CSparseEuclidianDistance Class Reference

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 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_tsq_lhs
float64_tsq_rhs


Detailed Description

class SparseEucldianDistance

Definition 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]

cleanup distance

Implements CDistance.

Definition at line 54 of file SparseEuclidianDistance.cpp.

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.

bool CSparseEuclidianDistance::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 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

applied scaling factor

Definition at line 86 of file SparseEuclidianDistance.h.

squared left-hand side

Definition at line 89 of file SparseEuclidianDistance.h.

squared right-hand side

Definition at line 91 of file SparseEuclidianDistance.h.


The documentation for this class was generated from the following files:

SHOGUN Machine Learning Toolbox - Documentation