features Struct Reference

the core definition of a set of features. More...

#include <feature_group.h>

Classes
class	features_value_index_audit_range
	defines a "range" usable by C++ 11 for loops More...

Public Types
using	iterator = features_value_index_iterator
using	iterator_value = features_value_iterator
using	iterator_all = features_value_index_audit_iterator

Public Member Functions
	features ()
	~features ()
	features (const features &)=delete
features &	operator= (const features &)=delete
	features (features &&other) noexcept
features &	operator= (features &&other) noexcept
size_t	size () const
bool	nonempty () const
void	free_space_names (size_t i)
features_value_index_audit_range	values_indices_audit ()
iterator	begin ()
iterator	end ()
void	clear ()
void	truncate_to (const features_value_iterator &pos)
void	truncate_to (size_t i)
void	push_back (feature_value v, feature_index i)
bool	sort (uint64_t parse_mask)
void	deep_copy_from (const features &src)

Public Attributes
v_array< feature_value >	values
v_array< feature_index >	indicies
std::vector< audit_strings_ptr >	space_names
float	sum_feat_sq

Detailed Description

the core definition of a set of features.

Member Typedef Documentation

using features::iterator = features_value_index_iterator

using features::iterator_all = features_value_index_audit_iterator

using features::iterator_value = features_value_iterator

Constructor & Destructor Documentation

features::features

(

)

features::~features

(

)

features::features ( const features &  )

delete

features::features ( features &&  other )

noexcept

Member Function Documentation

iterator features::begin ( )

inline

void features::clear

(

)

void features::deep_copy_from

(

const features &

src

)

iterator features::end ( )

inline

void features::free_space_names

(

size_t

i

)

bool features::nonempty ( ) const

inline

features& features::operator= ( const features &  )

delete

features& features::operator= ( features &&  other )

noexcept

void features::push_back	(	feature_value	v,
		feature_index	i
	)

size_t features::size ( ) const

inline

bool features::sort

(

uint64_t

parse_mask

)

void features::truncate_to

(

const features_value_iterator &

pos

)

void features::truncate_to

(

size_t

i

)

features_value_index_audit_range features::values_indices_audit ( )

inline

Member Data Documentation

v_array<feature_index> features::indicies

std::vector<audit_strings_ptr> features::space_names

float features::sum_feat_sq

v_array<feature_value> features::values

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The documentation for this struct was generated from the following file:

• /__w/vowpal_wabbit/vowpal_wabbit/vowpalwabbit/feature_group.h