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