1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef NEURAL_NETWORK_RUNTIME_TOPK_BUILDER_H
17 #define NEURAL_NETWORK_RUNTIME_TOPK_BUILDER_H
18 
19 #include "ops_builder.h"
20 #include "ops_registry.h"
21 
22 namespace OHOS {
23 namespace NeuralNetworkRuntime {
24 namespace Ops {
25 class TopKBuilder : public OpsBuilder {
26 public:
27     typedef OH_NN_ReturnCode (TopKBuilder::*FuncPtr)(const std::shared_ptr<NNTensor>&);
28 
29     TopKBuilder();
30     ~TopKBuilder() override;
31     OH_NN_ReturnCode Build(const std::vector<uint32_t>& paramsIndex,
32                            const std::vector<uint32_t>& inputsIndex,
33                            const std::vector<uint32_t>& outputsIndex,
34                            const std::vector<std::shared_ptr<NNTensor>>& allTensors) override;
35     LiteGraphPrimitvePtr GetPrimitive() override;
36 
37 private:
38     OH_NN_ReturnCode SetSorted(const std::shared_ptr<NNTensor>& tensor);
39     OH_NN_ReturnCode SetAxis(const std::shared_ptr<NNTensor>& tensor);
40 
41 private:
42     int64_t m_axis {0};
43     bool m_sorted {true}; // true means sorting in the descending order.
44     std::unordered_map<OH_NN_TensorType, FuncPtr> m_paramMap = {
45         {OH_NN_TOP_K_SORTED, &TopKBuilder::SetSorted},
46         {OH_NN_TOP_K_AXIS, &TopKBuilder::SetAxis}
47     };
48 };
49 } // namespace Ops
50 } // namespace NeuralNetworkRuntime
51 } // namespace OHOS
52 
53 #endif // NEURAL_NETWORK_RUNTIME_TOPK_BUILDER_H
54