com.singularsys.jep.functions
Class ArcTangent2

java.lang.Object
  extended by com.singularsys.jep.functions.PostfixMathCommand
      extended by com.singularsys.jep.functions.ArcTangent2
All Implemented Interfaces:
PostfixMathCommandI, RealBinaryFunction, java.io.Serializable

public class ArcTangent2
extends PostfixMathCommand
implements RealBinaryFunction

atan2(y, x) Returns the angle whose tangent is y/x.

Author:
nathan
See Also:
Serialized Form

Field Summary
 
Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
curNumberOfParameters, numberOfParameters
 
Constructor Summary
ArcTangent2()
           
 
Method Summary
 double evaluate(double l, double r)
           
 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

ArcTangent2

public ArcTangent2()
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

evaluate

public double evaluate(double l,
                       double r)
Specified by:
evaluate in interface RealBinaryFunction


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