/****************************************************************************
*
*    Copyright (c) 2021 Vivante Corporation
*
*    Permission is hereby granted, free of charge, to any person obtaining a
*    copy of this software and associated documentation files (the "Software"),
*    to deal in the Software without restriction, including without limitation
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*    and/or sell copies of the Software, and to permit persons to whom the
*    Software is furnished to do so, subject to the following conditions:
*
*    The above copyright notice and this permission notice shall be included in
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*****************************************************************************/
#ifndef TIM_VX_OPS_RNN_CELL_H_
#define TIM_VX_OPS_RNN_CELL_H_

#include "tim/vx/operation.h"
namespace tim {
namespace vx {
namespace ops {

class RNNCell : public Operation{
 public:
  enum ActivationType {
        kNONE = 0,
        kRELU = 1,
        kRELU1 = 2,
        kRELU6 = 3,
        kTANH = 4,
        kSIGMOID = 6,
        kHARDSIGMOID = 31,  /* temporary use 31*/
      };
  RNNCell(Graph* graph, ActivationType activation);
  std::shared_ptr<Operation> Clone(std::shared_ptr<Graph>& graph) const override;

 protected:
  const ActivationType activation_;
};

}  // namespace ops
}  // namespace vx
}  // namespace tim

#endif /* TIM_VX_OPS_RNN_CELL_H_ */