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gnu.math
Class Dimensions

java.lang.Object
  |
  +--gnu.math.Dimensions

public class Dimensions

extends java.lang.Object

A Dimensions object represents the product or ratio of BaseUnits. The idea is that in order to add two Quantities (such as 3mm + 5cm) their Dimensions have to match. Equal dimensions are also ==.

Field Summary

static Dimensions

Empty The empty Dimensions that pure numbers have.

Method Summary

int	getPower(BaseUnit unit) Get the exponent for a BaseUnit in this Dimesnions object.
int	hashCode()
static Dimensions	product(Dimensions a, int mul_a, Dimensions b, int mul_b)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

Empty

public static Dimensions Empty

The empty Dimensions that pure numbers have.

Method Detail

hashCode

public final int hashCode()

Overrides:

hashCode in class java.lang.Object

product

public static Dimensions product(Dimensions a,
                                 int mul_a,
                                 Dimensions b,
                                 int mul_b)

getPower

public int getPower(BaseUnit unit)

Get the exponent for a BaseUnit in this Dimesnions object.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object