ZeroIterator      766 modules/flann/include/opencv2/flann/dist.h     const ZeroIterator<T>& operator ++()
ZeroIterator      771 modules/flann/include/opencv2/flann/dist.h     ZeroIterator<T> operator ++(int)
ZeroIterator      776 modules/flann/include/opencv2/flann/dist.h     ZeroIterator<T>& operator+=(int)
ZeroIterator      681 modules/flann/include/opencv2/flann/kmeans_index.h             variance += distance_(vec, ZeroIterator<ElementType>(), veclen_);
ZeroIterator      687 modules/flann/include/opencv2/flann/kmeans_index.h         variance -= distance_(mean, ZeroIterator<ElementType>(), veclen_);
ZeroIterator      854 modules/flann/include/opencv2/flann/kmeans_index.h                     DistanceType d = distance_(dataset_[indices[i]], ZeroIterator<ElementType>(), veclen_);
ZeroIterator      864 modules/flann/include/opencv2/flann/kmeans_index.h             variance -= distance_(centers[c], ZeroIterator<ElementType>(), veclen_);