jubatus::core::clustering::eigen_feature_mapper Class Reference

#include <eigen_feature_mapper.hpp>

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Public Member Functions
void	clear ()
eigen_wsvec_list_t	convert (const wplist &src, bool update_map=true)
eigen_svec_list_t	convert (const std::vector< common::sfv_t > &src, bool update_map=true)
eigen_wsvec_t	convert (const weighted_point &src, bool update_map=true)
eigen_svec_t	convert (const common::sfv_t &src, bool update_map=true)
eigen_svec_t	convertc (const common::sfv_t &src) const
	eigen_feature_mapper ()
int	get_dimension ()
wplist	revert (const eigen_wsvec_list_t &src) const
std::vector< common::sfv_t >	revert (const eigen_svec_list_t &src) const
common::sfv_t	revert (const eigen_svec_t &src) const
weighted_point	revert (const eigen_wsvec_t &src) const

Private Member Functions
void	insert (const std::pair< std::string, float > &item, bool update_map, eigen_svec_t &dst)
void	insertc (const std::pair< std::string, float > &, eigen_svec_t &dst) const
void	rinsert (const std::pair< int, float > &, common::sfv_t &dst) const

Private Attributes
int	d_
jubatus::util::data::unordered_map< std::string, size_t >	map_
jubatus::util::data::unordered_map< size_t, std::string >	rmap_

Detailed Description

Definition at line 31 of file eigen_feature_mapper.hpp.

Constructor & Destructor Documentation

jubatus::core::clustering::eigen_feature_mapper::eigen_feature_mapper ( )

inline

Definition at line 33 of file eigen_feature_mapper.hpp.

: d_(0) {}

Member Function Documentation

void jubatus::core::clustering::eigen_feature_mapper::clear

(

)

Definition at line 30 of file eigen_feature_mapper.cpp.

References d_, map_, and rmap_.

Referenced by jubatus::core::clustering::gmm_clustering_method::batch_update().

                                 {
  map_.clear();
  rmap_.clear();
  d_ = 0;
}

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eigen_wsvec_list_t jubatus::core::clustering::eigen_feature_mapper::convert	(	const wplist &	src,
		bool	update_map = true
	)

Definition at line 84 of file eigen_feature_mapper.cpp.

References d_, and jubatus::core::common::jsonconfig::v().

Referenced by jubatus::core::clustering::gmm_clustering_method::batch_update(), and convert().

                     {
  eigen_wsvec_list_t ret(src.size());
  eigen_wsvec_list_t::iterator ob = ret.begin();
  wplist::const_iterator ib = src.begin();
  while (ib != src.end()) {
    *ob = convert(*ib, update_map);
    ++ob;
    ++ib;
  }
  for (ob = ret.begin(); ob != ret.end(); ++ob) {
    eigen_svec_t v(d_);
    for (eigen_svec_t::InnerIterator it(ob->data); it; ++it) {
      v.coeffRef(it.index()) = it.value();
    }
    ob->data = v;
  }
  return ret;
}

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eigen_svec_list_t jubatus::core::clustering::eigen_feature_mapper::convert	(	const std::vector< common::sfv_t > &	src,
		bool	update_map = true
	)

eigen_wsvec_t jubatus::core::clustering::eigen_feature_mapper::convert	(	const weighted_point &	src,
		bool	update_map = true
	)

Definition at line 58 of file eigen_feature_mapper.cpp.

References convert(), jubatus::core::clustering::eigen_wsvec_t::data, jubatus::core::clustering::weighted_point::data, jubatus::core::clustering::eigen_wsvec_t::weight, and jubatus::core::clustering::weighted_point::weight.

                     {
  eigen_wsvec_t ret;
  ret.data = convert(src.data, update_map);
  ret.weight = src.weight;
  return ret;
}

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eigen_svec_t jubatus::core::clustering::eigen_feature_mapper::convert	(	const common::sfv_t &	src,
		bool	update_map = true
	)

Definition at line 40 of file eigen_feature_mapper.cpp.

References d_, and insert().

                     {
  eigen_svec_t ret(d_);
  for (common::sfv_t::const_iterator it = src.begin(); it != src.end(); ++it) {
    insert(*it, update_map, ret);
  }
  return ret;
}

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eigen_svec_t jubatus::core::clustering::eigen_feature_mapper::convertc

(

const common::sfv_t &

src

)

const

Definition at line 50 of file eigen_feature_mapper.cpp.

References d_, and insertc().

Referenced by jubatus::core::clustering::gmm_clustering_method::get_nearest_center(), and jubatus::core::clustering::gmm_clustering_method::get_nearest_center_index().

                                                                        {
  eigen_svec_t ret(d_);
  for (common::sfv_t::const_iterator it = src.begin(); it != src.end(); ++it) {
    insertc(*it, ret);
  }
  return ret;
}

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int jubatus::core::clustering::eigen_feature_mapper::get_dimension

(

)

Definition at line 36 of file eigen_feature_mapper.cpp.

