ai.djl.ndarray.NDArrayAdapter Maven / Gradle / Ivy
/*
* Copyright 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package ai.djl.ndarray;
import ai.djl.Device;
import ai.djl.ndarray.index.NDIndex;
import ai.djl.ndarray.internal.NDArrayEx;
import ai.djl.ndarray.types.DataType;
import ai.djl.ndarray.types.Shape;
import ai.djl.ndarray.types.SparseFormat;
import java.nio.Buffer;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.function.Function;
/**
* A base implementation of the {@link NDArray} that does nothing. This can be used for overriding
* the NDArray with only part of the interface implemented.
*
* This interface should only be used for the NDArray implementations that do not plan to
* implement a large portion of the interface. For the ones that do, they should directly implement
* {@link NDArray} so that the unsupported operations are better highlighted in the code.
*/
public abstract class NDArrayAdapter implements NDArray {
private static final String UNSUPPORTED_MSG =
"This NDArray implementation does not currently support this operation";
protected NDManager manager;
protected NDManager alternativeManager;
private NDArray alternativeArray;
protected Shape shape;
protected DataType dataType;
protected String name;
protected boolean isClosed;
protected String uid;
protected NDArrayAdapter(
NDManager manager,
NDManager alternativeManager,
Shape shape,
DataType dataType,
String uid) {
this.manager = manager;
this.alternativeManager = alternativeManager;
this.shape = shape;
this.dataType = dataType;
this.uid = uid;
}
/** {@inheritDoc} */
@Override
public NDManager getManager() {
return manager;
}
/** {@inheritDoc} */
@Override
public void attach(NDManager manager) {
detach();
this.manager = manager;
manager.attachInternal(getUid(), this);
alternativeManager = ((BaseNDManager) manager).getAlternativeManager();
if (alternativeManager == null) {
// to prevent hybrid engine memory leak
alternativeManager = manager;
}
}
/** {@inheritDoc} */
@Override
public void tempAttach(NDManager manager) {
NDManager original = this.manager;
detach();
this.manager = manager;
manager.tempAttachInternal(original, getUid(), this);
}
/** {@inheritDoc} */
@Override
public SparseFormat getSparseFormat() {
return SparseFormat.DENSE;
}
/** {@inheritDoc} */
@Override
public String getName() {
return name;
}
/** {@inheritDoc} */
@Override
public void setName(String name) {
this.name = name;
}
/** {@inheritDoc} */
@Override
public String getUid() {
return uid;
}
/** {@inheritDoc} */
@Override
public Device getDevice() {
return manager.getDevice();
}
/** {@inheritDoc} */
@Override
public DataType getDataType() {
if (isClosed) {
throw new IllegalStateException("Native resource has been release already.");
}
return dataType;
}
/** {@inheritDoc} */
@Override
public Shape getShape() {
if (isClosed) {
throw new IllegalStateException("Native resource has been release already.");
}
return shape;
}
/** {@inheritDoc} */
@Override
public NDArray toDevice(Device device, boolean copy) {
if (device.equals(getDevice())) {
if (copy) {
return duplicate();
}
return this;
}
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray toType(DataType dataType, boolean copy) {
if (dataType.equals(getDataType())) {
if (copy) {
return duplicate();
}
return this;
}
// TODO: each engine should override this method
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public void setRequiresGradient(boolean requiresGrad) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray getGradient() {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public boolean hasGradient() {
return false;
}
/** {@inheritDoc} */
@Override
public NDArray stopGradient() {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public String[] toStringArray(Charset charset) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray gather(NDArray index, int axis) {
return getAlternativeArray().gather(alternativeManager.from(index), axis);
}
/** {@inheritDoc} */
@Override
public NDArray gatherNd(NDArray index) {
return getAlternativeArray().gatherNd(alternativeManager.from(index));
}
/** {@inheritDoc} */
@Override
public NDArray take(NDManager manager, NDArray index) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray put(NDArray index, NDArray value) {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray scatter(NDArray index, NDArray value, int axis) {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray get(NDIndex index) {
return get(alternativeManager, index);
}
/** {@inheritDoc} */
@Override
public void set(Buffer buffer) {
NDArray array = manager.create(buffer, getShape(), getDataType());
