1 | // Boost.Units - A C++ library for zero-overhead dimensional analysis and |
2 | // unit/quantity manipulation and conversion |
3 | // |
4 | // Copyright (C) 2003-2008 Matthias Christian Schabel |
5 | // Copyright (C) 2008 Steven Watanabe |
6 | // |
7 | // Distributed under the Boost Software License, Version 1.0. (See |
8 | // accompanying file LICENSE_1_0.txt or copy at |
9 | // http://www.boost.org/LICENSE_1_0.txt) |
10 | |
11 | /** |
12 | \file |
13 | |
14 | \brief test_implicit_conversion.cpp |
15 | |
16 | \details |
17 | Test implicit conversions for quantity. |
18 | |
19 | Output: |
20 | @verbatim |
21 | @endverbatim |
22 | **/ |
23 | |
24 | #include <boost/core/lightweight_test.hpp> |
25 | |
26 | #include <boost/units/static_constant.hpp> |
27 | #include <boost/units/quantity.hpp> |
28 | #include <boost/units/systems/si.hpp> |
29 | #include <boost/units/systems/cgs.hpp> |
30 | |
31 | namespace bu = boost::units; |
32 | |
33 | int main() |
34 | { |
35 | //// si->si always true |
36 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
37 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
38 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
39 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::current_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
40 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::temperature_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
41 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::amount_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
42 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::luminous_intensity_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
43 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::plane_angle_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
44 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::solid_angle_base_dimension,bu::si::system_tag,bu::si::system_tag>::value == true)); |
45 | |
46 | //// cgs->cgs always true |
47 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
48 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
49 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
50 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::current_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
51 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::temperature_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
52 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::amount_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
53 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::luminous_intensity_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
54 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::plane_angle_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
55 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::solid_angle_base_dimension,bu::cgs::system_tag,bu::cgs::system_tag>::value == true)); |
56 | |
57 | //// si->cgs |
58 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::si::system_tag,bu::cgs::system_tag>::value == false)); |
59 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::si::system_tag,bu::cgs::system_tag>::value == false)); |
60 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::si::system_tag,bu::cgs::system_tag>::value == true)); |
61 | |
62 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::length,bu::cgs::length>::value == false)); |
63 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::mass,bu::cgs::mass>::value == false)); |
64 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::time,bu::cgs::time>::value == true)); |
65 | |
66 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::acceleration,bu::cgs::acceleration>::value == false)); |
67 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::area,bu::cgs::area>::value == false)); |
68 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::energy,bu::cgs::energy>::value == false)); |
69 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::force,bu::cgs::force>::value == false)); |
70 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::frequency,bu::cgs::frequency>::value == true)); |
71 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::mass_density,bu::cgs::mass_density>::value == false)); |
72 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::momentum,bu::cgs::momentum>::value == false)); |
73 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::power,bu::cgs::power>::value == false)); |
74 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::pressure,bu::cgs::pressure>::value == false)); |
75 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::velocity,bu::cgs::velocity>::value == false)); |
76 | BOOST_TEST((bu::is_implicitly_convertible<bu::si::wavenumber,bu::cgs::wavenumber>::value == false)); |
77 | |
78 | //// cgs->si |
79 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::length_base_dimension,bu::cgs::system_tag,bu::si::system_tag>::value == false)); |
80 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::mass_base_dimension,bu::cgs::system_tag,bu::si::system_tag>::value == false)); |
81 | //BOOST_TEST((bu::base_unit_is_implicitly_convertible<bu::time_base_dimension,bu::cgs::system_tag,bu::si::system_tag>::value == true)); |
82 | |
83 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::length,bu::si::length>::value == false)); |
84 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::mass,bu::si::mass>::value == false)); |
85 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::time,bu::si::time>::value == true)); |
86 | |
87 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::acceleration,bu::si::acceleration>::value == false)); |
88 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::area,bu::si::area>::value == false)); |
89 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::energy,bu::si::energy>::value == false)); |
90 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::force,bu::si::force>::value == false)); |
91 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::frequency,bu::si::frequency>::value == true)); |
92 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::mass_density,bu::si::mass_density>::value == false)); |
93 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::momentum,bu::si::momentum>::value == false)); |
94 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::power,bu::si::power>::value == false)); |
95 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::pressure,bu::si::pressure>::value == false)); |
96 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::velocity,bu::si::velocity>::value == false)); |
97 | BOOST_TEST((bu::is_implicitly_convertible<bu::cgs::wavenumber,bu::si::wavenumber>::value == false)); |
98 | |
99 | BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::si::time> S1(2.0*bu::si::seconds); |
100 | BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::cgs::time> S2 = S1; |
101 | |
102 | BOOST_TEST((S1.value() == S2.value())); |
103 | |
104 | BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::si::catalytic_activity> S3(2.0*bu::si::catalytic_activity()); |
105 | |
106 | |
107 | BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::cgs::time> C1(2.0*bu::cgs::seconds); |
108 | BOOST_CONSTEXPR_OR_CONST bu::quantity<bu::si::time> C2 = C1; |
109 | |
110 | BOOST_TEST((C1.value() == C2.value())); |
111 | |
112 | return boost::report_errors(); |
113 | } |
114 | |