CGAL 6.1.2 - Algebraic Foundations: RealEmbeddableTraits_::IsNegative Concept Reference

CGAL 6.1.2 - Algebraic Foundations

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RealEmbeddableTraits_::IsNegative Concept Reference
Reference Manual » Concepts

## Definition

`AdaptableUnaryFunction`, returns true in case the argument is negative.

Refines
  `AdaptableUnaryFunction`

See also
  `RealEmbeddableTraits`

## Types
typedef unspecified_type | result_type
| Type convertible to `bool`.
typedef unspecified_type | argument_type
| Is `RealEmbeddableTraits::Type`.

## Operations
result_type | operator() (argument_type x)
| returns true in case \( x\) is negative.