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/tools/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
13using namespace boost;
14using namespace unit_test;
15using namespace accumulators;
16
17///////////////////////////////////////////////////////////////////////////////
18// test_stat
19//
20void 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//
50test_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

source code of boost/libs/accumulators/test/error_of.cpp