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 *  * This program and the accompanying materials are made available under the
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 *  * https://www.apache.org/licenses/LICENSE-2.0.
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 *  *  information regarding copyright ownership.
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package org.nd4j.linalg.api.ops.impl.reduce3;

import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.factory.Nd4j;

import java.util.Arrays;
import java.util.List;

public class EqualsWithEps extends BaseReduce3Op {
    private double eps;

    public EqualsWithEps(SameDiff sameDiff, SDVariable i_v, int[] dimensions, double eps) {
        super(sameDiff, i_v, dimensions);
        this.eps = eps;
    }

    public EqualsWithEps(SameDiff sameDiff, SDVariable i_v, SDVariable i_v2, int[] dimensions, double eps) {
        super(sameDiff, i_v, i_v2, dimensions);
        this.eps = eps;
    }

    public EqualsWithEps() {}

    public EqualsWithEps(INDArray x, INDArray y, INDArray z, double eps, int... dimensions) {
        super(x, y, z, false, dimensions);
        this.extraArgs = new Object[] {0.0, 0.0, eps};
    }

    public EqualsWithEps(INDArray x, INDArray y, double eps, int... dimensions) {
        this(x, y, null, eps, dimensions);
    }

    public EqualsWithEps(INDArray x, INDArray y, INDArray z) {
        this(x, y, z, Nd4j.EPS_THRESHOLD, null);
    }

    @Override
    public int opNum() {
        return 4;
    }

    @Override
    public String opName() {
        return "equals_with_eps";
    }

    @Override
    public List doDiff(List f1) {
        return Arrays.asList(outputVariables()[0]);
    }
}




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