48 lines
1.7 KiB
Java
48 lines
1.7 KiB
Java
/*
|
|
* ******************************************************************************
|
|
* *
|
|
* *
|
|
* * 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.deeplearning4j.nn.weights;
|
|
|
|
import lombok.Data;
|
|
import lombok.EqualsAndHashCode;
|
|
import lombok.NoArgsConstructor;
|
|
import org.nd4j.linalg.api.ndarray.INDArray;
|
|
import org.nd4j.linalg.factory.Nd4j;
|
|
|
|
@Data
|
|
@NoArgsConstructor
|
|
public class WeightInitVarScalingUniformFanOut implements IWeightInit {
|
|
|
|
private Double scale;
|
|
|
|
public WeightInitVarScalingUniformFanOut(Double scale){
|
|
this.scale = scale;
|
|
}
|
|
|
|
@Override
|
|
public INDArray init(double fanIn, double fanOut, long[] shape, char order, INDArray paramView) {
|
|
double scalingFanOut = 3.0 / Math.sqrt(fanOut);
|
|
if(scale != null)
|
|
scalingFanOut *= scale;
|
|
Nd4j.rand(paramView, Nd4j.getDistributions().createUniform(-scalingFanOut, scalingFanOut));
|
|
return paramView.reshape(order, shape);
|
|
}
|
|
}
|