\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - 2D and 3D Linear Geometry Kernel

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Kernel::HasOn_3 Concept Reference
Kernel Function Object Concepts

## Definition

Refines:
  `AdaptableFunctor` (with two arguments)

See Also
  `CGAL::Circle_3<Kernel>`
  `CGAL::Line_3<Kernel>`
  `CGAL::Plane_3<Kernel>`
  `CGAL::Point_3<Kernel>`
  `CGAL::Ray_3<Kernel>`
  `CGAL::Segment_3<Kernel>`
  `CGAL::Sphere_3<Kernel>`
  `CGAL::Triangle_3<Kernel>`

## Operations
A model of this concept must provide:
bool | operator() (const Kernel::Circle_3 &c, const Kernel::Point_3 &p)
| returns true iff `p` lies on `c`.
bool | operator() (const Kernel::Line_3 &l, const Kernel::Point_3 &p)
| returns true iff `p` lies on `l`.
bool | operator() (const Kernel::Ray_3 &r, const Kernel::Point_3 &p)
| returns true iff `p` lies on `r`.
bool | operator() (const Kernel::Segment_3 &s, const Kernel::Point_3 &p)
| returns true iff `p` lies on `s`.
bool | operator() (const Kernel::Plane_3 &pl, const Kernel::Point_3 &p)
| returns true iff `p` lies on `pl`.
bool | operator() (const Kernel::Plane_3 &pl, const Kernel::Line_3 &l)
| returns true iff `l` lies on `pl`.
bool | operator() (const Kernel::Plane_3 &pl, const Kernel::Circle_3 &c)
| returns true iff `c` lies on `pl`.
bool | operator() (const Kernel::Sphere_3 &s, const Kernel::Point_3 &c)
| returns true iff `c` lies on `s`.
bool | operator() (const Kernel::Sphere_3 &s, const Kernel::Circle_3 &c)
| returns true iff `c` lies on `s`.
bool | operator() (const Kernel::Triangle_3 &t, const Kernel::Point_3 &p)
| returns true iff `p` lies on `t`.