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- // (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;
- }
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