All Known Implementing Classes:

AbsoluteDifferenceLoss, AbsoluteDifferenceLossBp, AdaBeliefUpdater, AdaDeltaUpdater, AdaGradUpdater, AdaMaxUpdater, AdamUpdater, AddBpOp, AddOp, AdjustContrast, AdjustHue, AdjustSaturation, AmsGradUpdater, Angle, ApplyGradientDescent, ArgAmax, ArgAmin, ArgMax, ArgMin, Assert, Assign, ATan2, AvgPooling2D, AvgPooling3D, BarnesEdgeForces, BarnesHutGains, BarnesHutSymmetrize, BaseArithmeticBackpropOp, BaseCompatOp, BaseDynamicCustomBoolReduction, BaseDynamicCustomIndexReduction, BaseDynamicCustomLongReduction, BaseDynamicCustomReduction, BaseDynamicTransformOp, BaseLoss, BaseLossBp, BaseReductionBp, BaseTensorOp, BatchMmul, BatchNorm, BatchNormDerivative, BatchToSpace, BatchToSpaceND, BetaInc, BiasAdd, BiasAddGrad, BinCount, BitCast, BitsHammingDistance, BitwiseAnd, BitwiseOr, BitwiseXor, BroadcastDynamicShape, BroadcastTo, Cast, CbowRound, CheckNumerics, Cholesky, Choose, ClipByAvgNorm, ClipByNorm, ClipByNormBp, ClipByValue, Col2Im, CompareAndBitpack, CompatSparseToDense, CompatStringSplit, Concat, ConcatBp, ConfusionMatrix, Conv1D, Conv1DDerivative, Conv2D, Conv2DDerivative, Conv3D, Conv3DDerivative, CosineDistanceLoss, CosineDistanceLossBp, Create, CreateView, CReLU, CReluBp, CropAndResize, Cross, CtcLoss, CtcLossBp, CubeBp, CumProd, CumProdBp, CumSum, CumSumBp, CyclicRShiftBits, CyclicShiftBits, DecodeBitmap, DecodeThreshold, DeConv2D, DeConv2DDerivative, DeConv2DTF, DeConv3D, DeConv3DDerivative, DeConv3DTF, DepthToSpace, DepthwiseConv2D, DepthwiseConv2DBp, Diag, DiagPart, Digamma, Dilation2D, DistributionUniform, DivBpOp, DivideNoNan, DivOp, DotBp, DotProductAttention, DotProductAttentionBp, DrawBoundingBoxes, DynamicCustomOp, DynamicPartition, DynamicPartitionBp, DynamicStitch, Eig, ELU, EluBp, EmbeddingLookup, EncodeBitmap, EncodeThreshold, Enter, EqualTo, Exit, ExpandDims, ExternalErrorsFunction, ExtractImagePatches, Eye, FakeQuantWithMinMaxArgs, FakeQuantWithMinMaxVars, FakeQuantWithMinMaxVarsPerChannel, Fill, Flatten, Flatten2D, FloorDivBpOp, FloorDivOp, FloorModBpOp, FloorModOp, FusedBatchNorm, Gather, GatherNd, GradientBackwardsMarker, GreaterThan, GreaterThanOrEqual, GRU, GRUBp, GRUCell, HardSigmoidBp, HardTanhBp, HashCode, HingeLoss, HingeLossBp, Histogram, HistogramFixedWidth, HsvToRgb, HuberLoss, HuberLossBp, Identity, IdentityN, Igamma, Igammac, Im2col, Im2colBp, ImageResize, InTopK, InvertPermutation, Invoke, IsMax, IsNonDecreasing, IsNumericTensor, IsStrictlyIncreasing, KnnMinDistance, L2Loss, LayerNorm, LayerNormBp, LeakyReLUBp, LessThan, LessThanOrEqual, Lgamma, LinearSolve, Linspace, ListDiff, LocalResponseNormalization, LocalResponseNormalizationDerivative, Logdet, LogicalAnd, LogicalNot, LogicalOr, LogicalXor, LogLoss, LogLossBp, LogMatrixDeterminant, LogPoissonLoss, LogPoissonLossBp, LogSoftMax, LogSoftMaxDerivative, LogSumExp, LoopCond, LSTMBlock, LSTMBlockCell, LSTMCell, LSTMLayer, LSTMLayerBp, Lstsq, Lu, MatrixBandPart, MatrixDeterminant, MatrixDiag, MatrixDiagPart, MatrixInverse, MatrixSetDiag, Max, MaxBp, MaximumBp, MaxPooling2D, MaxPooling3D, MaxPoolWithArgmax, MeanBp, MeanPairwiseSquaredErrorLoss, MeanPairwiseSquaredErrorLossBp, MeanSquaredErrorLoss, MeanSquaredErrorLossBp, Merge, MergeAddBp, MergeAddOp, MergeAvg, MergeAvgBp, MergeMax, MergeMaxBp, MergeMaxIndex, MergeSum, MeshGrid, Min, MinBp, MinMaxDataType, MirrorPad, Mmul, MmulBp, ModBpOp, ModOp, Moments, MulBpOp, MulOp, MultiHeadDotProductAttention, MultiHeadDotProductAttentionBp, NadamUpdater, NesterovsUpdater, NextIteration, NonMaxSuppression, NonMaxSuppressionV3, NonMaxSuppressionWithOverlaps, NoOp, Norm1Bp, Norm2Bp, NormalizeMoments, NormMaxBp, NotEqualTo, NthElement, OneHot, OnesAs, OnesLike, Pad, ParallelConcat, ParallelStack, Permute, Polygamma, Pooling2D, Pooling2DDerivative, Pooling3D, Pooling3DDerivative, Pow, PowBp, PRelu, PReluBp, PrintAffinity, PrintVariable, ProdBp, Qr, RandomBernoulli, RandomCrop, RandomExponential, RandomGamma, RandomMultinomial, RandomNormal, RandomPoisson, RandomShuffle, RandomStandardNormal, Range, Rank, RationalTanhBp, RDivBpOp, RDivOp, RealDivOp, RectifiedLinearDerivative, RectifiedTanhBp, ReductionShape, Relu6Derivative, ReluLayer, Repeat, Reshape, ResizeArea, ResizeBicubic, ResizeBilinear, ResizeNearestNeighbor, RestoreV2, Reverse, ReverseBp, ReverseSequence, ReverseV2, RgbToGrayscale, RgbToHsv, RgbToYiq, RgbToYuv, RmsPropUpdater, Roll, RShiftBits, RSubBpOp, RSubOp, SaveV2, ScatterAdd, ScatterDiv, ScatterMax, ScatterMin, ScatterMul, ScatterNd, ScatterNdAdd, ScatterNdSub, ScatterNdUpdate, ScatterSub, ScatterUpdate, SConv2D, SConv2DDerivative, SegmentMax, SegmentMaxBp, SegmentMean, SegmentMeanBp, SegmentMin, SegmentMinBp, SegmentProd, SegmentProdBp, SegmentSum, SegmentSumBp, Select, SeluBp, SequenceMask, SetShape, SgdUpdater, Shape, ShapeN, ShiftBits, SigmoidCrossEntropyLoss, SigmoidCrossEntropyLossBp, SigmoidDerivative, Size, SizeAt, SkipGramRound, Slice, SliceBp, SoftMax, SoftmaxBp, SoftmaxCrossEntropyLoss, SoftmaxCrossEntropyLossBp, SoftmaxCrossEntropyWithLogitsLoss, SoftmaxCrossEntropyWithLogitsLossBp, SoftPlusBp, SoftSignBp, SpaceToBatch, SpaceToBatchND, SpaceToDepth, SparseSoftmaxCrossEntropyLossWithLogits, SparseSoftmaxCrossEntropyLossWithLogitsBp, Split, SplitV, SpTreeCell, SqrtM, SquaredDifferenceBpOp, SquaredDifferenceOp, SquaredNormBp, Squeeze, SRU, SRUCell, Stack, StandardDeviationBp, Standardize, StandardizeBp, StopGradient, StridedSlice, StridedSliceBp, SubBpOp, SubOp, SufficientStatistics, SumBp, Svd, Switch, TanhDerivative, TensorArray, TensorArrayConcat, TensorArrayGather, TensorArrayRead, TensorArrayRemove, TensorArrayScatter, TensorArraySize, TensorArraySplit, TensorArrayWrite, TensorMmul, TensorMmulBp, ThresholdRelu, ThresholdReluBp, Tile, TileBp, ToggleBits, TopK, Trace, Transpose, Tri, TriangularSolve, Triu, TriuBp, TruncateDivOp, Unique, UniqueWithCounts, UnsortedSegmentMax, UnsortedSegmentMaxBp, UnsortedSegmentMean, UnsortedSegmentMeanBp, UnsortedSegmentMin, UnsortedSegmentMinBp, UnsortedSegmentProd, UnsortedSegmentProdBp, UnsortedSegmentSqrtN, UnsortedSegmentSqrtNBp, UnsortedSegmentSum, UnsortedSegmentSumBp, Unstack, Upsampling2d, Upsampling2dDerivative, Upsampling3d, Upsampling3dBp, VarianceBp, WeightedCrossEntropyLoss, Where, WhereNumpy, While, XwPlusB, YiqToRgb, YuvToRgb, ZeroFraction, ZerosLike, Zeta
```
public interface CustomOp
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addBArgument(boolean... arg)`
`void`	`addDArgument(DataType... arg)`
`void`	`addIArgument(int... arg)`
`void`	`addIArgument(long... arg)`
`void`	`addInputArgument(INDArray... arg)`
`void`	`addOutputArgument(INDArray... arg)`
`void`	`addSArgument(String... args)`
`void`	`addTArgument(double... arg)`
`void`	`assertValidForExecution()`	Asserts a valid state for execution, otherwise throws an `ND4JIllegalStateException`
`boolean[]`	`bArgs()`
`List<LongShapeDescriptor>`	`calculateOutputShape()`	Calculate the output shape for this op
`List<LongShapeDescriptor>`	`calculateOutputShape(OpContext opContext)`	Calculate the output shape for this op
`void`	`clearArrays()`	Clear the input and output INDArrays, if any are set
`void`	`configureFromArguments()`	This allows a custom op to configure relevant fields from its arguments.
