join.hpp

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#ifndef MLPACK_METHODS_ANN_LAYER_JOIN_HPP
#define MLPACK_METHODS_ANN_LAYER_JOIN_HPP

#include <mlpack/prereqs.hpp>

namespace mlpack {
namespace ann  {

template<
    typename InputDataType = arma::mat,
    typename OutputDataType = arma::mat
>
class Join
{
 public:
  Join();

  template<typename InputType, typename OutputType>
  void Forward(const InputType& input, OutputType& output);

  template<typename eT>
  void Backward(const arma::Mat<eT>& /* input */,
                const arma::Mat<eT>& gy,
                arma::Mat<eT>& g);

  OutputDataType const& OutputParameter() const { return outputParameter; }
  OutputDataType& OutputParameter() { return outputParameter; }

  OutputDataType const& Delta() const { return delta; }
  OutputDataType& Delta() { return delta; }

  template<typename Archive>
  void serialize(Archive& ar, const uint32_t /* version */);

 private:
  size_t inSizeRows;

  size_t inSizeCols;

  OutputDataType delta;

  OutputDataType outputParameter;
}; // class Join

} // namespace ann
} // namespace mlpack

// Include implementation.
#include "join_impl.hpp"

#endif