fuzzydl.util

Class Util

java.lang.Object

fuzzydl.util.Util

public class Util
extends java.lang.Object

Common utilities.

Author:

Fernando Bobillo

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static void	error(java.lang.String message) Prints an error message and finishes the execution of the program.
static boolean	hasIntegerValue(java.lang.Double d) Checks whether a double number has an integer value or not.
static int	log2(double n) Computes the base 2 logarithm of a number.
static void	order(java.util.ArrayList<Concept> v) Order a vector of concepts.
static void	print(java.lang.String message) Prints on screen a message only in debug mode
static void	println(java.lang.String message) Prints on screen a message and a new line only in debug mode
static double	round(double x) Rounds a double number to the number of decimals ConfigReader.NUMBER_DIGITS

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

println

public static void println(java.lang.String message)

Prints on screen a message and a new line only in debug mode

Parameters:

message - Message to be printed.

print

public static void print(java.lang.String message)

Prints on screen a message only in debug mode

Parameters:

message - Message to be printed.

error

public static void error(java.lang.String message)
                  throws FuzzyOntologyException

Prints an error message and finishes the execution of the program.

Parameters:

message - Message to display.

Throws:

FuzzyOntologyException - fuzzy ontology exception.

hasIntegerValue

public static boolean hasIntegerValue(java.lang.Double d)

Checks whether a double number has an integer value or not.

Parameters:

d - A double number.

Returns:

Whether d has an integer value or not.

round

public static double round(double x)

Rounds a double number to the number of decimals ConfigReader.NUMBER_DIGITS

Parameters:

x - A double number.

Returns:

A rounded double number.

order

public static void order(java.util.ArrayList<Concept> v)

Order a vector of concepts.

Parameters:

v - A vector of concepts.

log2

public static int log2(double n)

Computes the base 2 logarithm of a number.

Parameters:

n - A real number.

Returns:

Smallest integer greater or equal than the base 2 logarithm of a number.