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#ifndef CAFFE2_OPERATORS_LOGIT_OP_H_
#define CAFFE2_OPERATORS_LOGIT_OP_H_
#include "caffe2/core/context.h"
#include "caffe2/core/export_caffe2_op_to_c10.h"
#include "caffe2/core/operator.h"
#include "caffe2/operators/elementwise_ops.h"
C10_DECLARE_EXPORT_CAFFE2_OP_TO_C10(Logit)
namespace caffe2 {
template <class Context>
struct LogitFunctor {
explicit LogitFunctor(OperatorBase& op)
: eps_(op.GetSingleArgument<float>("eps", 1e-6f)) {
CAFFE_ENFORCE_GT(eps_, 0.0);
CAFFE_ENFORCE_LT(eps_, 0.5);
}
template <typename T>
bool operator()(const int size, const T* X, T* Y, Context* context) const;
const float eps_;
};
template <typename T, class Context>
class LogitGradientOp final : public Operator<Context> {
public:
USE_OPERATOR_CONTEXT_FUNCTIONS;
template <class... Args>
explicit LogitGradientOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
eps_(this->template GetSingleArgument<float>("eps", 1e-6f)) {}
~LogitGradientOp() {}
bool RunOnDevice() override;
protected:
float eps_;
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_LOGIT_OP_H_
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