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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
- // 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)
- #ifndef BOOST_GEOMETRY_TEST_FORMULA_HPP
- #define BOOST_GEOMETRY_TEST_FORMULA_HPP
- #include <geometry_test_common.hpp>
- #include <boost/geometry/util/math.hpp>
- void normalize_deg(double & deg)
- {
- while (deg > 180.0)
- deg -= 360.0;
- while (deg <= -180.0)
- deg += 360.0;
- }
- #define BOOST_GEOMETRY_CHECK_CLOSE( L, R, T, M ) BOOST_TEST_TOOL_IMPL( 0, \
- ::boost::test_tools::check_is_close_t(), M, CHECK, CHECK_MSG, (L)(R)(::boost::math::fpc::percent_tolerance(T)) )
- void check_one(std::string const& name, double result, double expected)
- {
- std::string id = name.empty() ? "" : (name + " : ");
- double eps = std::numeric_limits<double>::epsilon();
- double abs_result = bg::math::abs(result);
- double abs_expected = bg::math::abs(expected);
- double res_max = (std::max)(abs_result, abs_expected);
- double res_min = (std::min)(abs_result, abs_expected);
- if (res_min <= eps) // including 0
- {
- bool is_close = abs_result <= 30 * eps && abs_expected <= 30 * eps;
- BOOST_CHECK_MESSAGE((is_close),
- id << std::setprecision(20) << "result {" << result << "} different than expected {" << expected << "}.");
- }
- else if (res_max > 100 * eps)
- {
- BOOST_GEOMETRY_CHECK_CLOSE(result, expected, 0.1,
- id << std::setprecision(20) << "result {" << result << "} different than expected {" << expected << "}.");
- }
- else if (res_max > 10 * eps)
- {
- BOOST_GEOMETRY_CHECK_CLOSE(result, expected, 10,
- id << std::setprecision(20) << "result {" << result << "} different than expected {" << expected << "}.");
- }
- else if (res_max > eps)
- {
- BOOST_GEOMETRY_CHECK_CLOSE(result, expected, 1000,
- id << std::setprecision(20) << "result {" << result << "} different than expected {" << expected << "}.");
- }
- }
- void check_one(std::string const& name,
- double result, double expected, double reference, double reference_error,
- bool normalize = false, bool check_reference_only = false)
- {
- std::string id = name.empty() ? "" : (name + " : ");
- if (normalize)
- {
- normalize_deg(result);
- normalize_deg(expected);
- normalize_deg(reference);
- }
- if (! check_reference_only)
- {
- check_one(name, result, expected);
- }
- // NOTE: in some cases it probably will be necessary to normalize
- // the differences between the result and expected result
- double ref_diff = bg::math::abs(result - reference);
- double ref_max = (std::max)(bg::math::abs(result), bg::math::abs(reference));
- bool is_ref_close = ref_diff <= reference_error || ref_diff <= reference_error * ref_max;
- BOOST_CHECK_MESSAGE((is_ref_close),
- id << std::setprecision(20) << "result {" << result << "} and reference {" << reference << "} not close enough.");
- }
- void check_one(double result, double expected, double reference, double reference_error,
- bool normalize = false, bool check_reference_only = false)
- {
- check_one("", result, expected, reference, reference_error, normalize, check_reference_only);
- }
- #endif // BOOST_GEOMETRY_TEST_FORMULA_HPP
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