org.nd4j.autodiff.validation

Class GradCheckUtil

java.lang.Object

org.nd4j.autodiff.validation.GradCheckUtil

public class GradCheckUtil
extends Object

Gradient check utility

Author:

Adam Gibson

Constructor Summary

Constructors

Constructor and Description
GradCheckUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	checkGradients(SameDiff sd)
static boolean	checkGradients(SameDiff sd, boolean print, boolean exitOnFirstFailure)
static boolean	checkGradients(SameDiff sd, double eps, double maxRelError, double minAbsError, boolean print, boolean exitOnFirstFailure)
static boolean	checkGradients(SameDiff sd, double eps, double maxRelError, double minAbsError, boolean print, boolean exitOnFirstFailure, boolean skipValidation, boolean debugMode, Set<String> skipVariables)
static boolean	checkGradients(SameDiff sd, String... skipVariables)
static boolean	checkGradients(SDVariable function, SDVariable wrt, double epsilon, double maxRelError, boolean print, Map<String,INDArray> inputParameters)
static boolean	checkGradients(TestCase t)
static void	validateInternalState(SameDiff sd, boolean generateAndCheckGradFn)

Methods inherited from class java.lang.Object

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

Constructor Detail

GradCheckUtil

public GradCheckUtil()

Method Detail

checkGradients

public static boolean checkGradients(SDVariable function,
                                     SDVariable wrt,
                                     double epsilon,
                                     double maxRelError,
                                     boolean print,
                                     Map<String,INDArray> inputParameters)

Parameters:

function -

epsilon -

maxRelError -

print -

inputParameters -

Returns:

checkGradients

public static boolean checkGradients(TestCase t)

checkGradients

public static boolean checkGradients(SameDiff sd)

checkGradients

public static boolean checkGradients(SameDiff sd,
                                     String... skipVariables)

checkGradients

public static boolean checkGradients(SameDiff sd,
                                     boolean print,
                                     boolean exitOnFirstFailure)

checkGradients

public static boolean checkGradients(SameDiff sd,
                                     double eps,
                                     double maxRelError,
                                     double minAbsError,
                                     boolean print,
                                     boolean exitOnFirstFailure)

checkGradients

public static boolean checkGradients(SameDiff sd,
                                     double eps,
                                     double maxRelError,
                                     double minAbsError,
                                     boolean print,
                                     boolean exitOnFirstFailure,
                                     boolean skipValidation,
                                     boolean debugMode,
                                     Set<String> skipVariables)

validateInternalState

public static void validateInternalState(SameDiff sd,
                                         boolean generateAndCheckGradFn)