net.groboclown.util.math.v1
Class Comparison

java.lang.Object
  |
  +--net.groboclown.util.math.v1.Comparison

public class Comparison

extends Object

A utility class which performs comparison between various kinds of numbers.

Field Summary

private static double	DEFAULT_DOUBLE_DELTA
private static float	DEFAULT_FLOAT_DELTA
private static Comparison	s_instance The static instance is created here to prevent thread safety issues in the getInstance() method.

Constructor Summary

protected

Comparison()

Method Summary

boolean	doubleEquals(double a, double b)
boolean	doubleEquals(double a, double b, double delta)
boolean	floatEquals(float a, float b)
boolean	floatEquals(float a, float b, float delta)
static Comparison	getInstance()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_DOUBLE_DELTA

private static final double DEFAULT_DOUBLE_DELTA

DEFAULT_FLOAT_DELTA

private static final float DEFAULT_FLOAT_DELTA

s_instance

private static Comparison s_instance

The static instance is created here to prevent thread safety issues in the getInstance() method.

Constructor Detail

Comparison

protected Comparison()

Method Detail

getInstance

public static Comparison getInstance()

Returns:

the static instance of the utility class.

doubleEquals

public boolean doubleEquals(double a,
                            double b)

doubleEquals

public boolean doubleEquals(double a,
                            double b,
                            double delta)

floatEquals

public boolean floatEquals(float a,
                           float b)

floatEquals

public boolean floatEquals(float a,
                           float b,
                           float delta)