Signum (Apache Commons Math 4.0-SNAPSHOT)

java.lang.Object
- org.apache.commons.math4.legacy.analysis.function.Signum

All Implemented Interfaces:

DoubleUnaryOperator, UnivariateFunction
```
public class Signum
extends Object
implements UnivariateFunction
```
signum function.

Since:

3.0

- Constructor Summary
  
  Constructors
  Constructor Description
  
  Signum()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  double value(double x)
  Compute the value of the function.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface java.util.function.DoubleUnaryOperator
    andThen, compose
  - Methods inherited from interface org.apache.commons.math4.legacy.analysis.UnivariateFunction
    applyAsDouble

- Constructor Detail
  - Signum
```
public Signum()
```
- Method Detail
  - value
```
public double value(double x)
```
    Compute the value of the function.
    
    Specified by:
    
    value in interface UnivariateFunction
    
    Parameters:
    
    x - Point at which the function value should be computed.
    
    Returns:
    
    the value of the function.