1 /** 2 * Copyright 2020 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 32 class SliceOp : public TensorOp { 33 public: SliceOp(std::vector<SliceOption> slice_input)34 explicit SliceOp(std::vector<SliceOption> slice_input) : slice_options_(slice_input) {} SliceOp(SliceOption slice_option)35 explicit SliceOp(SliceOption slice_option) { slice_options_.push_back(slice_option); } 36 // short hand notation for slicing along fist dimension SliceOp(Slice slice)37 explicit SliceOp(Slice slice) { slice_options_.push_back(SliceOption(slice)); } SliceOp(bool all)38 explicit SliceOp(bool all) { slice_options_.push_back(SliceOption(all)); } SliceOp(std::vector<dsize_t> indices)39 explicit SliceOp(std::vector<dsize_t> indices) { slice_options_.push_back(SliceOption(indices)); } 40 41 ~SliceOp() override = default; 42 43 Status Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) override; 44 Name()45 std::string Name() const override { return kSliceOp; } 46 47 private: 48 std::vector<SliceOption> slice_options_ = {}; 49 }; 50 } // namespace dataset 51 } // namespace mindspore 52 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_DATA_SLICE_OP_H_ 53