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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.
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* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
package org.nd4j.linalg.api.ops.impl.reduce.bp;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.common.base.Preconditions;
import org.nd4j.linalg.api.buffer.DataType;
import org.nd4j.linalg.api.ndarray.INDArray;
import java.util.Arrays;
import java.util.List;
public class DotBp extends BaseReductionBp {
public DotBp() {
}
public DotBp(SameDiff sameDiff, SDVariable origInput, SDVariable gradAtOutput, boolean keepDims, int... dimensions) {
super(sameDiff, origInput, gradAtOutput, keepDims, dimensions);
addArgs();
}
public DotBp(SameDiff sameDiff, SDVariable origInput1, SDVariable origInput2, SDVariable gradAtOutput, boolean keepDims, int... dimensions) {
super(sameDiff, origInput1, origInput2, gradAtOutput, keepDims, dimensions);
addArgs();
}
public DotBp(INDArray origInput, INDArray gradAtOutput, INDArray output, boolean keepDims, int... dimensions) {
super(origInput, gradAtOutput, output, keepDims, dimensions);
addArgs();
}
public DotBp(INDArray origInput1, INDArray origInput2, INDArray gradAtOutput, INDArray output, boolean keepDims, int... dimensions){
super(origInput1, origInput2, gradAtOutput, output, keepDims, dimensions);
addArgs();
}
public DotBp(INDArray origInput1, INDArray origInput2, INDArray gradAtOutput,
INDArray outputX, INDArray outputY, boolean keepDims, int... dimensions) {
super(origInput1, origInput2, gradAtOutput, outputX, outputY, keepDims, dimensions);
addArgs();
}
public DotBp(INDArray origInput, INDArray gradAtOutput, INDArray output, boolean keepDims, INDArray dimensions) {
super(origInput, gradAtOutput, output, keepDims, dimensions);
addArgs();
}
public DotBp(SameDiff sameDiff, SDVariable origInput, SDVariable gradAtOutput, boolean keepDims, SDVariable dimensions) {
super(sameDiff, origInput, gradAtOutput, keepDims, dimensions);
addArgs();
}
@Override
public String opName() {
return "reduce_dot_bp";
}
@Override
public List calculateOutputDataTypes(List dataTypes){
Preconditions.checkState(dataTypes != null && dataTypes.size() == 3, "Expected exactly 3 input datatype for %s, got input %s", getClass(), dataTypes);
Preconditions.checkState(dataTypes.get(0).isFPType(), "First input must be a floating point type, got %s", dataTypes.get(0));
Preconditions.checkState(dataTypes.get(1).isFPType(), "Second input (gradient at reduction output) must be a floating point type, got %s", dataTypes.get(1));
Preconditions.checkState(dataTypes.get(2).isFPType(), "Second input (gradient at reduction output) must be a floating point type, got %s", dataTypes.get(2));
return Arrays.asList(dataTypes.get(0), dataTypes.get(0));
}
}
