reid from https://github.com/michuanhaohao/reid-strong-baseline
zhangmeng
2020-01-17 f7c4a3cfd07adede3308f8d9d3d7315427d90a7c
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#pragma once
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
 
namespace caffe2 {
 
template <class Context>
class WeightedMultiSamplingOp : public Operator<Context> {
 public:
  USE_OPERATOR_CONTEXT_FUNCTIONS;
 
  template <class... Args>
  explicit WeightedMultiSamplingOp(Args&&... args)
      : Operator<Context>(std::forward<Args>(args)...),
        num_samples_(
            this->template GetSingleArgument<int64_t>("num_samples", 0)) {
    CAFFE_ENFORCE_GE(num_samples_, 0);
  }
 
  bool RunOnDevice() override;
 
 private:
  const int64_t num_samples_;
};
 
} // namespace caffe2