SignFunction (DataNucleus Core 6.0.1-SNAPSHOT API)

java.lang.Object
- org.datanucleus.store.query.inmemory.method.MathFunction
- - org.datanucleus.store.query.inmemory.method.SignFunction

All Implemented Interfaces:

InvocationEvaluator
```
public class SignFunction
extends MathFunction
```
Evaluator for the function SIGN(numExpr).

- Constructor Summary
  
  Constructors
  Constructor Description
  
  SignFunction()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected double evaluateMathFunction(double num)
  
  protected String getFunctionName()
  - Methods inherited from class org.datanucleus.store.query.inmemory.method.MathFunction
    evaluate, evaluateMathFunction, getParamValueForParam
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SignFunction
```
public SignFunction()
```
- Method Detail
  - getFunctionName
```
protected String getFunctionName()
```
    Specified by:
    
    getFunctionName in class MathFunction
  - evaluateMathFunction
```
protected double evaluateMathFunction(double num)
```
    Specified by:
    
    evaluateMathFunction in class MathFunction