com.rychlik.calculator

Class StackMachine.Sgn

java.lang.Object

com.rychlik.calculator.StackMachine.MathFunction

com.rychlik.calculator.StackMachine.UnaryMathFunction

com.rychlik.calculator.StackMachine.Sgn

All Implemented Interfaces:

StackMachine.Instruction, java.io.Serializable

Enclosing class:

StackMachine

public class StackMachine.Sgn
extends StackMachine.UnaryMathFunction

Describe class Sgn here.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Sgn()

Method Summary

Modifier and Type	Method and Description
double	eval(double x) Describe eval method here.
java.lang.String	getName() Describe getName method here.

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

arity, execute

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

write

Methods inherited from class java.lang.Object

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

Constructor Detail

Sgn

public Sgn()

Method Detail

eval

public double eval(double x)

Describe eval method here.

Specified by:

eval in class StackMachine.UnaryMathFunction

Parameters:

x - a double value

Returns:

a double value

getName

public java.lang.String getName()

Describe getName method here.

Specified by:

getName in class StackMachine.MathFunction

Returns:

a String value