SquareRoot (Jep with extensions API )

java.lang.Object
- com.singularsys.jep.functions.PostfixMathCommand
- - com.singularsys.jep.functions.UnaryFunction
  - - com.singularsys.jep.functions.SquareRoot

All Implemented Interfaces:

PostfixMathCommandI, RealUnaryFunction, java.io.Serializable
```
public class SquareRoot
extends UnaryFunction
implements RealUnaryFunction
```
Square root function. Positive Number arguments returns double results. Negative Number arguments return Complex results by default or Double.NaN if the strict flag is set in constructor. Complex arguments return Complex results.

See Also:

Serialized Form

Field Summary
- Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
  curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

Constructors
Constructor	Description
`SquareRoot()`	Standard constructor, Complex results for negative Number arguments.
`SquareRoot(boolean strict)`	Controls behaviour for negative real arguments.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`eval(java.lang.Object arg)`
`double`	`evaluate(double val)`
`java.lang.Object`	`sqrt(java.lang.Object x)`	Calculates the square root of the parameter.

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
  - SquareRoot
```
public SquareRoot()
```
    Standard constructor, Complex results for negative Number arguments.
  - SquareRoot
```
public SquareRoot(boolean strict)
```
    Controls behaviour for negative real arguments.
    
    Parameters:
    
    strict - true then returns NaN for negative real arguments, false to return complex results for negative real arguments.
- Method Detail
  - eval
```
public java.lang.Object eval(java.lang.Object arg)
                      throws EvaluationException
```
    Specified by:
    
    eval in class UnaryFunction
    
    Throws:
    
    EvaluationException
  - sqrt
```
public java.lang.Object sqrt(java.lang.Object x)
                      throws EvaluationException
```
    Calculates the square root of the parameter. The parameter must either be of type Double or Complex.
    
    Parameters:
    
    x - value
    
    Returns:
    
    The square root of the parameter.
    
    Throws:
    
    EvaluationException - if the calculation cannot be performed
  - evaluate
```
public double evaluate(double val)
```
    Specified by:
    
    evaluate in interface RealUnaryFunction