\begin{ccRefFunction}{is_one}

\ccDefinition

The function \ccRefName\ determines if a value is equal to 1 or not.\\
The function is guaranteed to be well defined in case the argument type 
is a model of the \ccc{IntegralDomainWithoutDivision} concept. 

\ccInclude{CGAL/number_utils.h}

\ccFunction{template <class NT> result_type is_one(const NT& x);} 
        { The \ccc{result_type} is convertible to \ccc{bool}. }


\ccSeeAlso

\ccRefConceptPage{IntegralDomainWithoutDivision}\\
\ccRefConceptPage{AlgebraicStructureTraits::IsOne}\\

\end{ccRefFunction}
