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// Test case for extended_p_square.hpp
7
8#include <iostream>
9#include <boost/random.hpp>
10#include <boost/test/unit_test.hpp>
11#include <boost/test/floating_point_comparison.hpp>
12#include <boost/accumulators/numeric/functional/vector.hpp>
13#include <boost/accumulators/numeric/functional/complex.hpp>
14#include <boost/accumulators/numeric/functional/valarray.hpp>
15#include <boost/accumulators/accumulators.hpp>
16#include <boost/accumulators/statistics/stats.hpp>
17#include <boost/accumulators/statistics/extended_p_square.hpp>
18
19using namespace boost;
20using namespace unit_test;
21using namespace boost::accumulators;
22
23///////////////////////////////////////////////////////////////////////////////
24// test_stat
25//
26void test_stat()
27{
28 typedef accumulator_set<double, stats<tag::extended_p_square> > accumulator_t;
29
30 // tolerance
31 double epsilon = 3;
32
33 // a random number generator
34 boost::lagged_fibonacci607 rng;
35
36 std::vector<double> probs;
37
38 probs.push_back(0.001);
39 probs.push_back(0.01 );
40 probs.push_back(0.1 );
41 probs.push_back(0.25 );
42 probs.push_back(0.5 );
43 probs.push_back(0.75 );
44 probs.push_back(0.9 );
45 probs.push_back(0.99 );
46 probs.push_back(0.999);
47
48 accumulator_t acc(extended_p_square_probabilities = probs);
49
50 for (int i=0; i<10000; ++i)
51 acc(rng());
52
53 BOOST_CHECK_GE(extended_p_square(acc)[0], 0.0005);
54 BOOST_CHECK_LE(extended_p_square(acc)[0], 0.0015);
55 BOOST_CHECK_CLOSE(extended_p_square(acc)[1], probs[1], 15);
56 BOOST_CHECK_CLOSE(extended_p_square(acc)[2], probs[2], 5);
57
58 for (std::size_t i=3; i<probs.size(); ++i)
59 {
60 BOOST_CHECK_CLOSE(extended_p_square(acc)[i], probs[i], epsilon);
61 }
62}
63
64///////////////////////////////////////////////////////////////////////////////
65// init_unit_test_suite
66//
67test_suite* init_unit_test_suite( int argc, char* argv[] )
68{
69 test_suite *test = BOOST_TEST_SUITE("extended_p_square test");
70
71 test->add(BOOST_TEST_CASE(&test_stat));
72
73 return test;
74}
75
76