inline static
typename std::enable_if<ExpansionTraits<Expansion>::has_vector_L2T>::type
apply(const Expansion& K,
const typename Expansion::local_type& L,
const typename Expansion::point_type& center,
TargetIter t_begin, TargetIter t_end, ResultIter r_begin) {
K.L2T(L, center, t_begin, t_end, r_begin);
}
inline static
typename std::enable_if<ExpansionTraits<Expansion>::has_scalar_L2T &
!ExpansionTraits<Expansion>::has_vector_L2T>::type
apply(const Expansion& K,
const typename Expansion::local_type& L,
const typename Expansion::point_type& center,
const typename Expansion::target_type& target,
typename Expansion::result_type& result) {
K.L2T(L, center, target, result);
}
