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CGAL 4.8.1 - 2D and 3D Linear Geometry Kernel
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Functions
CGAL::compare_y() (2D/3D Linear Kernel)
CGAL::compare_y()

See Chapter 2D and 3D Geometry Kernel

compare1.png

Functions

template<typename Kernel >
Comparison_result CGAL::compare_y (const CGAL::Point_2< Kernel > &p, const CGAL::Point_2< Kernel > &q)
 compares Cartesian \( y\)-coordinates of p and q.
 
template<typename Kernel >
Comparison_result CGAL::compare_y (const CGAL::Point_3< Kernel > &p, const CGAL::Point_3< Kernel > &q)
 compares Cartesian \( y\)-coordinates of p and q.
 
template<typename Kernel >
Comparison_result CGAL::compare_y (const CGAL::Point_2< Kernel > &p, const CGAL::Line_2< Kernel > &l1, const CGAL::Line_2< Kernel > &l2)
 compares the \( y\)-coordinates of p and the intersection of lines l1 and l2. More...
 
template<typename Kernel >
Comparison_result CGAL::compare_y (const CGAL::Line_2< Kernel > &l, const CGAL::Line_2< Kernel > &h1, const CGAL::Line_2< Kernel > &h2)
 compares the \( y\)-coordinates of the intersection of line l with line h1 and with line h2. More...
 
template<typename Kernel >
Comparison_result CGAL::compare_y (const CGAL::Line_2< Kernel > &l1, const CGAL::Line_2< Kernel > &l2, const CGAL::Line_2< Kernel > &h1, const CGAL::Line_2< Kernel > &h2)
 compares the \( y\)-coordinates of the intersection of lines l1 and l2 and the intersection of lines h1 and h2. More...
 

Function Documentation

template<typename Kernel >
Comparison_result CGAL::compare_y ( const CGAL::Point_2< Kernel > &  p,
const CGAL::Line_2< Kernel > &  l1,
const CGAL::Line_2< Kernel > &  l2 
)

compares the \( y\)-coordinates of p and the intersection of lines l1 and l2.

See Figure figcompare13 (a).

#include <CGAL/Kernel/global_functions.h>

template<typename Kernel >
Comparison_result CGAL::compare_y ( const CGAL::Line_2< Kernel > &  l,
const CGAL::Line_2< Kernel > &  h1,
const CGAL::Line_2< Kernel > &  h2 
)

compares the \( y\)-coordinates of the intersection of line l with line h1 and with line h2.

See Figure figcompare13 (b).

#include <CGAL/Kernel/global_functions.h>

template<typename Kernel >
Comparison_result CGAL::compare_y ( const CGAL::Line_2< Kernel > &  l1,
const CGAL::Line_2< Kernel > &  l2,
const CGAL::Line_2< Kernel > &  h1,
const CGAL::Line_2< Kernel > &  h2 
)

compares the \( y\)-coordinates of the intersection of lines l1 and l2 and the intersection of lines h1 and h2.

See Figure figcompare13 (c).

#include <CGAL/Kernel/global_functions.h>