org.apache.hadoop.hive.ql.udf
Class UDFLn

java.lang.Object
  org.apache.hadoop.hive.ql.exec.UDF
      org.apache.hadoop.hive.ql.udf.UDFMath
          org.apache.hadoop.hive.ql.udf.UDFLn

public class UDFLn
extends UDFMath

UDFLn.

Constructor Summary

UDFLn()

Method Summary

DoubleWritable

evaluate(DoubleWritable a) Returns the natural logarithm of "a".

Methods inherited from class org.apache.hadoop.hive.ql.udf.UDFMath

evaluate

Methods inherited from class org.apache.hadoop.hive.ql.exec.UDF

getRequiredFiles, getRequiredJars, getResolver, setResolver

Methods inherited from class java.lang.Object

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

Constructor Detail

UDFLn

public UDFLn()

Method Detail

evaluate

public DoubleWritable evaluate(DoubleWritable a)

Returns the natural logarithm of "a".

Specified by:

evaluate in class UDFMath