r_Less_in_direction< R > Class Template Reference

#include <predicate_objects_on_points_2.h>

Public Types
typedef R::RT	RT
typedef R::Direction_2	Direction
typedef R::Point_2	Point
typedef R::Line_2	Line

Public Member Functions
	r_Less_in_direction (const Direction &dir)
bool	operator() (const Point &c, const Point &d) const

Private Attributes
Line	l

Detailed Description

template<class R>
class r_Less_in_direction< R >

Definition at line 417 of file predicate_objects_on_points_2.h.

Member Typedef Documentation

typedef R::Direction_2 Direction

Definition at line 421 of file predicate_objects_on_points_2.h.

typedef R::Line_2 Line

Definition at line 423 of file predicate_objects_on_points_2.h.

typedef R::Point_2 Point

Definition at line 422 of file predicate_objects_on_points_2.h.

typedef R::RT RT

Definition at line 420 of file predicate_objects_on_points_2.h.

Constructor & Destructor Documentation

r_Less_in_direction ( const Direction &  dir )

inline

Definition at line 425 of file predicate_objects_on_points_2.h.

        : l( Point( RT(0) , RT(0) ),
             Direction(-(dir.dy()), dir.dx() ))
        {}

Member Function Documentation

bool operator() ( const Point &  c, const Point &  d  ) const

inline

Definition at line 430 of file predicate_objects_on_points_2.h.

References EQUAL, r_Less_in_direction< R >::l, LARGER, and lexicographically_xy_smaller().

        {
          Comparison_result res = cmp_signed_dist_to_line(l, c, d);
          if ( res == LARGER )
          {
              return true;
          }
          else if ( res == EQUAL )
          {
              return  lexicographically_xy_smaller( c, d) ;
          }
          else
          {
              return false;
          }
        }

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Member Data Documentation

Line l

private

Definition at line 448 of file predicate_objects_on_points_2.h.

Referenced by r_Less_in_direction< R >::operator()().

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The documentation for this class was generated from the following file:

• predicate_objects_on_points_2.h