geometry/test/formulas/inverse_karney.cpp

105 lines
3.4 KiB
C++

// 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 "inverse_cases_antipodal.hpp"
#include "inverse_cases_small_angles.hpp"
#include <boost/geometry/formulas/karney_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 lon1d = results.p1.lon;
double lat1d = results.p1.lat;
double lon2d = results.p2.lon;
double lat2d = results.p2.lat;
// WGS84
bg::srs::spheroid<double> spheroid(6378137.0, 6356752.3142451793);
bg::formula::result_inverse<double> result_k;
typedef bg::formula::karney_inverse<double, true, true, true, true, true, 8> ka_t;
result_k = ka_t::apply(lon1d, lat1d, lon2d, lat2d, spheroid);
check_inverse("karney", results, result_k, results.vincenty, results.reference, 0.0000001);
}
template <typename ExpectedResults>
void test_karney(ExpectedResults const& results)
{
double lon1d = results.p1.lon;
double lat1d = results.p1.lat;
double lon2d = results.p2.lon;
double lat2d = results.p2.lat;
// WGS84
bg::srs::spheroid<double> spheroid(6378137.0, 6356752.3142451793);
bg::formula::result_inverse<double> result;
typedef bg::formula::karney_inverse<double, true, true, true, true, true, 8> ka_t;
result = ka_t::apply(lon1d, lat1d, lon2d, lat2d, spheroid);
check_inverse("karney", results, result, results.karney, results.karney, 0.0000001);
}
int test_main(int, char*[])
{
for (size_t i = 0; i < expected_size; ++i)
{
test_all(expected[i]);
}
for (size_t i = 0; i < expected_size_antipodal; ++i)
{
test_karney(expected_antipodal[i]);
}
for (size_t i = 0; i < expected_size_small_angles; ++i)
{
test_karney(expected_small_angles[i]);
}
return 0;
}