | |
72 | test_2d<bg::model::point<float, 2, bg::cs::cartesian> >(); | |
73 | test_2d<bg::model::point<double, 2, bg::cs::cartesian> >(); | |
74 | ||
75 | test_3d<bg::model::point<int, 3, bg::cs::cartesian> >(); | |
76 | test_3d<bg::model::point<float, 3, bg::cs::cartesian> >(); | |
77 | test_3d<bg::model::point<double, 3, bg::cs::cartesian> >(); | |
78 | ||
79 | #ifdef TEST_FAIL_CROSS_PRODUCT | |
80 | test_4d<bg::model::point<int, 4, bg::cs::cartesian> >(); | |
81 | test_4d<bg::model::point<float, 4, bg::cs::cartesian> >(); | |
82 | test_4d<bg::model::point<double, 4, bg::cs::cartesian> >(); | |
83 | #endif | |
84 | ||
85 | return 0; | |
86 | } | |
87 |