Function need_normalization_op

tools/include/operation.hpp:406–410

template <class T>
auto need_normalization_op(const T& x)
    -> decltype(need_normalization_op(rank<1>{}, x, std::declval<std::vector<shape>>()))
{
    return {};
}

template <class T>
std::vector<std::size_t> output_alias_op(const T&, const std::vector<shape>&)