blang.mcmc.internals

Class ExponentiatedFactor

java.lang.Object

blang.mcmc.internals.ExponentiatedFactor

All Implemented Interfaces:

blang.core.AnnealedFactor, blang.core.Factor, blang.core.LogScaleFactor, blang.core.ModelComponent

public class ExponentiatedFactor
extends java.lang.Object
implements blang.core.AnnealedFactor

Field Summary

Fields

Modifier and Type	Field and Description
boolean	annealSupport
boolean	treatNaNAsNegativeInfinity

Constructor Summary

Constructors

Constructor and Description
ExponentiatedFactor(blang.core.LogScaleFactor enclosed, boolean treatNaNAsNegativeInfinity, boolean annealSupport)

Method Summary

Modifier and Type	Method and Description
static double	annealedMinusInfinity(double exponent)
double	enclosedLogDensity() Compute the density of the enclosed density.
blang.core.RealVar	getAnnealingParameter()
double	getExponentValue()
double	logDensity()
void	setAnnealingParameter(blang.core.RealVar param)

Methods inherited from class java.lang.Object

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

Field Detail

treatNaNAsNegativeInfinity

public final boolean treatNaNAsNegativeInfinity

annealSupport

public final boolean annealSupport

Constructor Detail

ExponentiatedFactor

public ExponentiatedFactor(blang.core.LogScaleFactor enclosed,
                           boolean treatNaNAsNegativeInfinity,
                           boolean annealSupport)

Method Detail

enclosedLogDensity

public double enclosedLogDensity()

Compute the density of the enclosed density. Catch exceptions of type InvalidParameter (thrown by calling StaticUtils.invalidParameter()) and return negative infinity in such case.

logDensity

public double logDensity()

Specified by:

logDensity in interface blang.core.LogScaleFactor

annealedMinusInfinity

public static double annealedMinusInfinity(double exponent)

getExponentValue

public double getExponentValue()

getAnnealingParameter

public blang.core.RealVar getAnnealingParameter()

Specified by:

getAnnealingParameter in interface blang.core.AnnealedFactor

setAnnealingParameter

public void setAnnealingParameter(blang.core.RealVar param)

Specified by:

setAnnealingParameter in interface blang.core.AnnealedFactor