Package jdistlib.inference.autodiff

Class ReverseModeGradient

java.lang.Object

jdistlib.inference.autodiff.ReverseModeGradient

public final class ReverseModeGradient
extends Object

Reusable reverse-mode value-and-gradient evaluator.

Constructor Summary

Constructors

Constructor	Description
ReverseModeGradient()
ReverseModeGradient(ReverseTape tape)

Method Summary

Modifier and Type	Method	Description
double	evaluate(ReverseDifferentiableFunction function, double[] position, double[] gradient)	Evaluates the function and writes its gradient without allocating tape nodes.
ReverseTape	tape()

Methods inherited from class java.lang.Object

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

Constructor Details

ReverseModeGradient

public ReverseModeGradient()

ReverseModeGradient

public ReverseModeGradient(ReverseTape tape)

Method Details

tape

public ReverseTape tape()

evaluate

public double evaluate(ReverseDifferentiableFunction function,
 double[] position,
 double[] gradient)

Evaluates the function and writes its gradient without allocating tape nodes.