#ifndef CAFFE2_OPERATORS_LOGIT_OP_H_
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#define CAFFE2_OPERATORS_LOGIT_OP_H_
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#include "caffe2/core/context.h"
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#include "caffe2/core/operator.h"
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#include "caffe2/operators/elementwise_ops.h"
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namespace caffe2 {
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template <class Context>
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struct LogitFunctor {
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explicit LogitFunctor(OperatorBase& op)
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: eps_(op.GetSingleArgument<float>("eps", 1e-6f)) {
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CAFFE_ENFORCE_GT(eps_, 0.0);
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CAFFE_ENFORCE_LT(eps_, 0.5);
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}
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template <typename T>
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bool operator()(const int size, const T* X, T* Y, Context* context) const;
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const float eps_;
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};
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template <typename T, class Context>
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class LogitGradientOp 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 LogitGradientOp(Args&&... args)
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: Operator<Context>(std::forward<Args>(args)...),
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eps_(this->template GetSingleArgument<float>("eps", 1e-6f)) {}
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~LogitGradientOp() {}
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bool RunOnDevice() override;
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protected:
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float eps_;
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};
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} // namespace caffe2
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#endif // CAFFE2_OPERATORS_LOGIT_OP_H_
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