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.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pig.EvalFunc

EvalFunc.SchemaType

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

Constructors

Constructor and Description
ATAN()

Method Summary

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

exec, getArgToFuncMapping

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

allowCompileTimeCalculation, outputSchema

Methods inherited from class org.apache.pig.EvalFunc

finish, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

ATAN

public ATAN()