floatspan_round_set numset_shift_scale numspan_expand numspan_shift_scale numspanset_shift_scale set_compact span_expand spanset_compact

numspan_expand() Span * numspan_expand ( const Span *  s, Datum  value  ) Return a number span with its bounds expanded/decreased by a value. Parameters [in] s Span [in] value Value @csqlfn Numspan_expand() Note This function can be seen as a 1-dimensional version of the PostGIS function ST_Buffer