text: #ifndef CAFFE2_OPERATORS_SPARSE_DROPOUT_WITH_REPLACEMENT_OP_H_
  #define CAFFE2_OPERATORS_SPARSE_DROPOUT_WITH_REPLACEMENT_OP_H_
  
  #include "caffe2/core/context.h"
  #include "caffe2/core/logging.h"
  #include "caffe2/core/operator.h"
  #include "caffe2/utils/math.h"
  
  namespace caffe2 {
  
  template <class Context>
  class SparseDropoutWithReplacementOp final : public Operator<Context> {
   public:
    USE_OPERATOR_CONTEXT_FUNCTIONS;
    template <class... Args>
    explicit SparseDropoutWithReplacementOp(Args&&... args)
        : Operator<Context>(std::forward<Args>(args)...),
          ratio_(this->template GetSingleArgument<float>("ratio", 0.0)),
          replacement_value_(
              this->template GetSingleArgument<int64_t>("replacement_value", 0)) {
      // It is allowed to drop all or drop none.
      CAFFE_ENFORCE_GE(ratio_, 0.0, "Ratio should be a valid probability");
      CAFFE_ENFORCE_LE(ratio_, 1.0, "Ratio should be a valid probability");
    }
  
    bool RunOnDevice() override;
  
   protected:
    float ratio_;
    int64_t replacement_value_;
  };
  
  } // namespace caffe2
  
  #endif // CAFFE2_OPERATORS_SPARSE_DROPOUT_WITH_REPLACEMENT_OP_H_
  