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- // Boost.Geometry
- // Unit Test
- // Copyright (c) 2016-2019 Oracle and/or its affiliates.
- // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
- // Copyright (c) 2018 Adeel Ahmad, Islamabad, Pakistan.
- // Contributed and/or modified by Adeel Ahmad, as part of Google Summer of Code 2018 program
- // 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 <sstream>
- #include "test_formula.hpp"
- #include "inverse_cases.hpp"
- #include <boost/geometry/formulas/vincenty_inverse.hpp>
- #include <boost/geometry/formulas/thomas_inverse.hpp>
- #include <boost/geometry/formulas/andoyer_inverse.hpp>
- #include <boost/geometry/srs/spheroid.hpp>
- template <typename Result>
- void check_inverse(std::string const& name,
- Result const& results,
- bg::formula::result_inverse<double> const& result,
- expected_result const& expected,
- expected_result const& reference,
- double reference_error)
- {
- std::stringstream ss;
- ss << "(" << results.p1.lon << " " << results.p1.lat << ")->(" << results.p2.lon << " " << results.p2.lat << ")";
- check_one(name + "_d " + ss.str(),
- result.distance, expected.distance, reference.distance, reference_error);
- check_one(name + "_a " + ss.str(),
- result.azimuth, expected.azimuth, reference.azimuth, reference_error, true);
- check_one(name + "_ra " + ss.str(),
- result.reverse_azimuth, expected.reverse_azimuth, reference.reverse_azimuth, reference_error, true);
- check_one(name + "_rl " + ss.str(),
- result.reduced_length, expected.reduced_length, reference.reduced_length, reference_error);
- check_one(name + "_gs " + ss.str(),
- result.geodesic_scale, expected.geodesic_scale, reference.geodesic_scale, reference_error);
- }
- void test_all(expected_results const& results)
- {
- double const d2r = bg::math::d2r<double>();
- double const r2d = bg::math::r2d<double>();
- double lon1r = results.p1.lon * d2r;
- double lat1r = results.p1.lat * d2r;
- double lon2r = results.p2.lon * d2r;
- double lat2r = results.p2.lat * d2r;
- // WGS84
- bg::srs::spheroid<double> spheroid(6378137.0, 6356752.3142451793);
- bg::formula::result_inverse<double> result_v, result_t, result_a;
- typedef bg::formula::vincenty_inverse<double, true, true, true, true, true> vi_t;
- result_v = vi_t::apply(lon1r, lat1r, lon2r, lat2r, spheroid);
- result_v.azimuth *= r2d;
- result_v.reverse_azimuth *= r2d;
- check_inverse("vincenty", results, result_v, results.vincenty, results.reference, 0.0000001);
- typedef bg::formula::thomas_inverse<double, true, true, true, true, true> th_t;
- result_t = th_t::apply(lon1r, lat1r, lon2r, lat2r, spheroid);
- result_t.azimuth *= r2d;
- result_t.reverse_azimuth *= r2d;
- check_inverse("thomas", results, result_t, results.thomas, results.reference, 0.00001);
- typedef bg::formula::andoyer_inverse<double, true, true, true, true, true> an_t;
- result_a = an_t::apply(lon1r, lat1r, lon2r, lat2r, spheroid);
- result_a.azimuth *= r2d;
- result_a.reverse_azimuth *= r2d;
- check_inverse("andoyer", results, result_a, results.andoyer, results.reference, 0.001);
- }
- int test_main(int, char*[])
- {
- for (size_t i = 0; i < expected_size; ++i)
- {
- test_all(expected[i]);
- }
- return 0;
- }
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