51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
// 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_NOT_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_NOT_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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/*!
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\brief Structure negating the result of specified policy
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\tparam Geometry1 \tparam_geometry
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\tparam Geometry2 \tparam_geometry
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\tparam Policy
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\param geometry1 \param_geometry
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\param geometry2 \param_geometry
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\return Negation of the result of the policy
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*/
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template <typename Geometry1, typename Geometry2, typename Policy>
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struct not_
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{
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static inline bool apply(Geometry1 const &geometry1, Geometry2 const& geometry2)
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{
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return ! Policy::apply(geometry1, geometry2);
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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_NOT_HPP
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