SplitMix64 (Apache Commons RNG Core 1.7 API)

java.lang.Object
- org.apache.commons.rng.core.BaseProvider
- - org.apache.commons.rng.core.source64.LongProvider
  - - org.apache.commons.rng.core.source64.SplitMix64

All Implemented Interfaces:

RandomLongSource, org.apache.commons.rng.RestorableUniformRandomProvider, org.apache.commons.rng.UniformRandomProvider
```
public class SplitMix64
extends LongProvider
```
A fast RNG, with 64 bits of state, that can be used to initialize the state of other generators.

Since:

1.0

See Also:

Original source code

Constructor Summary

Constructors
Constructor Description

SplitMix64(long seed)
Creates a new instance.

SplitMix64(Long seed)
Creates a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected byte[]`	`getStateInternal()`	Creates a snapshot of the RNG state.
`long`	`next()`	Return the next random value.
`protected void`	`setStateInternal(byte[] s)`	Resets the RNG to the given `state`.

Methods inherited from class org.apache.commons.rng.core.source64.LongProvider
nextBoolean, nextInt, nextLong, resetCachedState

Methods inherited from class org.apache.commons.rng.core.BaseProvider
checkIndex, checkStateSize, composeStateInternal, extendSeed, extendSeed, fillState, fillState, restoreState, saveState, splitStateInternal, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.commons.rng.UniformRandomProvider
doubles, doubles, doubles, doubles, ints, ints, ints, ints, longs, longs, longs, longs, nextBytes, nextBytes, nextDouble, nextDouble, nextDouble, nextFloat, nextFloat, nextFloat, nextInt, nextInt, nextLong, nextLong

- Constructor Detail
  - SplitMix64
```
public SplitMix64(long seed)
```
    Creates a new instance.
    
    Parameters:
    
    seed - Initial seed.
    
    Since:
    
    1.3
  - SplitMix64
```
public SplitMix64(Long seed)
```
    Creates a new instance.
    
    Parameters:
    
    seed - Initial seed.
- Method Detail
  - next
```
public long next()
```
    Return the next random value.
    
    Returns:
    
    the next random value.
  - getStateInternal
```
protected byte[] getStateInternal()
```
    Creates a snapshot of the RNG state.
    
    Overrides:
    
    getStateInternal in class LongProvider
    
    Returns:
    
    the internal state.
  - setStateInternal
```
protected void setStateInternal(byte[] s)
```
    Resets the RNG to the given state.
    
    Overrides:
    
    setStateInternal in class LongProvider
    
    Parameters:
    
    s - State (previously obtained by a call to BaseProvider.getStateInternal()).
    
    See Also:
    
    BaseProvider.checkStateSize(byte[],int)