1 // (C) Copyright Gennadiy Rozental 2011-2015. 2 // Distributed under the Boost Software License, Version 1.0. 3 // (See accompanying file LICENSE_1_0.txt or copy at 4 // http://www.boost.org/LICENSE_1_0.txt) 5 6 // See http://www.boost.org/libs/test for the library home page. 7 8 9 //[example_code 10 #define BOOST_TEST_MODULE example 11 #include <boost/test/included/unit_test.hpp> 12 #include <boost/test/tools/floating_point_comparison.hpp> 13 BOOST_AUTO_TEST_CASE(test)14BOOST_AUTO_TEST_CASE( test ) 15 { 16 double v1 = 1.23456e28; 17 double v2 = 1.23457e28; 18 19 BOOST_REQUIRE_CLOSE( v1, v2, 0.001 ); 20 // Absolute value of difference between these two values is 1e+23. 21 // But we are interested only that it does not exeed 0.001% of a values compared 22 // And this test will pass. 23 } 24 //] 25