delta_visitor.hpp

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#ifndef MLPACK_METHODS_ANN_VISITOR_DELTA_VISITOR_HPP
#define MLPACK_METHODS_ANN_VISITOR_DELTA_VISITOR_HPP

#include <mlpack/methods/ann/layer/layer_traits.hpp>
#include <mlpack/methods/ann/layer/layer_types.hpp>

#include <boost/variant.hpp>

namespace mlpack {
namespace ann {

class DeltaVisitor : public boost::static_visitor<arma::mat&>
{
 public:
  template<typename LayerType>
  arma::mat& operator()(LayerType* layer) const;

  arma::mat& operator()(MoreTypes layer) const;
};

} // namespace ann
} // namespace mlpack

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

#endif