com.singularsys.jep.functions
Class BinaryFunction

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

All Implemented Interfaces:

PostfixMathCommandI, java.io.Serializable

Direct Known Subclasses:

ArcTangent2, BigDecDiv, BigDecMod, BigDecPow, BigDecRelational, BigDecSub, Binomial, Comparative, ComplexPFMC, Cross, Divide, Dot, Left, Logical, LogTwoArg, Modulus, NullWrapperBinary, Polar, Power, Remainder, Right, Subtract

public abstract class BinaryFunction
extends PostfixMathCommand

Convenient base class for binary functions. Defines an Object eval(Object l,Object r) 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

BinaryFunction()

Method Summary

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

BinaryFunction

public BinaryFunction()

Method Detail

run

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

Calls eval(Object, Object)

Throws:

EvaluationException

eval

public abstract java.lang.Object eval(java.lang.Object l,
                                      java.lang.Object r)
                               throws EvaluationException

Throws:

EvaluationException