CSparseEuclidianDistance Class Reference

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Detailed Description

class SparseEucldianDistance

Definition at line 22 of file SparseEuclidianDistance.h.

Inheritance diagram for CSparseEuclidianDistance:

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_t *	sq_lhs
float64_t *	sq_rhs

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Constructor & Destructor Documentation

CSparseEuclidianDistance

(

)

default constructor

Definition at line 19 of file SparseEuclidianDistance.cpp.

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 25 of file SparseEuclidianDistance.cpp.

~CSparseEuclidianDistance

(

)

[virtual]

Definition at line 33 of file SparseEuclidianDistance.cpp.

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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

(

)

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.

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

• SparseEuclidianDistance.h
• SparseEuclidianDistance.cpp