Classes
struct	feature_gen_data

struct	interactions_generator

Typedefs
using	generate_func_t = std::vector< std::vector< namespace_index >>(const std::set< namespace_index > &namespaces, size_t num_to_pick)

Functions
template<class R , class S , void()(R &, float, S) T, bool audit, void()(R &, const audit_strings *) audit_func>
void	generate_interactions (vw &all, example_predict &ec, R &dat, size_t &num_interacted_features)

template<class R , class S , void(*)(R &, float, S) T>
void	generate_interactions (vw &all, example_predict &ec, R &dat, size_t &num_interacted_features)

VW::LEARNER::base_learner *	generate_interactions_setup (VW::config::options_i &options, vw &all)

constexpr bool	is_printable_namespace (const unsigned char ns)

bool	contains_wildcard (const std::vector< namespace_index > &interaction)

void	eval_count_of_generated_ft (bool permutations, const std::vector< std::vector< namespace_index >> &interactions, const std::array< features, NUM_NAMESPACES > &feature_spaces, size_t &new_features_cnt, float &new_features_value)

std::vector< std::vector< namespace_index > >	generate_namespace_combinations_with_repetition (const std::set< namespace_index > &namespaces, size_t num_to_pick)

std::vector< std::vector< namespace_index > >	generate_namespace_permutations_with_repetition (const std::set< namespace_index > &namespaces, size_t num_to_pick)

std::vector< std::vector< namespace_index > >	expand_quadratics_wildcard_interactions (bool leave_duplicate_interactions, const std::set< namespace_index > &new_example_indices)

bool	sort_interactions_comparator (const std::vector< namespace_index > &a, const std::vector< namespace_index > &b)

void	sort_and_filter_duplicate_interactions (std::vector< std::vector< namespace_index >> &vec, bool filter_duplicates, size_t &removed_cnt, size_t &sorted_cnt)

template<generate_func_t generate_func, bool leave_duplicate_interactions>
std::vector< std::vector< namespace_index > >	compile_interaction (const std::vector< namespace_index > &interaction, const std::set< namespace_index > &indices)

template<generate_func_t generate_func, bool leave_duplicate_interactions>
std::vector< std::vector< namespace_index > >	compile_interactions (const std::vector< std::vector< namespace_index >> &interactions, const std::set< namespace_index > &indices)

template<class DataT , void(*)(DataT &, const float, float &) FuncT, class WeightsT >
void	call_FuncT (DataT &dat, WeightsT &weights, const float ft_value, const uint64_t ft_idx)

template<class DataT , void(*)(DataT &, const float, float) FuncT, class WeightsT >
void	call_FuncT (DataT &dat, const WeightsT &weights, const float ft_value, const uint64_t ft_idx)

float	INTERACTION_VALUE (float value1, float value2)

template<class DataT , class WeightOrIndexT , void()(DataT &, float, WeightOrIndexT) FuncT, bool audit, void()(DataT &, const audit_strings *) audit_func, class WeightsT >
void	inner_kernel (DataT &dat, features::const_audit_iterator &begin, features::const_audit_iterator &end, const uint64_t offset, WeightsT &weights, feature_value ft_value, feature_index halfhash)

template<class DataT , class WeightOrIndexT , void()(DataT &, float, WeightOrIndexT) FuncT, bool audit, void()(DataT &, const audit_strings *) audit_func, class WeightsT >
void	generate_interactions (const std::vector< std::vector< namespace_index >> &interactions, bool permutations, example_predict &ec, DataT &dat, WeightsT &weights, size_t &num_features)

Variables
constexpr bool	feature_self_interactions = true

constexpr unsigned char	printable_start = ' '

constexpr unsigned char	printable_end = '~'

constexpr unsigned char	printable_ns_size = printable_end - printable_start

constexpr uint64_t	valid_ns_size

Typedef Documentation

using INTERACTIONS::generate_func_t = typedef std::vector<std::vector<namespace_index>>( const std::set<namespace_index>& namespaces, size_t num_to_pick)

