#ifndef CAFFE2_OPERATORS_SELU_OP_H_
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#define CAFFE2_OPERATORS_SELU_OP_H_
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#include "caffe2/core/common_omp.h"
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#include "caffe2/core/context.h"
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#include "caffe2/core/logging.h"
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#include "caffe2/core/operator.h"
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namespace caffe2 {
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template <typename T, class Context>
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class SeluOp final : public Operator<Context> {
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public:
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USE_OPERATOR_CONTEXT_FUNCTIONS;
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template <class... Args>
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explicit SeluOp(Args&&... args)
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: Operator<Context>(std::forward<Args>(args)...) {
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alpha_ = this->template GetSingleArgument<T>(
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"alpha", 1.6732632423543772848170429916717f);
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lambda_ = this->template GetSingleArgument<T>(
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"scale", 1.0507009873554804934193349852946f);
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// In the paper "scale" is named "lambda", but "lambda" is a reserved
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// keyword in python
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CAFFE_ENFORCE_GT(lambda_, 1.0);
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}
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bool RunOnDevice() override;
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protected:
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T alpha_;
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T lambda_;
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};
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template <typename T, class Context>
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class SeluGradientOp final : public Operator<Context> {
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public:
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USE_OPERATOR_CONTEXT_FUNCTIONS;
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template <class... Args>
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explicit SeluGradientOp(Args&&... args)
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: Operator<Context>(std::forward<Args>(args)...) {
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alpha_ = this->template GetSingleArgument<T>(
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"alpha", 1.6732632423543772848170429916717f);
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lambda_ = this->template GetSingleArgument<T>(
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"scale", 1.0507009873554804934193349852946f);
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CAFFE_ENFORCE_GT(lambda_, 1.0);
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}
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bool RunOnDevice() override;
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protected:
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T alpha_;
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T lambda_;
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};
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} // namespace caffe2
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#endif // CAFFE2_OPERATORS_SELU_OP_H_
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