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#### strategy::within::winding

Within detection using winding rule.

###### Synopsis

    template<typename Point, typename PointOfSegment, typename CalculationType>
    class strategy::within::winding
    {
      // ...
    };

###### Template parameter(s)

Parameter | Default | Description
--- | --- | ---
typename Point |  | Any type fulfilling a Point Concept
typename PointOfSegment | Point | segment point type
typename CalculationType | void | numeric type for calculation (e.g. high precision); if void then it is extracted automatically from the coordinate type and (if necessary) promoted to floating point

###### Member Function(s)

Function | Description | Parameters | Returns
--- | --- | --- | ---

    bool apply(Point const & point, PointOfSegment const & s1, PointOfSegment const & s2, counter & state)

Point const &: point:

PointOfSegment const &: s1:

PointOfSegment const &: s2:

counter &: state:

    int result(counter const & state)

counter const &: state:

###### Header

`#include <boost/geometry/strategies/agnostic/point_in_poly_winding.hpp>`

###### See also

within (with strategy)