Class RandomNumber

java.lang.Object

org.ojalgo.random.RandomNumber

All Implemented Interfaces:

Comparable<RandomNumber>, DoubleSupplier, Supplier<Double>, BasicFunction, NullaryFunction<Double>, PrimitiveFunction.Nullary, Distribution, AccessScalar<Double>, ComparableNumber<RandomNumber>, NumberDefinition

Direct Known Subclasses:

AbstractContinuous, AbstractDiscrete, Deterministic, Erlang, Gamma, Weibull

public abstract class RandomNumber
extends Object
implements Distribution, PrimitiveFunction.Nullary, ComparableNumber<RandomNumber>

RandomNumber

Nested Class Summary

Nested classes/interfaces inherited from interface BasicFunction

BasicFunction.Differentiable<N,F>, BasicFunction.Integratable<N,F>, BasicFunction.PlainUnary<T,R>

Field Summary

Fields

Modifier and Type	Field	Description
private Random	myRandom

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RandomNumber()

Method Summary

Modifier and Type	Method	Description
protected void	checkProbabilty(double probabilty)
int	compareTo(RandomNumber o)
final double	doubleValue()
final float	floatValue()
protected abstract double	generate()
double	getStandardDeviation()	Subclasses must override either getStandardDeviation() or getVariance()!
double	getVariance()	Subclasses must override either getStandardDeviation() or getVariance()!
final int	intValue()
final Double	invoke()
final long	longValue()
SampleSet	newSampleSet(int numberOfSamples)
protected final Random	random()
void	setRandom(Random random)	Lets you choose between different Random implementations: Random ThreadLocalRandom SecureRandom ...
void	setSeed(long seed)
String	toString()

Methods inherited from class Object

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

Methods inherited from interface Distribution

getExpected

Methods inherited from interface NullaryFunction

andThen, get, getAsDouble

Methods inherited from interface NumberDefinition

booleanValue, byteValue, shortValue

Field Details

myRandom

private Random myRandom

Constructor Details

RandomNumber

protected RandomNumber()

Method Details

compareTo

public int compareTo(RandomNumber o)

Specified by:

compareTo in interface Comparable<RandomNumber>

doubleValue

public final double doubleValue()

Specified by:

doubleValue in interface NullaryFunction<Double>

Specified by:

doubleValue in interface NumberDefinition

floatValue

public final float floatValue()

Specified by:

floatValue in interface NumberDefinition

getStandardDeviation

public double getStandardDeviation()

Subclasses must override either getStandardDeviation() or getVariance()!

Specified by:

getStandardDeviation in interface Distribution

See Also:

• Distribution.getStandardDeviation()
• Distribution.getVariance()

getVariance

public double getVariance()

Subclasses must override either getStandardDeviation() or getVariance()!

Specified by:

getVariance in interface Distribution

See Also:

• Distribution.getStandardDeviation()
• Distribution.getVariance()

intValue

public final int intValue()

Specified by:

intValue in interface NumberDefinition

invoke

public final Double invoke()

Specified by:

invoke in interface NullaryFunction<Double>

Specified by:

invoke in interface PrimitiveFunction.Nullary

longValue

public final long longValue()

Specified by:

longValue in interface NumberDefinition

newSampleSet

public SampleSet newSampleSet(int numberOfSamples)

setRandom

public void setRandom(Random random)

Lets you choose between different Random implementations:

• Random
• ThreadLocalRandom
• SecureRandom
• ...

setSeed

public void setSeed(long seed)

toString

public String toString()

Overrides:

toString in class Object

checkProbabilty

protected void checkProbabilty(double probabilty)

generate

protected abstract double generate()

random

protected final Random random()