Package edu.tufts.hrilab.action.operators

Class Arithmetic

java.lang.Object

edu.tufts.hrilab.action.operators.Arithmetic

public final class Arithmetic
extends Object

Constructor Summary

Constructors

Constructor	Description
Arithmetic()

Method Summary

Modifier and Type	Method	Description
static double	add(Number a, Number b)	The assign operator as implemented here doesn't work well for uninitialized arguments (null) as there's no way to make sure that the value we return is of the correct type.
static int	decrement(int n)
static double	divide(Number a, Number b)
static int	increment(int n)
static double	modulus(Number a, Number b)
static double	multiply(Number a, Number b)
static long	round(Number a)
static double	subtract(Number a, Number b)

Methods inherited from class java.lang.Object

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

Constructor Details

Arithmetic

public Arithmetic()

Method Details

add

public static double add(Number a,
 Number b)

The assign operator as implemented here doesn't work well for uninitialized arguments (null) as there's no way to make sure that the value we return is of the correct type. Example, this method will assign (string) "3" to an integer ActionBinding this is currently null...

increment

public static int increment(int n)

subtract

public static double subtract(Number a,
 Number b)

decrement

public static int decrement(int n)

multiply

public static double multiply(Number a,
 Number b)

divide

public static double divide(Number a,
 Number b)

modulus

public static double modulus(Number a,
 Number b)

round

public static long round(Number a)