net.emaze.dysfunctional.order

Class StrictOrderingDoubleComparator

java.lang.Object

net.emaze.dysfunctional.order.StrictOrderingDoubleComparator

All Implemented Interfaces:

Serializable, Comparator<Double>

public class StrictOrderingDoubleComparator
extends Object
implements Comparator<Double>, Serializable

A strict order comparator for doubles.

Author:

rferranti

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StrictOrderingDoubleComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Double lhs, Double rhs) Need to compare bits to handle 0.0 eq -0.0 being true.
boolean	equals(Object obj)
int	hashCode()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

StrictOrderingDoubleComparator

public StrictOrderingDoubleComparator()

Method Detail

compare

public int compare(Double lhs,
                   Double rhs)

Need to compare bits to handle 0.0 eq -0.0 being true. Compare should put -0.0 < +0.0. Two NaNs are also equals for compare purposes where NaN eq NaN is false.

Specified by:

compare in interface Comparator<Double>

Parameters:

lhs - the left hand side comparable

rhs - the right hand side comparable

Returns:

the comparison result

equals

public boolean equals(Object obj)

Specified by:

equals in interface Comparator<Double>

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object