Function Documentation

template<class DataT , void(*)(DataT &, const float, float &) FuncT, class WeightsT >

void INTERACTIONS::call_FuncT	(	DataT &	dat,
		WeightsT &	weights,
		const float	ft_value,
		const uint64_t	ft_idx
	)

inline

template<class DataT , void(*)(DataT &, const float, float) FuncT, class WeightsT >

void INTERACTIONS::call_FuncT	(	DataT &	dat,
		const WeightsT &	weights,
		const float	ft_value,
		const uint64_t	ft_idx
	)

inline

template<generate_func_t generate_func, bool leave_duplicate_interactions>

std::vector<std::vector<namespace_index> > INTERACTIONS::compile_interaction	(	const std::vector< namespace_index > &	interaction,
		const std::set< namespace_index > &	indices
	)

template<generate_func_t generate_func, bool leave_duplicate_interactions>

std::vector<std::vector<namespace_index> > INTERACTIONS::compile_interactions	(	const std::vector< std::vector< namespace_index >> &	interactions,
		const std::set< namespace_index > &	indices
	)

bool INTERACTIONS::contains_wildcard ( const std::vector< namespace_index > & interaction )

inline

void INTERACTIONS::eval_count_of_generated_ft	(	bool	permutations,
		const std::vector< std::vector< namespace_index >> &	interactions,
		const std::array< features, NUM_NAMESPACES > &	feature_spaces,
		size_t &	new_features_cnt,
		float &	new_features_value
	)

std::vector<std::vector<namespace_index> > INTERACTIONS::expand_quadratics_wildcard_interactions	(	bool	leave_duplicate_interactions,
		const std::set< namespace_index > &	new_example_indices
	)

template<class DataT , class WeightOrIndexT , void(*)(DataT &, float, WeightOrIndexT) FuncT, bool audit, void(*)(DataT &, const audit_strings *) audit_func, class WeightsT >

void INTERACTIONS::generate_interactions	(	const std::vector< std::vector< namespace_index >> &	interactions,
		bool	permutations,
		example_predict &	ec,
		DataT &	dat,
		WeightsT &	weights,
		size_t &	num_features
	)

inline

template<class R , class S , void(*)(R &, float, S) T, bool audit, void(*)(R &, const audit_strings *) audit_func>

void INTERACTIONS::generate_interactions	(	vw &	all,
		example_predict &	ec,
		R &	dat,
		size_t &	num_interacted_features
	)

inline

template<class R , class S , void(*)(R &, float, S) T>

void INTERACTIONS::generate_interactions	(	vw &	all,
		example_predict &	ec,
		R &	dat,
		size_t &	num_interacted_features
	)

inline

VW::LEARNER::base_learner* INTERACTIONS::generate_interactions_setup	(	VW::config::options_i &	options,
		vw &	all
	)

std::vector<std::vector<namespace_index> > INTERACTIONS::generate_namespace_combinations_with_repetition	(	const std::set< namespace_index > &	namespaces,
		size_t	num_to_pick
	)

std::vector<std::vector<namespace_index> > INTERACTIONS::generate_namespace_permutations_with_repetition	(	const std::set< namespace_index > &	namespaces,
		size_t	num_to_pick
	)

template<class DataT , class WeightOrIndexT , void(*)(DataT &, float, WeightOrIndexT) FuncT, bool audit, void(*)(DataT &, const audit_strings *) audit_func, class WeightsT >

void INTERACTIONS::inner_kernel	(	DataT &	dat,
		features::const_audit_iterator &	begin,
		features::const_audit_iterator &	end,
		const uint64_t	offset,
		WeightsT &	weights,
		feature_value	ft_value,
		feature_index	halfhash
	)

inline

float INTERACTIONS::INTERACTION_VALUE	(	float	value1,
		float	value2
	)

inline

constexpr bool INTERACTIONS::is_printable_namespace ( const unsigned char ns )

inline

void INTERACTIONS::sort_and_filter_duplicate_interactions	(	std::vector< std::vector< namespace_index >> &	vec,
		bool	filter_duplicates,
		size_t &	removed_cnt,
		size_t &	sorted_cnt
	)