Class LOG

  extended by org.apache.pig.EvalFunc<Double>
      extended by org.apache.pig.builtin.Base
          extended by org.apache.pig.builtin.DoubleBase
              extended by 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
Method Summary
Methods inherited from class org.apache.pig.builtin.DoubleBase
exec, getArgToFuncMapping
Methods inherited from class org.apache.pig.builtin.Base
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


public LOG()

Copyright © 2007-2012 The Apache Software Foundation