org.apache.pig.builtin
Class LOG

java.lang.Object
  org.apache.pig.EvalFunc<Double>
      org.apache.pig.builtin.Base
          org.apache.pig.builtin.DoubleBase
              org.apache.pig.builtin.LOG

public class LOG
extends DoubleBase

LOG implements a binding to the Java function Math.log(double). Given a single data atom it returns the natural logarithm (base e) of a double

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

LOG()

Method Summary

Methods inherited from class org.apache.pig.builtin.DoubleBase

exec, getArgToFuncMapping

Methods inherited from class org.apache.pig.builtin.Base

outputSchema

Methods inherited from class org.apache.pig.EvalFunc

finish, getCacheFiles, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, progress, setPigLogger, setReporter, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

LOG

public LOG()