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38 lines
1.1 KiB
38 lines
1.1 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
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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_ALGORITHMS_DETAIL_CALCULATE_NULL_HPP |
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_CALCULATE_NULL_HPP |
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namespace boost { namespace geometry |
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{ |
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#ifndef DOXYGEN_NO_DETAIL |
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namespace detail |
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{ |
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template<typename ReturnType, typename Geometry, typename Strategy> |
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struct calculate_null |
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{ |
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static inline ReturnType apply(Geometry const& , Strategy const&) |
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{ |
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return ReturnType(); |
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} |
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}; |
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} // namespace detail |
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#endif // DOXYGEN_NO_DETAIL |
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}} // namespace boost::geometry |
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_CALCULATE_NULL_HPP
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