java.lang.Object
- pal.misc.Utils

```
public class Utils
extends java.lang.Object
```
Provides some miscellaneous methods.

Version:

$Id: Utils.java,v 1.25 2004/08/02 05:22:04 matt Exp $

Author:

Matthew Goode

Constructor Summary

Constructors
Constructor Description

Utils()

Method Summary

All Methods Static Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`static int`	`argmax(double[] array)`	Deprecated.
`static int`	`argmax(int[] array)`	Deprecated.
`static MultivariateFunction`	`combineMultivariateFunction(MultivariateFunction base, Parameterized[] additionalParameters)`	Creates an interface between a parameterised object to allow it to act as a multivariate minimum.
`static void`	`copy(double[][] source, double[][] dest)`	Copies all of source into dest - assumes dest to be large enough
`static int`	`getArgmax(double[] array)`	Find the maximum "argument" (of a double array)
`static int`	`getArgmax(int[] array)`	Find the maximum "argument"
`static boolean[][]`	`getCopy(boolean[][] array)`	Clones an array of booleans
`static byte[]`	`getCopy(byte[] array)`	Clones an array of bytes
`static byte[][]`	`getCopy(byte[][] array)`	Clones an array of bytes
`static double[]`	`getCopy(double[] array)`	Clones an array of doubles
`static double[][]`	`getCopy(double[][] array)`	Clones an array of doubles
`static double[][][]`	`getCopy(double[][][] array)`	Clones an array of doubles
`static double[]`	`getCopy(double[] array, int start)`	Clones an array of doubles from index start (inclusive) to end
`static double[]`	`getCopy(double[] array, int start, int end)`	Clones an array of doubles from index start (inclusive) to index end (exclusive)
`static int[]`	`getCopy(int[] array)`	Clones an array of ints
`static int[][]`	`getCopy(int[][] matrix)`	Clones a matrix of ints
`static int[]`	`getCopy(int[] array, int startingIndex)`	Clones an array of ints
`static java.lang.String[]`	`getCopy(java.lang.String[] array)`	Clones an array of Strings
`static double`	`getMax(double[] array)`	Calculate the max of an array
`static double`	`getMax(double[] array, int start, int end)`	Calculate the max of an array
`static double`	`getMean(double[] array)`	Calculate the mean value of an array
`static double`	`getMin(double[] array)`	Calculate the min of an array
`static double`	`getSum(double[] array)`	Calculate the total of an array
`static boolean`	`isContains(java.lang.String[] set, java.lang.String query)`	Test if a string occurs within a set
`static java.lang.String`	`toString(double[] array)`	A simple toString method for an array of doubles.
`static java.lang.String`	`toString(double[][] array)`	A simple toString method for an array of doubles.
`static java.lang.String`	`toString(double[] array, int number)`	A simple toString method for an array of doubles.
`static java.lang.String`	`toString(int[] array)`	A simple toString method for an array of ints.
`static java.lang.String`	`toString(int[][] array)`	A simple toString method for an array of ints.
`static java.lang.String`	`toString(int[] array, int number)`
`static java.lang.String`	`toString(java.lang.Object[] array)`	A simple toString method for an array of doubles.
`static java.lang.String`	`toString(java.lang.Object[] array, int number)`	A simple toString method for an array of objects.
`static java.lang.String`	`toString(java.lang.Object[] array, java.lang.String divider)`	A simple toString method for an array of objects.
`static java.lang.String`	`toString(java.lang.Object[] array, java.lang.String divider, int number)`	A simple toString method for an array of objects.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Utils
```
public Utils()
```
- Method Detail
  - isContains
```
public static final boolean isContains(java.lang.String[] set,
                                       java.lang.String query)
```
    Test if a string occurs within a set
    
    Parameters:
    
    set - the set of strings
    
    query - the query string
    
    Returns:
    
    true if the query string is in the set (as determined by object equality)
  - getCopy
```
public static final double[] getCopy(double[] array)
```
    Clones an array of doubles
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getSum
```
public static final double getSum(double[] array)
```
    Calculate the total of an array
    
    Parameters:
    
    array - The array to sum up
    
    Returns:
    
    the sum of all the elements
  - getMax
```
public static final double getMax(double[] array)
```
    Calculate the max of an array
    
    Parameters:
    
    array - The array to check
    
    Returns:
    
    the max of all the elements
  - getMax
```
public static final double getMax(double[] array,
                                  int start,
                                  int end)
```
    Calculate the max of an array
    
    Parameters:
    
    array - The array to check
    
    start - the first index to check
    
    end - the index after the last index to check
    
    Returns:
    
    the max of all the elements
  - getMin
```
public static final double getMin(double[] array)
```
    Calculate the min of an array
    
    Parameters:
    
    array - The array to check
    
    Returns:
    
    the min of all the elements
  - getMean
```
public static final double getMean(double[] array)
```
    Calculate the mean value of an array
    
