Package io.github.olyutorskii.aletojio.shrink

Class XorMixer

java.lang.Object

io.github.olyutorskii.aletojio.shrink.XorMixer

All Implemented Interfaces:

RndInt32

public class XorMixer
extends Object
implements RndInt32

Mixing entropy of N random number streams by XOR.

Random number output throughput decreases 1/N.

Constructor Summary

Constructors

Constructor	Description
XorMixer(RndInt32... rndVec)	Constructor.
XorMixer(Collection<RndInt32> rndColl)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	nextInt32()	Return next random number as 32bit int with random sign-bit.

Methods inherited from class java.lang.Object

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

Constructor Details

XorMixer

public XorMixer(Collection<RndInt32> rndColl)
         throws NullPointerException,
IllegalArgumentException

Constructor.

Parameters:

rndColl - random streams

Throws:

NullPointerException - argument or stream is null

IllegalArgumentException - no stream

XorMixer

public XorMixer(RndInt32... rndVec)
         throws NullPointerException,
IllegalArgumentException

Constructor.

Parameters:

rndVec - random streams

Throws:

NullPointerException - argument is null

IllegalArgumentException - no stream

Method Details

nextInt32

public int nextInt32()

Return next random number as 32bit int with random sign-bit.

Specified by:

nextInt32 in interface RndInt32

Returns:

random number