com.singularsys.jep.functions
Class UnaryFunction

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

All Implemented Interfaces:

PostfixMathCommandI, java.io.Serializable

Direct Known Subclasses:

Abs, ArcCosine, ArcCosineH, ArcSine, ArcSineH, ArcTangent, ArcTanH, Arg, BigDecNegate, Ceil, Conjugate, Cosecant, Cosine, CosineH, Cotangent, Exp, Floor, Identity, Imaginary, IsInfinite, IsNaN, IsNull, IsType, Length, Logarithm, LogBase2, LowerCase, NaturalLogarithm, Not, NullWrapperUnary, Secant, Signum, Sine, SineH, SquareRoot, StrictNaturalLogarithm, Tangent, TanH, Trim, UMinus, UpperCase

public abstract class UnaryFunction
extends PostfixMathCommand

Convenient base class for unary functions. Defines an Object eval(Object arg) method for calculating the result.

Author:

Richard Morris

See Also:

Serialized Form

Field Summary

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

curNumberOfParameters, name, NaN, numberOfParameters

Constructor Summary

UnaryFunction()

Method Summary

abstract java.lang.Object	eval(java.lang.Object arg)
void	run(java.util.Stack<java.lang.Object> stack) Calls eval(Object)

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

UnaryFunction

public UnaryFunction()

Method Detail

run

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

Calls eval(Object)

Throws:

EvaluationException

eval

public abstract java.lang.Object eval(java.lang.Object arg)
                               throws EvaluationException

Throws:

EvaluationException