org.nd4j.linalg.api.ops.impl.shape.MergeMax 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.shape;
import lombok.extern.slf4j.Slf4j;
import onnx.Onnx;
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.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.nd4j.linalg.api.ops.impl.shape.bp.MergeMaxBp;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.*;
@Slf4j
public class MergeMax extends DynamicCustomOp {
public MergeMax(SameDiff sameDiff, SDVariable... inputs) {
super(null, sameDiff, inputs);
}
public MergeMax(INDArray... inputs){
super(inputs, null);
}
public MergeMax(){ }
@Override
public String opName() {
return "mergemax";
}
/*
@Override
public List calculateOutputShape() {
List ret = new ArrayList<>(1);
ret.add(arg().getShapeDescriptor());
return ret;
}
*/
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
// no-op
}
@Override
public void initFromOnnx(Onnx.NodeProto node, SameDiff initWith, Map attributesForNode, Onnx.GraphProto graph) {
super.initFromOnnx(node, initWith, attributesForNode, graph);
}
@Override
public List doDiff(List i_v) {
return Arrays.asList(new MergeMaxBp(sameDiff, args(), i_v.get(0)).outputVariables());
}
@Override
public List calculateOutputDataTypes(List dataTypes){
DataType first = dataTypes.get(0);
for( int i=1; i