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_spanset_span() Datum distance_spanset_span ( const SpanSet *  ss, const Span *  s  ) Return the distance between a span set and a span. Parameters [in] ss Span set [in] s Span Returns On error return -1.0 @csqlfn Distance_spanset_span()