| // (C) Copyright Eric Niebler 2005. |
| // Use, modification and distribution are 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) |
| |
| #include <boost/test/unit_test.hpp> |
| #include <boost/test/floating_point_comparison.hpp> |
| #include <boost/accumulators/accumulators.hpp> |
| #include <boost/accumulators/statistics/stats.hpp> |
| #include <boost/accumulators/statistics/moment.hpp> |
| |
| using namespace boost; |
| using namespace unit_test; |
| using namespace accumulators; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // test_stat |
| // |
| void test_stat() |
| { |
| accumulator_set<int, stats<tag::moment<2> > > acc1; |
| |
| acc1(2); // 4 |
| acc1(4); // 16 |
| acc1(5); // + 25 |
| // = 45 / 3 = 15 |
| |
| BOOST_CHECK_CLOSE(15., accumulators::moment<2>(acc1), 1e-5); |
| |
| accumulator_set<int, stats<tag::moment<5> > > acc2; |
| |
| acc2(2); // 32 |
| acc2(3); // 243 |
| acc2(4); // 1024 |
| acc2(5); // + 3125 |
| // = 4424 / 4 = 1106 |
| |
| BOOST_CHECK_CLOSE(1106., accumulators::moment<5>(acc2), 1e-5); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // init_unit_test_suite |
| // |
| test_suite* init_unit_test_suite( int argc, char* argv[] ) |
| { |
| test_suite *test = BOOST_TEST_SUITE("moment test"); |
| |
| test->add(BOOST_TEST_CASE(&test_stat)); |
| |
| return test; |
| } |
| |