clamp.h

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#ifndef INFINI_OPS_BASE_CLAMP_H_
#define INFINI_OPS_BASE_CLAMP_H_
 
#include <optional>
 
#include "operator.h"
 
namespace infini::ops {
 
class Clamp : public Operator<Clamp> {
 public:
  Clamp(const Tensor input, const std::optional<double> min,
        const std::optional<double> max, Tensor out)
      : input_shape_{input.shape()},
        input_strides_{input.strides()},
        input_type_{input.dtype()},
        out_shape_{out.shape()},
        out_strides_{out.strides()},
        out_type_{out.dtype()},
        min_{min},
        max_{max},
        device_index_{out.device().index()} {}
 
  Clamp(const Tensor input, const std::optional<Tensor> min,
        const std::optional<Tensor> max, Tensor out)
      : input_shape_{input.shape()},
        input_strides_{input.strides()},
        input_type_{input.dtype()},
        out_shape_{out.shape()},
        out_strides_{out.strides()},
        out_type_{out.dtype()},
        has_min_{min.has_value()},
        min_shape_{min ? Tensor::Shape{min->shape()} : Tensor::Shape{}},
        min_strides_{min ? Tensor::Strides{min->strides()} : Tensor::Strides{}},
        min_type_{min ? min->dtype() : DataType::kFloat32},
        has_max_{max.has_value()},
        max_shape_{max ? Tensor::Shape{max->shape()} : Tensor::Shape{}},
        max_strides_{max ? Tensor::Strides{max->strides()} : Tensor::Strides{}},
        max_type_{max ? max->dtype() : DataType::kFloat32},
        device_index_{out.device().index()} {}
 
  virtual void operator()(const Tensor input, const std::optional<double> min,
                          const std::optional<double> max,
                          Tensor out) const = 0;
 
  virtual void operator()(const Tensor input, const std::optional<Tensor> min,
                          const std::optional<Tensor> max,
                          Tensor out) const = 0;
 
 protected:
  Tensor::Shape input_shape_;
 
  Tensor::Strides input_strides_;
 
  DataType input_type_;
 
  Tensor::Shape out_shape_;
 
  Tensor::Strides out_strides_;
 
  DataType out_type_;
 
  std::optional<double> min_{};
 
  std::optional<double> max_{};
 
  bool has_min_{false};
 
  Tensor::Shape min_shape_;
 
  Tensor::Strides min_strides_;
 
  DataType min_type_{DataType::kFloat32};
 
  bool has_max_{false};
 
  Tensor::Shape max_shape_;
 
  Tensor::Strides max_strides_;
 
  DataType max_type_{DataType::kFloat32};
 
  int device_index_{0};
};
 
}  // namespace infini::ops
 
#endif