org.nd4j.linalg.api.ops.impl.transforms.custom.BitsHammingDistance Maven / Gradle / Ivy
package org.nd4j.linalg.api.ops.impl.transforms.custom;
import lombok.NonNull;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.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;
public class BitsHammingDistance extends DynamicCustomOp {
public BitsHammingDistance(){ }
public BitsHammingDistance(@NonNull SameDiff sd, @NonNull SDVariable x, @NonNull SDVariable y){
super(sd, new SDVariable[]{x, y});
}
public BitsHammingDistance(@NonNull INDArray x, @NonNull INDArray y){
super(new INDArray[]{x, y}, null);
}
@Override
public String opName() {
return "bits_hamming_distance";
}
@Override
public List calculateOutputDataTypes(List dataTypes){
Preconditions.checkState(dataTypes != null && dataTypes.size() == 2, "Expected 2 input datatypes, got %s", dataTypes);
Preconditions.checkState(dataTypes.get(0).isIntType() && dataTypes.get(1).isIntType(), "Input datatypes must be integer type, got %s", dataTypes);
return Collections.singletonList(DataType.LONG);
}
}