org.nd4j.linalg.api.ops.random.custom.RandomPoisson 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.random.custom;
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.imports.descriptors.properties.adapters.DataTypeAdapter;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.DynamicCustomOp;
import org.tensorflow.framework.AttrValue;
import org.tensorflow.framework.GraphDef;
import org.tensorflow.framework.NodeDef;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
@NoArgsConstructor
public class RandomPoisson extends DynamicCustomOp {
private DataType outputDataType = DataType.FLOAT;
public RandomPoisson(@NonNull INDArray shape, @NonNull INDArray rate, int... seeds) {
addInputArgument(shape, rate);
addIArgument(seeds);
}
public RandomPoisson(@NonNull INDArray shape, @NonNull INDArray rate) {
this(shape, rate, 0,0);
}
public RandomPoisson(@NonNull SameDiff sameDiff, @NonNull SDVariable shape, @NonNull SDVariable rate, int... seeds) {
super(null, sameDiff, new SDVariable[]{shape, rate});
addIArgument(seeds);
}
@Override
public String opName() {
return "random_poisson";
}
@Override
public String[] tensorflowNames() {
return new String[]{"RandomPoisson","RandomPoissonV2"};
}
@Override
public void initFromTensorFlow(NodeDef nodeDef, SameDiff initWith, Map attributesForNode, GraphDef graph) {
//TODO: change op descriptor to have proper data type matching java
if(attributesForNode.containsKey("dtype")) {
outputDataType = DataTypeAdapter.dtypeConv(attributesForNode.get("dtype").getType());
}
}
@Override
public List calculateOutputDataTypes(List inputDataTypes){
Preconditions.checkState(inputDataTypes.size() == 2, "Expected exactly 2 input datatypes for %s, got %s",
getClass(), inputDataTypes.size());
if(!dArguments.isEmpty())
return Arrays.asList(dArguments.get(0));
return Collections.singletonList(outputDataType);
}
}