mikera.vectorz.util

Class IntArrays

java.lang.Object

mikera.vectorz.util.IntArrays

public class IntArrays
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int[]	EMPTY_INT_ARRAY

Constructor Summary

Constructors

Constructor and Description
IntArrays()

Method Summary

Methods

Modifier and Type	Method and Description
static long	arrayProduct(int[] vs)
static long	arrayProduct(int[] vs, int from, int to)
static int[]	calcStrides(int[] shape) Computes the standard packed array strides for a given shape.
static int[]	consArray(int a, int[] as)
static long[]	copyIntsToLongs(int[] src)
static long[]	copyIntsToLongs(int[] src, long[] dst)
static int[]	copyOf(int[] data)
static int[]	create(double[] ls)
static int[]	create(List<?> ls)
static int[]	create(Object o)
static int[]	decrementAll(int[] xs)
static int	dotProduct(int[] xs, int[] ys)
static boolean	equals(int[] as, int[] bs) Tests if two int array scontain equal values.
static int[]	incrementAll(int[] xs)
static int[]	of(int... ints)
static int[]	rand(int[] shape) Creates a randomised int[] array, each element in the range [0..max) where max is the corresponding element in the shape array
static int[]	rand(int[] shape, Random r)
static int[]	removeIndex(int[] data, int index)
static int[]	reverse(int[] data)
static void	swap(int[] inds, int a, int b)

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_INT_ARRAY

public static final int[] EMPTY_INT_ARRAY

Constructor Detail

IntArrays

public IntArrays()

Method Detail

of

public static int[] of(int... ints)

create

public static int[] create(Object o)

create

public static int[] create(double[] ls)

create

public static int[] create(List<?> ls)

removeIndex

public static int[] removeIndex(int[] data,
                int index)

reverse

public static int[] reverse(int[] data)

consArray

public static int[] consArray(int a,
              int[] as)

copyIntsToLongs

public static long[] copyIntsToLongs(int[] src,
                     long[] dst)

copyIntsToLongs

public static long[] copyIntsToLongs(int[] src)

arrayProduct

public static long arrayProduct(int[] vs)

arrayProduct

public static long arrayProduct(int[] vs,
                int from,
                int to)

calcStrides

public static final int[] calcStrides(int[] shape)

Computes the standard packed array strides for a given shape.

Parameters:

shape -

Returns:

equals

public static boolean equals(int[] as,
             int[] bs)

Tests if two int array scontain equal values.

Parameters:

as -

bs -

Returns:

rand

public static int[] rand(int[] shape)

Creates a randomised int[] array, each element in the range [0..max) where max is the corresponding element in the shape array

Parameters:

shape -

Returns:

rand

public static int[] rand(int[] shape,
         Random r)

dotProduct

public static int dotProduct(int[] xs,
             int[] ys)

decrementAll

public static int[] decrementAll(int[] xs)

incrementAll

public static int[] incrementAll(int[] xs)

swap

public static void swap(int[] inds,
        int a,
        int b)

copyOf

public static final int[] copyOf(int[] data)