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deeplearning4j--deeplearning4j/libnd4j/include/ops/declarable/helpers/segment.h
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2026-07-13 12:47:05 +08:00

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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
******************************************************************************/
//
// @author sgazeos@gmail.com
// @brief helpers fuctions for segment_* ops (segment_max, segment_min, etc.)
// @brief helpers fuctions for unsorted_segment_* ops (unsorted_segment_max, etc.)
//
#ifndef __SEGMENT_HELPERS__
#define __SEGMENT_HELPERS__
#include <array/NDArray.h>
#include <system/op_boilerplate.h>
namespace sd {
namespace ops {
namespace helpers {
SD_LIB_HIDDEN bool segmentIndicesValidate(LaunchContext* context, NDArray* indices, NDArray& expected,
NDArray& output);
SD_LIB_HIDDEN bool unsortedSegmentIndicesValidate(LaunchContext* context, NDArray* indices, LongType numOfClasses,
LongType& output);
SD_LIB_HIDDEN void segmentMaxFunctor(LaunchContext* context, NDArray* input, NDArray* indices, NDArray* output);
SD_LIB_HIDDEN void segmentMinFunctor(LaunchContext* context, NDArray* input, NDArray* indices, NDArray* output);
SD_LIB_HIDDEN void segmentMeanFunctor(LaunchContext* context, NDArray* input, NDArray* indices, NDArray* output);
SD_LIB_HIDDEN void segmentSumFunctor(LaunchContext* context, NDArray* input, NDArray* indices, NDArray* output);
SD_LIB_HIDDEN void segmentProdFunctor(LaunchContext* context, NDArray* input, NDArray* indices, NDArray* output);
SD_LIB_HIDDEN void unsortedSegmentSqrtNFunctor(LaunchContext* context, NDArray* input, NDArray* indices,
LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN void unsortedSegmentMaxFunctor(LaunchContext* context, NDArray* input, NDArray* indices,
LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN void unsortedSegmentMinFunctor(LaunchContext* context, NDArray* input, NDArray* indices,
LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN void unsortedSegmentMeanFunctor(LaunchContext* context, NDArray* input, NDArray* indices,
LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN void unsortedSegmentSumFunctor(LaunchContext* context, NDArray* input, NDArray* indices,
LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN void unsortedSegmentProdFunctor(LaunchContext* context, NDArray* input, NDArray* indices,
LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN Status segmentMaxFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, NDArray* output);
SD_LIB_HIDDEN Status segmentMinFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, NDArray* output);
SD_LIB_HIDDEN Status segmentMeanFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, NDArray* output);
SD_LIB_HIDDEN Status segmentSumFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, NDArray* output);
SD_LIB_HIDDEN Status segmentProdFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, NDArray* output);
SD_LIB_HIDDEN Status unsortedSegmentSqrtNFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN Status unsortedSegmentMaxFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN Status unsortedSegmentMinFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN Status unsortedSegmentMeanFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN Status unsortedSegmentSumFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, LongType numOfClasses, NDArray* output);
SD_LIB_HIDDEN Status unsortedSegmentProdFunctorBP(LaunchContext* context, NDArray* input, NDArray* indices,
NDArray* gradOut, LongType numOfClasses, NDArray* output);
} // namespace helpers
} // namespace ops
} // namespace sd
#endif