marytts.util.math

Class ArrayUtils

java.lang.Object

marytts.util.math.ArrayUtils

public class ArrayUtils
extends Object

A collection of static helper functions for dealing with arrays.

Author:

Marc Schröder

Constructor Summary

Constructors

Constructor and Description
ArrayUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static int[]	appendToEnd(int[] array, int val)
static int[]	appendToStart(int[] array, int val)
static double[]	combine(double[] x, double[] y) Deprecated. use ArrayUtils.addAll(java.lang.Object[], java.lang.Object[]) instead
static float[]	combine(float[] x, float[] y) Deprecated. use ArrayUtils.addAll(java.lang.Object[], java.lang.Object[]) instead
static byte[]	copy(byte[] orig) Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead
static char[]	copy(char[] orig) Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead
static ComplexNumber[]	copy(ComplexNumber[] orig)
static double[]	copy(double[] orig) Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead
static float[]	copy(float[] orig) Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead
static int[]	copy(int[] orig) Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead
static short[]	copy(short[] orig) Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead
static double[]	copyByte2Double(byte[] orig)
static float[]	copyByte2Float(byte[] orig)
static double[]	copyChar2Double(char[] orig)
static float[]	copyChar2Float(char[] orig)
static byte[]	copyDouble2Byte(double[] orig)
static char[]	copyDouble2Char(double[] orig)
static float[]	copyDouble2Float(double[] orig)
static short[]	copyDouble2Short(double[] orig)
static byte[]	copyFloat2Byte(float[] orig)
static char[]	copyFloat2Char(float[] orig)
static double[]	copyFloat2Double(float[] orig)
static short[]	copyFloat2Short(float[] orig)
static double[]	copyShort2Double(short[] orig)
static float[]	copyShort2Float(short[] orig)
static boolean	isOneOf(int[] array, int val)
static boolean	isZero(double[] array)
static boolean	isZero(float[] array)
static byte[]	subarray(byte[] orig, int off, int len)
static char[]	subarray(char[] orig, int off, int len)
static double[]	subarray(double[] orig, int off, int len)
static float[]	subarray(float[] orig, int off, int len)
static int[]	subarray(int[] orig, int off, int len)
static short[]	subarray(short[] orig, int off, int len)
static double[]	subarrayByte2Double(byte[] orig, int off, int len)
static float[]	subarrayByte2Float(byte[] orig, int off, int len)
static double[]	subarrayChar2Double(char[] orig, int off, int len)
static float[]	subarrayChar2Float(char[] orig, int off, int len)
static byte[]	subarrayDouble2Byte(double[] orig, int off, int len)
static char[]	subarrayDouble2Char(double[] orig, int off, int len)
static float[]	subarrayDouble2Float(double[] orig, int off, int len)
static short[]	subarrayDouble2Short(double[] orig, int off, int len)
static byte[]	subarrayFloat2Byte(float[] orig, int off, int len)
static char[]	subarrayFloat2Char(float[] orig, int off, int len)
static double[]	subarrayFloat2Double(float[] orig, int off, int len)
static short[]	subarrayFloat2Short(float[] orig, int off, int len)
static double[]	subarrayShort2Double(short[] orig, int off, int len)
static float[]	subarrayShort2Float(short[] orig, int off, int len)

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayUtils

public ArrayUtils()

Method Detail

copy

public static double[] copy(double[] orig)

Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead

Parameters:

orig - orig

Returns:

subarray(orig, 0, orig.length) if orig != null, null otherwise

copy

public static byte[] copy(byte[] orig)

Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead

Parameters:

orig - orig

Returns:

subarray(orig, 0, orig.length) if orig != null, null otherwise

copy

public static short[] copy(short[] orig)

Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead

Parameters:

orig - orig

Returns:

subarray(orig, 0, orig.length) if orig != null, null otherwise

copy

public static float[] copy(float[] orig)

Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead

Parameters:

orig - orig

Returns:

subarray(orig, 0, orig.length) if orig != null, null otherwise

copy

public static char[] copy(char[] orig)

Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead

Parameters:

orig - orig

Returns:

subarray(orig, 0, orig.length) if orig != null, null otherwise

copy

public static int[] copy(int[] orig)

