ceph/src/boost/libs/test/doc/examples/example43.run.cpp

   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/floating_point_comparison.hpp>
  13
  14 BOOST_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 //]