intern(array);
array.detach();
}
/** {@inheritDoc} */
@Override
public void set(NDIndex index, NDArray value) {
getAlternativeArray().set(index, value);
set(alternativeArray.toByteBuffer());
}
/** {@inheritDoc} */
@Override
public void set(NDIndex index, Number value) {
getAlternativeArray().set(index, value);
set(alternativeArray.toByteBuffer());
}
/** {@inheritDoc} */
@Override
public void set(NDIndex index, Function function) {
getAlternativeArray().set(index, function);
set(alternativeArray.toByteBuffer());
}
/** {@inheritDoc} */
@Override
public void set(NDArray index, Number value) {
getAlternativeArray().set(index, value);
set(alternativeArray.toByteBuffer());
}
/** {@inheritDoc} */
@Override
public void setScalar(NDIndex index, Number value) {
getAlternativeArray().setScalar(index, value);
set(alternativeArray.toByteBuffer());
}
/** {@inheritDoc} */
@Override
public NDArray booleanMask(NDArray index, int axis) {
return getAlternativeArray().booleanMask(alternativeManager.from(index), axis);
}
/** {@inheritDoc} */
@Override
public NDArray sequenceMask(NDArray sequenceLength, float value) {
return getAlternativeArray().sequenceMask(alternativeManager.from(sequenceLength), value);
}
/** {@inheritDoc} */
@Override
public NDArray sequenceMask(NDArray sequenceLength) {
return sequenceMask(sequenceLength, 0);
}
/** {@inheritDoc} */
@Override
public boolean contentEquals(Number number) {
return Arrays.stream(toArray()).allMatch(n -> n.equals(number));
}
/** {@inheritDoc} */
@Override
public boolean contentEquals(NDArray other) {
if (other instanceof NDArrayAdapter) {
return getShape().equals(other.getShape())
&& Arrays.equals(toByteArray(), other.toByteArray());
}
return other.contentEquals(this);
}
/** {@inheritDoc} */
@Override
public NDArray eq(Number n) {
return getAlternativeArray().eq(n);
}
/** {@inheritDoc} */
@Override
public NDArray eq(NDArray other) {
return getAlternativeArray().eq(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray neq(Number n) {
return getAlternativeArray().neq(n);
}
/** {@inheritDoc} */
@Override
public NDArray neq(NDArray other) {
return getAlternativeArray().neq(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray gt(Number n) {
return getAlternativeArray().gt(n);
}
/** {@inheritDoc} */
@Override
public NDArray gt(NDArray other) {
return getAlternativeArray().gt(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray gte(Number n) {
return getAlternativeArray().gte(n);
}
/** {@inheritDoc} */
@Override
public NDArray gte(NDArray other) {
return getAlternativeArray().gte(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray lt(Number n) {
return getAlternativeArray().lt(n);
}
/** {@inheritDoc} */
@Override
public NDArray lt(NDArray other) {
return getAlternativeArray().lt(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray lte(Number n) {
return getAlternativeArray().lte(n);
}
/** {@inheritDoc} */
@Override
public NDArray lte(NDArray other) {
return getAlternativeArray().lte(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray add(Number n) {
return getAlternativeArray().add(n);
}
/** {@inheritDoc} */
@Override
public NDArray add(NDArray other) {
return getAlternativeArray().add(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray sub(Number n) {
return getAlternativeArray().sub(n);
}
/** {@inheritDoc} */
@Override
public NDArray sub(NDArray other) {
return getAlternativeArray().sub(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray mul(Number n) {
return getAlternativeArray().mul(n);
}
/** {@inheritDoc} */
@Override
public NDArray mul(NDArray other) {
return getAlternativeArray().mul(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray div(Number n) {
return getAlternativeArray().div(n);
}
/** {@inheritDoc} */
@Override
public NDArray div(NDArray other) {
return getAlternativeArray().div(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray mod(Number n) {
return getAlternativeArray().mod(n);
}
/** {@inheritDoc} */
@Override
public NDArray mod(NDArray other) {
return getAlternativeArray().mod(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray pow(Number n) {
return getAlternativeArray().pow(n);
}
/** {@inheritDoc} */
@Override
public NDArray pow(NDArray other) {
