CGAL 6.2 - Algebraic Foundations: AlgebraicStructureTraits_::IsZero Concept Reference

CGAL 6.2 - Algebraic Foundations

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AlgebraicStructureTraits_::IsZero Concept Reference
Reference Manual » Concepts

## Definition

`AdaptableUnaryFunction`, returns true in case the argument is the zero element of the ring.

Refines
  `AdaptableUnaryFunction`

See also
  `AlgebraicStructureTraits`
  `RealEmbeddableTraits_::IsZero`

## Types
typedef unspecified_type | result_type
| Is `AlgebraicStructureTraits::Boolean`.
typedef unspecified_type | argument_type
| Is `AlgebraicStructureTraits::Type`.

## Operations
result_type | operator() (argument_type x) const
| returns true in case \( x\) is the zero element of the ring.