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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 | #ifndef BOOST_UNITS_CONFIG_HPP | |
12 | #define BOOST_UNITS_CONFIG_HPP | |
13 | ||
14 | #include <boost/config.hpp> | |
15 | #include <boost/version.hpp> | |
16 | ||
17 | #ifndef BOOST_UNITS_HAS_BOOST_TYPEOF | |
18 | #if (BOOST_VERSION >= 103400) | |
19 | ///INTERNAL ONLY | |
20 | #define BOOST_UNITS_HAS_BOOST_TYPEOF 1 | |
21 | #else | |
22 | ///INTERNAL ONLY | |
23 | #define BOOST_UNITS_HAS_BOOST_TYPEOF 0 | |
24 | #endif | |
25 | #endif | |
26 | ||
27 | #if (BOOST_UNITS_HAS_BOOST_TYPEOF) | |
28 | #include <boost/typeof/typeof.hpp> | |
29 | ///INTERNAL ONLY | |
30 | #define BOOST_UNITS_HAS_TYPEOF 1 | |
31 | #else | |
32 | #if (__GNUC__ && __cplusplus) | |
33 | ///INTERNAL ONLY | |
34 | #define BOOST_UNITS_HAS_TYPEOF 1 | |
35 | ///INTERNAL ONLY | |
36 | #define BOOST_UNITS_HAS_GNU_TYPEOF 1 | |
37 | #elif defined(__MWERKS__) | |
38 | ///INTERNAL ONLY | |
39 | #define BOOST_UNITS_HAS_TYPEOF 1 | |
40 | ///INTERNAL ONLY | |
41 | #define BOOST_UNITS_HAS_MWERKS_TYPEOF 1 | |
42 | #else | |
43 | ///INTERNAL ONLY | |
44 | #define BOOST_UNITS_HAS_TYPEOF 0 | |
45 | #endif | |
46 | #endif | |
47 | ||
48 | // uncomment this to test without typeof support at all | |
49 | //#undef BOOST_UNITS_HAS_TYPEOF | |
50 | //#define BOOST_UNITS_HAS_TYPEOF 0 | |
51 | ||
52 | #ifndef BOOST_UNITS_NO_COMPILER_CHECK | |
53 | ||
54 | #ifdef BOOST_NO_MEMBER_TEMPLATES | |
55 | #error Boost.Units requires member template | |
56 | #endif | |
57 | ||
58 | #ifdef BOOST_NO_MEMBER_TEMPLATE_KEYWORD | |
59 | #error Boost.Units requires member template keyword | |
60 | #endif | |
61 | ||
62 | #ifdef BOOST_NO_INCLASS_MEMBER_INITIALIZATION | |
63 | #error Boost.Units requires in class member initialization | |
64 | #endif | |
65 | ||
66 | #ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING | |
67 | #error Boost.Units requires function template partial ordering | |
68 | #endif | |
69 | ||
70 | ||
71 | #endif | |
72 | ||
73 | #ifdef BOOST_UNITS_REQUIRE_LAYOUT_COMPATIBILITY | |
74 | ///INTERNAL ONLY | |
75 | #define BOOST_UNITS_CHECK_LAYOUT_COMPATIBILITY(a, b) BOOST_STATIC_ASSERT((sizeof(a) == sizeof(b))) | |
76 | #else | |
77 | ///INTERNAL ONLY | |
78 | #define BOOST_UNITS_CHECK_LAYOUT_COMPATIBILITY(a, b) ((void)0) | |
79 | #endif | |
80 | ||
81 | #ifdef BOOST_UNITS_DOXYGEN | |
82 | ||
83 | /// If defined will trigger a static assertion if quantity<Unit, T> | |
84 | /// is not layout compatible with T | |
85 | #define BOOST_UNITS_REQUIRE_LAYOUT_COMPATIBILITY | |
86 | ||
87 | /// If defined will disable a preprocessor check that the | |
88 | /// compiler is able to handle the library. | |
89 | #define BOOST_UNITS_NO_COMPILER_CHECK | |
90 | ||
91 | /// Enable checking to verify that a homogeneous system | |
92 | /// is actually capable of representing all the dimensions | |
93 | /// that it is used with. Off by default. | |
94 | #define BOOST_UNITS_CHECK_HOMOGENEOUS_UNITS | |
95 | ||
96 | #endif | |
97 | ||
98 | #endif |