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- // Copyright (c) 2015 Boost.Test team
- // Distributed under 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)
- // See http://www.boost.org/libs/test for the library home page.
- //[example_code
- #define BOOST_TEST_MODULE tolerance_04
- #include <boost/test/included/unit_test.hpp>
- #include <boost/rational.hpp>
- namespace utf = boost::unit_test;
- namespace tt = boost::test_tools;
- namespace boost { namespace math { namespace fpc {
- template <typename I>
- struct tolerance_based< rational<I> > : boost::true_type{};
-
- } } }
- typedef boost::rational<int> ratio;
- BOOST_AUTO_TEST_CASE(test1, * utf::tolerance(ratio(1, 1000)))
- {
- ratio x (1002, 100); // 10.02
- ratio y (1001, 100); // 10.01
- ratio z (1000, 100); // 10.00
-
- BOOST_TEST(x == y); // irrelevant diff by default
- BOOST_TEST(x == y, tt::tolerance(ratio(1, 2000)));
-
- BOOST_TEST(x != z); // relevant diff by default
- BOOST_TEST(x != z, tt::tolerance(ratio(2, 1000)));
- }
- //]
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