reid from https://github.com/michuanhaohao/reid-strong-baseline
zhangmeng
2020-01-17 f7c4a3cfd07adede3308f8d9d3d7315427d90a7c
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#ifndef CAFFE2_OPERATORS_ACCURACY_OP_H_
#define CAFFE2_OPERATORS_ACCURACY_OP_H_
 
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
 
namespace caffe2 {
 
template <typename T, class Context>
class AccuracyOp final : public Operator<Context> {
 public:
  USE_OPERATOR_CONTEXT_FUNCTIONS;
  template <class... Args>
  explicit AccuracyOp(Args&&... args)
      : Operator<Context>(std::forward<Args>(args)...),
        top_k_(this->template GetSingleArgument<int>("top_k", 1)) {}
 
  bool RunOnDevice() override;
 
 protected:
  int top_k_; 
  INPUT_TAGS(PREDICTION, LABEL);
};
 
} // namespace caffe2
 
#endif // CAFFE2_OPERATORS_ACCURACY_OP_H_