mikera.vectorz

Class Tools

java.lang.Object

mikera.vectorz.Tools

public final class Tools
extends Object

Constructor Summary

Constructors

Constructor and Description
Tools()

Method Summary

Methods

Modifier and Type	Method and Description
static void	debugBreak(Object o)
static boolean	epsilonEquals(double a, double b) Tests if two double values are approximately equal
static boolean	epsilonEquals(double a, double b, double tolerance) Tests if two double values are approximately equal, up to a given tolerance
static int	hashCode(double d) Hashcode for a double primitive
static int	hashCode(int value) Hashcode for an int, defined as the value of the int itself for consistency with java.lang.Integer
static int	hashCode(long l) Hashcode for a long primitive
static double	toDouble(Object object) Converts an numerical object (instance of java.lang.Number) to a primitive double
static int	zeroVectorHash(int length) Return the hashCode for a vector of zeros

Methods inherited from class java.lang.Object

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

Constructor Detail

Tools

public Tools()

Method Detail

debugBreak

public static void debugBreak(Object o)

hashCode

public static int hashCode(int value)

Hashcode for an int, defined as the value of the int itself for consistency with java.lang.Integer

Parameters:

value -

Returns:

hashCode

public static int hashCode(double d)

Hashcode for a double primitive

Parameters:

d -

Returns:

hashCode

public static int hashCode(long l)

Hashcode for a long primitive

Parameters:

l -

Returns:

toDouble

public static double toDouble(Object object)

Converts an numerical object (instance of java.lang.Number) to a primitive double

epsilonEquals

public static boolean epsilonEquals(double a,
                    double b)

Tests if two double values are approximately equal

Parameters:

a -

b -

Returns:

epsilonEquals

public static boolean epsilonEquals(double a,
                    double b,
                    double tolerance)

Tests if two double values are approximately equal, up to a given tolerance

zeroVectorHash

public static int zeroVectorHash(int length)

Return the hashCode for a vector of zeros

Parameters:

length -

Returns: