22 #ifndef _BLAZE_MATH_TYPETRAITS_ISABSEXPR_H_
23 #define _BLAZE_MATH_TYPETRAITS_ISABSEXPR_H_
30 #include <boost/type_traits/is_base_of.hpp>
50 template<
typename T >
51 struct IsAbsExprHelper
54 enum { value = boost::is_base_of<AbsExpr,T>::value && !boost::is_base_of<T,AbsExpr>::value };
55 typedef typename SelectType<value,TrueType,FalseType>::Type Type;
74 template<
typename T >
80 enum { value = IsAbsExprHelper<T>::value };
81 typedef typename IsAbsExprHelper<T>::Type Type;