Ring Concept Reference

Definition

The concept Ring describes the requirements for the ring of coefficients used to compute homology in the HomologicalDiscreteVectorField concept. Besides ring operators, it also specifies the functions needed to test invertibility in the ring.

Has models

CGAL::HDVF::Z2

CGAL::HDVF::Zp

Types
typedef unspecified_type	Value
	Type of elements of the ring.

Input/output
std::ostream &	operator<< (std::ostream &out, const Ring &v)
	Output operator.
std::istream &	operator>> (std::istream &out, const Ring &v)
	Input operator.

Invertibility
bool	is_invertible (Value v)
	Test if v is invertible in the ring.