1 /** 2 * Copyright 2020-2023 Huawei Technologies Co., Ltd 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_DATA_SLICE_OP_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_DATA_SLICE_OP_H_ 18 19 #include <algorithm> 20 #include <memory> 21 #include <string> 22 #include <utility> 23 #include <vector> 24 25 #include "minddata/dataset/core/tensor.h" 26 #include "minddata/dataset/core/tensor_helpers.h" 27 #include "minddata/dataset/kernels/tensor_op.h" 28 29 namespace mindspore { 30 namespace dataset { 31 class SliceOp : public TensorOp { 32 public: SliceOp(std::vector<SliceOption> slice_input)33 explicit SliceOp(std::vector<SliceOption> slice_input) : slice_options_(std::move(slice_input)) {} 34 SliceOp(const SliceOption & slice_option)35 explicit SliceOp(const SliceOption &slice_option) { slice_options_.push_back(slice_option); } 36 37 // short hand notation for slicing along fist dimension SliceOp(Slice slice)38 explicit SliceOp(Slice slice) { (void)slice_options_.emplace_back(slice); } 39 SliceOp(bool all)40 explicit SliceOp(bool all) { (void)slice_options_.emplace_back(all); } 41 SliceOp(const std::vector<dsize_t> & indices)42 explicit SliceOp(const std::vector<dsize_t> &indices) { (void)slice_options_.emplace_back(indices); } 43 44 ~SliceOp() override = default; 45 46 Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override; 47 Name()48 std::string Name() const override { return kSliceOp; } 49 50 private: 51 std::vector<SliceOption> slice_options_ = {}; 52 }; 53 } // namespace dataset 54 } // namespace mindspore 55 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_DATA_SLICE_OP_H_ 56