org.nd4j.linalg.api.ops.impl.transforms.BinCount 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;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.base.Preconditions;
import org.nd4j.imports.graphmapper.tf.TFGraphMapper;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.util.ArrayUtil;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.List;
import java.util.Map;
/**
* BinCount: counts the number of times each value appears in an integer array.
*
* @author Alex Black
*/
public class BinCount extends DynamicCustomOp {
private Integer minLength;
private Integer maxLength;
public BinCount(){ }
public BinCount(SameDiff sd, SDVariable in, SDVariable weights, Integer minLength, Integer maxLength){
super(sd, new SDVariable[]{in}, false);
Preconditions.checkState((minLength == null) != (maxLength == null), "Cannot have only one of minLength and maxLength" +
"non-null: both must be simultaneously null or non-null. minLength=%s, maxLength=%s", minLength, maxLength);
this.minLength = minLength;
this.maxLength = maxLength;
addArgs();
}
private void addArgs(){
if(minLength != null)
addIArgument(minLength);
if(maxLength != null)
addIArgument(maxLength);
}
@Override
public String opName(){
return "bincount";
}
@Override
public String tensorflowName() {
return "Bincount";
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
System.out.println();
}
@Override
public List doDiff(List i_v) {
throw new UnsupportedOperationException("Not supported");
}
}