1 | // (C) Copyright Eric Niebler, Olivier Gygi 2006. |
2 | // Use, modification and distribution are subject to the |
3 | // Boost Software License, Version 1.0. (See accompanying file |
4 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
5 | |
6 | #include <boost/test/unit_test.hpp> |
7 | #include <boost/test/tools/floating_point_comparison.hpp> |
8 | #include <boost/accumulators/accumulators.hpp> |
9 | #include <boost/accumulators/statistics/stats.hpp> |
10 | #include <boost/accumulators/statistics/weighted_moment.hpp> |
11 | |
12 | using namespace boost; |
13 | using namespace unit_test; |
14 | using namespace accumulators; |
15 | |
16 | /////////////////////////////////////////////////////////////////////////////// |
17 | // test_stat |
18 | // |
19 | void test_stat() |
20 | { |
21 | accumulator_set<double, stats<tag::weighted_moment<2> >, double> acc2; |
22 | accumulator_set<double, stats<tag::weighted_moment<7> >, double> acc7; |
23 | |
24 | acc2(2.1, weight = 0.7); |
25 | acc2(2.7, weight = 1.4); |
26 | acc2(1.8, weight = 0.9); |
27 | |
28 | acc7(2.1, weight = 0.7); |
29 | acc7(2.7, weight = 1.4); |
30 | acc7(1.8, weight = 0.9); |
31 | |
32 | BOOST_CHECK_CLOSE(5.403, accumulators::weighted_moment<2>(acc2), 1e-5); |
33 | BOOST_CHECK_CLOSE(548.54182, accumulators::weighted_moment<7>(acc7), 1e-5); |
34 | } |
35 | |
36 | /////////////////////////////////////////////////////////////////////////////// |
37 | // init_unit_test_suite |
38 | // |
39 | test_suite* init_unit_test_suite( int argc, char* argv[] ) |
40 | { |
41 | test_suite *test = BOOST_TEST_SUITE("weighted_moment test" ); |
42 | |
43 | test->add(BOOST_TEST_CASE(&test_stat)); |
44 | |
45 | return test; |
46 | } |
47 | |
48 | |