keel.Algorithms.Subgroup_Discovery.SDAlgorithm

Class Utils

java.lang.Object

keel.Algorithms.Subgroup_Discovery.SDAlgorithm.Utils

public class Utils
extends java.lang.Object

Assorted methods to manage several topics

Since:

JDK1.5

Version:

2.0

Author:

Created by Pedro González (University of Jaen) 18/02/2004, Modified by Pedro González (University of Jaen) 4/08/2007, Modified by Cristóbal J. Carmona (University of Jaen) 20/04/2010

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Modifier and Type	Method and Description
static float	Assigned(float val, float tope) Rounds the generated value for the semantics when necesary
static boolean	BETTER(double X, double Y) Returns if the first double argument is better than the second
static boolean	BETTER(float X, float Y) Returns if the first float argument is better than the second
static boolean	BETTER(int X, int Y) Returns if the first integer argument is better than the second
static java.lang.String	GetFileName(java.util.StringTokenizer s) Gets the name for the file, eliminating "" and skiping "="
static float	GetParamFloat(java.util.StringTokenizer s) Gets an float from param file, skiping "="
static int	GetParamInt(java.util.StringTokenizer s) Gets an integer from param file, skiping "="
static java.lang.String	GetParamString(java.util.StringTokenizer s) Gets an String from param file, skiping "="
static int	getposString(java.util.Vector vect_valores, java.lang.String value) Returns the position of the element at the vector, -1 if does not appear
static float	Maximum(float x, float y) Returns the maximum of two float values
static float	Minimum(float x, float y) Returns the minimum of two float values
static void	OrCrecIndex(float[] v, int left, int right, int[] index) C.A.R, Hoare Quick sort.
static void	OrDecIndex(float[] v, int left, int right, int[] index) C.A.R, Hoare Quick sort.

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

GetParamInt

public static int GetParamInt(java.util.StringTokenizer s)

Gets an integer from param file, skiping "="

Parameters:

s - Token

Returns:

Integer value of the token

GetParamFloat

public static float GetParamFloat(java.util.StringTokenizer s)

Gets an float from param file, skiping "="

Parameters:

s - Token

Returns:

Float value of the token

GetParamString

public static java.lang.String GetParamString(java.util.StringTokenizer s)

Gets an String from param file, skiping "="

Parameters:

s - Token

Returns:

String value of the token

GetFileName

public static java.lang.String GetFileName(java.util.StringTokenizer s)

Gets the name for the file, eliminating "" and skiping "="

Parameters:

s - Token

Returns:

The name of the file

getposString

public static int getposString(java.util.Vector vect_valores,
                               java.lang.String value)

Returns the position of the element at the vector, -1 if does not appear

Parameters:

vect_valores - Vector of values

value - Value to seek

Returns:

Position of the value searched

Minimum

public static float Minimum(float x,
                            float y)

Returns the minimum of two float values

Parameters:

x - A float

y - A float

Returns:

The minimum float in the comparison

Maximum

public static float Maximum(float x,
                            float y)

Returns the maximum of two float values

Parameters:

x - A float

y - A float

Returns:

The maximum float in the comparison

BETTER

public static boolean BETTER(float X,
                             float Y)

Returns if the first float argument is better than the second

Parameters:

X - Some float

Y - Some float

Returns:

True if X is better than Y and false in other way

BETTER

public static boolean BETTER(int X,
                             int Y)

Returns if the first integer argument is better than the second

Parameters:

X - Some integer

Y - Some integer

Returns:

True if X is better than Y and false in other way

BETTER

public static boolean BETTER(double X,
                             double Y)

Returns if the first double argument is better than the second

Parameters:

X - Some double

Y - Some double

Returns:

True if X is better than Y and false in other way

OrDecIndex

public static void OrDecIndex(float[] v,
                              int left,
                              int right,
                              int[] index)

C.A.R, Hoare Quick sort. Based on sort by interchange. Decreasing sort.

Parameters:

v - Vector to be sorted

left - Position to sort

right - Final position to sort

index - The indexes of the original vector

OrCrecIndex

public static void OrCrecIndex(float[] v,
                               int left,
                               int right,
                               int[] index)

C.A.R, Hoare Quick sort. Based on sort by interchange. Incresing sort.

Parameters:

v - Vector to be sorted

left - Initial position to sort

right - Final position to sort

index - The indexes of the original vector

Assigned

public static float Assigned(float val,
                             float tope)

Rounds the generated value for the semantics when necesary

Parameters:

val - The value to round

tope - Threshold

Returns:

rounded value.