Classes
struct	feature_gen_data

Functions
constexpr bool	is_printable_namespace (const unsigned char ns)

std::vector< std::vector< namespace_index > >	expand_interactions (const std::vector< std::vector< namespace_index >> &vec, const size_t required_length, const std::string &err_msg)

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

void	eval_count_of_generated_ft (vw &all, example &ec, size_t &new_features_cnt, float &new_features_value)

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)

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

int64_t	choose (int64_t n, int64_t k)

template<class R , void(*)(R &, const float, float &) T, class W >
void	call_T (R &dat, W &weights, const float ft_value, const uint64_t ft_idx)

template<class R , void(*)(R &, const float, const float &) T, class W >
void	call_T (R &dat, const W &weights, const float ft_value, const uint64_t ft_idx)

float	INTERACTION_VALUE (float value1, float value2)

template<class R , class S , void()(R &, float, S) T, bool audit, void()(R &, const audit_strings *) audit_func, class W >
void	inner_kernel (R &dat, features::iterator_all &begin, features::iterator_all &end, const uint64_t offset, W &weights, feature_value ft_value, feature_index halfhash)

template<class R , class S , void()(R &, float, S) T, bool audit, void()(R &, const audit_strings *) audit_func, class W >
void	generate_interactions (std::vector< std::vector< namespace_index >> &interactions, bool permutations, example_predict &ec, R &dat, W &weights)

Variables
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

constexpr bool	feature_self_interactions = true

Function Documentation

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

void INTERACTIONS::call_T	(	R &	dat,
		W &	weights,
		const float	ft_value,
		const uint64_t	ft_idx
	)

inline

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

void INTERACTIONS::call_T	(	R &	dat,
		const W &	weights,
		const float	ft_value,
		const uint64_t	ft_idx
	)

inline

int64_t INTERACTIONS::choose	(	int64_t	n,
		int64_t	k
	)

inline

void INTERACTIONS::eval_count_of_generated_ft	(	vw &	all,
		example &	ec,
		size_t &	new_features_cnt,
		float &	new_features_value
	)

std::vector<std::vector<namespace_index> > INTERACTIONS::expand_interactions	(	const std::vector< std::vector< namespace_index >> &	vec,
		const size_t	required_length,
		const std::string &	err_msg
	)

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
	)

inline

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

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

inline

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

void INTERACTIONS::generate_interactions	(	std::vector< std::vector< namespace_index >> &	interactions,
		bool	permutations,
		example_predict &	ec,
		R &	dat,
		W &	weights
	)

inline

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

void INTERACTIONS::inner_kernel	(	R &	dat,
		features::iterator_all &	begin,
		features::iterator_all &	end,
		const uint64_t	offset,
		W &	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
	)