org.nd4j.linalg.api.ops.impl.scalar.ScalarReverseDivision 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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package org.nd4j.linalg.api.ops.impl.scalar;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseScalarOp;
import java.util.Collections;
import java.util.List;
public class ScalarReverseDivision extends BaseScalarOp {
public ScalarReverseDivision() {
}
public ScalarReverseDivision(INDArray x, INDArray y, INDArray z, Number num) {
super(x, y, z, num);
}
public ScalarReverseDivision(INDArray x, Number num) {
super(x, num);
}
public ScalarReverseDivision(SameDiff sameDiff, SDVariable i_v, Number scalar) {
super(sameDiff, i_v, scalar);
}
public ScalarReverseDivision(SameDiff sameDiff, SDVariable i_v, Number scalar, boolean inPlace) {
super(sameDiff, i_v, scalar, inPlace);
}
@Override
public int opNum() {
return 4;
}
@Override
public String opName() {
return "rdiv_scalar";
}
@Override
public String onnxName() {
return "RDiv";
}
@Override
public String tensorflowName() {
return "RDiv";
}
@Override
public List doDiff(List i_v1) {
SDVariable g = sameDiff.math.rdiv(sameDiff.math.pow(arg(), 2), -scalarValue.getDouble(0)).mul(i_v1.get(0));
return Collections.singletonList(g);
}
}