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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 
17 #ifndef MINDSPORE_CORE_OPS_DROPOUT_H_
18 #define MINDSPORE_CORE_OPS_DROPOUT_H_
19 #include <vector>
20 #include <memory>
21 
22 #include "ops/primitive_c.h"
23 #include "abstract/abstract_value.h"
24 #include "utils/check_convert_utils.h"
25 
26 namespace mindspore {
27 namespace ops {
28 constexpr auto kNameDropout = "Dropout";
29 /// \brief During training, randomly zeroes some of the elements of the input tensor with probability 1-keep_prob
30 //// from a Bernoulli distribution. Refer to Python API @ref mindspore.ops.Dropout for more details.
31 class MS_CORE_API Dropout : public PrimitiveC {
32  public:
33   /// \brief Constructor.
Dropout()34   Dropout() : PrimitiveC(kNameDropout) {}
35   /// \brief Destructor.
36   ~Dropout() = default;
37   MS_DECLARE_PARENT(Dropout, PrimitiveC);
38   /// \brief Init. Refer to the parameters of Python API @ref mindspore.ops.Dropout for the inputs.
39   void Init(const float keep_prob = 0.5);
40   /// \brief Set keep_prob.
41   void set_keep_prob(const float keep_prob);
42   /// \brief Get keep_prob.
43   ///
44   /// \return keep_prob.
45   float get_keep_prob() const;
46 };
47 AbstractBasePtr DropoutInfer(const abstract::AnalysisEnginePtr &, const PrimitivePtr &primitive,
48                              const std::vector<AbstractBasePtr> &input_args);
49 using PrimDropoutPtr = std::shared_ptr<Dropout>;
50 }  // namespace ops
51 }  // namespace mindspore
52 #endif  // MINDSPORE_CORE_OPS_DROPOUT_H_
53