org.nd4j.linalg.api.ops.impl.transforms.segment.bp.SegmentMeanBp Maven / Gradle / Ivy
/*
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* * 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.
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* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
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* * SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops.impl.transforms.segment.bp;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.common.base.Preconditions;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import java.util.Arrays;
import java.util.List;
public class SegmentMeanBp extends DynamicCustomOp {
public SegmentMeanBp(SameDiff sameDiff, SDVariable data, SDVariable segmentIds, SDVariable gradient) {
super(null, sameDiff, new SDVariable[] {data, segmentIds, gradient}, false);
}
public SegmentMeanBp(){ }
@Override
public String opName(){
return "segment_mean_bp";
}
@Override
public List calculateOutputDataTypes(List inputDataTypes){
Preconditions.checkState(inputDataTypes != null && inputDataTypes.size() == 3, "Expected exactly 3 input data types for %s, got %s", getClass(), inputDataTypes);
return Arrays.asList(inputDataTypes.get(0), inputDataTypes.get(1));
}
}