smile.util

Class IntSet

java.lang.Object

smile.util.IntSet

All Implemented Interfaces:

java.io.Serializable

public class IntSet
extends java.lang.Object
implements java.io.Serializable

A set of integers.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<java.lang.Integer,java.lang.Integer>	index Map of values to index.
int	max The maximum of values.
int	min The minimum of values.
int[]	values Map of index to original values.

Constructor Summary

Constructors

Constructor and Description
IntSet(int[] values) Constructor.

Method Summary

Modifier and Type	Method and Description
int	indexOf(int x) Maps the value to index.
static IntSet	of(int k) Returns an IntSet of [0, k).
static IntSet	of(int[] y) Finds the unique values from samples.
int	size() Returns the number of values.
int	valueOf(int index) Maps an index to the corresponding value.

Methods inherited from class java.lang.Object

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

Field Detail

values

public final int[] values

Map of index to original values.

index

protected final java.util.Map<java.lang.Integer,java.lang.Integer> index

Map of values to index.

min

public final int min

The minimum of values.

max

public final int max

The maximum of values.

Constructor Detail

IntSet

public IntSet(int[] values)

Constructor.

Parameters:

values - the unique values.

Method Detail

size

public int size()

Returns the number of values.

valueOf

public int valueOf(int index)

Maps an index to the corresponding value.

Parameters:

index - the index.

Returns:

the value.

indexOf

public int indexOf(int x)

Maps the value to index.

of

public static IntSet of(int k)

Returns an IntSet of [0, k).

Parameters:

k - the number of unique values.

of

public static IntSet of(int[] y)

Finds the unique values from samples.