org.nd4j.linalg.api.ops.impl.layers.convolution.Col2Im 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.layers.convolution;
import lombok.Builder;
import lombok.Getter;
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.DynamicCustomOp;
import org.nd4j.linalg.api.ops.impl.layers.convolution.config.Conv2DConfig;
import org.nd4j.linalg.util.ArrayUtil;
import java.util.List;
import java.util.Map;
/**
* Col2Im operation.
*
* Created by agibsonccc on 3/9/16.
*/
@Getter
public class Col2Im extends DynamicCustomOp {
protected Conv2DConfig conv2DConfig;
@Builder(builderMethodName = "builder")
public Col2Im(SameDiff sameDiff, SDVariable[] inputFunctions, INDArray[] inputArrays, INDArray[] outputs, Conv2DConfig conv2DConfig) {
super(null,inputArrays,outputs);
if(sameDiff != null) {
this.sameDiff = sameDiff;
}
this.conv2DConfig = conv2DConfig;
addArgs();
}
public Col2Im(SameDiff sd, SDVariable input, Conv2DConfig config){
super(null, sd, new SDVariable[]{input});
this.conv2DConfig = config;
addArgs();
}
public Col2Im() {}
protected void addArgs() {
addIArgument(conv2DConfig.getSH());
addIArgument(conv2DConfig.getSW());
addIArgument(conv2DConfig.getPH());
addIArgument(conv2DConfig.getPW());
addIArgument(conv2DConfig.getKH());
addIArgument(conv2DConfig.getKW());
addIArgument(conv2DConfig.getDH());
addIArgument(conv2DConfig.getDW());
addIArgument(ArrayUtil.fromBoolean(conv2DConfig.isSameMode()));
}
@Override
public Map propertiesForFunction() {
return conv2DConfig.toProperties();
}
@Override
public String opName() {
return "col2im";
}
@Override
public List doDiff(List f1) {
throw new UnsupportedOperationException("Unable to run derivative op on col2im");
}
}