DoubleList

java.lang.Object
- de.jstacs.utils.DoubleList

All Implemented Interfaces:

Storable, Cloneable
```
public final class DoubleList
extends Object
implements Storable, Cloneable
```
A simple list of primitive type double.

Author:

Jens Keilwagen, Jan Grau

Constructor Summary

Constructors
Constructor and Description
`DoubleList()` This is the default constructor that creates a `DoubleList` with initial length 10.
`DoubleList(int size)` This is the default constructor that creates a `DoubleList` with initial length `size`.
`DoubleList(StringBuffer rep)` This is the constructor for the interface `Storable`.

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`add(double val)` Adds the element `val` at the end of the list.
`void`	`add(double val, int fromIndex, int toIndex)` Adds the element `val` from `fromIndex` to `toIndex` (exclusive).
`void`	`addAll(DoubleList list2)` This method adds all elements of `DoubleList` `list2` to the current list.
`void`	`addTo(int start, int end, double summand)` Adds to all values in the list from index `start` to `end` the value `summand`.
`void`	`clear()` Removes all elements from the list.
`DoubleList`	`clone()`
`double`	`get(int index)` Returns the element with the specified `index`.
`int`	`length()` Returns the number of inserted elements.
`double`	`mean(int start, int end)` This method computes the mean of a part of the list.
`double`	`median(int start, int end)` This method computes the median of a part of the list.
`double`	`min(int start, int end)` This method computes the minimum of a part of the list.
`void`	`multiply(int start, int end, double factor)` Multiplies all values in the list from index `start` to `end` with the value `factor`.
`double`	`sd(int start, int end)` This method computes the standard deviation of a part of the list.
`double[]`	`toArray()` This method returns a `double` array containing all elements of the list.
`double[]`	`toArray(int start, int end)` This method returns a `double` array containing all elements of the list between start and end (exclusive).
`String`	`toString()`
`StringBuffer`	`toXML()` This method returns an XML representation as `StringBuffer` of an instance of the implementing class.

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

- Constructor Detail
  - DoubleList
```
public DoubleList()
```
    This is the default constructor that creates a DoubleList with initial length 10.
  - DoubleList
```
public DoubleList(int size)
           throws IllegalArgumentException
```
    This is the default constructor that creates a DoubleList with initial length size.
    
    Parameters:
    size - the initial size, has to be positive
    
    Throws:
    
    IllegalArgumentException - if size is less than 1
  - DoubleList
```
public DoubleList(StringBuffer rep)
           throws NonParsableException
```
    This is the constructor for the interface Storable. Constructs a DoubleList out of an XML representation.
    
    Parameters:
    rep - the XML representation as StringBuffer
    
    Throws:
    
    NonParsableException - if the XML representation could not be parsed
- Method Detail
  - clone
```
public DoubleList clone()
                 throws CloneNotSupportedException
```
    Overrides:
    
    clone in class Object
    
    Throws:
    
    CloneNotSupportedException
  - addAll
```
public void addAll(DoubleList list2)
```
    This method adds all elements of DoubleList list2 to the current list.
    
    Parameters:
    list2 - a list of elements to be added
  - add
```
public final void add(double val)
```
    Adds the element val at the end of the list.
    
    Parameters:
    val - the element that should be inserted
  - add
```
public void add(double val,
       int fromIndex,
       int toIndex)
```
    Adds the element val from fromIndex to toIndex (exclusive).
    
    Parameters:
    val - the element that should be inserted
    fromIndex - the start index (inclusive)
    toIndex - the end index (exclusive)
  - clear
```
public final void clear()
```
    Removes all elements from the list.
  - get
```
public final double get(int index)
```
    Returns the element with the specified index.
    
    Parameters:
    index - the specified index of the element to return
    
    Returns:
    the corresponding element
  - length
```
public final int length()
```
    Returns the number of inserted elements.
    
    Returns:
    the number of inserted elements
  - toArray
```
public double[] toArray()
```
    This method returns a double array containing all elements of the list.
    
    Returns:
    a double array containing all elements of the list
  - toArray
```
public double[] toArray(int start,
               int end)
```
    This method returns a double array containing all elements of the list between start and end (exclusive).
    
    Parameters:
    start - the first position to consider
    end - the index after the last position to consider
    
    Returns:
    a double array containing the elements of the list
  - multiply
```
public void multiply(int start,
            int end,
            double factor)
```
    Multiplies all values in the list from index start to end with the value factor.
    
    Parameters:
    start - the start index (inclusive)
    end - the end index (exclusive)
    factor - the factor with which the values in the list are multiplied
  - addTo
```
public void addTo(int start,
         int end,
         double summand)
```
    Adds to all values in the list from index start to end the value summand.
    
    Parameters:
    start - the start index (inclusive)
    end - the end index (exclusive)
    summand - the summand which is added to the values in the list
  - mean
```
public double mean(int start,
          int end)
```
    This method computes the mean of a part of the list. Please note that start has to be smaller than end and end has to be smaller than length().
    
    Parameters:
    start - the start index (inclusive)
    end - the end index (exclusive)
    
    Returns:
    the mean of the part of the list
  - sd
```
public double sd(int start,
        int end)
```
    This method computes the standard deviation of a part of the list. Please note that start has to be smaller than end and end has to be smaller than length().
    
    Parameters:
    start - the start index (inclusive)
    end - the end index (exclusive)
    
    Returns:
    the standard deviation of the part of the list
  - min
```
public double min(int start,
         int end)
```
    This method computes the minimum of a part of the list. Please note that start has to be smaller than end and end has to be smaller than length().
    
    Parameters:
    start - the start index (inclusive)
    end - the end index (exclusive)
    
    Returns:
    the minimum of the part of the list
  - median
```
public double median(int start,
            int end)
```
    This method computes the median of a part of the list. Please note that start has to be smaller than end and end has to be smaller than length().
    
    Parameters:
    start - the start index (inclusive)
    end - the end index (exclusive)
    
    Returns:
    the median of the part of the list
  - toXML
```
public StringBuffer toXML()
```
    Description copied from interface: Storable
    
    This method returns an XML representation as StringBuffer of an instance of the implementing class.
    
    Specified by:
    
    toXML in interface Storable
    
    Returns:
    the XML representation
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class DoubleList

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DoubleList

DoubleList

DoubleList

Method Detail

clone

addAll

add

add

clear

get

length

toArray

toArray

multiply

addTo

mean

sd

min

median

toXML

toString