| // (C) Copyright Eric Niebler, Olivier Gygi 2006. |
| // 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/weighted_moment.hpp> |
| |
| using namespace boost; |
| using namespace unit_test; |
| using namespace accumulators; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // test_stat |
| // |
| void test_stat() |
| { |
| accumulator_set<double, stats<tag::weighted_moment<2> >, double> acc2; |
| accumulator_set<double, stats<tag::weighted_moment<7> >, double> acc7; |
| |
| acc2(2.1, weight = 0.7); |
| acc2(2.7, weight = 1.4); |
| acc2(1.8, weight = 0.9); |
| |
| acc7(2.1, weight = 0.7); |
| acc7(2.7, weight = 1.4); |
| acc7(1.8, weight = 0.9); |
| |
| BOOST_CHECK_CLOSE(5.403, accumulators::weighted_moment<2>(acc2), 1e-5); |
| BOOST_CHECK_CLOSE(548.54182, accumulators::weighted_moment<7>(acc7), 1e-5); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // init_unit_test_suite |
| // |
| test_suite* init_unit_test_suite( int argc, char* argv[] ) |
| { |
| test_suite *test = BOOST_TEST_SUITE("weighted_moment test"); |
| |
| test->add(BOOST_TEST_CASE(&test_stat)); |
| |
| return test; |
| } |
| |