org.apache.pig.piggybank.evaluation.math

Class RINT

java.lang.Object

org.apache.pig.EvalFunc<java.lang.Double>

org.apache.pig.piggybank.evaluation.math.Base

org.apache.pig.piggybank.evaluation.math.DoubleBase

org.apache.pig.piggybank.evaluation.math.RINT

public class RINT
extends DoubleBase

math.RINT implements a binding to the Java function Math.rint(double). Given a single data atom it Returns the double value that is closest in value to the argument and is equal to a mathematical integer.

Parameters:

value - Double.

Return Value:

Double

Return Schema:

RINT_inputSchema

Example:

register math.jar;
A = load 'mydata' using PigStorage() as ( float1 );
B = foreach A generate float1, math.RINT(float1);

Author:

ajay garg

See Also:

Math.rint(double),

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
RINT()

Method Summary

Methods inherited from class org.apache.pig.piggybank.evaluation.math.DoubleBase

exec, getArgToFuncMapping

Methods inherited from class org.apache.pig.piggybank.evaluation.math.Base

outputSchema

Methods inherited from class org.apache.pig.EvalFunc

allowCompileTimeCalculation, finish, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, progress, 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

RINT

public RINT()