org.deeplearning4j.arbiter.conf.dropout.DropoutSpace 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.deeplearning4j.arbiter.conf.dropout;
import lombok.AllArgsConstructor;
import lombok.NoArgsConstructor;
import org.deeplearning4j.arbiter.optimize.api.AbstractParameterSpace;
import org.deeplearning4j.arbiter.optimize.api.ParameterSpace;
import org.deeplearning4j.nn.conf.dropout.Dropout;
import org.deeplearning4j.nn.conf.dropout.IDropout;
import java.util.List;
@AllArgsConstructor
@NoArgsConstructor
public class DropoutSpace extends AbstractParameterSpace {
private ParameterSpace dropout;
@Override
public Dropout getValue(double[] parameterValues) {
double p = dropout.getValue(parameterValues);
if(p == 0){
//Special case: 0 dropout = "disabled" in DL4J. But Dropout class doesn't support this
return null;
}
return new Dropout(p);
}
@Override
public int numParameters() {
return dropout.numParameters();
}
@Override
public List collectLeaves() {
return dropout.collectLeaves();
}
@Override
public boolean isLeaf() {
return false;
}
@Override
public void setIndices(int... indices) {
dropout.setIndices(indices);
}
}