UnitBallSampler.UnitBallSampler2D

java.lang.Object

org.apache.commons.rng.sampling.shape.UnitBallSampler

org.apache.commons.rng.sampling.shape.UnitBallSampler.UnitBallSampler2D

All Implemented Interfaces:: ObjectSampler<double[]>, SharedStateObjectSampler<double[]>, SharedStateSampler<SharedStateObjectSampler<double[]>>

Enclosing class:: UnitBallSampler

private static final class UnitBallSampler.UnitBallSampler2D extends UnitBallSampler

Sample uniformly from a 2D unit disk.

Field Summary

Fields

Modifier and Type

Field

Description

private final UniformRandomProvider

rng

The source of randomness.
Constructor Summary

Constructors

Constructor

Description

UnitBallSampler2D(UniformRandomProvider rng)
Method Summary

Modifier and Type

Method

Description

double[]

sample()

Create an object sample.

UnitBallSampler

withUniformRandomProvider(UniformRandomProvider rng)

Create a new instance of the sampler with the same underlying state using the given uniform random provider as the source of randomness.

Methods inherited from class org.apache.commons.rng.sampling.shape.UnitBallSampler
of

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

Methods inherited from interface org.apache.commons.rng.sampling.ObjectSampler
samples, samples

Field Details
- rng
  
  private final UniformRandomProvider rng
  
  The source of randomness.
Constructor Details
- UnitBallSampler2D
  
  UnitBallSampler2D(UniformRandomProvider rng)
  
  Parameters:
  
  rng - Source of randomness.
Method Details
- sample
  
  public double[] sample()
  
  Description copied from interface: ObjectSampler
  
  Create an object sample.
  
  Specified by:
  
  sample in interface ObjectSampler<double[]>
  
  Specified by:
  
  sample in class UnitBallSampler
  
  Returns:
  
  a random Cartesian coordinate within the unit n-ball.
- withUniformRandomProvider
  
  public UnitBallSampler withUniformRandomProvider(UniformRandomProvider rng)
  
  Description copied from class: UnitBallSampler
  
  Create a new instance of the sampler with the same underlying state using the given uniform random provider as the source of randomness.
  
  Specified by:
  
  withUniformRandomProvider in interface SharedStateSampler<SharedStateObjectSampler<double[]>>
  
  Specified by:
  
  withUniformRandomProvider in class UnitBallSampler
  
  Parameters:
  
  rng - Generator of uniformly distributed random numbers.
  
  Returns:
  
  the sampler