com.singularsys.jep.misc.functions
Class ConstantFunction

java.lang.Object
  com.singularsys.jep.functions.PostfixMathCommand
      com.singularsys.jep.functions.NaryFunction
          com.singularsys.jep.misc.functions.ConstantFunction

All Implemented Interfaces:

PostfixMathCommandI, java.io.Serializable

public class ConstantFunction
extends NaryFunction

Functions which always return a constant value.

Author:

Richard Morris

See Also:

Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

ConstantFunction(java.lang.Object value)

Method Summary

java.lang.Object	eval(java.lang.Object[] args) Evaluate the function
java.lang.Object	getValue()

Methods inherited from class com.singularsys.jep.functions.NaryFunction

run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, 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

ConstantFunction

public ConstantFunction(java.lang.Object value)

Parameters:

value - the value returned by the function

Method Detail

eval

public java.lang.Object eval(java.lang.Object[] args)
                      throws EvaluationException

Description copied from class: NaryFunction

Evaluate the function

Specified by:

eval in class NaryFunction

Parameters:

args - arguments to the function

Returns:

value returned by the function

Throws:

EvaluationException

getValue

public java.lang.Object getValue()