]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | // Boost.Geometry |
2 | ||
3 | // Copyright (c) 2015 Oracle and/or its affiliates. | |
4 | ||
5 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
6 | ||
7 | // Use, modification and distribution is subject to the Boost Software License, | |
8 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
9 | // http://www.boost.org/LICENSE_1_0.txt) | |
10 | ||
11 | #ifndef BOOST_GEOMETRY_UTIL_CONDITION_HPP | |
12 | #define BOOST_GEOMETRY_UTIL_CONDITION_HPP | |
13 | ||
14 | ||
15 | #include <boost/config.hpp> | |
16 | ||
17 | ||
18 | // The macro defined in this file allows to suppress the MSVC | |
19 | // compiler warning C4127: conditional expression is constant | |
20 | ||
21 | #ifdef BOOST_MSVC | |
22 | ||
23 | // NOTE: The code commented out below contains an alternative implementation | |
24 | // of a macro using a free function. It was left here in case if in the future | |
25 | // version of MSVC for the code currently used in the macro implementation | |
26 | // the warning was generated. | |
27 | ||
28 | //#ifndef DOXYGEN_NO_DETAIL | |
29 | //namespace boost { namespace geometry { namespace detail { | |
30 | //BOOST_FORCEINLINE bool condition(bool const b) { return b; } | |
31 | //}}} // boost::geometry::detail | |
32 | //#endif // DOXYGEN_NO_DETAIL | |
33 | //#define BOOST_GEOMETRY_CONDITION(CONDITION) boost::geometry::detail::condition(CONDITION) | |
34 | ||
35 | #define BOOST_GEOMETRY_CONDITION(CONDITION) ((void)0, (CONDITION)) | |
36 | ||
37 | #else | |
38 | ||
39 | #define BOOST_GEOMETRY_CONDITION(CONDITION) (CONDITION) | |
40 | ||
41 | #endif | |
42 | ||
43 | ||
44 | #endif // BOOST_GEOMETRY_UTIL_CONDITION_HPP |