distance_set_set distance_set_value distance_span_span distance_span_value distance_spanset_span distance_spanset_spanset distance_spanset_value distance_value_value

distance_set_set() Datum distance_set_set ( const Set *  s1, const Set *  s2  ) Return the distance between two sets. Parameters [in] s1,s2 Sets Returns On error return -1.0 @csqlfn Distance_set_set()