1 /*
2  * Copyright (c) 2024 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 #include "leaky_relu_builder.h"
17 
18 namespace OHOS {
19 namespace NeuralNetworkRuntime {
20 namespace Ops {
21 static const int INPUT_NUM = 1;
22 static const int OUTPUT_NUM = 1;
23 static const int PARAM_MAX_NUM = 1;
24 static const int SCALAR_LENGTH = 1;
25 static const std::string OP_NAME = "LeakyRelu";
26 
LeakyReluBuilder()27 LeakyReluBuilder::LeakyReluBuilder() {}
28 
~LeakyReluBuilder()29 LeakyReluBuilder::~LeakyReluBuilder() {}
30 
SetNegativeSlope(const std::shared_ptr<NNTensor> & tensor)31 OH_NN_ReturnCode LeakyReluBuilder::SetNegativeSlope(const std::shared_ptr<NNTensor>& tensor)
32 {
33     if (tensor->GetDataType() != OH_NN_FLOAT32) {
34         LOGE("[LeakyRelu] The negativeSlope should be type OH_NN_FLOAT32.");
35         return OH_NN_INVALID_PARAMETER;
36     }
37 
38     if (tensor->GetElementCount() != SCALAR_LENGTH) {
39         LOGE("[LeakyRelu] The negativeSlope should be scalar.");
40         return OH_NN_INVALID_PARAMETER;
41     }
42 
43     void* buffer = tensor->GetBuffer();
44     if (buffer == nullptr) {
45         LOGE("[LeakyRelu] Tensor buffer is nullptr.");
46         return OH_NN_INVALID_PARAMETER;
47     }
48     m_negativeSlope = *(static_cast<const float*>(buffer));
49 
50     return OH_NN_SUCCESS;
51 }
52 
Build(const std::vector<uint32_t> & paramsIndex,const std::vector<uint32_t> & inputsIndex,const std::vector<uint32_t> & outputsIndex,const std::vector<std::shared_ptr<NNTensor>> & allTensors)53 OH_NN_ReturnCode LeakyReluBuilder::Build(const std::vector<uint32_t>& paramsIndex,
54                                          const std::vector<uint32_t>& inputsIndex,
55                                          const std::vector<uint32_t>& outputsIndex,
56                                          const std::vector<std::shared_ptr<NNTensor>>& allTensors)
57 {
58     if (m_isBuild) {
59         LOGE("[LeakyRelu] Build failed, the leakyRelu operation has been build. cannot build again.");
60         return OH_NN_OPERATION_FORBIDDEN;
61     }
62 
63     auto ret = CheckIOIndex(inputsIndex, outputsIndex, allTensors, INPUT_NUM, OUTPUT_NUM);
64     if (ret != OH_NN_SUCCESS) {
65         LOGE("[LeakyRelu] Build failed, passed invalid input or output index.");
66         return ret;
67     }
68 
69     m_inputsIndex = inputsIndex;
70     m_outputsIndex = outputsIndex;
71 
72     ret = CheckParamIndex(paramsIndex, allTensors, PARAM_MAX_NUM);
73     if (ret != OH_NN_SUCCESS) {
74         LOGE("[LeakyRelu] Build failed, passed invalid param index.");
75         return ret;
76     }
77 
78     for (int i : paramsIndex) {
79         std::shared_ptr<NNTensor> tensor = allTensors[i];
80         tensor->IdentifyOpParameter();
81         if (m_paramMap.find(tensor->GetType()) != m_paramMap.end()) {
82             ret = (this->*(m_paramMap[tensor->GetType()]))(tensor);
83         } else {
84             LOGE("[LeakyRelu] Build failed, param invalid, type=%d", tensor->GetType());
85             return OH_NN_INVALID_PARAMETER;
86         }
87 
88         if (ret != OH_NN_SUCCESS) {
89             LOGE("[LeakyRelu] Build failed, passed invalid param.");
90             return ret;
91         }
92     }
93 
94     m_name = OP_NAME;
95     m_isBuild = true;
96     return OH_NN_SUCCESS;
97 }
98 
GetPrimitive()99 LiteGraphPrimitvePtr LeakyReluBuilder::GetPrimitive()
100 {
101     if (!m_isBuild) {
102         LOGE("[LeakyRelu] GetPrimitive failed, cannot get primitive before call build.");
103         return {nullptr, DestroyLiteGraphPrimitive};
104     }
105 
106     float alpha {m_negativeSlope};
107     float minVal {0.0f};
108     float maxVal {0.0f};
109     bool approximate {false};
110     mindspore::lite::ActivationType activationType {mindspore::lite::ACTIVATION_TYPE_LEAKY_RELU};
111 
112     void* primitive = mindspore::lite::MindIR_Activation_CreatePrimitive(activationType, alpha,
113                                                                          minVal, maxVal, approximate);
114     LiteGraphPrimitvePtr graphPrimitivePtr(primitive, DestroyLiteGraphPrimitive) ;
115     return graphPrimitivePtr;
116 }
117 
118 REGISTER_OPS(LeakyReluBuilder, OH_NN_OPS_LEAKY_RELU);
119 } // namespace Ops
120 } // namespace NeuralNetworkRuntime
121 } // namespace OHOS