org.nd4j.linalg.api.ops.CustomOp Maven / Gradle / Ivy
/*
* ******************************************************************************
* *
* *
* * This program and the accompanying materials are made available under the
* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License 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.
* *
* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
package org.nd4j.linalg.api.ops;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.shape.LongShapeDescriptor;
import java.util.List;
public interface CustomOp {
/**
* This method returns op opName as string
* @return
*/
String opName();
/**
* This method returns LongHash of the opName()
* @return
*/
long opHash();
/**
* This method returns true if op is supposed to be executed inplace
* @return
*/
boolean isInplaceCall();
List outputArguments();
List inputArguments();
long[] iArgs();
double[] tArgs();
boolean[] bArgs();
DataType[] dArgs();
void addTArgument(double... arg);
void addIArgument(int... arg);
void addIArgument(long... arg);
void addBArgument(boolean... arg);
void addDArgument(DataType... arg);
void removeIArgument(Integer arg);
Boolean getBArgument(int index);
Long getIArgument(int index);
int numIArguments();
void removeTArgument(Double arg);
Double getTArgument(int index);
int numTArguments();
int numBArguments();
int numDArguments();
void addInputArgument(INDArray... arg);
void removeInputArgument(INDArray arg);
INDArray getInputArgument(int index);
int numInputArguments();
void addOutputArgument(INDArray... arg);
void removeOutputArgument(INDArray arg);
INDArray getOutputArgument(int index);
int numOutputArguments();
/**
* Calculate the output shape for this op
* @return Output array shapes
*/
List calculateOutputShape();
/**
* Calculate the output shape for this op
* @return Output array shapes
*/
List calculateOutputShape(OpContext opContext);
/**
* Get the custom op descriptor if one is available.
* @return
*/
CustomOpDescriptor getDescriptor();
/**
* Asserts a valid state for execution,
* otherwise throws an {@link org.nd4j.linalg.exception.ND4JIllegalStateException}
*/
void assertValidForExecution();
/**
* Clear the input and output INDArrays, if any are set
*/
void clearArrays();
}