References d_.

Referenced by jubatus::core::clustering::gmm_clustering_method::batch_update().

                                        {
  return d_;
}

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void jubatus::core::clustering::eigen_feature_mapper::insert ( const std::pair< std::string, float > &  item, bool  update_map, eigen_svec_t &  dst  )

private

Definition at line 147 of file eigen_feature_mapper.cpp.

References d_, map_, and rmap_.

Referenced by convert().

                       {
  if (dst.rows() < d_) {
    dst.resize(d_);
  }
  if (map_.find(item.first) != map_.end()) {
    dst.coeffRef(map_[item.first]) = item.second;
  } else if (update_map) {
    rmap_[d_] = item.first;
    map_[item.first] = d_++;
    insert(item, update_map, dst);
  }
}

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void jubatus::core::clustering::eigen_feature_mapper::insertc ( const std::pair< std::string, float > &  , eigen_svec_t &  dst  ) const

private

Definition at line 163 of file eigen_feature_mapper.cpp.

References d_, and map_.

Referenced by convertc().

                             {
  if (dst.rows() < d_) {
    dst.resize(d_);
  }
  if (map_.find(item.first) != map_.end()) {
    dst.coeffRef((map_.find(item.first))->second) = item.second;
  }
}

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wplist jubatus::core::clustering::eigen_feature_mapper::revert

(

const eigen_wsvec_list_t &

src

)

const

Definition at line 134 of file eigen_feature_mapper.cpp.

Referenced by jubatus::core::clustering::gmm_clustering_method::batch_update(), jubatus::core::clustering::gmm_clustering_method::get_nearest_center(), and revert().

                                         {
  wplist ret(src.size());
  eigen_wsvec_list_t::const_iterator ib = src.begin();
  wplist::iterator ob = ret.begin();
  while (ib != src.end()) {
    *ob = revert(*ib);
    ++ob;
    ++ib;
  }
  return ret;
}

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std::vector< common::sfv_t > jubatus::core::clustering::eigen_feature_mapper::revert

(

const eigen_svec_list_t &

src

)

const

Definition at line 121 of file eigen_feature_mapper.cpp.

References revert().

                                        {
  std::vector<common::sfv_t> ret(src.size());
  eigen_svec_list_t::const_iterator ib = src.begin();
  std::vector<common::sfv_t>::iterator ob = ret.begin();
  while (ib != src.end()) {
    *ob = revert(*ib);
    ++ob;
    ++ib;
  }
  return ret;
}

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common::sfv_t jubatus::core::clustering::eigen_feature_mapper::revert

(

const eigen_svec_t &

src

)

const

Definition at line 105 of file eigen_feature_mapper.cpp.

References rinsert().

                                                                      {
  common::sfv_t ret;
  for (eigen_svec_t::InnerIterator it(src); it; ++it) {
    rinsert(std::make_pair(it.row(), static_cast<float>(it.value())), ret);
  }
  return ret;
}

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weighted_point jubatus::core::clustering::eigen_feature_mapper::revert

(

const eigen_wsvec_t &

src

)

const

Definition at line 113 of file eigen_feature_mapper.cpp.

References jubatus::core::clustering::eigen_wsvec_t::data, jubatus::core::clustering::weighted_point::data, revert(), jubatus::core::clustering::eigen_wsvec_t::weight, and jubatus::core::clustering::weighted_point::weight.

                                    {
  weighted_point ret;
  ret.weight = src.weight;
  ret.data = revert(src.data);
  return ret;
}

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void jubatus::core::clustering::eigen_feature_mapper::rinsert ( const std::pair< int, float > &  , common::sfv_t &  dst  ) const

private

Definition at line 174 of file eigen_feature_mapper.cpp.

References rmap_.

Referenced by revert().

                            {
  if (rmap_.find(item.first) != rmap_.end()) {
    dst.push_back(
        make_pair((rmap_.find(item.first))->second, item.second));
  }
}

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Member Data Documentation

int jubatus::core::clustering::eigen_feature_mapper::d_

private

Definition at line 65 of file eigen_feature_mapper.hpp.

Referenced by clear(), convert(), convertc(), get_dimension(), insert(), and insertc().

jubatus::util::data::unordered_map<std::string, size_t> jubatus::core::clustering::eigen_feature_mapper::map_

private

Definition at line 49 of file eigen_feature_mapper.hpp.

Referenced by clear(), insert(), and insertc().

jubatus::util::data::unordered_map<size_t, std::string> jubatus::core::clustering::eigen_feature_mapper::rmap_

private

Definition at line 50 of file eigen_feature_mapper.hpp.

Referenced by clear(), insert(), and rinsert().

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The documentation for this class was generated from the following files:

• jubatus/core/clustering/eigen_feature_mapper.hpp
• jubatus/core/clustering/eigen_feature_mapper.cpp