return getAlternativeArray().pow(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray addi(Number n) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray addi(NDArray other) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray subi(Number n) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray subi(NDArray other) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray muli(Number n) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray muli(NDArray other) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray divi(Number n) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray divi(NDArray other) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray modi(Number n) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray modi(NDArray other) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray powi(Number n) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray powi(NDArray other) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray sign() {
return getAlternativeArray().sign();
}
/** {@inheritDoc} */
@Override
public NDArray signi() {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray maximum(Number n) {
return getAlternativeArray().maximum(n);
}
/** {@inheritDoc} */
@Override
public NDArray maximum(NDArray other) {
return getAlternativeArray().maximum(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray minimum(Number n) {
return getAlternativeArray().minimum(n);
}
/** {@inheritDoc} */
@Override
public NDArray minimum(NDArray other) {
return getAlternativeArray().minimum(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray neg() {
return getAlternativeArray().neg();
}
/** {@inheritDoc} */
@Override
public NDArray negi() {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
/** {@inheritDoc} */
@Override
public NDArray abs() {
return getAlternativeArray().abs();
}
/** {@inheritDoc} */
@Override
public NDArray square() {
return getAlternativeArray().square();
}
/** {@inheritDoc} */
@Override
public NDArray sqrt() {
return getAlternativeArray().sqrt();
}
/** {@inheritDoc} */
@Override
public NDArray cbrt() {
return getAlternativeArray().cbrt();
}
/** {@inheritDoc} */
@Override
public NDArray floor() {
return getAlternativeArray().floor();
}
/** {@inheritDoc} */
@Override
public NDArray ceil() {
return getAlternativeArray().ceil();
}
/** {@inheritDoc} */
@Override
public NDArray round() {
return getAlternativeArray().round();
}
/** {@inheritDoc} */
@Override
public NDArray trunc() {
return getAlternativeArray().trunc();
}
/** {@inheritDoc} */
@Override
public NDArray exp() {
return getAlternativeArray().exp();
}
/** {@inheritDoc} */
@Override
public NDArray gammaln() {
return getAlternativeArray().gammaln();
}
/** {@inheritDoc} */
@Override
public NDArray log() {
return getAlternativeArray().log();
}
/** {@inheritDoc} */
@Override
public NDArray log10() {
return getAlternativeArray().log10();
}
/** {@inheritDoc} */
@Override
public NDArray log2() {
return getAlternativeArray().log2();
}
/** {@inheritDoc} */
@Override
public NDArray sin() {
return getAlternativeArray().sin();
}
/** {@inheritDoc} */
@Override
public NDArray cos() {
return getAlternativeArray().cos();
}
/** {@inheritDoc} */
@Override
public NDArray tan() {
return getAlternativeArray().tan();
}
/** {@inheritDoc} */
@Override
public NDArray asin() {
return getAlternativeArray().asin();
}
/** {@inheritDoc} */
@Override
public NDArray acos() {
return getAlternativeArray().acos();
}
/** {@inheritDoc} */
@Override
public NDArray atan() {
return getAlternativeArray().atan();
}
/** {@inheritDoc} */
@Override
public NDArray sinh() {
return getAlternativeArray().sinh();
}
/** {@inheritDoc} */
@Override
public NDArray cosh() {
return getAlternativeArray().cosh();
}
/** {@inheritDoc} */
@Override
public NDArray tanh() {
return getAlternativeArray().tanh();
}
/** {@inheritDoc} */
@Override
public NDArray asinh() {
return getAlternativeArray().asinh();
}
/** {@inheritDoc} */
@Override
public NDArray acosh() {
return getAlternativeArray().acosh();
}
/** {@inheritDoc} */
@Override
public NDArray atanh() {
return getAlternativeArray().atanh();
}
/** {@inheritDoc} */
@Override
public NDArray toDegrees() {
return getAlternativeArray().toDegrees();
}
/** {@inheritDoc} */
@Override
public NDArray toRadians() {
return getAlternativeArray().toRadians();
}
/** {@inheritDoc} */
@Override
public NDArray max() {
return getAlternativeArray().max();
}
/** {@inheritDoc} */
@Override
public NDArray max(int[] axes, boolean keepDims) {
return getAlternativeArray().max(axes, keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray min() {
return getAlternativeArray().min();
}
/** {@inheritDoc} */
@Override
public NDArray min(int[] axes, boolean keepDims) {
return getAlternativeArray().min(axes, keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray sum() {
return getAlternativeArray().sum();
}
/** {@inheritDoc} */
@Override
public NDArray sum(int[] axes, boolean keepDims) {
return getAlternativeArray().sum(axes, keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray cumProd(int axis) {
