27     accumulator_set<int, stats<droppable<tag::mean> > > acc, test_acc(sample = 0);  in test_stat()
30     BOOST_CHECK_CLOSE(1., mean(acc), 1e-5);  in test_stat()
35     BOOST_CHECK_CLOSE(0.5, mean(acc), 1e-5);  in test_stat()
39     acc.drop<tag::mean>();  in test_stat()
42     BOOST_CHECK_CLOSE(0.5, mean(acc), 1e-5);  in test_stat()
46     assert_is_double(mean(acc));  in test_stat()
49     accumulator_set<int, stats<droppable<tag::mean(immediate)> > > acc2, test_acc2(sample = 0);  in test_stat()
52     BOOST_CHECK_CLOSE(1., mean(acc2), 1e-5);  in test_stat()
56     BOOST_CHECK_CLOSE(0.5, mean(acc2), 1e-5);  in test_stat()
59     acc2.drop<tag::mean>();  in test_stat()
62     BOOST_CHECK_CLOSE(0.5, mean(acc2), 1e-5);  in test_stat()
65     assert_is_double(mean(acc2));  in test_stat()
73 …accumulator_set<int, stats<droppable<tag::sum>, droppable<tag::mean> > > acc, test_acc(sample = 0);  in test_stat2()
76     BOOST_CHECK_CLOSE(1., mean(acc), 1e-5);  in test_stat2()
81     BOOST_CHECK_CLOSE(0.5, mean(acc), 1e-5);  in test_stat2()
85     acc.drop<tag::mean>();  in test_stat2()
89     BOOST_CHECK_CLOSE(0.5, mean(acc), 1e-5);  in test_stat2()
93     assert_is_double(mean(acc));  in test_stat2()
101 …accumulator_set<int, stats<droppable<tag::sum>, droppable<tag::count>, droppable<tag::mean> > > ac…  in test_stat3()
104     BOOST_CHECK_CLOSE(1., mean(acc), 1e-5);  in test_stat3()
109     BOOST_CHECK_CLOSE(0.5, mean(acc), 1e-5);  in test_stat3()
113     acc.drop<tag::mean>();  in test_stat3()
117     BOOST_CHECK_CLOSE(1./3., mean(acc), 1e-5);  in test_stat3()
123     BOOST_CHECK_CLOSE(1./3., mean(acc), 1e-5);  in test_stat3()
127     assert_is_double(mean(acc));  in test_stat3()