80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// Boost.Geometry
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// Unit Test
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// Copyright (c) 2015 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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 <geometry_test_common.hpp>
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#include <limits>
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#include <boost/geometry/util/condition.hpp>
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#include <boost/geometry/util/math.hpp>
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namespace bgm = bg::math;
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template <typename T>
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void test_all()
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{
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BOOST_CHECK(bgm::equals(0, 0));
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BOOST_CHECK(bgm::equals(1, 1));
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BOOST_CHECK(bgm::equals(123456, 123456));
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T eps = std::numeric_limits<T>::epsilon();
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if ( eps > 0 )
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{
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BOOST_CHECK(bgm::equals(0, 0+eps));
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BOOST_CHECK(bgm::equals(0+eps, 0));
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BOOST_CHECK(bgm::equals(1, 1+eps));
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BOOST_CHECK(bgm::equals(1+eps, 1));
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BOOST_CHECK(bgm::equals(12345+eps, 12345));
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}
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if (BOOST_GEOMETRY_CONDITION(std::numeric_limits<T>::has_infinity))
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{
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T inf = std::numeric_limits<T>::infinity();
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BOOST_CHECK(!bgm::equals(0, inf));
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BOOST_CHECK(!bgm::equals(0, -inf));
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BOOST_CHECK(!bgm::equals(1, inf));
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BOOST_CHECK(!bgm::equals(1, -inf));
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BOOST_CHECK(!bgm::equals(12345, inf));
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BOOST_CHECK(!bgm::equals(12345, -inf));
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BOOST_CHECK(!bgm::equals(inf, 0));
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BOOST_CHECK(!bgm::equals(-inf, 0));
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BOOST_CHECK(!bgm::equals(inf, 1));
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BOOST_CHECK(!bgm::equals(-inf, 1));
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BOOST_CHECK(!bgm::equals(inf, 12345));
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BOOST_CHECK(!bgm::equals(-inf, 12345));
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BOOST_CHECK(bgm::equals(inf, inf));
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BOOST_CHECK(bgm::equals(-inf, -inf));
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BOOST_CHECK(!bgm::equals(inf, -inf));
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BOOST_CHECK(!bgm::equals(-inf, inf));
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}
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if (BOOST_GEOMETRY_CONDITION(std::numeric_limits<T>::has_quiet_NaN))
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{
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T nan = std::numeric_limits<T>::quiet_NaN();
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BOOST_CHECK(!bgm::equals(0, nan));
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BOOST_CHECK(!bgm::equals(nan, 0));
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BOOST_CHECK(!bgm::equals(nan, nan));
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BOOST_CHECK(!bgm::equals(1, nan));
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BOOST_CHECK(!bgm::equals(nan, 1));
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BOOST_CHECK(!bgm::equals(12345, nan));
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BOOST_CHECK(!bgm::equals(nan, 12345));
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}
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}
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int test_main(int, char* [])
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{
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test_all<int>();
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test_all<float>();
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test_all<double>();
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return 0;
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}
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