Public Member Functions | Protected Member Functions | Protected Attributes

CSparseEuclidianDistance Class Reference


Detailed Description

class SparseEucldianDistance

Definition at line 22 of file SparseEuclidianDistance.h.

Inheritance diagram for CSparseEuclidianDistance:
Inheritance graph
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List of all members.

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_tsq_lhs
float64_tsq_rhs

Constructor & Destructor Documentation

default constructor

Definition at line 19 of file SparseEuclidianDistance.cpp.

constructor

Parameters:
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.


Member Function Documentation

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

Returns:
distance type SPARSEEUCLIDIAN

Implements CSparseDistance< float64_t >.

Definition at line 52 of file SparseEuclidianDistance.h.

virtual EFeatureType get_feature_type (  )  [virtual]

get supported feature type

Returns:
feature type DREAL

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

Returns:
name SparseEuclidian

Reimplemented from CSparseDistance< float64_t >.

Definition at line 64 of file SparseEuclidianDistance.h.

bool init ( CFeatures l,
CFeatures r 
) [virtual]

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 38 of file SparseEuclidianDistance.cpp.


Member Data Documentation

float64_t* sq_lhs [protected]

squared left-hand side

Definition at line 78 of file SparseEuclidianDistance.h.

float64_t* sq_rhs [protected]

squared right-hand side

Definition at line 80 of file SparseEuclidianDistance.h.


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