Package io.github.olyutorskii.aletojio.rng.xorsft

Class XorShift64

java.lang.Object

io.github.olyutorskii.aletojio.rng.xorsft.XorShift64

All Implemented Interfaces:

RndInt64

public class XorShift64
extends Object
implements RndInt64

xorshift (64bit) Pseudo Random Generator.

See Also:

• Xorshift (Wikipedia)
• Xorshift RNGs

Constructor Summary

Constructors

Constructor	Description
XorShift64()	Constructor.

Method Summary

Modifier and Type	Method	Description
long	nextInt64()	Return next random number as 64bit long with random sign-bit.
void	setSeed(long seedArg)	Set seed.

Methods inherited from class java.lang.Object

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

Constructor Details

XorShift64

public XorShift64()

Constructor.

Method Details

nextInt64

public long nextInt64()

Return next random number as 64bit long with random sign-bit.

Specified by:

nextInt64 in interface RndInt64

Returns:

random number

setSeed

public void setSeed(long seedArg)

Set seed.

Seed must be non-zero.

Parameters:

seedArg - seed

Throws:

IllegalArgumentException - Seed must be non-zero