interactions.h File Reference

#include "constant.h"
#include "example_predict.h"
#include "feature_group.h"
#include "vw_fwd.h"
#include "vw_math.h"
#include <algorithm>
#include <cstddef>
#include <limits>
#include <set>
#include <vector>

Classes
struct	INTERACTIONS::interactions_generator

Namespaces
	INTERACTIONS

Typedefs
template<typename T >
using	INTERACTIONS::generate_func_t = std::vector< std::vector< T > >(const std::set< T > &namespaces, size_t num_to_pick)

Functions
constexpr bool	INTERACTIONS::is_interaction_ns (const unsigned char ns)
bool	INTERACTIONS::contains_wildcard (const std::vector< VW::namespace_index > &interaction)
bool	INTERACTIONS::contains_wildcard (const std::vector< extent_term > &interaction)
float	INTERACTIONS::eval_sum_ft_squared_of_generated_ft (bool permutations, const std::vector< std::vector< VW::namespace_index >> &interactions, const std::vector< std::vector< extent_term >> &extent_interactions, const std::array< features, NUM_NAMESPACES > &feature_spaces)
template<typename T >
std::vector< T >	INTERACTIONS::indices_to_values_one_based (const std::vector< size_t > &indices, const std::set< T > &values)
template<typename T >
std::vector< T >	INTERACTIONS::indices_to_values_ignore_last_index (const std::vector< size_t > &indices, const std::set< T > &values)
template<typename T >
bool	INTERACTIONS::must_be_left_sorted (const std::vector< T > &oi)
template<typename T >
void	INTERACTIONS::sort_and_filter_duplicate_interactions (std::vector< std::vector< T >> &vec, bool filter_duplicates, size_t &removed_cnt, size_t &sorted_cnt)
template<typename T >
std::vector< std::vector< T > >	INTERACTIONS::generate_namespace_combinations_with_repetition (const std::set< T > &namespaces, size_t num_to_pick)
template<typename T >
std::vector< std::vector< T > >	INTERACTIONS::generate_namespace_permutations_with_repetition (const std::set< T > &namespaces, size_t num_to_pick)
std::vector< std::vector< VW::namespace_index > >	INTERACTIONS::expand_quadratics_wildcard_interactions (bool leave_duplicate_interactions, const std::set< VW::namespace_index > &new_example_indices)
bool	INTERACTIONS::sort_interactions_comparator (const std::vector< VW::namespace_index > &a, const std::vector< VW::namespace_index > &b)
template<generate_func_t< VW::namespace_index > generate_func, bool leave_duplicate_interactions>
std::vector< std::vector< VW::namespace_index > >	INTERACTIONS::compile_interaction (const std::vector< VW::namespace_index > &interaction, const std::set< VW::namespace_index > &indices)
template<generate_func_t< extent_term > generate_func, bool leave_duplicate_interactions>
std::vector< std::vector< extent_term > >	INTERACTIONS::compile_extent_interaction (const std::vector< extent_term > &interaction, const std::set< extent_term > &all_seen_extents)
template<generate_func_t< VW::namespace_index > generate_func, bool leave_duplicate_interactions>
std::vector< std::vector< VW::namespace_index > >	INTERACTIONS::compile_interactions (const std::vector< std::vector< VW::namespace_index >> &interactions, const std::set< VW::namespace_index > &indices)
template<generate_func_t< extent_term > generate_func, bool leave_duplicate_interactions>
std::vector< std::vector< extent_term > >	INTERACTIONS::compile_extent_interactions (const std::vector< std::vector< extent_term >> &interactions, const std::set< extent_term > &indices)

Variables
constexpr unsigned char	INTERACTIONS::interaction_ns_start = ' '
constexpr unsigned char	INTERACTIONS::interaction_ns_end = '~'