IsNaN (Jep with extensions API )

java.lang.Object
- com.singularsys.jep.functions.PostfixMathCommand
- - com.singularsys.jep.functions.UnaryFunction
  - - com.singularsys.jep.misc.functions.IsNaN

All Implemented Interfaces:

PostfixMathCommandI, java.io.Serializable
```
public class IsNaN
extends UnaryFunction
```
Tests if a double value is NaN. The result is true if the argument is a Double NaN, false otherwise.

Author:

Richard Morris

See Also:

Serialized Form

- Field Summary
  - Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
    curNumberOfParameters, name, NaN, numberOfParameters
- Constructor Summary
  
  Constructors
  Constructor Description
  
  IsNaN()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  java.lang.Object eval(java.lang.Object arg)
  - Methods inherited from class com.singularsys.jep.functions.UnaryFunction
    instanceOf, instanceOf, run
  - Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand
    asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString, toString
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail
- IsNaN
```
public IsNaN()
```

Method Detail

eval

public java.lang.Object eval(java.lang.Object arg)
                      throws EvaluationException

Specified by:: eval in class UnaryFunction
Throws:: EvaluationException