class SparseEucldianDistance
Definition at line 22 of file SparseEuclidianDistance.h.
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 EDistanceType | get_distance_type () |
virtual EFeatureType | get_feature_type () |
virtual const char * | get_name () const |
Protected Member Functions | |
virtual float64_t | compute (int32_t idx_a, int32_t idx_b) |
Protected Attributes | |
float64_t * | sq_lhs |
float64_t * | sq_rhs |
default constructor
Definition at line 19 of file SparseEuclidianDistance.cpp.
CSparseEuclidianDistance | ( | CSparseFeatures< float64_t > * | l, | |
CSparseFeatures< float64_t > * | r | |||
) |
constructor
l | features of left-hand side | |
r | features of right-hand side |
Definition at line 25 of file SparseEuclidianDistance.cpp.
~CSparseEuclidianDistance | ( | ) | [virtual] |
Definition at line 33 of file SparseEuclidianDistance.cpp.
void cleanup | ( | ) | [virtual] |
cleanup distance
Implements CSparseDistance< float64_t >.
Definition at line 58 of file SparseEuclidianDistance.cpp.
float64_t 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 68 of file SparseEuclidianDistance.cpp.
virtual EDistanceType get_distance_type | ( | ) | [virtual] |
get distance type we are
Implements CSparseDistance< float64_t >.
Definition at line 52 of file SparseEuclidianDistance.h.
virtual EFeatureType get_feature_type | ( | ) | [virtual] |
get supported feature type
Reimplemented from CSparseDistance< float64_t >.
Definition at line 58 of file SparseEuclidianDistance.h.
virtual const char* get_name | ( | void | ) | const [virtual] |
get name of the distance
Reimplemented from CSparseDistance< float64_t >.
Definition at line 64 of file SparseEuclidianDistance.h.
init distance
l | features of left-hand side | |
r | features of right-hand side |
Reimplemented from CSparseDistance< float64_t >.
Definition at line 38 of file SparseEuclidianDistance.cpp.
squared left-hand side
Definition at line 78 of file SparseEuclidianDistance.h.
squared right-hand side
Definition at line 80 of file SparseEuclidianDistance.h.