etl::magic_view< V > Struct Template Reference

A view (virtual) of a dynamic magic matrix. More...

#include <virtual_views.hpp>

Public Types
using	value_type = V
	The value type in the matrix.

Public Member Functions
	magic_view (size_t n)
	Construct a new magic_view with the given dimension.
value_type	operator[] (size_t i)
	Returns the element at the given index. More...
value_type	operator[] (size_t i) const
	Returns the element at the given index. More...
value_type	read_flat (size_t i) const
	Returns the value at the given index This function never has side effects. More...
value_type	operator() (size_t i, size_t j)
	Access to the value at the given (i, j) position. More...
value_type	operator() (size_t i, size_t j) const
	Access to the value at the given (i, j) position. More...
template<typename E >
constexpr bool	alias (const E &rhs) const noexcept
	Test if this expression aliases with the given expression. More...
template<typename Visitor >
void	visit ([[maybe_unused]] Visitor &&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.

Public Attributes
const size_t	n
	The dimensions of the magic matrix.

Static Public Attributes
static constexpr bool	gpu_computable = false

Detailed Description

template<typename V>
struct etl::magic_view< V >

A view (virtual) of a dynamic magic matrix.

Member Function Documentation

alias()

template<typename V >

template<typename E >

constexpr bool etl::magic_view< V >::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()() [1/2]

template<typename V >

value_type etl::magic_view< V >::operator() ( size_t  i, size_t  j  )

inline

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

Parameters

i	The first index
j	The second index

Returns

The value at the position (i, j)

operator()() [2/2]

template<typename V >

value_type etl::magic_view< V >::operator() ( size_t  i, size_t  j  ) const

inline

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

Parameters

i	The first index
j	The second index

Returns

The value at the position (i, j)

operator[]() [1/2]

template<typename V >

value_type etl::magic_view< V >::operator[] ( size_t  i )

inline

Returns the element at the given index.

Parameters

i

The index

Returns

a reference to the element at the given index.

operator[]() [2/2]

template<typename V >

value_type etl::magic_view< V >::operator[] ( size_t  i ) const

inline

Returns the element at the given index.

Parameters

i

The index

Returns

a reference to the element at the given index.

read_flat()

template<typename V >

value_type etl::magic_view< V >::read_flat ( size_t  i ) const

inline

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

Parameters

i

The index

Returns

the value at the given index.

visit()

template<typename V >

template<typename Visitor >

void etl::magic_view< V >::visit ( [[maybe_unused] ] Visitor &&  visitor ) const

inline

Apply the given visitor to this expression and its descendants.

Parameters

visitor

The visitor to apply

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

• include/etl/op/virtual_views.hpp