Deprecated. use ArrayUtils.clone(java.lang.Object[]) instead

Parameters:

orig - orig

Returns:

subarray(orig, 0, orig.length) if orig != null, null otherwise

copyFloat2Double

public static double[] copyFloat2Double(float[] orig)

copyFloat2Short

public static short[] copyFloat2Short(float[] orig)

copyShort2Double

public static double[] copyShort2Double(short[] orig)

copyShort2Float

public static float[] copyShort2Float(short[] orig)

copyDouble2Float

public static float[] copyDouble2Float(double[] orig)

copyChar2Float

public static float[] copyChar2Float(char[] orig)

copyChar2Double

public static double[] copyChar2Double(char[] orig)

copyByte2Float

public static float[] copyByte2Float(byte[] orig)

copyByte2Double

public static double[] copyByte2Double(byte[] orig)

copyDouble2Short

public static short[] copyDouble2Short(double[] orig)

copyDouble2Char

public static char[] copyDouble2Char(double[] orig)

copyFloat2Char

public static char[] copyFloat2Char(float[] orig)

copyDouble2Byte

public static byte[] copyDouble2Byte(double[] orig)

copyFloat2Byte

public static byte[] copyFloat2Byte(float[] orig)

copy

public static ComplexNumber[] copy(ComplexNumber[] orig)

subarray

public static double[] subarray(double[] orig,
                int off,
                int len)

subarray

public static byte[] subarray(byte[] orig,
              int off,
              int len)

subarray

public static float[] subarray(float[] orig,
               int off,
               int len)

subarray

public static char[] subarray(char[] orig,
              int off,
              int len)

subarray

public static short[] subarray(short[] orig,
               int off,
               int len)

subarray

public static int[] subarray(int[] orig,
             int off,
             int len)

subarrayShort2Double

public static double[] subarrayShort2Double(short[] orig,
                            int off,
                            int len)

subarrayShort2Float

public static float[] subarrayShort2Float(short[] orig,
                          int off,
                          int len)

subarrayChar2Double

public static double[] subarrayChar2Double(char[] orig,
                           int off,
                           int len)

subarrayChar2Float

public static float[] subarrayChar2Float(char[] orig,
                         int off,
                         int len)

subarrayByte2Double

public static double[] subarrayByte2Double(byte[] orig,
                           int off,
                           int len)

subarrayByte2Float

public static float[] subarrayByte2Float(byte[] orig,
                         int off,
                         int len)

subarrayDouble2Short

public static short[] subarrayDouble2Short(double[] orig,
                           int off,
                           int len)

subarrayDouble2Char

public static char[] subarrayDouble2Char(double[] orig,
                         int off,
                         int len)

subarrayFloat2Char

public static char[] subarrayFloat2Char(float[] orig,
                        int off,
                        int len)

subarrayDouble2Byte

public static byte[] subarrayDouble2Byte(double[] orig,
                         int off,
                         int len)

subarrayFloat2Byte

public static byte[] subarrayFloat2Byte(float[] orig,
                        int off,
                        int len)

subarrayFloat2Double

public static double[] subarrayFloat2Double(float[] orig,
                            int off,
                            int len)

subarrayFloat2Short

public static short[] subarrayFloat2Short(float[] orig,
                          int off,
                          int len)

subarrayDouble2Float

public static float[] subarrayDouble2Float(double[] orig,
                           int off,
                           int len)

isOneOf

public static boolean isOneOf(int[] array,
              int val)

appendToStart

public static int[] appendToStart(int[] array,
                  int val)

appendToEnd

public static int[] appendToEnd(int[] array,
                int val)

combine

public static float[] combine(float[] x,
              float[] y)

Deprecated. use ArrayUtils.addAll(java.lang.Object[], java.lang.Object[]) instead

Returns the vector [x y]

Parameters:

x - x

y - y

Returns:

z

combine

public static double[] combine(double[] x,
               double[] y)

Deprecated. use ArrayUtils.addAll(java.lang.Object[], java.lang.Object[]) instead

Returns the vector [x y]

Parameters:

x - x

y - y

Returns:

z

isZero

public static boolean isZero(float[] array)

isZero

public static boolean isZero(double[] array)