com.singularsys.jep.functions
Class MinMax

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

public class MinMax
extends PostfixMathCommand

Minimum and Maximum functions. Initialize with true for minimum and false for maximum.

This class is very similar to Average, so when making changes, also consider changing Average.

Since:
3.1.0
See Also:
Serialized Form

Field Summary
 
Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
curNumberOfParameters, name, NaN, numberOfParameters
 
Constructor Summary
MinMax(boolean isMin)
          Constructor.
 
Method Summary
 boolean checkNumberOfParameters(int n)
          Must have one or more parameter
 java.lang.Object minmax(java.util.Vector<java.lang.Object> vals)
           
 void run(java.util.Stack<java.lang.Object> stack)
          Run the function on the stack.
 
Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand
asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkStack, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MinMax

public MinMax(boolean isMin)
Constructor.

Parameters:
isMin - set to true for Minimum, false for Maximum
Method Detail

checkNumberOfParameters

public boolean checkNumberOfParameters(int n)
Must have one or more parameter

Specified by:
checkNumberOfParameters in interface PostfixMathCommandI
Overrides:
checkNumberOfParameters in class PostfixMathCommand
Parameters:
n - number of parameters function will be called with.
Returns:
false if an illegal number of parameters is supplied, true otherwise.

run

public void run(java.util.Stack<java.lang.Object> stack)
         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.

Throws:
EvaluationException

minmax

public java.lang.Object minmax(java.util.Vector<java.lang.Object> vals)
                        throws EvaluationException
Throws:
EvaluationException


Copyright © 2008 Singular Systems http://www.singularsys.com/jep