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/*
* ******************************************************************************
* *
* *
* * 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.impl.scalar;
import java.util.List;
import java.util.Map;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseScalarOp;
import org.nd4j.linalg.api.ops.impl.transforms.gradient.LeakyReLUBp;
import org.nd4j.linalg.factory.Nd4j;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
public class LeakyReLU extends BaseScalarOp {
public static final double DEFAULT_ALPHA = 0.01;
private double alpha = DEFAULT_ALPHA;
public LeakyReLU(SameDiff sameDiff, SDVariable i_v, boolean inPlace, double alpha) {
super(sameDiff, i_v, alpha, inPlace);
this.alpha = alpha;
this.extraArgs = new Object[]{alpha};
}
public LeakyReLU(SameDiff sameDiff, SDVariable i_v, double alpha) {
this(sameDiff, i_v, false, alpha);
}
public LeakyReLU(SameDiff sameDiff, SDVariable i_v, Object[] extraArgs, double alpha) {
super(sameDiff, i_v, alpha, extraArgs);
this.alpha = alpha;
this.extraArgs = new Object[]{alpha};
}
public LeakyReLU() {
super();
}
public LeakyReLU(INDArray x, double alpha) {
super(x, alpha);
this.alpha = alpha;
this.extraArgs = new Object[]{alpha};
}
public LeakyReLU(INDArray x, INDArray z, double alpha) {
super(x, null, z, alpha);
this.alpha = alpha;
this.extraArgs = new Object[]{alpha};
}
public LeakyReLU(INDArray x, INDArray z) {
this(x, z, 0.01);
}
public LeakyReLU(INDArray x) {
super(x, 0.01);
}
@Override
public int opNum() {
return 35;
}
@Override
public String opName() {
return "leakyrelu";
}
@Override
public String onnxName() {
return "LeakyRelu";
}
@Override
public String tensorflowName() {
return "LeakyRelu";
}
@Override
public void setPropertiesForFunction(Map properties) {
super.setPropertiesForFunction(properties);
}
public LeakyReLU(SameDiff sameDiff, SDVariable i_v, Number scalar) {
super(sameDiff, i_v, scalar);
}
@Override
public List doDiff(List i_v) {
return new LeakyReLUBp(sameDiff, arg(), i_v.get(0), alpha).outputs();
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode,
GraphDef graph) {
alpha = attributesForNode.get("alpha").getF();
extraArgs = new Object[]{alpha};
this.setScalar(Nd4j.scalar(org.nd4j.linalg.api.buffer.DataType.FLOAT, alpha));
}
}