org.apache.pig.builtin
Class ATAN

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

public class ATAN
extends DoubleBase

ATAN implements a binding to the Java function Math.atan(double) for computing the arc tangent of value of the argument. The returned value will be a double which is the arc tangent of the value of input.

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

ATAN()

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

ATAN

public ATAN()