return getAlternativeArray().cumProd(axis);
}
/** {@inheritDoc} */
@Override
public NDArray cumProd(int axis, DataType dataType) {
return getAlternativeArray().cumProd(axis, dataType);
}
/** {@inheritDoc} */
@Override
public NDArray prod() {
return getAlternativeArray().prod();
}
/** {@inheritDoc} */
@Override
public NDArray prod(int[] axes, boolean keepDims) {
return getAlternativeArray().prod(axes, keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray mean() {
return getAlternativeArray().mean();
}
/** {@inheritDoc} */
@Override
public NDArray mean(int[] axes, boolean keepDims) {
return getAlternativeArray().mean(axes, keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray normalize(double p, long dim, double eps) {
return getAlternativeArray().normalize(p, dim, eps);
}
/** {@inheritDoc} */
@Override
public NDArray rotate90(int times, int[] axes) {
return getAlternativeArray().rotate90(times, axes);
}
/** {@inheritDoc} */
@Override
public NDArray trace(int offset, int axis1, int axis2) {
return getAlternativeArray().trace(offset, axis1, axis2);
}
/** {@inheritDoc} */
@Override
public NDList split(long sections, int axis) {
return getAlternativeArray().split(sections, axis);
}
/** {@inheritDoc} */
@Override
public NDList split(long[] indices, int axis) {
return getAlternativeArray().split(indices, axis);
}
/** {@inheritDoc} */
@Override
public NDArray flatten() {
return getAlternativeArray().flatten();
}
/** {@inheritDoc} */
@Override
public NDArray flatten(int startDim, int endDim) {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray fft(long length, long axis) {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray stft(
long nFft,
long hopLength,
boolean center,
NDArray window,
boolean normalize,
boolean returnComplex) {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray reshape(Shape shape) {
return getAlternativeArray().reshape(shape);
}
/** {@inheritDoc} */
@Override
public NDArray expandDims(int axis) {
return getAlternativeArray().expandDims(axis);
}
/** {@inheritDoc} */
@Override
public NDArray squeeze(int[] axes) {
return getAlternativeArray().squeeze(axes);
}
/** {@inheritDoc} */
@Override
public NDList unique(Integer dim, boolean sorted, boolean returnInverse, boolean returnCounts) {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray logicalAnd(NDArray other) {
return getAlternativeArray().logicalAnd(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray logicalOr(NDArray other) {
return getAlternativeArray().logicalOr(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray logicalXor(NDArray other) {
return getAlternativeArray().logicalXor(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray logicalNot() {
return getAlternativeArray().logicalNot();
}
/** {@inheritDoc} */
@Override
public NDArray argSort(int axis, boolean ascending) {
return getAlternativeArray().argSort(axis, ascending);
}
/** {@inheritDoc} */
@Override
public NDArray sort() {
return getAlternativeArray().sort();
}
/** {@inheritDoc} */
@Override
public NDArray sort(int axis) {
return getAlternativeArray().sort(axis);
}
/** {@inheritDoc} */
@Override
public NDArray softmax(int axis) {
return getAlternativeArray().softmax(axis);
}
/** {@inheritDoc} */
@Override
public NDArray logSoftmax(int axis) {
return getAlternativeArray().logSoftmax(axis);
}
/** {@inheritDoc} */
@Override
public NDArray cumSum() {
return getAlternativeArray().cumSum();
}
/** {@inheritDoc} */
@Override
public NDArray cumSum(int axis) {
return getAlternativeArray().cumSum(axis);
}
/** {@inheritDoc} */
@Override
public NDArray isInfinite() {
return getAlternativeArray().isInfinite();
}
/** {@inheritDoc} */
@Override
public NDArray isNaN() {
return getAlternativeArray().isNaN();
}
/** {@inheritDoc} */
@Override
public NDArray tile(long repeats) {
return getAlternativeArray().tile(repeats);
}
/** {@inheritDoc} */
@Override
public NDArray tile(int axis, long repeats) {
return getAlternativeArray().tile(axis, repeats);
}
/** {@inheritDoc} */
@Override
public NDArray tile(long[] repeats) {
return getAlternativeArray().tile(repeats);
}
/** {@inheritDoc} */
@Override
public NDArray tile(Shape desiredShape) {
return getAlternativeArray().tile(desiredShape);
}
/** {@inheritDoc} */
@Override
public NDArray repeat(long repeats) {
return getAlternativeArray().repeat(repeats);
}
/** {@inheritDoc} */
@Override
public NDArray repeat(int axis, long repeats) {
return getAlternativeArray().repeat(axis, repeats);
}
/** {@inheritDoc} */
@Override
public NDArray repeat(long[] repeats) {
return getAlternativeArray().repeat(repeats);
