org.nd4j.linalg.api.ops.impl.transforms.gradient.LeakyReLUDerivative 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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.nd4j.linalg.api.ops.impl.transforms.gradient;
import lombok.NonNull;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.imports.NoOpNameFoundException;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseScalarOp;
import org.nd4j.linalg.api.ops.BaseTransformOp;
import org.nd4j.linalg.api.ops.BaseTransformStrictOp;
import java.util.Arrays;
import java.util.List;
/**Leaky ReLU derivative. Default alpha = 0.01. Cutoff = 0
*/
public class LeakyReLUDerivative extends BaseScalarOp {
private double alpha = 0.01;
public LeakyReLUDerivative(SameDiff sameDiff, SDVariable i_v, boolean inPlace, double alpha) {
super(sameDiff, i_v, alpha, inPlace);
this.alpha = alpha;
this.extraArgs = new Object[] {alpha};
}
public LeakyReLUDerivative(SameDiff sameDiff, SDVariable i_v, Object[] extraArgs, double alpha) {
super(sameDiff, i_v, alpha, extraArgs);
this.alpha = alpha;
this.extraArgs = new Object[] {alpha};
}
public LeakyReLUDerivative() {}
public LeakyReLUDerivative(INDArray x, INDArray z) {
this(x, z, 0.01);
}
public LeakyReLUDerivative(INDArray x) {
this(x,x,0.01);
}
public LeakyReLUDerivative(INDArray x, INDArray z, double alpha) {
super(x, null, z, alpha);
this.alpha = alpha;
this.extraArgs = new Object[] {alpha};
}
public LeakyReLUDerivative(INDArray x, double alpha) {
super(x, alpha);
this.alpha = alpha;
this.extraArgs = new Object[] {alpha};
}
@Override
public int opNum() {
return 36;
}
@Override
public String opName() {
return "leakyreluderivative";
}
@Override
public String onnxName() {
throw new NoOpNameFoundException("No onnx op opName found for " + opName());
}
@Override
public String tensorflowName() {
throw new NoOpNameFoundException("No tensorflow op opName found for " + opName());
}
@Override
public List doDiff(List i_v) {
throw new UnsupportedOperationException("Not supported");
}
}