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