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_LAYERNORM_BUILDER_H
17 #define NEURAL_NETWORK_RUNTIME_LAYERNORM_BUILDER_H
18 
19 #include "ops_builder.h"
20 
21 namespace OHOS {
22 namespace NeuralNetworkRuntime {
23 namespace Ops {
24 class LayerNormBuilder : public OpsBuilder {
25 public:
26     typedef OH_NN_ReturnCode (LayerNormBuilder::*FuncPtr)(const std::shared_ptr<NNTensor>&);
27 
28     LayerNormBuilder();
29     ~LayerNormBuilder() override;
30     OH_NN_ReturnCode Build(const std::vector<uint32_t>& paramsIndex,
31                            const std::vector<uint32_t>& inputsIndex,
32                            const std::vector<uint32_t>& outputsIndex,
33                            const std::vector<std::shared_ptr<NNTensor>>& allTensors) override;
34     LiteGraphPrimitvePtr GetPrimitive() override;
35 
36 private:
37     OH_NN_ReturnCode SetBeginNormAxis(const std::shared_ptr<NNTensor>& tensor);
38     OH_NN_ReturnCode SetEpsilon(const std::shared_ptr<NNTensor>& tensor);
39     OH_NN_ReturnCode SetBeginParamsAxis(const std::shared_ptr<NNTensor>& tensor);
40     OH_NN_ReturnCode ValidateGammaAndBetaShape(const std::vector<uint32_t>& inputsIndex,
41         int64_t beginAxis, const std::vector<std::shared_ptr<NNTensor>>& allTensors) const;
42 
43 private:
44     int64_t m_beginNormAxis {1};
45     float m_epsilon {1e-7};
46     bool m_elementwiseAffine {true};
47     int64_t m_beginParamsAxis {1};
48     std::unordered_map<OH_NN_TensorType, FuncPtr> m_paramMap = {
49         {OH_NN_LAYER_NORM_BEGIN_NORM_AXIS, &LayerNormBuilder::SetBeginNormAxis},
50         {OH_NN_LAYER_NORM_EPSILON, &LayerNormBuilder::SetEpsilon},
51         {OH_NN_LAYER_NORM_BEGIN_PARAM_AXIS, &LayerNormBuilder::SetBeginParamsAxis}
52     };
53 };
54 } // namespace Ops
55 } // namespace NeuralNetworkRuntime
56 } // namespace OHOS
57 
58 #endif // NEURAL_NETWORK_RUNTIME_LAYERNORM_BUILDER_H