CSparseEuclidianDistance Class Reference
Public Member Functions | |
| CSparseEuclidianDistance () | |
| CSparseEuclidianDistance (CSparseFeatures< float64_t > *l, CSparseFeatures< float64_t > *r) | |
| virtual | ~CSparseEuclidianDistance () |
| virtual bool | init (CFeatures *l, CFeatures *r) |
| virtual void | cleanup () |
| virtual bool | load_init (FILE *src) |
| virtual bool | save_init (FILE *dest) |
| virtual EDistanceType | get_distance_type () |
| virtual EFeatureType | get_feature_type () |
| virtual const char * | get_name () |
Protected Member Functions | |
| virtual float64_t | compute (int32_t idx_a, int32_t idx_b) |
Protected Attributes | |
| float64_t | scale |
| float64_t * | sq_lhs |
| float64_t * | sq_rhs |
Detailed Description
class SparseEucldianDistanceDefinition at line 19 of file SparseEuclidianDistance.h.
Constructor & Destructor Documentation
| CSparseEuclidianDistance::CSparseEuclidianDistance | ( | ) |
default constructor
Definition at line 17 of file SparseEuclidianDistance.cpp.
| CSparseEuclidianDistance::CSparseEuclidianDistance | ( | CSparseFeatures< float64_t > * | l, | |
| CSparseFeatures< float64_t > * | r | |||
| ) |
constructor
- Parameters:
-
l features of left-hand side r features of right-hand side
Definition at line 22 of file SparseEuclidianDistance.cpp.
| CSparseEuclidianDistance::~CSparseEuclidianDistance | ( | ) | [virtual] |
Definition at line 29 of file SparseEuclidianDistance.cpp.
Member Function Documentation
| void CSparseEuclidianDistance::cleanup | ( | ) | [virtual] |
| float64_t CSparseEuclidianDistance::compute | ( | int32_t | idx_a, | |
| int32_t | idx_b | |||
| ) | [protected, virtual] |
compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object
Implements CDistance.
Definition at line 74 of file SparseEuclidianDistance.cpp.
| virtual EDistanceType CSparseEuclidianDistance::get_distance_type | ( | ) | [virtual] |
get distance type we are
- Returns:
- distance type SPARSEEUCLIDIAN
Implements CDistance.
Definition at line 63 of file SparseEuclidianDistance.h.
| virtual EFeatureType CSparseEuclidianDistance::get_feature_type | ( | ) | [virtual] |
get supported feature type
- Returns:
- feature type DREAL
Reimplemented from CSparseDistance< float64_t >.
Definition at line 69 of file SparseEuclidianDistance.h.
| virtual const char* CSparseEuclidianDistance::get_name | ( | ) | [virtual] |
get name of the distance
- Returns:
- name SparseEuclidian
Implements CDistance.
Definition at line 75 of file SparseEuclidianDistance.h.
init distance
- Parameters:
-
l features of left-hand side r features of right-hand side
- Returns:
- if init was successful
Reimplemented from CSparseDistance< float64_t >.
Definition at line 34 of file SparseEuclidianDistance.cpp.
| bool CSparseEuclidianDistance::load_init | ( | FILE * | src | ) | [virtual] |
load init data from file
- Parameters:
-
src file to load from
- Returns:
- if loading was successful
Implements CDistance.
Definition at line 64 of file SparseEuclidianDistance.cpp.
| bool CSparseEuclidianDistance::save_init | ( | FILE * | dest | ) | [virtual] |
save init data to file
- Parameters:
-
dest file to save to
- Returns:
- if saving was successful
Implements CDistance.
Definition at line 69 of file SparseEuclidianDistance.cpp.
Member Data Documentation
float64_t CSparseEuclidianDistance::scale [protected] |
applied scaling factor
Definition at line 86 of file SparseEuclidianDistance.h.
float64_t* CSparseEuclidianDistance::sq_lhs [protected] |
squared left-hand side
Definition at line 89 of file SparseEuclidianDistance.h.
float64_t* CSparseEuclidianDistance::sq_rhs [protected] |
squared right-hand side
Definition at line 91 of file SparseEuclidianDistance.h.
The documentation for this class was generated from the following files: