1/*
2 * mathutil_unit_test.hpp
3 *
4 * Created on: Dec 23, 2015
5 * Author: i-bird
6 */
7
8#ifndef OPENFPM_DATA_SRC_UTIL_MATHUTIL_UNIT_TEST_HPP_
9#define OPENFPM_DATA_SRC_UTIL_MATHUTIL_UNIT_TEST_HPP_
10
11#include "util/mathutil.hpp"
12
13BOOST_AUTO_TEST_SUITE( mathutil_test )
14
15BOOST_AUTO_TEST_CASE( math )
16{
17 //! [factorial usage]
18
19 size_t f = openfpm::math::factorial(0);
20 BOOST_REQUIRE_EQUAL(f,1ul);
21
22 f = openfpm::math::factorial(1);
23 BOOST_REQUIRE_EQUAL(f,1ul);
24
25 f = openfpm::math::factorial(7);
26 BOOST_REQUIRE_EQUAL(f,5040ul);
27
28 //! [factorial usage]
29
30 //! [Combination usage]
31
32 f = openfpm::math::C(7,0);
33 BOOST_REQUIRE_EQUAL(f,1ul);
34
35 f = openfpm::math::C(7,7);
36 BOOST_REQUIRE_EQUAL(f,1ul);
37
38 f = openfpm::math::C(7,2);
39 BOOST_REQUIRE_EQUAL(f,21ul);
40
41 //! [Combination usage]
42
43 //! [round to big pow]
44
45 f = openfpm::math::round_big_2(3);
46 BOOST_REQUIRE_EQUAL(f,4ul);
47
48 f = openfpm::math::round_big_2(7);
49 BOOST_REQUIRE_EQUAL(f,8ul);
50
51 f = openfpm::math::round_big_2(21);
52 BOOST_REQUIRE_EQUAL(f,32ul);
53
54 //! [round to big pow]
55
56 //! [pow]
57
58 f = openfpm::math::pow(3,3);
59 BOOST_REQUIRE_EQUAL(f,27ul);
60
61 f = openfpm::math::pow(4,2);
62 BOOST_REQUIRE_EQUAL(f,16ul);
63
64 f = openfpm::math::pow(2,5);
65 BOOST_REQUIRE_EQUAL(f,32ul);
66
67 //! [pow]
68
69 //! [positive modulo]
70
71 f = openfpm::math::positive_modulo(-1,3);
72 BOOST_REQUIRE_EQUAL(f,2ul);
73
74 f = openfpm::math::positive_modulo(-5,2);
75 BOOST_REQUIRE_EQUAL(f,1ul);
76
77 f = openfpm::math::positive_modulo(-7,5);
78 BOOST_REQUIRE_EQUAL(f,3ul);
79
80 //! [positive modulo]
81
82 //! [periodic]
83
84 float ff = openfpm::math::periodic(10.9,1.1,0.1);
85 BOOST_REQUIRE_CLOSE(ff,0.9,0.0001);
86
87 ff = openfpm::math::periodic(0.0,1.1,0.1);
88 BOOST_REQUIRE_CLOSE(ff,1.0,0.0001);
89
90 ff = openfpm::math::periodic(-7.0,1.1,0.1);
91 BOOST_REQUIRE_CLOSE(ff,1.0,0.0001);
92
93 // in float representation 1.1 is a little bigger than 1.1
94 ff = openfpm::math::periodic(-10.9,1.1,0.1);
95 BOOST_REQUIRE_CLOSE(ff,1.1,0.0001);
96
97 //! [periodic]
98
99 //! [periodic_l]
100
101 ff = openfpm::math::periodic(0.0,1.1,0.1);
102 BOOST_REQUIRE_CLOSE(ff,1.0,0.0001);
103
104 ff = openfpm::math::periodic(1.2,1.1,0.1);
105 BOOST_REQUIRE_CLOSE(ff,0.2,0.0001);
106
107 // in float representation 1.1 is a little bigger than 1.1
108 ff = openfpm::math::periodic(0.9,1.1,0.1);
109 BOOST_REQUIRE_CLOSE(ff,0.9,0.0001);
110
111 //! [periodic_l]
112}
113
114BOOST_AUTO_TEST_SUITE_END()
115
116#endif /* OPENFPM_DATA_SRC_UTIL_MATHUTIL_UNIT_TEST_HPP_ */
117