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_TRUNCATE_SEQUENCE_PAIR_OP_H_ 17 #define MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_DATA_TRUNCATE_SEQUENCE_PAIR_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/kernels/tensor_op.h" 27 28 namespace mindspore { 29 namespace dataset { 30 31 class TruncateSequencePairOp : public TensorOp { 32 public: TruncateSequencePairOp(dsize_t max_length)33 explicit TruncateSequencePairOp(dsize_t max_length) : max_length_(max_length) {} 34 35 ~TruncateSequencePairOp() override = default; 36 37 Status Compute(const TensorRow &input, TensorRow *output) override; 38 Name()39 std::string Name() const override { return kTruncateSequencePairOp; } 40 41 // Unknown input size NumInput()42 uint32_t NumInput() override { return -1; } 43 44 // Unknown output size NumOutput()45 uint32_t NumOutput() override { return -1; } 46 47 private: 48 dsize_t max_length_; 49 }; 50 } // namespace dataset 51 } // namespace mindspore 52 #endif // MINDSPORE_CCSRC_MINDDATA_DATASET_KERNELS_DATA_TRUNCATE_SEQUENCE_PAIR_OP_H_ 53