MRPT  2.0.4
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nanoflann::L1_Adaptor< T, DataSource, _DistanceType > Struct Template Reference

Detailed Description

template<class T, class DataSource, typename _DistanceType = T>
struct nanoflann::L1_Adaptor< T, DataSource, _DistanceType >

Manhattan distance functor (generic version, optimized for high-dimensionality data sets).

Corresponding distance traits: nanoflann::metric_L1

Template Parameters
TType of the elements (e.g. double, float, uint8_t)
_DistanceTypeType of distance variables (must be signed) (e.g. float, double, int64_t)

Definition at line 258 of file nanoflann.hpp.

#include <nanoflann.hpp>

Public Types

typedef T ElementType
 
typedef _DistanceType DistanceType
 

Public Member Functions

 L1_Adaptor (const DataSource &_data_source)
 
DistanceType operator() (const T *a, const size_t b_idx, size_t size, DistanceType worst_dist=-1) const
 
template<typename U , typename V >
DistanceType accum_dist (const U a, const V b, int) const
 

Public Attributes

const DataSource & data_source
 

Member Typedef Documentation

◆ DistanceType

template<class T , class DataSource , typename _DistanceType = T>
typedef _DistanceType nanoflann::L1_Adaptor< T, DataSource, _DistanceType >::DistanceType

Definition at line 261 of file nanoflann.hpp.

◆ ElementType

template<class T , class DataSource , typename _DistanceType = T>
typedef T nanoflann::L1_Adaptor< T, DataSource, _DistanceType >::ElementType

Definition at line 260 of file nanoflann.hpp.

Constructor & Destructor Documentation

◆ L1_Adaptor()

template<class T , class DataSource , typename _DistanceType = T>
nanoflann::L1_Adaptor< T, DataSource, _DistanceType >::L1_Adaptor ( const DataSource &  _data_source)
inline

Definition at line 265 of file nanoflann.hpp.

Member Function Documentation

◆ accum_dist()

template<class T , class DataSource , typename _DistanceType = T>
template<typename U , typename V >
DistanceType nanoflann::L1_Adaptor< T, DataSource, _DistanceType >::accum_dist ( const U  a,
const V  b,
int   
) const
inline

Definition at line 294 of file nanoflann.hpp.

◆ operator()()

template<class T , class DataSource , typename _DistanceType = T>
DistanceType nanoflann::L1_Adaptor< T, DataSource, _DistanceType >::operator() ( const T *  a,
const size_t  b_idx,
size_t  size,
DistanceType  worst_dist = -1 
) const
inline

Definition at line 267 of file nanoflann.hpp.

References nanoflann::KNNResultSet< DistanceType, IndexType, CountType >::size().

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Member Data Documentation

◆ data_source

template<class T , class DataSource , typename _DistanceType = T>
const DataSource& nanoflann::L1_Adaptor< T, DataSource, _DistanceType >::data_source

Definition at line 263 of file nanoflann.hpp.




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