48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
// (C) Copyright Eric Niebler, Olivier Gygi 2006.
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/test/unit_test.hpp>
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#include <boost/test/tools/floating_point_comparison.hpp>
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#include <boost/accumulators/accumulators.hpp>
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#include <boost/accumulators/statistics/stats.hpp>
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#include <boost/accumulators/statistics/weighted_moment.hpp>
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using namespace boost;
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using namespace unit_test;
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using namespace accumulators;
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///////////////////////////////////////////////////////////////////////////////
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// test_stat
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//
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void test_stat()
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{
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accumulator_set<double, stats<tag::weighted_moment<2> >, double> acc2;
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accumulator_set<double, stats<tag::weighted_moment<7> >, double> acc7;
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acc2(2.1, weight = 0.7);
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acc2(2.7, weight = 1.4);
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acc2(1.8, weight = 0.9);
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acc7(2.1, weight = 0.7);
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acc7(2.7, weight = 1.4);
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acc7(1.8, weight = 0.9);
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BOOST_CHECK_CLOSE(5.403, accumulators::weighted_moment<2>(acc2), 1e-5);
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BOOST_CHECK_CLOSE(548.54182, accumulators::weighted_moment<7>(acc7), 1e-5);
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}
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///////////////////////////////////////////////////////////////////////////////
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// init_unit_test_suite
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//
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test_suite* init_unit_test_suite( int argc, char* argv[] )
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{
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test_suite *test = BOOST_TEST_SUITE("weighted_moment test");
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test->add(BOOST_TEST_CASE(&test_stat));
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return test;
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}
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