nars.storage
Class Distributor

java.lang.Object
  nars.storage.Distributor

 class Distributor
extends java.lang.Object

A pseudo-random number generator, used in Bag.

Field Summary

private int	capacity Capacity of the array
private int[]	order Shuffled sequence of index numbers

Constructor Summary

Distributor(int range)
For any number N < range, there is N+1 copies of it in the array, distributed as evenly as possible

Method Summary

int	next(int index) Advance the index
int	pick(int index) Get the next number according to the given index

Methods inherited from class java.lang.Object

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

Field Detail

order

private int[] order

Shuffled sequence of index numbers

capacity

private int capacity

Capacity of the array

Constructor Detail

Distributor

public Distributor(int range)

For any number N < range, there is N+1 copies of it in the array, distributed as evenly as possible

Parameters:

range - Range of valid numbers

Method Detail

pick

public int pick(int index)

Get the next number according to the given index

Parameters:

index - The current index

Returns:

the random value

next

public int next(int index)

Advance the index

Parameters:

index - The current index

Returns:

the next index