SquaredEuclideanDistanceUtils Class Reference

helper class to calculate squared euclidean distance between all linear combinations of two vector sets More...

#include <squared_euclidean_distance_utils.h>

Inheritance diagram for SquaredEuclideanDistanceUtils:

Public Member Functions
	SquaredEuclideanDistanceUtils (size_t L, size_t M, size_t N)
virtual double	getDistance (size_t xi, size_t yi) const =0
size_t	getL () const
size_t	getM () const
size_t	getN () const
virtual void	calculateDistance (const gsl_matrix *x, const gsl_matrix *y)=0
	calculate all squared euclidean distance between vectors contained as columns in x and y

Static Protected Member Functions
static gsl_matrix	convToMatrix (const gsl_vector *v, size_t N) noexcept
	convert an gsl_vector to a N column gsl_matrix

Protected Attributes
size_t	L
size_t	M
size_t	N

Detailed Description

helper class to calculate squared euclidean distance between all linear combinations of two vector sets

Member Function Documentation

calculateDistance()

virtual void SquaredEuclideanDistanceUtils::calculateDistance ( const gsl_matrix *  x, const gsl_matrix *  y  )

pure virtual

calculate all squared euclidean distance between vectors contained as columns in x and y

Parameters

x	LxN Matrix with L vectors of size N
y	MxN Matrix with M vectors of size M

Implemented in SquaredEuclideanDistance_LL_matrix_optimized, SquaredEuclideanDistance_LL_matrix, SquaredEuclideanDistance_LL_vectorized, SquaredEuclideanDistance_LL_vectorized_optimized, SquaredEuclideanDistance_LM_matrix, and SquaredEuclideanDistance_LM_matrix_optimized.

convToMatrix()

static gsl_matrix SquaredEuclideanDistanceUtils::convToMatrix ( const gsl_vector *  v, size_t  N  )

inlinestaticprotectednoexcept

convert an gsl_vector to a N column gsl_matrix

Parameters

v	vector to be converted
N	number of columns

Returns

the matrix view using same memory as the vector

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

• lib/math_utils/squared_euclidean_distance_utils.h