1// Boost.Geometry
2// Unit Test
3
4// Copyright (c) 2022 Oracle and/or its affiliates.
5
6// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
7
8// Use, modification and distribution is subject to the Boost Software License,
9// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
10// http://www.boost.org/LICENSE_1_0.txt)
11
12
13#include <limits>
14#include <type_traits>
15
16#include <geometry_test_common.hpp>
17
18#include <boost/geometry/util/condition.hpp>
19#include <boost/geometry/util/math.hpp>
20#include <boost/geometry/util/normalize_spheroidal_box_coordinates.hpp>
21#include <boost/geometry/util/normalize_spheroidal_coordinates.hpp>
22
23
24namespace bgm = bg::math;
25
26template <typename T, std::enable_if_t<std::numeric_limits<T>::has_quiet_NaN, int> = 0>
27void test_equals(T const& v, T const& r)
28{
29 bool const check = bg::math::equals(v, r) || (std::isnan(v) && std::isnan(r));
30 BOOST_CHECK_MESSAGE(check, v << " different than " << r);
31}
32
33template <typename T, std::enable_if_t<! std::numeric_limits<T>::has_quiet_NaN, int> = 0>
34void test_equals(T const& v, T const& r)
35{
36 bool const check = bg::math::equals(v, r);
37 BOOST_CHECK_MESSAGE(check, v << " different than " << r);
38}
39
40template <typename T>
41void test_one(T lon, T lat, T const& res_lon, T const& res_lat)
42{
43 bg::math::normalize_spheroidal_coordinates<bg::degree>(lon, lat);
44 test_equals(lon, res_lon);
45 test_equals(lat, res_lat);
46}
47
48template <typename T>
49void test_box(T lon1, T lat1, T lon2, T lat2,
50 T const& res_lon1, T const& res_lat1, T const& res_lon2, T const& res_lat2)
51{
52 bg::math::normalize_spheroidal_box_coordinates<bg::degree>(lon1, lat1, lon2, lat2);
53 test_equals(lon1, res_lon1);
54 test_equals(lat1, res_lat1);
55 test_equals(lon2, res_lon2);
56 test_equals(lat2, res_lat2);
57}
58
59template <typename T>
60void test_all()
61{
62 test_one<T>(270, 0, -90, 0);
63
64 test_one<T>(-180, 10, 180, 10);
65 test_one<T>(-180, -90, 0, -90);
66
67 if (BOOST_GEOMETRY_CONDITION(std::numeric_limits<T>::has_quiet_NaN))
68 {
69 T nan = std::numeric_limits<T>::quiet_NaN();
70 test_one<T>(nan, 10, nan, 10);
71 test_one<T>(10, nan, 10, nan);
72 test_one<T>(nan, nan, nan, nan);
73
74 test_box<T>(nan, 10, 20, 20, nan, 10, 20, 20);
75 test_box<T>(10, nan, 20, 20, 10, nan, 20, 20);
76 test_box<T>(10, 10, nan, 20, 10, 10, nan, 20);
77 test_box<T>(10, 10, 20, nan, 10, 10, 20, nan);
78
79 test_box<T>(nan, 10, 270, 20, nan, 10, -90, 20);
80 test_box<T>(270, 10, nan, 20, -90, 10, nan, 20);
81 }
82}
83
84int test_main(int, char* [])
85{
86 test_all<int>();
87 test_all<float>();
88 test_all<double>();
89
90 return 0;
91}
92

source code of boost/libs/geometry/test/util/math_normalize_spheroidal.cpp