set_param.hpp

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#ifndef MLPACK_BINDINGS_CLI_SET_PARAM_HPP
#define MLPACK_BINDINGS_CLI_SET_PARAM_HPP
 
#include <mlpack/prereqs.hpp>
#include "parameter_type.hpp"
 
namespace mlpack {
namespace bindings {
namespace cli {
 
template<typename T>
void SetParam(
    util::ParamData& d,
    const boost::any& value,
    const typename boost::disable_if<arma::is_arma_type<T>>::type* = 0,
    const typename boost::disable_if<data::HasSerialize<T>>::type* = 0,
    const typename boost::disable_if<std::is_same<T,
        std::tuple<mlpack::data::DatasetInfo, arma::mat>>>::type* = 0,
    const typename boost::disable_if<std::is_same<T, bool>>::type* = 0)
{
  // No mapping is needed.
  d.value = value;
}
 
template<typename T>
void SetParam(
    util::ParamData& d,
    const boost::any& /* value */,
    const typename boost::enable_if<std::is_same<T, bool>>::type* = 0)
{
  // Force set to the value of whether or not this was passed.
  d.value = d.wasPassed;
}
 
template<typename T>
void SetParam(
    util::ParamData& d,
    const boost::any& value,
    const typename std::enable_if<arma::is_arma_type<T>::value ||
                                  std::is_same<T,
        std::tuple<data::DatasetInfo, arma::mat>>::value>::type* = 0)
{
  // We're setting the string filename.
  typedef std::tuple<T, typename ParameterType<T>::type> TupleType;
  TupleType& tuple = *boost::any_cast<TupleType>(&d.value);
  std::get<1>(tuple) = boost::any_cast<std::string>(value);
}
 
template<typename T>
void SetParam(
    util::ParamData& d,
    const boost::any& value,
    const typename boost::disable_if<arma::is_arma_type<T>>::type* = 0,
    const typename boost::enable_if<data::HasSerialize<T>>::type* = 0)
{
  // We're setting the string filename.
  typedef std::tuple<T*, typename ParameterType<T>::type> TupleType;
  TupleType& tuple = *boost::any_cast<TupleType>(&d.value);
  std::get<1>(tuple) = boost::any_cast<std::string>(value);
}
 
template<typename T>
void SetParam(util::ParamData& d, const void* input, void* /* output */)
{
  SetParam<typename std::remove_pointer<T>::type>(
      const_cast<util::ParamData&>(d), *((boost::any*) input));
}
 
} // namespace cli
} // namespace bindings
} // namespace mlpack
 
#endif