org.nd4j.linalg.api.ops.impl.controlflow.compat.StopGradient Maven / Gradle / Ivy
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* 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.
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* SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops.impl.controlflow.compat;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ops.impl.transforms.BaseDynamicTransformOp;
import java.util.Collections;
import java.util.List;
public class StopGradient extends BaseDynamicTransformOp {
public StopGradient(){ }
public StopGradient(SameDiff sd, SDVariable in){
super(sd, new SDVariable[]{in}, false);
}
@Override
public String opName() {
return "stop_gradient";
}
@Override
public String tensorflowName() {
return "StopGradient";
}
@Override
public List calculateOutputDataTypes(List input){
return input;
}
@Override
public List doDiff(List gradients){
return Collections.singletonList(f().zerosLike(arg()));
}
}