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/*
* ******************************************************************************
* *
* *
* * 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.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * 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.reduce.floating;
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.BaseReduceFloatOp;
import org.nd4j.linalg.api.ops.impl.reduce.bp.MeanBp;
import java.util.Collections;
import java.util.List;
public class AMean extends BaseReduceFloatOp {
public AMean(SameDiff sameDiff, SDVariable i_v, int[] dimensions) {
super(sameDiff, i_v, dimensions);
}
public AMean(SameDiff sameDiff, SDVariable i_v, boolean keepDims, SDVariable dimensions) {
super(sameDiff, i_v, keepDims, dimensions);
}
public AMean(SameDiff sameDiff, SDVariable i_v, SDVariable i_v2, SDVariable dimensions) {
super(sameDiff, i_v, i_v2, dimensions);
}
public AMean(SameDiff sameDiff, SDVariable input, SDVariable dimensions, boolean keepDims) {
super(sameDiff, input, dimensions, keepDims);
}
public AMean(SameDiff sameDiff, SDVariable input, SDVariable dimensions) {
super(sameDiff, input, dimensions);
}
public AMean(INDArray input, INDArray output, boolean keepDims, int... dimensions) {
super(input, output, keepDims, dimensions);
}
public AMean(INDArray x, INDArray y, INDArray z, int... dimensions) {
super(x, y, z, dimensions);
}
public AMean(SameDiff sameDiff, SDVariable i_v, SDVariable i_v2, int[] dimensions) {
super(sameDiff, i_v, i_v2, dimensions);
}
public AMean(SameDiff sameDiff, SDVariable input, int[] dimensions, boolean keepDims) {
super(sameDiff, input, dimensions, keepDims);
}
public AMean() {}
public AMean(INDArray x, INDArray z, int... dimensions) {
super(x, null, z, dimensions);
}
public AMean(INDArray x, int... dimensions) {
super(x);
}
public AMean(INDArray in, boolean keepDims, int[] dimensions) {
super(in,keepDims,dimensions);
}
public AMean(INDArray in, INDArray dimensions, boolean keepDims) {
super(in,keepDims,dimensions.toIntVector());
}
public AMean(INDArray x, INDArray y, INDArray z, boolean keepDims, int... dimensions) {
super(x, y, z, keepDims, dimensions);
}
public AMean(SameDiff sameDiff, SDVariable i_v, boolean keepDims, int[] dimensions) {
super(sameDiff, i_v, keepDims, dimensions);
}
public AMean(INDArray in, int[] dimensions, boolean keepDims) {
super(in,keepDims,dimensions);
}
@Override
public int opNum() {
return 1;
}
@Override
public String opName() {
return "amean";
}
@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 doDiff(List f1) {
SDVariable sgn = sameDiff.math().sign(arg());
SDVariable meanBp = new MeanBp(sameDiff, sameDiff.math().abs(arg()), f1.get(0), false, dimensions).outputVariable();
return Collections.singletonList(sgn.mul(meanBp));
}
}