FM / cartesian

/usr/include/boost/geometry/strategies/cartesian/

/usr/include/boost/geometry/strategies/cartesian

Name	Size	Mode	Actions
area.hpp	3958	0644	edit dl rm
area_surveyor.hpp	1221	0644	edit dl rm
azimuth.hpp	1212	0644	edit dl rm
box_in_box.hpp	10614	0644	edit dl rm
buffer_end_flat.hpp	3757	0644	edit dl rm
buffer_end_round.hpp	6084	0644	edit dl rm
buffer_join_miter.hpp	4540	0644	edit dl rm
buffer_join_round.hpp	6206	0644	edit dl rm
buffer_join_round_by_divide.hpp	4659	0644	edit dl rm
buffer_point_circle.hpp	4016	0644	edit dl rm
buffer_point_square.hpp	3654	0644	edit dl rm
buffer_side_straight.hpp	4587	0644	edit dl rm
centroid_average.hpp	2880	0644	edit dl rm
centroid_bashein_detmer.hpp	8541	0644	edit dl rm
centroid_weighted_length.hpp	4855	0644	edit dl rm
densify.hpp	3902	0644	edit dl rm
disjoint_box_box.hpp	2985	0644	edit dl rm
disjoint_segment_box.hpp	8965	0644	edit dl rm
distance_projected_point.hpp	9635	0644	edit dl rm
distance_projected_point_ax.hpp	9835	0644	edit dl rm
distance_pythagoras.hpp	7674	0644	edit dl rm
distance_pythagoras_box_box.hpp	8993	0644	edit dl rm
distance_pythagoras_point_box.hpp	9230	0644	edit dl rm
distance_segment_box.hpp	6893	0644	edit dl rm
envelope.hpp	4299	0644	edit dl rm
envelope_box.hpp	3479	0644	edit dl rm
envelope_multipoint.hpp	1442	0644	edit dl rm
envelope_point.hpp	2963	0644	edit dl rm
envelope_segment.hpp	2458	0644	edit dl rm
expand_box.hpp	1868	0644	edit dl rm
expand_point.hpp	3340	0644	edit dl rm
expand_segment.hpp	1900	0644	edit dl rm
index.hpp	6976	0644	edit dl rm
intersection.hpp	30855	0644	edit dl rm
io.hpp	1873	0644	edit dl rm
line_interpolate.hpp	3772	0644	edit dl rm
point_in_box.hpp	8761	0644	edit dl rm
point_in_point.hpp	3543	0644	edit dl rm
point_in_poly_crossings_multiply.hpp	3593	0644	edit dl rm
point_in_poly_franklin.hpp	3464	0644	edit dl rm
point_in_poly_winding.hpp	9889	0644	edit dl rm
point_order.hpp	1024	0644	edit dl rm
side_by_triangle.hpp	9669	0644	edit dl rm
turn_in_ring_winding.hpp	7463	0644	edit dl rm

Edit: /usr/include/boost/geometry/strategies/cartesian/distance_pythagoras_box_box.hpp (8993B)

// Boost.Geometry (aka GGL, Generic Geometry Library)

// This file was modified by Oracle on 2014, 2018.
// Modifications copyright (c) 2014, 2018, Oracle and/or its affiliates.

// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle

// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.

// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#ifndef BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_PYTHAGORAS_BOX_BOX_HPP
#define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_PYTHAGORAS_BOX_BOX_HPP

#include <boost/geometry/core/access.hpp>
#include <boost/geometry/core/point_type.hpp>

#include <boost/geometry/geometries/concepts/point_concept.hpp>

#include <boost/geometry/strategies/distance.hpp>

#include <boost/geometry/util/math.hpp>
#include <boost/geometry/util/calculation_type.hpp>

namespace boost { namespace geometry
{

namespace strategy { namespace distance
{

#ifndef DOXYGEN_NO_DETAIL
namespace detail
{

template <std::size_t I>
struct compute_pythagoras_box_box
{
    template <typename Box1, typename Box2, typename T>
    static inline void apply(Box1 const& box1, Box2 const& box2, T& result)
    {
        T const b1_min_coord =
            boost::numeric_cast<T>(geometry::get<min_corner, I-1>(box1));
        T const b1_max_coord =
            boost::numeric_cast<T>(geometry::get<max_corner, I-1>(box1));

T const b2_min_coord =
            boost::numeric_cast<T>(geometry::get<min_corner, I-1>(box2));
        T const b2_max_coord =
            boost::numeric_cast<T>(geometry::get<max_corner, I-1>(box2));

if ( b1_max_coord < b2_min_coord )
        {
            T diff = b2_min_coord - b1_max_coord;
            result += diff * diff;
        }
        if ( b1_min_coord > b2_max_coord )
        {
            T diff = b1_min_coord - b2_max_coord;
            result += diff * diff;
        }

compute_pythagoras_box_box<I-1>::apply(box1, box2, result);
    }
};

template <>
struct compute_pythagoras_box_box<0>
{
    template <typename Box1, typename Box2, typename T>
    static inline void apply(Box1 const&, Box2 const&, T&)
    {
    }
};

