arma_traits.hpp

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#ifndef MLPACK_CORE_UTIL_ARMA_TRAITS_HPP
#define MLPACK_CORE_UTIL_ARMA_TRAITS_HPP

// Structs have public members by default (that's why they are chosen over
// classes).

template<typename VecType>
struct IsVector
{
  const static bool value = false;
};

// Commenting out the first template per case, because
// Visual Studio doesn't like this instantiaion pattern (error C2910).
// template<>
template<typename eT>
struct IsVector >
{
  const static bool value = true;
};

// template<>
template<typename eT>
struct IsVector >
{
  const static bool value = true;
};

// template<>
template<typename eT>
struct IsVector >
{
  const static bool value = true;
};

// template<>
template<typename eT>
struct IsVector >
{
  const static bool value = true;
};

// template<>
template<typename eT>
struct IsVector >
{
  const static bool value = true;
};

// template<>
template<typename eT>
struct IsVector >
{
  const static bool value = true;
};


#if ((ARMA_VERSION_MAJOR >= 10) || \
    ((ARMA_VERSION_MAJOR == 9) && (ARMA_VERSION_MINOR >= 869)))

  // Armadillo 9.869+ has SpSubview_col and SpSubview_row

  template<typename eT>
  struct IsVector >
  {
    const static bool value = true;
  };

  template<typename eT>
  struct IsVector >
  {
    const static bool value = true;
  };

#else

  // fallback for older Armadillo versions

  template<typename eT>
  struct IsVector >
  {
    const static bool value = true;
  };

#endif

#endif