org.nd4j.linalg.api.ops.impl.transforms.pairwise.arithmetic.MergeAddOp Maven / Gradle / Ivy
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* * terms of the Apache License, Version 2.0 which is available at
* * https://www.apache.org/licenses/LICENSE-2.0.
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* * 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.pairwise.arithmetic;
import lombok.NoArgsConstructor;
import lombok.NonNull;
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.impl.transforms.BaseDynamicTransformOp;
import org.nd4j.linalg.api.ops.impl.transforms.pairwise.arithmetic.bp.MergeAddBp;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
@NoArgsConstructor
public class MergeAddOp extends BaseDynamicTransformOp {
public MergeAddOp(SameDiff sameDiff, SDVariable[] args, boolean inPlace) {
super(sameDiff, args, inPlace);
}
public MergeAddOp(SameDiff sameDiff, SDVariable[] args) {
this(sameDiff, args, false);
}
public MergeAddOp(@NonNull INDArray... inputs){
this(inputs, null);
}
public MergeAddOp(INDArray[] inputs, INDArray[] outputs) {
super(inputs, outputs);
}
@Override
public String opName() {
return "mergeadd";
}
@Override
public String onnxName() {
return "mergeadd";
}
@Override
public String[] tensorflowNames(){
return new String[]{"add_n", "AccumulateNV2"};
}
@Override
public List doDiff(List i_v) {
return Arrays.asList(new MergeAddBp(sameDiff, args(), i_v.get(0)).outputVariables());
}
@Override
public List calculateOutputDataTypes(List dataTypes) {
DataType first = dataTypes.get(0);
for( int i = 1; i < dataTypes.size(); i++) {
Preconditions.checkState(first == dataTypes.get(i), "Expected all input datatypes to be the same: first input is %s, input %s is %s", first, i, dataTypes.get(i));
}
return Collections.singletonList(first);
}
}