}
#endif // DOXYGEN_NO_DETAIL

namespace comparable
{

/*!
\brief Strategy to calculate comparable distance between two boxes
\ingroup strategies
\tparam Box1 \tparam_first_box
\tparam Box2 \tparam_second_box
\tparam CalculationType \tparam_calculation
*/
template <typename CalculationType = void>
class pythagoras_box_box
{
public :

template <typename Box1, typename Box2>
    struct calculation_type
    {
        typedef typename util::calculation_type::geometric::binary
            <
                Box1,
                Box2,
                CalculationType
            >::type type;
    };

template <typename Box1, typename Box2>
    static inline typename calculation_type<Box1, Box2>::type
    apply(Box1 const& box1, Box2 const& box2)
    {
        BOOST_CONCEPT_ASSERT
            ( (concepts::ConstPoint<typename point_type<Box1>::type>) );
        BOOST_CONCEPT_ASSERT
            ( (concepts::ConstPoint<typename point_type<Box2>::type>) );

// Calculate distance using Pythagoras
        // (Leave comment above for Doxygen)

assert_dimension_equal<Box1, Box2>();

typename calculation_type<Box1, Box2>::type result(0);
        
        detail::compute_pythagoras_box_box
            <
                dimension<Box1>::value
            >::apply(box1, box2, result);

return result;
    }
};

} // namespace comparable

/*!
\brief Strategy to calculate the distance between two boxes
\ingroup strategies
\tparam CalculationType \tparam_calculation

\qbk{
[heading Notes]
[note Can be used for boxes with two\, three or more dimensions]
[heading See also]
[link geometry.reference.algorithms.distance.distance_3_with_strategy distance (with strategy)]
}

*/
template
<
    typename CalculationType = void
>
class pythagoras_box_box
{
public :

template <typename Box1, typename Box2>
    struct calculation_type
        : util::calculation_type::geometric::binary
          <
              Box1,
              Box2,
              CalculationType,
              double,
              double // promote integer to double
          >
    {};

/*!
    \brief applies the distance calculation using pythagoras_box_box
    \return the calculated distance (including taking the square root)
    \param box1 first box
    \param box2 second box
    */
    template <typename Box1, typename Box2>
    static inline typename calculation_type<Box1, Box2>::type
    apply(Box1 const& box1, Box2 const& box2)
    {
        // The cast is necessary for MSVC which considers sqrt __int64 as an ambiguous call
        return math::sqrt
            (
                 boost::numeric_cast<typename calculation_type
                     <
                         Box1, Box2
                     >::type>
                    (
                        comparable::pythagoras_box_box
                            <
                                CalculationType
                            >::apply(box1, box2)
                    )
            );
    }
};

#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
namespace services
{

template <typename CalculationType>
struct tag<pythagoras_box_box<CalculationType> >
{
    typedef strategy_tag_distance_box_box type;
};

template <typename CalculationType, typename Box1, typename Box2>
struct return_type<distance::pythagoras_box_box<CalculationType>, Box1, Box2>
    : pythagoras_box_box<CalculationType>::template calculation_type<Box1, Box2>
{};

template <typename CalculationType>
struct comparable_type<pythagoras_box_box<CalculationType> >
{
    typedef comparable::pythagoras_box_box<CalculationType> type;
};

template <typename CalculationType>
struct get_comparable<pythagoras_box_box<CalculationType> >
{
    typedef comparable::pythagoras_box_box<CalculationType> comparable_type;
public :
    static inline comparable_type
    apply(pythagoras_box_box<CalculationType> const& )
    {
        return comparable_type();
    }
};

template <typename CalculationType, typename Box1, typename Box2>
struct result_from_distance<pythagoras_box_box<CalculationType>, Box1, Box2>
{
private:
    typedef typename return_type
        <
            pythagoras_box_box<CalculationType>, Box1, Box2
        >::type return_type;
public:
    template <typename T>
    static inline return_type
    apply(pythagoras_box_box<CalculationType> const& , T const& value)
    {
        return return_type(value);
    }
};

// Specializations for comparable::pythagoras_box_box
template <typename CalculationType>
struct tag<comparable::pythagoras_box_box<CalculationType> >
{
    typedef strategy_tag_distance_box_box type;
};

template <typename CalculationType, typename Box1, typename Box2>
struct return_type<comparable::pythagoras_box_box<CalculationType>, Box1, Box2>
    : comparable::pythagoras_box_box
        <
            CalculationType
        >::template calculation_type<Box1, Box2>
{};

template <typename CalculationType>
struct comparable_type<comparable::pythagoras_box_box<CalculationType> >
{
    typedef comparable::pythagoras_box_box<CalculationType> type;
};

template <typename CalculationType>
struct get_comparable<comparable::pythagoras_box_box<CalculationType> >
{
    typedef comparable::pythagoras_box_box<CalculationType> comparable_type;
public :
    static inline comparable_type apply(comparable_type const& )
    {
        return comparable_type();
    }
};

template <typename CalculationType, typename Box1, typename Box2>
struct result_from_distance
    <
        comparable::pythagoras_box_box<CalculationType>, Box1, Box2
    >
{
private :
    typedef typename return_type
        <
            comparable::pythagoras_box_box<CalculationType>, Box1, Box2
        >::type return_type;
public :
    template <typename T>
    static inline return_type
    apply(comparable::pythagoras_box_box<CalculationType> const&,
          T const& value)
    {
        return_type const v = value;
        return v * v;
    }
};

template <typename BoxPoint1, typename BoxPoint2>
struct default_strategy
    <
        box_tag, box_tag, BoxPoint1, BoxPoint2, cartesian_tag, cartesian_tag
    >
{
    typedef pythagoras_box_box<> type;
};

} // namespace services
#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS

}} // namespace strategy::distance

}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISTANCE_PYTHAGORAS_BOX_BOX_HPP

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