ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes > Class Template Reference

template<typename... ColTypes>
class ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >

Loading chunks made in RChunkLoader into tensors from data from RDataFrame.

Definition at line 37 of file RChunkLoader.hxx.

Public Member Functions
	RChunkLoaderFunctor (RFlat2DMatrix &chunkTensor, std::size_t numColumns, const std::vector< std::size_t > &maxVecSizes, float vecPadding, int i)
void	operator() (const ColTypes &...cols)

Private Member Functions
template<typename T , std::enable_if_t<!ROOT::Internal::RDF::IsDataContainer< T >::value, int > = 0>
void	AssignToTensor (const T &val, int i, int numColumns)
	Copy the content of a column into RTensor when the column consits of single values.
template<typename T , std::enable_if_t< ROOT::Internal::RDF::IsDataContainer< T >::value, int > = 0>
void	AssignToTensor (const T &vec, int i, int numColumns)
	Copy the content of a column into RTensor when the column consits of vectors.

Private Attributes
RFlat2DMatrix &	fChunkTensor
int	fI
std::vector< std::size_t >	fMaxVecSizes {}
std::size_t	fNumChunkCols
int	fNumColumns
std::size_t	fOffset {}
float	fVecPadding {}
std::size_t	fVecSizeIdx {}

#include <ROOT/ML/RChunkLoader.hxx>

Constructor & Destructor Documentation

RChunkLoaderFunctor()

template<typename... ColTypes>

ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::RChunkLoaderFunctor ( RFlat2DMatrix & chunkTensor, std::size_t numColumns, const std::vector< std::size_t > & maxVecSizes, float vecPadding, int i )

inline

Definition at line 80 of file RChunkLoader.hxx.

Member Function Documentation

AssignToTensor() [1/2]

template<typename... ColTypes>

template<typename T , std::enable_if_t<!ROOT::Internal::RDF::IsDataContainer< T >::value, int > = 0>

void ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::AssignToTensor ( const T & val, int i, int numColumns )

inlineprivate

Copy the content of a column into RTensor when the column consits of single values.

Definition at line 72 of file RChunkLoader.hxx.

AssignToTensor() [2/2]

template<typename... ColTypes>

template<typename T , std::enable_if_t< ROOT::Internal::RDF::IsDataContainer< T >::value, int > = 0>

void ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::AssignToTensor ( const T & vec, int i, int numColumns )

inlineprivate

Copy the content of a column into RTensor when the column consits of vectors.

Definition at line 52 of file RChunkLoader.hxx.

operator()()

template<typename... ColTypes>

void ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::operator() ( const ColTypes &... cols )

inline

Definition at line 86 of file RChunkLoader.hxx.

Member Data Documentation

fChunkTensor

template<typename... ColTypes>

RFlat2DMatrix& ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fChunkTensor

private

Definition at line 42 of file RChunkLoader.hxx.

fI

template<typename... ColTypes>

int ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fI

private

Definition at line 46 of file RChunkLoader.hxx.

fMaxVecSizes

template<typename... ColTypes>

std::vector<std::size_t> ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fMaxVecSizes {}

private

Definition at line 41 of file RChunkLoader.hxx.

fNumChunkCols

template<typename... ColTypes>

std::size_t ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fNumChunkCols

private

Definition at line 44 of file RChunkLoader.hxx.

fNumColumns

template<typename... ColTypes>

int ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fNumColumns

private

Definition at line 47 of file RChunkLoader.hxx.

fOffset

template<typename... ColTypes>

std::size_t ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fOffset {}

private

Definition at line 38 of file RChunkLoader.hxx.

fVecPadding

template<typename... ColTypes>

float ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fVecPadding {}

private

Definition at line 40 of file RChunkLoader.hxx.

fVecSizeIdx

template<typename... ColTypes>

std::size_t ROOT::Experimental::Internal::ML::RChunkLoaderFunctor< ColTypes >::fVecSizeIdx {}

private

Definition at line 39 of file RChunkLoader.hxx.