reid from https://github.com/michuanhaohao/reid-strong-baseline
zhangmeng
2020-01-11 bdf3ad71583fb4ef100d3819ecdae8fd9f70083e
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#pragma once
 
#include "caffe2/core/context.h"
#include "caffe2/core/operator.h"
 
namespace caffe2 {
 
template <class Context>
class ZeroGradientOp final : public Operator<Context> {
 public:
  USE_OPERATOR_CONTEXT_FUNCTIONS;
  USE_SIMPLE_CTOR_DTOR(ZeroGradientOp);
 
  bool RunOnDevice() override {
    return true;
  }
};
 
} // namespace caffe2