/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * 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.
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

package org.nd4j.linalg.api.ops.impl.scalar;

import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.imports.NoOpNameFoundException;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.ops.BaseScalarOp;
import org.nd4j.linalg.api.ops.BaseTransformOp;

import java.util.List;

/**
 * Element-wise "Replace NaN" implementation as Op
 *
 * @author raver119@gmail.com
 */
public class ReplaceNans extends BaseScalarOp {

    private double set;

    public ReplaceNans(SameDiff sameDiff, SDVariable i_v, boolean inPlace, double set) {
        super(sameDiff, i_v, set, inPlace);
        this.set = set;
    }

    public ReplaceNans(SameDiff sameDiff, SDVariable i_v, Object[] extraArgs, double set) {
        super(sameDiff, i_v, set, extraArgs);
        this.set = set;
    }

    public ReplaceNans() {

    }

    public ReplaceNans(INDArray x, double set) {
        super(x, null, x, set);
        this.set = set;
        this.extraArgs = new Object[] {set};
    }

    public ReplaceNans(INDArray x, INDArray z, double set) {
        super(x, z, set);
        this.set = set;
        this.extraArgs = new Object[] {set};
    }

    @Override
    public int opNum() {
        return 37;
    }

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

    @Override
    public String onnxName() {
        throw new NoOpNameFoundException("No onnx op opName found for " +  opName());
    }

    @Override
    public String tensorflowName() {
        throw new NoOpNameFoundException("No tensorflow op opName found for " +  opName());
    }

    @Override
    public List<SDVariable> doDiff(List<SDVariable> f1) {
        return null;
    }
}

