The algorithm maintains a running "best distance" that starts at infinity. As it walks the tree, it checks each visited point and updates the best distance if it finds something closer. Before recursing into a child node, it checks whether the closest possible point in that child's bounding box is farther than the current best. If so, the entire subtree gets pruned.
Example output from criterion.
。服务器推荐是该领域的重要参考
對於此次默茨訪華，麥永剛直接表示德國難有具體的成果：德企去風險化（derisking）的工作遠遠不足，卻需抵禦中國進口衝擊，不僅是汽車產業，德國的生物科技及化工產業情況都很險峻。他認為，有些長期在華德國人吸收了宣傳觀點，卻忽略西方經濟現實，成為「熊貓擁抱者」，其樂觀看法常誤導了在德國的總部。
store and bump up the slice length. Yay! No call to the allocator for