com.singularsys.jep.functions
Class ArcTanH

java.lang.Object
  extended by com.singularsys.jep.functions.PostfixMathCommand
      extended by com.singularsys.jep.functions.ArcTanH
All Implemented Interfaces:
PostfixMathCommandI, RealUnaryFunction, java.io.Serializable

public class ArcTanH
extends PostfixMathCommand
implements RealUnaryFunction

Implements the arcTanH function.

Since:
2.3.0 beta 2 - Now returns Double result rather than Complex for -1
Author:
Nathan Funk
See Also:
Serialized Form

Field Summary
 
Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
curNumberOfParameters, numberOfParameters
 
Constructor Summary
ArcTanH()
           
 
Method Summary
 java.lang.Object atanh(java.lang.Object param)
           
 double evaluate(double val)
           
 void run(java.util.Stack<java.lang.Object> inStack)
          Run the function on the stack.
 
Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand
checkNumberOfParameters, checkStack, getNumberOfParameters, setCurNumberOfParameters
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ArcTanH

public ArcTanH()
Method Detail

run

public void run(java.util.Stack<java.lang.Object> inStack)
         throws EvaluationException
Description copied from interface: PostfixMathCommandI
Run the function on the stack. Pops the arguments from the stack, and pushes the result on the top of the stack.

Specified by:
run in interface PostfixMathCommandI
Throws:
EvaluationException

atanh

public java.lang.Object atanh(java.lang.Object param)
                       throws EvaluationException
Throws:
EvaluationException

evaluate

public double evaluate(double val)
Specified by:
evaluate in interface RealUnaryFunction


Copyright © 2007 Singular Systems http://www.singularsys.com/jep