\begin{ccRefFunctionObjectConcept}{AlgebraicStructureTraits::IsZero} \ccDefinition \ccc{AdaptableUnaryFunction}, returns true in case the argument is the zero element of the ring. \\ \ccRefines \ccc{AdaptableUnaryFunction} \ccTypes \ccNestedType{result_type} { Type convertible to \ccc{bool}.} \ccNestedType{argument_type} { Is \ccc{AlgebraicStructureTraits::Type}.} \ccOperations \ccCreationVariable{is_zero} \ccThree{xxxxxxxxxxx}{xxxxxxxxxxx}{} \ccMethod{result_type operator()(argument_type x) const;}{ returns true in case $x$ is the zero element of the ring. } %\ccHasModels \ccSeeAlso \ccRefIdfierPage{AlgebraicStructureTraits} \ccRefIdfierPage{RealEmbeddableTraits::IsZero} \end{ccRefFunctionObjectConcept}