\begin{ccRefFunctionObjectConcept}{RealEmbeddableTraits::Sign}

\ccDefinition

\ccc{AdaptableUnaryFunction} computes the sign of a real embeddable number. 
 
\ccRefines 

\ccc{AdaptableUnaryFunction}  

\ccTypes
\ccNestedType{result_type} 
        { Type convertible to \ccc{CGAL::Sign}.}
\ccNestedType{argument_type}
        { Is \ccc{RealEmbeddableTraits::Type}.}

\ccOperations
\ccCreationVariable{sign}
\ccThree{xxxxxxxxxxx}{xxxxxxxxxxx}{}

\ccMethod{result_type operator()(argument_type x);}
        { Computes the sign of $x$. }

%\ccHasModels

\ccSeeAlso

\ccRefIdfierPage{RealEmbeddableTraits}\\

\end{ccRefFunctionObjectConcept} 
