org.apache.hadoop.hive.ql.udf.generic
Class RoundUtils

java.lang.Object
  org.apache.hadoop.hive.ql.udf.generic.RoundUtils

public class RoundUtils
extends Object

Utility class for generic round UDF.

Method Summary

static double	round(double input, int scale) Rounding a double is approximate, as the double value itself is approximate.
static HiveDecimal	round(HiveDecimal input, int scale)
static long	round(long input, int scale)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

round

public static double round(double input,
                           int scale)

Rounding a double is approximate, as the double value itself is approximate. A double literal, such as 3.15, may not be represented internally exactly as 3.15. thus, the rounding value of it can be off on the surface. For accurate rounding, consider using decimal type.

Parameters:

input - input value

scale - decimal place

Returns:

rounded value

round

public static long round(long input,
                         int scale)

round

public static HiveDecimal round(HiveDecimal input,
                                int scale)