ij.util

Class FloatArray

java.lang.Object

ij.util.FloatArray

public class FloatArray
extends java.lang.Object

This class implements an expandable float array similar to an ArrayList or Vector but more efficient. Calls to this class are not synchronized.

Author:

Michael Schmid

Constructor Summary

Constructors

Constructor and Description
FloatArray() Creates a new expandable array with an initial capacity of 100.
FloatArray(int initialCapacity) Creates a new expandable array with specified initial capacity.

Method Summary

Modifier and Type	Method and Description
int	add(float value) Appends the specified value to the end of this expandable array.
float	get(int index) Returns the element at the specified position in this expandable array.
float	set(int index, float value) Replaces the element at the specified position with the value.
int	size() Returns the number of elements in the array.
float[]	toArray() Returns a float array containing all elements of this expandable array.
void	trimToSize() Trims the capacity of this FloatArray instance to be its current size, minimizing the storage of the FloatArray instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

FloatArray

public FloatArray()

Creates a new expandable array with an initial capacity of 100.

FloatArray

public FloatArray(int initialCapacity)

Creates a new expandable array with specified initial capacity.

Throws:

java.lang.IllegalArgumentException - if the specified initial capacity is less than zero

Method Detail

size

public int size()

Returns the number of elements in the array.

toArray

public float[] toArray()

Returns a float array containing all elements of this expandable array.

get

public float get(int index)

Returns the element at the specified position in this expandable array.

Throws:

java.lang.IndexOutOfBoundsException - - if index is out of range (index < 0 || index >= size()).

set

public float set(int index,
                 float value)

Replaces the element at the specified position with the value.

Returns:

the value previously at the specified position.

Throws:

- - if index is out of range (index < 0 || index >= size()).

add

public int add(float value)

Appends the specified value to the end of this expandable array. Returns the number of elements after adding.

trimToSize

public void trimToSize()

Trims the capacity of this FloatArray instance to be its current size, minimizing the storage of the FloatArray instance.