org.datanucleus.query.evaluator.memory

Class ArcTangentFunctionEvaluator

java.lang.Object

org.datanucleus.query.evaluator.memory.MathFunctionEvaluator

org.datanucleus.query.evaluator.memory.ArcTangentFunctionEvaluator

All Implemented Interfaces:

InvocationEvaluator

public class ArcTangentFunctionEvaluator
extends MathFunctionEvaluator

Evaluator for the function ATAN(numExpr).

Field Summary

Fields inherited from class org.datanucleus.query.evaluator.memory.MathFunctionEvaluator

LOCALISER

Constructor Summary

Constructors

Constructor and Description
ArcTangentFunctionEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
protected double	evaluateMathFunction(double num)
protected String	getFunctionName()

Methods inherited from class org.datanucleus.query.evaluator.memory.MathFunctionEvaluator

evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

ArcTangentFunctionEvaluator

public ArcTangentFunctionEvaluator()

Method Detail

getFunctionName

protected String getFunctionName()

Specified by:

getFunctionName in class MathFunctionEvaluator

evaluateMathFunction

protected double evaluateMathFunction(double num)

Specified by:

evaluateMathFunction in class MathFunctionEvaluator