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1 // Boost.Geometry (aka GGL, Generic Geometry Library)
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2
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3 // Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
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4 // Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
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5 // Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
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6
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7 // This file was modified by Oracle on 2014.
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8 // Modifications copyright (c) 2014, Oracle and/or its affiliates.
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9
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10 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
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11
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12 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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13 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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14
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15 // Use, modification and distribution is subject to the Boost Software License,
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16 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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17 // http://www.boost.org/LICENSE_1_0.txt)
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18
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19 #ifndef BOOST_GEOMETRY_STRATEGIES_DEFAULT_DISTANCE_RESULT_HPP
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20 #define BOOST_GEOMETRY_STRATEGIES_DEFAULT_DISTANCE_RESULT_HPP
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21
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22 #include <boost/geometry/strategies/distance_result.hpp>
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23
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24
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25 namespace boost { namespace geometry
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26 {
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27
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28 /*!
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29 \brief Meta-function defining return type of distance function
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30 \ingroup distance
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31 \note The strategy defines the return-type (so this situation is different
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32 from length, where distance is sqr/sqrt, but length always squared)
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33 */
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34 template <typename Geometry1, typename Geometry2 = Geometry1>
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35 struct default_distance_result
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36 : distance_result<Geometry1, Geometry2, void>
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37 {};
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38
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39
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40 }} // namespace boost::geometry
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41
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42
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43 #endif // BOOST_GEOMETRY_STRATEGIES_DEFAULT_DISTANCE_RESULT_HPP
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