22 #ifndef _BLAZE_MATH_TYPETRAITS_ISVECVECSUBEXPR_H_
23 #define _BLAZE_MATH_TYPETRAITS_ISVECVECSUBEXPR_H_
30 #include <boost/type_traits/is_base_of.hpp>
50 template<
typename T >
51 struct IsVecVecSubExprHelper
54 enum { value = boost::is_base_of<VecVecSubExpr,T>::value && !boost::is_base_of<T,VecVecSubExpr>::value };
55 typedef typename SelectType<value,TrueType,FalseType>::Type Type;
75 template<
typename T >
81 enum { value = IsVecVecSubExprHelper<T>::value };
82 typedef typename IsVecVecSubExprHelper<T>::Type Type;