}
/** {@inheritDoc} */
@Override
public NDArray repeat(Shape desiredShape) {
return getAlternativeArray().repeat(desiredShape);
}
/** {@inheritDoc} */
@Override
public NDArray dot(NDArray other) {
return getAlternativeArray().dot(other);
}
/** {@inheritDoc} */
@Override
public NDArray matMul(NDArray other) {
return getAlternativeArray().matMul(other);
}
/** {@inheritDoc} */
@Override
public NDArray batchMatMul(NDArray other) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@Override
public NDArray xlogy(NDArray other) {
throw new UnsupportedOperationException();
}
/** {@inheritDoc} */
@Override
public NDArray clip(Number min, Number max) {
return getAlternativeArray().clip(min, max);
}
/** {@inheritDoc} */
@Override
public NDArray flip(int... axes) {
return getAlternativeArray().flip(axes);
}
/** {@inheritDoc} */
@Override
public NDArray transpose() {
return getAlternativeArray().transpose();
}
/** {@inheritDoc} */
@Override
public NDArray transpose(int... axes) {
return getAlternativeArray().transpose(axes);
}
/** {@inheritDoc} */
@Override
public NDArray broadcast(Shape shape) {
return getAlternativeArray().broadcast(shape);
}
/** {@inheritDoc} */
@Override
public NDArray argMax() {
return getAlternativeArray().argMax();
}
/** {@inheritDoc} */
@Override
public NDArray argMax(int axis) {
return getAlternativeArray().argMax(axis);
}
/** {@inheritDoc} */
@Override
public NDArray argMin() {
return getAlternativeArray().argMin();
}
/** {@inheritDoc} */
@Override
public NDArray argMin(int axis) {
return getAlternativeArray().argMin(axis);
}
/** {@inheritDoc} */
@Override
public NDArray percentile(Number percentile) {
return getAlternativeArray().percentile(percentile);
}
/** {@inheritDoc} */
@Override
public NDArray percentile(Number percentile, int[] axes) {
return getAlternativeArray().percentile(percentile, axes);
}
/** {@inheritDoc} */
@Override
public NDArray median() {
return getAlternativeArray().median();
}
/** {@inheritDoc} */
@Override
public NDArray median(int[] axes) {
return getAlternativeArray().median(axes);
}
/** {@inheritDoc} */
@Override
public NDArray toDense() {
return getAlternativeArray().toDense();
}
/** {@inheritDoc} */
@Override
public NDArray toSparse(SparseFormat fmt) {
return getAlternativeArray().toSparse(fmt);
}
/** {@inheritDoc} */
@Override
public NDArray nonzero() {
return getAlternativeArray().nonzero();
}
/** {@inheritDoc} */
@Override
public NDArray erfinv() {
return getAlternativeArray().erfinv();
}
/** {@inheritDoc} */
@Override
public NDArray inverse() {
return getAlternativeArray().inverse();
}
/** {@inheritDoc} */
@Override
public NDArray norm(boolean keepDims) {
return getAlternativeArray().norm(keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray norm(int ord, int[] axes, boolean keepDims) {
return getAlternativeArray().norm(ord, axes, keepDims);
}
/** {@inheritDoc} */
@Override
public NDArray oneHot(int depth, float onValue, float offValue, DataType dataType) {
return getAlternativeArray().oneHot(depth, onValue, offValue, dataType);
}
/** {@inheritDoc} */
@Override
public NDArray batchDot(NDArray other) {
return getAlternativeArray().batchDot(alternativeManager.from(other));
}
/** {@inheritDoc} */
@Override
public NDArray complex() {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArray real() {
throw new UnsupportedOperationException("Not implemented yet.");
}
/** {@inheritDoc} */
@Override
public NDArrayEx getNDArrayInternal() {
NDArray array = getAlternativeArray();
if (array instanceof NDArrayAdapter) {
throw new UnsupportedOperationException("Operation not supported.");
}
return array.getNDArrayInternal();
}
/** {@inheritDoc} */
@Override
public boolean isReleased() {
return isClosed;
}
/** {@inheritDoc} */
@Override
public void close() {
if (!isClosed) {
manager.detachInternal(getUid());
isClosed = true;
if (alternativeArray != null) {
alternativeArray.close();
alternativeArray = null;
}
}
}
/** {@inheritDoc} */
@Override
public boolean equals(Object obj) {
if (obj instanceof NDArray) {
return contentEquals((NDArray) obj);
}
return false;
}
/** {@inheritDoc} */
@Override
public int hashCode() {
return 0;
}
/** {@inheritDoc} */
@Override
public String toString() {
if (isClosed) {
return "This array is already closed";
}
return toDebugString();
}
private NDArray getAlternativeArray() {
if (alternativeManager == null) {
throw new UnsupportedOperationException(UNSUPPORTED_MSG);
}
if (alternativeArray == null) {
alternativeArray = alternativeManager.from(this);
} else {
alternativeArray.set(getDataType().asDataType(toByteBuffer()));
}
return alternativeArray;
}
}