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- // (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/foreach.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/accumulators/accumulators.hpp>
- #include <boost/accumulators/statistics/stats.hpp>
- #include <boost/accumulators/statistics/tail.hpp>
- #include <boost/accumulators/statistics/tail_variate.hpp>
- #include <boost/accumulators/statistics/variates/covariate.hpp>
- using namespace boost;
- using namespace unit_test;
- using namespace accumulators;
- template<typename Range>
- void check_tail(Range const &rng, char const *expected)
- {
- BOOST_FOREACH(int i, rng)
- {
- if(!*expected)
- {
- BOOST_CHECK(false);
- return;
- }
- BOOST_CHECK_EQUAL(i, *expected++);
- }
- BOOST_CHECK(!*expected);
- }
- ///////////////////////////////////////////////////////////////////////////////
- // test_right_tail
- //
- void test_right_tail()
- {
- accumulator_set<int, stats<tag::tail_weights<right>, tag::tail_variate<int, tag::covariate1, right> >, int > acc(
- right_tail_cache_size = 4
- );
- acc(010, weight = 2, covariate1 = 3);
- check_tail(tail(acc), "\10");
- check_tail(tail_variate(acc), "\3");
- check_tail(tail_weights(acc), "\2");
- acc(020, weight = 7, covariate1 = 1);
- check_tail(tail(acc), "\20\10");
- check_tail(tail_variate(acc), "\1\3");
- check_tail(tail_weights(acc), "\7\2");
- acc(014, weight = 6, covariate1 = 4);
- check_tail(tail(acc), "\20\14\10");
- check_tail(tail_variate(acc), "\1\4\3");
- check_tail(tail_weights(acc), "\7\6\2");
- acc(030, weight = 4, covariate1 = 5);
- check_tail(tail(acc), "\30\20\14\10");
- check_tail(tail_variate(acc), "\5\1\4\3");
- check_tail(tail_weights(acc), "\4\7\6\2");
- acc(001, weight = 1, covariate1 = 9);
- check_tail(tail(acc), "\30\20\14\10");
- check_tail(tail_variate(acc), "\5\1\4\3");
- check_tail(tail_weights(acc), "\4\7\6\2");
- acc(011, weight = 3, covariate1 = 7);
- check_tail(tail(acc), "\30\20\14\11");
- check_tail(tail_variate(acc), "\5\1\4\7");
- check_tail(tail_weights(acc), "\4\7\6\3");
- }
- ///////////////////////////////////////////////////////////////////////////////
- // test_left_tail
- //
- void test_left_tail()
- {
- accumulator_set<int, stats<tag::tail_weights<left>, tag::tail_variate<int, tag::covariate1, left> >, int > acc(
- left_tail_cache_size = 4
- );
- acc(010, weight = 2, covariate1 = 3);
- check_tail(tail(acc), "\10");
- check_tail(tail_variate(acc), "\3");
- check_tail(tail_weights(acc), "\2");
- acc(020, weight = 7, covariate1 = 1);
- check_tail(tail(acc), "\10\20");
- check_tail(tail_variate(acc), "\3\1");
- check_tail(tail_weights(acc), "\2\7");
- acc(014, weight = 6, covariate1 = 4);
- check_tail(tail(acc), "\10\14\20");
- check_tail(tail_variate(acc), "\3\4\1");
- check_tail(tail_weights(acc), "\2\6\7");
- acc(030, weight = 4, covariate1 = 5);
- check_tail(tail(acc), "\10\14\20\30");
- check_tail(tail_variate(acc), "\3\4\1\5");
- check_tail(tail_weights(acc), "\2\6\7\4");
- acc(001, weight = 1, covariate1 = 9);
- check_tail(tail(acc), "\1\10\14\20");
- check_tail(tail_variate(acc), "\x9\3\4\1");
- check_tail(tail_weights(acc), "\1\2\6\7");
- acc(011, weight = 3, covariate1 = 7);
- check_tail(tail(acc), "\1\10\11\14");
- check_tail(tail_variate(acc), "\x9\3\7\4");
- check_tail(tail_weights(acc), "\1\2\3\6");
- }
- ///////////////////////////////////////////////////////////////////////////////
- // init_unit_test_suite
- //
- test_suite* init_unit_test_suite( int argc, char* argv[] )
- {
- test_suite *test = BOOST_TEST_SUITE("tail test");
- test->add(BOOST_TEST_CASE(&test_right_tail));
- test->add(BOOST_TEST_CASE(&test_left_tail));
- return test;
- }
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