org.nd4j.linalg.api.ops.impl.broadcast.BiasAdd 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.broadcast;
import lombok.NoArgsConstructor;
import lombok.val;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.factory.Nd4j;
import org.nd4j.linalg.util.ArrayUtil;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.*;
/**
* Bias addition gradient operation.
*/
@NoArgsConstructor
public class BiasAdd extends DynamicCustomOp {
public BiasAdd(SameDiff sameDiff, SDVariable input, SDVariable bias) {
super(null, sameDiff, new SDVariable[] {input, bias}, false);
}
@Override
public String opName() {
return "biasadd";
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
super.initFromTensorFlow(nodeDef, initWith, attributesForNode, graph);
}
@Override
public String onnxName() {
return "BiasAdd";
}
@Override
public String[] tensorflowNames() {
return new String[]{"BiasAdd","BiasAddV1"};
}
@Override
public List doDiff(List gradient){
return Arrays.asList(f().biasAddBp(arg(0), arg(1), gradient.get(0)));
}
}