FM / detail

/usr/include/boost/geometry/algorithms/detail/

/usr/include/boost/geometry/algorithms/detail

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buffer/	-	0755	rm
centroid/	-	0755	rm
closest_feature/	-	0755	rm
comparable_distance/	-	0755	rm
covered_by/	-	0755	rm
disjoint/	-	0755	rm
distance/	-	0755	rm
envelope/	-	0755	rm
equals/	-	0755	rm
expand/	-	0755	rm
intersection/	-	0755	rm
intersects/	-	0755	rm
is_simple/	-	0755	rm
is_valid/	-	0755	rm
make/	-	0755	rm
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relation/	-	0755	rm
sections/	-	0755	rm
touches/	-	0755	rm
turns/	-	0755	rm
within/	-	0755	rm
assign_box_corners.hpp	3338	0644	edit dl rm
assign_indexed_point.hpp	2656	0644	edit dl rm
assign_values.hpp	8957	0644	edit dl rm
as_range.hpp	2688	0644	edit dl rm
azimuth.hpp	4802	0644	edit dl rm
calculate_null.hpp	1144	0644	edit dl rm
calculate_point_order.hpp	11145	0644	edit dl rm
calculate_sum.hpp	2047	0644	edit dl rm
check_iterator_range.hpp	2012	0644	edit dl rm
convert_indexed_to_indexed.hpp	2296	0644	edit dl rm
convert_point_to_point.hpp	2259	0644	edit dl rm
counting.hpp	2746	0644	edit dl rm
course.hpp	1180	0644	edit dl rm
direction_code.hpp	9205	0644	edit dl rm
expand_by_epsilon.hpp	3880	0644	edit dl rm
extreme_points.hpp	19767	0644	edit dl rm
for_each_range.hpp	4962	0644	edit dl rm
get_max_size.hpp	2054	0644	edit dl rm
has_self_intersections.hpp	5389	0644	edit dl rm
interior_iterator.hpp	1768	0644	edit dl rm
max_interval_gap.hpp	8430	0644	edit dl rm
multi_modify.hpp	1883	0644	edit dl rm
multi_modify_with_predicate.hpp	1442	0644	edit dl rm
multi_sum.hpp	1490	0644	edit dl rm
normalize.hpp	1296	0644	edit dl rm
not.hpp	2032	0644	edit dl rm
num_distinct_consecutive_points.hpp	2449	0644	edit dl rm
partition.hpp	29824	0644	edit dl rm
point_is_spike_or_equal.hpp	5455	0644	edit dl rm
point_on_border.hpp	5254	0644	edit dl rm
recalculate.hpp	6905	0644	edit dl rm
ring_identifier.hpp	2285	0644	edit dl rm
signed_size_type.hpp	770	0644	edit dl rm
single_geometry.hpp	2840	0644	edit dl rm
sub_range.hpp	4097	0644	edit dl rm
sweep.hpp	2086	0644	edit dl rm
throw_on_empty_input.hpp	2073	0644	edit dl rm
tupled_output.hpp	19235	0644	edit dl rm

Edit: /usr/include/boost/geometry/algorithms/detail/azimuth.hpp (4802B)

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

// This file was modified by Oracle on 2014, 2016, 2017.
// Modifications copyright (c) 2014-2017, Oracle and/or its affiliates.

// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle

// 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_ALGORITHMS_DETAIL_AZIMUTH_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_AZIMUTH_HPP

#include <boost/geometry/algorithms/not_implemented.hpp>

#include <boost/geometry/core/cs.hpp>
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/core/radian_access.hpp>
#include <boost/geometry/core/tags.hpp>

#include <boost/geometry/formulas/spherical.hpp>
#include <boost/geometry/formulas/vincenty_inverse.hpp>

#include <boost/geometry/srs/spheroid.hpp>

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

namespace boost { namespace geometry
{

// An azimuth is an angle between a vector/segment from origin to a point of
// interest and a reference vector. Typically north-based azimuth is used.
// North direction is used as a reference, angle is measured clockwise
// (North - 0deg, East - 90deg). For consistency in 2d cartesian CS
// the reference vector is Y axis, angle is measured clockwise.
// http://en.wikipedia.org/wiki/Azimuth

#ifndef DOXYGEN_NO_DISPATCH
namespace detail_dispatch
{

template <typename ReturnType, typename Tag>
struct azimuth
    : not_implemented<Tag>
{};

template <typename ReturnType>
struct azimuth<ReturnType, geographic_tag>
{
    template <typename P1, typename P2, typename Spheroid>
    static inline ReturnType apply(P1 const& p1, P2 const& p2, Spheroid const& spheroid)
    {
        return geometry::formula::vincenty_inverse<ReturnType, false, true>().apply
                    ( get_as_radian<0>(p1), get_as_radian<1>(p1),
                      get_as_radian<0>(p2), get_as_radian<1>(p2),
                      spheroid ).azimuth;
    }

template <typename P1, typename P2>
    static inline ReturnType apply(P1 const& p1, P2 const& p2)
    {
        return apply(p1, p2, srs::spheroid<ReturnType>());
    }
};

template <typename ReturnType>
struct azimuth<ReturnType, spherical_equatorial_tag>
{
    template <typename P1, typename P2, typename Sphere>
    static inline ReturnType apply(P1 const& p1, P2 const& p2, Sphere const& /*unused*/)
    {
        return geometry::formula::spherical_azimuth<ReturnType, false>
                    ( get_as_radian<0>(p1), get_as_radian<1>(p1),
                      get_as_radian<0>(p2), get_as_radian<1>(p2)).azimuth;
    }

template <typename P1, typename P2>
    static inline ReturnType apply(P1 const& p1, P2 const& p2)
    {
        return apply(p1, p2, 0); // dummy model
    }
};

template <typename ReturnType>
struct azimuth<ReturnType, spherical_polar_tag>
    : azimuth<ReturnType, spherical_equatorial_tag>
{};

template <typename ReturnType>
struct azimuth<ReturnType, cartesian_tag>
{
    template <typename P1, typename P2, typename Plane>
    static inline ReturnType apply(P1 const& p1, P2 const& p2, Plane const& /*unused*/)
    {
        ReturnType x = get<0>(p2) - get<0>(p1);
        ReturnType y = get<1>(p2) - get<1>(p1);

// NOTE: azimuth 0 is at Y axis, increasing right
        // as in spherical/geographic where 0 is at North axis
        return atan2(x, y);
    }

template <typename P1, typename P2>
    static inline ReturnType apply(P1 const& p1, P2 const& p2)
    {
        return apply(p1, p2, 0); // dummy model
    }
};

} // detail_dispatch
#endif // DOXYGEN_NO_DISPATCH

#ifndef DOXYGEN_NO_DETAIL
namespace detail
{

/// Calculate azimuth between two points.
/// The result is in radians.
template <typename ReturnType, typename Point1, typename Point2>
inline ReturnType azimuth(Point1 const& p1, Point2 const& p2)
{
    return detail_dispatch::azimuth
            <
                ReturnType,
                typename geometry::cs_tag<Point1>::type
            >::apply(p1, p2);
}

/// Calculate azimuth between two points.
/// The result is in radians.
template <typename ReturnType, typename Point1, typename Point2, typename Model>
inline ReturnType azimuth(Point1 const& p1, Point2 const& p2, Model const& model)
{
    return detail_dispatch::azimuth
            <
                ReturnType,
                typename geometry::cs_tag<Point1>::type
            >::apply(p1, p2, model);
}

} // namespace detail
#endif // DOXYGEN_NO_DETAIL

}} // namespace boost::geometry

#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_AZIMUTH_HPP

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