MersenneTwister64 (OpenGamma Strata)

java.lang.Object
- com.opengamma.strata.math.impl.cern.RandomEngine
- - com.opengamma.strata.math.impl.cern.MersenneTwister
  - - com.opengamma.strata.math.impl.cern.MersenneTwister64

All Implemented Interfaces:

Serializable, Cloneable, DoubleUnaryOperator, IntUnaryOperator
```
public class MersenneTwister64
extends MersenneTwister
```
Same as MersenneTwister except that method raw() returns 64 bit random numbers instead of 32 bit random numbers.

Version:

1.0, 09/24/99

See Also:

MersenneTwister, Serialized Form

Field Summary
- Fields inherited from class com.opengamma.strata.math.impl.cern.MersenneTwister
  DEFAULT_SEED

Constructor Summary

Constructors
Constructor	Description
`MersenneTwister64()`	Constructs and returns a random number generator with a default seed, which is a constant.
`MersenneTwister64(int seed)`	Constructs and returns a random number generator with the given seed.
`MersenneTwister64(Date d)`	Constructs and returns a random number generator seeded with the given date.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`raw()`	Returns a 64 bit uniformly distributed random number in the open unit interval `(0.0,1.0)` (excluding 0.0 and 1.0).

Methods inherited from class com.opengamma.strata.math.impl.cern.MersenneTwister
clone, nextBlock, nextInt, setSeed

Methods inherited from class com.opengamma.strata.math.impl.cern.RandomEngine
applyAsDouble, applyAsInt, makeDefault, nextDouble, nextFloat, nextLong

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

Methods inherited from interface java.util.function.DoubleUnaryOperator
andThen, compose

Methods inherited from interface java.util.function.IntUnaryOperator
andThen, compose

- Constructor Detail
  - MersenneTwister64
```
public MersenneTwister64()
```
    Constructs and returns a random number generator with a default seed, which is a constant.
  - MersenneTwister64
```
public MersenneTwister64(int seed)
```
    Constructs and returns a random number generator with the given seed.
    
    Parameters:
    
    seed - should not be 0, in such a case MersenneTwister64.DEFAULT_SEED is silently substituted.
  - MersenneTwister64
```
public MersenneTwister64(Date d)
```
    Constructs and returns a random number generator seeded with the given date.
    
    Parameters:
    
    d - typically new java.util.Date()
- Method Detail
  - raw
```
public double raw()
```
    Returns a 64 bit uniformly distributed random number in the open unit interval (0.0,1.0) (excluding 0.0 and 1.0).
    
    Overrides:
    
    raw in class RandomEngine
    
    Returns:
    
    the random number