CGAL 5.4  Algebraic Foundations

AdaptableUnaryFunction
computes a double approximation of a real embeddable number.
Remark: In order to control the quality of approximation one has to resort to methods that are specific to NT. There are no general guarantees whatsoever.
RealEmbeddableTraits
Types  
typedef double  result_type 
The result type.  
typedef unspecified_type  argument_type 
Is RealEmbeddableTraits::Type .  
Operations  
result_type  operator() (argument_type x) 
computes a double approximation of a real embeddable number.  