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 #include "tanh_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_NUM = 0;
24 static const std::string OP_NAME = "Tanh";
25 
TanhBuilder()26 TanhBuilder::TanhBuilder() {}
27 
~TanhBuilder()28 TanhBuilder::~TanhBuilder() {}
29 
30 /**
31  * Build method.
32  * 1.set attr of ops.
33  * 2.set inputIndex of ops.
34  * 3.set outputIndex of ops.
35  */
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)36 OH_NN_ReturnCode TanhBuilder::Build(const std::vector<uint32_t>& paramsIndex,
37                                     const std::vector<uint32_t>& inputsIndex,
38                                     const std::vector<uint32_t>& outputsIndex,
39                                     const std::vector<std::shared_ptr<NNTensor>>& allTensors)
40 {
41     if (m_isBuild) {
42         LOGE("[TanhBuilder] Tanh operation has been build, cannot build again.");
43         return OH_NN_OPERATION_FORBIDDEN;
44     }
45 
46     OH_NN_ReturnCode returnCode = CheckIOIndex(inputsIndex, outputsIndex, allTensors, INPUT_NUM, OUTPUT_NUM);
47     if (returnCode != OH_NN_SUCCESS) {
48         LOGE("[TanhBuilder] Passed invalid input or output index.");
49         return returnCode;
50     }
51 
52     m_inputsIndex = inputsIndex;
53     m_outputsIndex = outputsIndex;
54 
55     returnCode = CheckParamIndex(paramsIndex, allTensors, PARAM_NUM);
56     if (returnCode != OH_NN_SUCCESS) {
57         LOGE("[TanhBuilder] Passed invalid param index.");
58         return returnCode;
59     }
60 
61     // The quantization type of the first output determinies that of the operator.
62     SetQuantType(outputsIndex, allTensors);
63 
64     m_name = OP_NAME;
65     m_isBuild = true;
66     return OH_NN_SUCCESS;
67 }
68 
GetPrimitive()69 LiteGraphPrimitvePtr TanhBuilder::GetPrimitive()
70 {
71     if (!m_isBuild) {
72         LOGE("[TanhBuilder] Cannot get primitive before call build.");
73         return { nullptr, DestroyLiteGraphPrimitive };
74     }
75 
76     float alpha {0.0f};
77     float minVal {0.0f};
78     float maxVal {0.0f};
79     bool approximate {false};
80     auto primitive =
81         mindspore::lite::MindIR_Activation_CreatePrimitive(m_activationType, alpha, minVal, maxVal, approximate);
82     if (primitive == nullptr) {
83         LOGE("[TanhBuilder] Create primitive of Tanh failed.");
84         return { nullptr, DestroyLiteGraphPrimitive };
85     }
86 
87     LiteGraphPrimitvePtr graphPrimitivePtr(primitive, DestroyLiteGraphPrimitive);
88     return graphPrimitivePtr;
89 }
90 
91 REGISTER_OPS(TanhBuilder, OH_NN_OPS_TANH);
92 } // namespace Ops
93 } // namespace NeuralNetworkRuntime
94 } // namespace OHOS