org.nd4j.linalg.api.ops.impl.transforms.Constant Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* 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.
*
* 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.impl.transforms;
import lombok.Data;
import org.nd4j.autodiff.functions.DifferentialFunction;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.imports.NoOpNameFoundException;
import org.nd4j.linalg.api.ops.BaseTransformOp;
import org.nd4j.linalg.api.ops.BaseTransformSameOp;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
@Data
public class Constant extends BaseTransformSameOp {
public Constant() {
}
protected Constant(SameDiff sameDiff,
SDVariable i_v,
long[] shape,
boolean inPlace) {
super();
sameDiff.putOrUpdateShapeForVarName(i_v.getVarName(), shape, false);
this.xVertexId = i_v.getVarName();
this.inPlace = inPlace;
this.sameDiff = sameDiff;
}
public Constant(SameDiff sameDiff, SDVariable i_v, long[] shape) {
this(sameDiff, i_v, shape, false);
}
@Override
public List doDiff(List i_v) {
return Collections.singletonList(sameDiff.zerosLike(arg()));
}
@Override
public DifferentialFunction dup() {
Constant ret = new Constant(sameDiff, sameDiff.getVariable(outputVariables()[0].getVarName())
, sameDiff.getShapeForVarName(outputVariables()[0].getVarName()));
Constant differentialFunction = ret;
return differentialFunction;
}
@Override
public int opNum() {
return 15;
}
@Override
public String opName() {
return "constant";
}
@Override
public String onnxName() {
throw new NoOpNameFoundException("No onnx op opName found for " + opName());
}
@Override
public String tensorflowName() {
throw new NoOpNameFoundException("No tensorflow opName found for " + opName());
}
}