`DataType[]`	`dArgs()`
`Boolean`	`getBArgument(int index)`
`CustomOpDescriptor`	`getDescriptor()`	Get the custom op descriptor if one is available.
`Long`	`getIArgument(int index)`
`INDArray`	`getInputArgument(int index)`
`INDArray`	`getOutputArgument(int index)`
`String`	`getSArgument(int index)`
`Double`	`getTArgument(int index)`
`long[]`	`iArgs()`
`List<INDArray>`	`inputArguments()`
`boolean`	`isInplaceCall()`	This method returns true if op is supposed to be executed inplace
`int`	`numBArguments()`
`int`	`numDArguments()`
`int`	`numIArguments()`
`int`	`numInputArguments()`
`int`	`numOutputArguments()`
`int`	`numSArguments()`
`int`	`numTArguments()`
`long`	`opHash()`	This method returns LongHash of the opName()
`String`	`opName()`	This method returns op opName as string
`List<INDArray>`	`outputArguments()`
`void`	`removeIArgument(Integer arg)`
`void`	`removeInputArgument(INDArray arg)`
`void`	`removeOutputArgument(INDArray arg)`
`void`	`removeSArgument(String argument)`
`void`	`removeTArgument(Double arg)`
`String[]`	`sArgs()`
`double[]`	`tArgs()`

Method Detail

configureFromArguments
```
void configureFromArguments()
```
This allows a custom op to configure relevant fields from its arguments. This is needed when ops are created via reflection for things like model import.

opName
```
String opName()
```
This method returns op opName as string

Returns:

opHash
```
long opHash()
```
This method returns LongHash of the opName()

Returns:

isInplaceCall
```
boolean isInplaceCall()
```
This method returns true if op is supposed to be executed inplace

Returns:

outputArguments
```
List<INDArray> outputArguments()
```

inputArguments
```
List<INDArray> inputArguments()
```

iArgs
```
long[] iArgs()
```

tArgs
```
double[] tArgs()
```

bArgs
```
boolean[] bArgs()
```

dArgs
```
DataType[] dArgs()
```

addTArgument
```
void addTArgument(double... arg)
```

sArgs
```
String[] sArgs()
```

addIArgument
```
void addIArgument(int... arg)
```

addIArgument
```
void addIArgument(long... arg)
```

addBArgument
```
void addBArgument(boolean... arg)
```

addDArgument
```
void addDArgument(DataType... arg)
```

removeIArgument
```
void removeIArgument(Integer arg)
```

addSArgument
```
void addSArgument(String... args)
```

removeSArgument

void removeSArgument(String argument)

getSArgument
```
String getSArgument(int index)
```

getBArgument
```
Boolean getBArgument(int index)
```

getIArgument
```
Long getIArgument(int index)
```

numIArguments
```
int numIArguments()
```

removeTArgument
```
void removeTArgument(Double arg)
```

getTArgument
```
Double getTArgument(int index)
```

numTArguments
```
int numTArguments()
```

numBArguments
```
int numBArguments()
```

numDArguments
```
int numDArguments()
```

numSArguments
```
int numSArguments()
```

addInputArgument

void addInputArgument(INDArray... arg)

removeInputArgument

void removeInputArgument(INDArray arg)

getInputArgument

INDArray getInputArgument(int index)

numInputArguments
```
int numInputArguments()
```

addOutputArgument

void addOutputArgument(INDArray... arg)

removeOutputArgument

void removeOutputArgument(INDArray arg)

getOutputArgument

INDArray getOutputArgument(int index)

numOutputArguments
```
int numOutputArguments()
```

calculateOutputShape
```
List<LongShapeDescriptor> calculateOutputShape()
```
Calculate the output shape for this op

Returns:

Output array shapes

calculateOutputShape
```
List<LongShapeDescriptor> calculateOutputShape(OpContext opContext)
```
Calculate the output shape for this op

Returns:

Output array shapes

getDescriptor
```
CustomOpDescriptor getDescriptor()
```
Get the custom op descriptor if one is available.

Returns:

assertValidForExecution
```
void assertValidForExecution()
```
Asserts a valid state for execution, otherwise throws an ND4JIllegalStateException

clearArrays
```
void clearArrays()
```
Clear the input and output INDArrays, if any are set

Interface CustomOp

Method Summary

Method Detail

configureFromArguments

opName

opHash

isInplaceCall

outputArguments

inputArguments

iArgs

tArgs

bArgs

dArgs

addTArgument

sArgs

addIArgument

addIArgument

addBArgument

addDArgument

removeIArgument

addSArgument

removeSArgument

getSArgument

getBArgument

getIArgument

numIArguments

removeTArgument

getTArgument

numTArguments

numBArguments

numDArguments

numSArguments

addInputArgument

removeInputArgument

getInputArgument

numInputArguments

addOutputArgument

removeOutputArgument

getOutputArgument

numOutputArguments

calculateOutputShape

calculateOutputShape

getDescriptor

assertValidForExecution

clearArrays