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#ifndef CAFFE2_OPERATORS_TOP_K_H_
#define CAFFE2_OPERATORS_TOP_K_H_
#include "caffe2/core/logging.h"
#include "caffe2/core/operator.h"
#include "caffe2/utils/math.h"
namespace caffe2 {
template <typename T, class Context>
class TopKOp : public Operator<Context> {
public:
USE_OPERATOR_CONTEXT_FUNCTIONS;
template <class... Args>
explicit TopKOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
OP_SINGLE_ARG(int, "k", k_, -1),
OP_SINGLE_ARG(int, "axis", axis_, -1) {
}
~TopKOp() {}
bool RunOnDevice() override;
private:
const int k_;
int axis_;
};
template <typename T, class Context>
class TopKGradientOp : public Operator<Context> {
public:
USE_OPERATOR_CONTEXT_FUNCTIONS;
template <class... Args>
explicit TopKGradientOp(Args&&... args)
: Operator<Context>(std::forward<Args>(args)...),
OP_SINGLE_ARG(int, "axis", axis_, -1) {}
~TopKGradientOp() {}
bool RunOnDevice() override;
private:
int axis_;
};
} // namespace caffe2
#endif // CAFFE2_OPERATORS_TOP_K_H_
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