1 // (C) Copyright Eric Niebler 2005.
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/floating_point_comparison.hpp>
8 #include <boost/accumulators/accumulators.hpp>
9 #include <boost/accumulators/statistics/stats.hpp>
10 #include <boost/accumulators/statistics/with_error.hpp>
11 #include <boost/accumulators/statistics/error_of_mean.hpp>
12
13 using namespace boost;
14 using namespace unit_test;
15 using namespace accumulators;
16
17 ///////////////////////////////////////////////////////////////////////////////
18 // test_stat
19 //
test_stat()20 void test_stat()
21 {
22 accumulator_set<double, stats<tag::error_of<tag::mean(lazy)> > > acc;
23 acc(1.1);
24 acc(1.2);
25 acc(1.3);
26 BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(lazy)>(acc), 1e-4);
27
28 accumulator_set<double, stats<tag::error_of<tag::mean(immediate)> > > acc2;
29 acc2(1.1);
30 acc2(1.2);
31 acc2(1.3);
32 BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(immediate)>(acc2), 1e-4);
33
34 accumulator_set<double, stats<with_error<tag::mean(lazy)> > > acc3;
35 acc3(1.1);
36 acc3(1.2);
37 acc3(1.3);
38 BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(lazy)>(acc3), 1e-4);
39
40 accumulator_set<double, stats<with_error<tag::mean(immediate)> > > acc4;
41 acc4(1.1);
42 acc4(1.2);
43 acc4(1.3);
44 BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(immediate)>(acc4), 1e-4);
45 }
46
47 ///////////////////////////////////////////////////////////////////////////////
48 // init_unit_test_suite
49 //
init_unit_test_suite(int argc,char * argv[])50 test_suite* init_unit_test_suite( int argc, char* argv[] )
51 {
52 test_suite *test = BOOST_TEST_SUITE("mean test");
53
54 test->add(BOOST_TEST_CASE(&test_stat));
55
56 return test;
57 }
58