bak.pcj.hash
Class DefaultDoubleHashFunction

java.lang.Object
  bak.pcj.hash.DefaultDoubleHashFunction

All Implemented Interfaces:

DoubleHashFunction, Serializable

public class DefaultDoubleHashFunction

extends Object

implements DoubleHashFunction, Serializable

This class provides a default hash function for double values. It has been derived from the Java library and is known to work well in the general case.

Since:

1.0

See Also:

Double.hashCode()

Field Summary

static DoubleHashFunction

INSTANCE Default instance of this hash function.

Constructor Summary

protected

DefaultDoubleHashFunction() Default constructor to be invoked by sub-classes.

Method Summary

int	hash(double v) Returns a hash code for a specified double value.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final DoubleHashFunction INSTANCE

Default instance of this hash function.

Constructor Detail

DefaultDoubleHashFunction

protected DefaultDoubleHashFunction()

Default constructor to be invoked by sub-classes.

Method Detail

hash

public int hash(double v)

Description copied from interface: DoubleHashFunction

Returns a hash code for a specified double value.

Specified by:

hash in interface DoubleHashFunction

Parameters:

v - the value for which to return a hash code.

Returns:

a hash code for the specified value.