    Parameters:
    
    array - the values
    
    Returns:
    
    the average
  - getCopy
```
public static final double[] getCopy(double[] array,
                                     int start,
                                     int end)
```
    Clones an array of doubles from index start (inclusive) to index end (exclusive)
    
    Returns:
    
    null if input is null
  - getCopy
```
public static final double[] getCopy(double[] array,
                                     int start)
```
    Clones an array of doubles from index start (inclusive) to end
    
    Returns:
    
    null if input is null
  - getCopy
```
public static final byte[] getCopy(byte[] array)
```
    Clones an array of bytes
    
    Parameters:
    
    array - the bytes to copy
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final java.lang.String[] getCopy(java.lang.String[] array)
```
    Clones an array of Strings
    
    Parameters:
    
    array - the strings to copy
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final double[][] getCopy(double[][] array)
```
    Clones an array of doubles
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final int[][] getCopy(int[][] matrix)
```
    Clones a matrix of ints
    
    Parameters:
    
    matrix - the matrix to clone
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final double[][][] getCopy(double[][][] array)
```
    Clones an array of doubles
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final byte[][] getCopy(byte[][] array)
```
    Clones an array of bytes
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final boolean[][] getCopy(boolean[][] array)
```
    Clones an array of booleans
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final int[] getCopy(int[] array)
```
    Clones an array of ints
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - getCopy
```
public static final int[] getCopy(int[] array,
                                  int startingIndex)
```
    Clones an array of ints
    
    Parameters:
    
    startingIndex - , starts copying from this index
    
    Returns:
    
    null if input is null, otherwise return complete copy.
  - copy
```
public static final void copy(double[][] source,
                              double[][] dest)
```
    Copies all of source into dest - assumes dest to be large enough
  - toString
```
public static final java.lang.String toString(double[] array,
                                              int number)
```
    A simple toString method for an array of doubles. No fancy formating. Puts spaces between each value
    
    Parameters:
    
    number - number of elements to process starting from first element
  - toString
```
public static final java.lang.String toString(java.lang.Object[] array,
                                              int number)
```
    A simple toString method for an array of objects. No fancy formating. Puts spaces between each value
    
    Parameters:
    
    number - number of elements to process starting from first element
  - toString
```
public static final java.lang.String toString(java.lang.Object[] array,
                                              java.lang.String divider)
```
    A simple toString method for an array of objects. No fancy formating. Puts user defined string between each value
    
    Parameters:
    
    number - number of elements to process starting from first element
  - toString
```
public static final java.lang.String toString(java.lang.Object[] array,
                                              java.lang.String divider,
                                              int number)
```
    A simple toString method for an array of objects. No fancy formating. Puts user defined string between each value
    
    Parameters:
    
    number - number of elements to process starting from first element
  - toString
```
public static final java.lang.String toString(java.lang.Object[] array)
```
    A simple toString method for an array of doubles. No fancy formating. Puts spaces between each value
  - toString
```
public static final java.lang.String toString(double[] array)
```
    A simple toString method for an array of doubles. No fancy formating. Puts spaces between each value
  - toString
```
public static final java.lang.String toString(int[] array)
```
    A simple toString method for an array of ints. No fancy formating. Puts spaces between each value
  - toString
```
public static final java.lang.String toString(int[] array,
                                              int number)
```
  - toString
```
public static final java.lang.String toString(double[][] array)
```
    A simple toString method for an array of doubles. No fancy formating. Puts spaces between each value
  - toString
```
public static final java.lang.String toString(int[][] array)
```
    A simple toString method for an array of ints. No fancy formating. Puts spaces between each value
  - argmax
```
public static final int argmax(int[] array)
```
    Deprecated.
    
    See Also:
    
    getArgmax()
  - getArgmax
```
public static final int getArgmax(int[] array)
```
    Find the maximum "argument"
    
    Parameters:
    
    array - The array to examine
    
    Returns:
    
    the element of the array with the maximum value
  - argmax
```
public static final int argmax(double[] array)
```
    Deprecated.
    
    See Also:
    
    getArgmax()
  - getArgmax
```
public static final int getArgmax(double[] array)
```
    Find the maximum "argument" (of a double array)
    
    Parameters:
    
    array - The array to examine
    
    Returns:
    
    the element of the array with the maximum value
  - combineMultivariateFunction
```
public static final MultivariateFunction combineMultivariateFunction(MultivariateFunction base,
                                                                     Parameterized[] additionalParameters)
```
    Creates an interface between a parameterised object to allow it to act as a multivariate minimum.

Class Utils

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

Utils

Method Detail

isContains

getCopy

getSum

getMax

getMax

getMin

getMean

getCopy

getCopy

getCopy

getCopy

getCopy

getCopy

getCopy

getCopy

getCopy

getCopy

getCopy

copy

toString

toString

toString

toString

toString

toString

toString

toString

toString

toString

argmax

getArgmax

argmax

getArgmax

combineMultivariateFunction