get_type.hpp

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#ifndef MLPACK_BINDINGS_GO_GET_TYPE_HPP
#define MLPACK_BINDINGS_GO_GET_TYPE_HPP

#include <mlpack/prereqs.hpp>
#include <mlpack/core/util/param_data.hpp>
#include <mlpack/core/util/is_std_vector.hpp>

namespace mlpack {
namespace bindings {
namespace go {

template<typename T>
inline std::string GetType(
    util::ParamData& /* d */,
    const typename std::enable_if<!util::IsStdVector<T>::value>::type* = 0,
    const typename std::enable_if<!data::HasSerialize<T>::value>::type* = 0,
    const typename std::enable_if<!arma::is_arma_type<T>::value>::type* = 0)
{
  return "unknown";
}

template<>
inline std::string GetType<int>(
    util::ParamData& /* d */,
    const typename std::enable_if<!util::IsStdVector<int>::value>::type*,
    const typename std::enable_if<!data::HasSerialize<int>::value>::type*,
    const typename std::enable_if<!arma::is_arma_type<int>::value>::type*)
{
  return "Int";
}

template<>
inline std::string GetType<float>(
    util::ParamData& /* d */,
    const typename std::enable_if<!util::IsStdVector<float>::value>::type*,
    const typename std::enable_if<!data::HasSerialize<float>::value>::type*,
    const typename std::enable_if<!arma::is_arma_type<float>::value>::type*)
{
  return "Float";
}

template<>
inline std::string GetType<double>(
    util::ParamData& /* d */,
    const typename std::enable_if<!util::IsStdVector<double>::value>::type*,
    const typename std::enable_if<!data::HasSerialize<double>::value>::type*,
    const typename std::enable_if<!arma::is_arma_type<double>::value>::type*)
{
  return "Double";
}

template<>
inline std::string GetType<std::string>(
    util::ParamData& /* d */,
    const typename std::enable_if<
        !util::IsStdVector<std::string>::value>::type*,
    const typename std::enable_if<
        !data::HasSerialize<std::string>::value>::type*,
    const typename std::enable_if<
        !arma::is_arma_type<std::string>::value>::type*)
{
  return "String";
}

template<>
inline std::string GetType<bool>(
    util::ParamData& /* d */,
    const typename std::enable_if<!util::IsStdVector<bool>::value>::type*,
    const typename std::enable_if<!data::HasSerialize<bool>::value>::type*,
    const typename std::enable_if<!arma::is_arma_type<bool>::value>::type*)
{
  return "Bool";
}

template<typename T>
inline std::string GetType(
    util::ParamData& d,
    const typename std::enable_if<util::IsStdVector<T>::value>::type* = 0)
{
  return "Vec" + GetType<typename T::value_type>(d);
}

template<typename T>
inline std::string GetType(
    util::ParamData& /* d */,
    const typename std::enable_if<arma::is_arma_type<T>::value>::type* = 0)
{
  std::string type = "";
  if (std::is_same<typename T::elem_type, double>::value)
  {
    if (T::is_row)
      type = "Row";
    else if (T::is_col)
      type = "Col";
    else
      type = "Mat";
  }
  else if (std::is_same<typename T::elem_type, size_t>::value)
  {
    if (T::is_row)
      type = "Urow";
    else if (T::is_col)
      type = "Ucol";
    else
      type = "Umat";
  }

  return type;
}

template<typename T>
inline std::string GetType(
    util::ParamData& d,
    const typename std::enable_if<!arma::is_arma_type<T>::value>::type* = 0,
    const typename std::enable_if<data::HasSerialize<T>::value>::type* = 0)
{
  return d.cppType + "*";
}

template<typename T>
void GetType(util::ParamData& d,
             const void* /* input */,
             void* output)
{
  *((std::string*) output) =
      GetType<typename std::remove_pointer<T>::type>(d);
}

} // namespace go
} // namespace bindings
} // namespace mlpack

#endif