com.rychlik.calculator

Class StackMachine.BinaryMathFunction

java.lang.Object

com.rychlik.calculator.StackMachine.MathFunction

com.rychlik.calculator.StackMachine.BinaryMathFunction

All Implemented Interfaces:

StackMachine.Instruction, java.io.Serializable

Direct Known Subclasses:

StackMachine.Add, StackMachine.And, StackMachine.Div, StackMachine.Eq, StackMachine.Ge, StackMachine.Gt, StackMachine.Le, StackMachine.Lt, StackMachine.Max, StackMachine.Min, StackMachine.Mul, StackMachine.Ne, StackMachine.Or, StackMachine.Pow, StackMachine.Sub

Enclosing class:

StackMachine

public abstract class StackMachine.BinaryMathFunction
extends StackMachine.MathFunction

Describe class BinaryMathFunction here.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StackMachine.BinaryMathFunction()

Method Summary

Methods

Modifier and Type	Method and Description
int	arity() Describe arity method here.
abstract double	eval(double x, double y) Describe eval method here.
void	execute() Describe execute method here.

Methods inherited from class com.rychlik.calculator.StackMachine.MathFunction

getName, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StackMachine.BinaryMathFunction

public StackMachine.BinaryMathFunction()

Method Detail

arity

public int arity()

Describe arity method here.

Returns:

an int value

execute

public void execute()
             throws ParseException

Describe execute method here.

Throws:

ParseException - if an error occurs

eval

public abstract double eval(double x,
          double y)

Describe eval method here.

Parameters:

x - a double value

y - a double value

Returns:

a double value