feature_group.h File Reference

#include <memory>
#include <string>
#include <cstddef>
#include "v_array.h"
#include <sys/types.h>

Go to the source code of this file.

Classes
struct	feature
struct	feature_slice
class	features_value_iterator
	iterator over feature values only More...
class	features_value_index_iterator
	iterator over values and indicies More...
class	features_value_index_audit_iterator
	iterator over values, indicies and audit space names More...
struct	features
	the core definition of a set of features. More...
class	features::features_value_index_audit_range
	defines a "range" usable by C++ 11 for loops More...

Typedefs
typedef float	feature_value
typedef uint64_t	feature_index
typedef std::pair< std::string, std::string >	audit_strings
typedef std::shared_ptr< audit_strings >	audit_strings_ptr

Functions
template<class T >
int	order_features (const void *first, const void *second)

Typedef Documentation

audit_strings

typedef std::pair<std::string, std::string> audit_strings

Definition at line 22 of file feature_group.h.

audit_strings_ptr

typedef std::shared_ptr<audit_strings> audit_strings_ptr

Definition at line 23 of file feature_group.h.

feature_index

typedef uint64_t feature_index

Definition at line 21 of file feature_group.h.

feature_value

typedef float feature_value

Definition at line 20 of file feature_group.h.

Function Documentation

order_features()

template<class T >

int order_features ( const void *  first, const void *  second  )

inline

Definition at line 41 of file feature_group.h.

References feature::weight_index, and feature::x.

{
  if (((T*)first)->weight_index != ((T*)second)->weight_index)
    return (int)(((T*)first)->weight_index - ((T*)second)->weight_index);
  else if (((T*)first)->x > ((T*)second)->x)
    return 1;
  else
    return -1;
}