45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
// Boost.Geometry
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// Copyright (c) 2015 Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_UTIL_CONDITION_HPP
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#define BOOST_GEOMETRY_UTIL_CONDITION_HPP
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#include <boost/config.hpp>
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// The macro defined in this file allows to suppress the MSVC
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// compiler warning C4127: conditional expression is constant
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#ifdef BOOST_MSVC
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// NOTE: The code commented out below contains an alternative implementation
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// of a macro using a free function. It was left here in case if in the future
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// version of MSVC for the code currently used in the macro implementation
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// the warning was generated.
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//#ifndef DOXYGEN_NO_DETAIL
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//namespace boost { namespace geometry { namespace detail {
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//BOOST_FORCEINLINE bool condition(bool const b) { return b; }
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//}}} // boost::geometry::detail
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//#endif // DOXYGEN_NO_DETAIL
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//#define BOOST_GEOMETRY_CONDITION(CONDITION) boost::geometry::detail::condition(CONDITION)
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#define BOOST_GEOMETRY_CONDITION(CONDITION) ((void)0, (CONDITION))
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#else
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#define BOOST_GEOMETRY_CONDITION(CONDITION) (CONDITION)
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#endif
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#endif // BOOST_GEOMETRY_UTIL_CONDITION_HPP
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