◆ circ_tree_distance_tree_internal()

double circ_tree_distance_tree_internal	(	const CIRC_NODE *	n1,
		const CIRC_NODE *	n2,
		double	threshold,
		double *	min_dist,
		double *	max_dist,
		GEOGRAPHIC_POINT *	closest1,
		GEOGRAPHIC_POINT *	closest2
	)