etl::mean_l_transformer< T > Struct Template Reference

Transform (dynamic) that averages the expression from the left, effectively removing the left dimension. More...

#include <reduc_transformers.hpp>

Public Types
using	sub_type = T
	The type on which the expression works.
using	value_type = value_t< T >
	The type of valuie.

Public Member Functions
	mean_l_transformer (sub_type expr)
	Construct a new transformer around the given expression. More...
value_type	operator[] (size_t j) const
	Returns the value at the given index. More...
value_type	read_flat (size_t j) const noexcept
	Returns the value at the given index This function never has side effects. More...
template<typename... Sizes>
value_type	operator() (size_t j, Sizes... sizes) const
	Access to the value at the given (j, sizes...) position. More...
template<typename E >
bool	alias (const E &rhs) const noexcept
	Test if this expression aliases with the given expression. More...
template<typename V >
void	visit (V &&visitor) const
	Apply the given visitor to this expression and its descendants. More...
void	ensure_cpu_up_to_date () const
	Ensures that the GPU memory is allocated and that the GPU memory is up to date (to undefined value).
void	ensure_gpu_up_to_date () const
	Copy back from the GPU to the expression memory if necessary.

Static Public Attributes
static constexpr bool	gpu_computable = false

Friends
struct	etl_traits< mean_l_transformer >
std::ostream &	operator<< (std::ostream &os, const mean_l_transformer &transformer)
	Display the transformer on the given stream. More...

Detailed Description

template<typename T>
struct etl::mean_l_transformer< T >

Transform (dynamic) that averages the expression from the left, effectively removing the left dimension.

Template Parameters

T	The type on which the transformer is applied

Constructor & Destructor Documentation

mean_l_transformer()

template<typename T >

etl::mean_l_transformer< T >::mean_l_transformer ( sub_type  expr )

inlineexplicit

Construct a new transformer around the given expression.

Parameters

expr	The sub expression

Member Function Documentation

alias()

template<typename T >

template<typename E >

bool etl::mean_l_transformer< T >::alias ( const E &  rhs ) const

inlinenoexcept

Test if this expression aliases with the given expression.

Parameters

rhs	The other expression to test

Returns

true if the two expressions aliases, false otherwise

operator()()

template<typename T >

template<typename... Sizes>

value_type etl::mean_l_transformer< T >::operator() ( size_t  j, Sizes...  sizes  ) const

inline

Access to the value at the given (j, sizes...) position.

Parameters

j	The first index
sizes	The remaining indices

Returns

The value at the position (j, sizes...)

operator[]()

template<typename T >

value_type etl::mean_l_transformer< T >::operator[] ( size_t  j ) const

inline

Returns the value at the given index.

Parameters

j

The index

Returns

the value at the given index.

read_flat()

template<typename T >

value_type etl::mean_l_transformer< T >::read_flat ( size_t  j ) const

inlinenoexcept

Returns the value at the given index This function never has side effects.

Parameters

j

The index

Returns

the value at the given index.

visit()

template<typename T >

template<typename V >

void etl::mean_l_transformer< T >::visit ( V &&  visitor ) const

inline

Apply the given visitor to this expression and its descendants.

Parameters

visitor

The visitor to apply

Friends And Related Function Documentation

operator<<

template<typename T >

std::ostream& operator<< ( std::ostream &  os, const mean_l_transformer< T > &  transformer  )

friend

Display the transformer on the given stream.

Parameters

os	The output stream
transformer	The transformer to print

Returns

the output stream

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

• include/etl/op/reduc_transformers.hpp