Package jdistlib.inference

Class EvaluationCounter

java.lang.Object

jdistlib.inference.EvaluationCounter

All Implemented Interfaces:

DifferentiableLogDensity, LogDensity

public final class EvaluationCounter
extends Object
implements DifferentiableLogDensity

Thread-confined log-density wrapper reporting value and gradient work.

Constructor Summary

Constructors

Constructor	Description
EvaluationCounter(DifferentiableLogDensity target)

Method Summary

Modifier and Type	Method	Description
long	gradientEvaluations()
double	logDensity(double[] state)
double	logDensityAndGradient(double[] state, double[] gradient)	Evaluates the log density and replaces gradient with its gradient.
long	logDensityEvaluations()
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Details

EvaluationCounter

public EvaluationCounter(DifferentiableLogDensity target)

Method Details

logDensity

public double logDensity(double[] state)

Specified by:

logDensity in interface DifferentiableLogDensity

Specified by:

logDensity in interface LogDensity

logDensityAndGradient

public double logDensityAndGradient(double[] state,
 double[] gradient)

Description copied from interface: DifferentiableLogDensity

Evaluates the log density and replaces gradient with its gradient.

Specified by:

logDensityAndGradient in interface DifferentiableLogDensity

logDensityEvaluations

public long logDensityEvaluations()

gradientEvaluations

public long gradientEvaluations()

reset

public void reset()