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

Class Xoroshiro128ss

java.lang.Object

io.github.olyutorskii.aletojio.rng.xorsft.Xoroshiro128ss

All Implemented Interfaces:

RndInt64

public class Xoroshiro128ss
extends Object
implements RndInt64

xoroshiro128** Pseudo Random Generator.

See Also:

• Xorshift (Wikipedia)
• xoshiro / xoroshiro generators and the PRNG shootout

Constructor Summary

Constructors

Constructor	Description
Xoroshiro128ss()	Constructor.

Method Summary

Modifier and Type	Method	Description
long	nextInt64()	Return next random number as 64bit long with random sign-bit.
void	setSeed(long s0Arg, long s1Arg)	Set seed.

Methods inherited from class java.lang.Object

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

Constructor Details

Xoroshiro128ss

public Xoroshiro128ss()

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 s0Arg,
 long s1Arg)
             throws IllegalArgumentException

Set seed.

At least one seed must be non-zero.

Parameters:

s0Arg - seed0

s1Arg - seed1

Throws:

IllegalArgumentException - At least one seed must be non-zero