org.nd4j.linalg.api.ops.impl.shape.MergeMaxIndex 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.
* * Unless required by applicable law or agreed to in writing, software
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* * SPDX-License-Identifier: Apache-2.0
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package org.nd4j.linalg.api.ops.impl.shape;
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.DynamicCustomOp;
import java.util.Collections;
import java.util.List;
@NoArgsConstructor
public class MergeMaxIndex extends DynamicCustomOp {
private DataType dataType = DataType.INT32;
public MergeMaxIndex(@NonNull SameDiff sameDiff, @NonNull SDVariable... inputs) {
super("mergemaxindex", sameDiff, inputs);
addIArgument(dataType.toInt());
}
public MergeMaxIndex(@NonNull INDArray... inputs) {
super("mergemaxindex", inputs, null);
Preconditions.checkArgument(areEqualShapes(inputs), "All inputs have to be equal shapes");
addIArgument(dataType.toInt());
}
public MergeMaxIndex(@NonNull SameDiff sd, @NonNull SDVariable[] x, @NonNull DataType dataType) {
super("mergemaxindex", sd, x);
this.dataType = dataType;
addIArgument(dataType.toInt());
}
public MergeMaxIndex(@NonNull INDArray[] x, @NonNull DataType dataType) {
super(x, null);
Preconditions.checkArgument(areEqualShapes(x), "All inputs have to be equal shapes");
this.dataType = dataType;
addIArgument(dataType.toInt());
}
protected static boolean areEqualShapes(INDArray... inputs) {
for (INDArray input : inputs) {
if (!inputs[0].equalShapes(input)) {
return false;
}
}
return true;
}
@Override
public String opName() {
return "mergemaxindex";
}
@Override
public List calculateOutputDataTypes(List dataTypes) {
return Collections.singletonList(this.dataType);
}
}