View that shows a 4d sub matrix of an expression. More...

#include <sub_matrix_4d.hpp>

Inheritance diagram for etl::sub_matrix_4d< T, Aligned >:

Collaboration diagram for etl::sub_matrix_4d< T, Aligned >:

Public Types
using	this_type = sub_matrix_4d< T, Aligned >
	The type of this expression.

using	iterable_base_type = iterable< this_type, false >
	The iterable base type.

using	assignable_base_type = assignable< this_type, value_t< T > >
	The iterable base type.

using	sub_type = T
	The sub type.

using	value_type = value_t< sub_type >
	The value contained in the expression.

using	memory_type = memory_t< sub_type >
	The memory acess type.

using	const_memory_type = const_memory_t< sub_type >
	The const memory access type.

using	return_type = return_helper< sub_type, decltype(std::declval< sub_type >()[0])>
	The type returned by the view.

using	const_return_type = const_return_helper< sub_type, decltype(std::declval< sub_type >()[0])>
	The const type return by the view.

using	iterator = etl::iterator< this_type >
	The iterator type.

using	const_iterator = etl::iterator< const this_type >
	The const iterator type.

template<typename V = default_vec>
using	vec_type = typename V::template vec_type< value_type >
	The vectorization type for V.

Public Types inherited from etl::iterable< sub_matrix_4d< T, Aligned >, false >
using	derived_t = sub_matrix_4d< T, Aligned >
	The derived type.

Public Types inherited from etl::assignable< sub_matrix_4d< T, Aligned >, value_t< T > >
using	derived_t = sub_matrix_4d< T, Aligned >
	The derived type.

using	value_type = value_t< T >
	The value type.

Public Types inherited from etl::value_testable< sub_matrix_4d< T, Aligned > >
using	derived_t = sub_matrix_4d< T, Aligned >
	The derived type.

Public Types inherited from etl::inplace_assignable< sub_matrix_4d< T, Aligned > >
using	derived_t = sub_matrix_4d< T, Aligned >
	The derived type.

Public Member Functions
	sub_matrix_4d (sub_type sub_expr, size_t i, size_t j, size_t k, size_t l, size_t m, size_t n, size_t o, size_t p)
	Construct a new sub_matrix_4d over the given sub expression. More...

const_return_type	operator[] (size_t f) const
	Returns the element at the given index. More...

return_type	operator[] (size_t f)
	Returns the element at the given index. More...

value_type	read_flat (size_t f) const noexcept(assert_nothrow)
	Returns the value at the given index This function never has side effects. More...

	ETL_STRONG_INLINE (const_return_type) operator()(size_t i
	Access to the element at the given (args...) position. More...

	cpp_assert (j< n, "Invalid 4d index inside sub_matrix_4d")

	cpp_assert (k< o, "Invalid 4d index inside sub_matrix_4d")

	cpp_assert (l< p, "Invalid 4d index inside sub_matrix_4d")

return	sub_expr (base_i+i, base_j+j, base_k+k, base_l+l)

	ETL_STRONG_INLINE (return_type) operator()(size_t i
	Access to the element at the given (args...) position. More...

	cpp_assert (j< n, "Invalid 4d index inside sub_matrix_4d")

	cpp_assert (k< o, "Invalid 4d index inside sub_matrix_4d")

	cpp_assert (l< p, "Invalid 4d index inside sub_matrix_4d")

return	sub_expr (base_i+i, base_j+j, base_k+k, base_l+l)

auto	operator() (size_t x) const
	Creates a sub view of the matrix, effectively removing the first dimension and fixing it to the given index. More...

template<typename E >
bool	alias (const E &rhs) const noexcept
	Test if this expression aliases with the given expression. More...

size_t &	unsafe_dimension_access (size_t x)
	Returns a reference to the ith dimension value. More...

template<typename L >
void	assign_to (L &&lhs) const
	Assign to the given left-hand-side expression. More...

template<typename L >
void	assign_add_to (L &&lhs) const
	Add to the given left-hand-side expression. More...

template<typename L >
void	assign_sub_to (L &&lhs) const
	Sub from the given left-hand-side expression. More...

template<typename L >
void	assign_mul_to (L &&lhs) const
	Multiply the given left-hand-side expression. More...

template<typename L >
void	assign_div_to (L &&lhs) const
	Divide the given left-hand-side expression. More...

template<typename L >
void	assign_mod_to (L &&lhs) const
	Modulo the given left-hand-side expression. 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.

void	visit (detail::evaluator_visitor &visitor) const
	Apply the given visitor to this expression and its descendants. More...

Public Member Functions inherited from etl::iterable< sub_matrix_4d< T, Aligned >, false >
derived_t &	as_derived () noexcept
	Returns a reference to the derived object, i.e. the object using the CRTP injector. More...

const derived_t &	as_derived () const noexcept
	Returns a reference to the derived object, i.e. the object using the CRTP injector. More...

auto	begin () noexcept
	Return an iterator to the first element of the matrix. More...

auto	begin () const noexcept
	Return an iterator to the first element of the matrix. More...

auto	end () noexcept
	Return an iterator to the past-the-end element of the matrix. More...

auto	end () const noexcept
	Return an iterator to the past-the-end element of the matrix. More...

auto	cbegin () const noexcept
	Return an iterator to the first element of the matrix. More...

auto	cend () const noexcept
	Return an iterator to the past-the-end element of the matrix. More...

Public Member Functions inherited from etl::assignable< sub_matrix_4d< T, Aligned >, value_t< T > >
derived_t &	operator= (E &&e)
	Assign the given expression to the unary expression. More...

derived_t &	operator= (const value_type &v)
	Assign the given expression to the unary expression. More...

derived_t &	operator= (const Container &vec) requires(std
	Assign the given container to the unary expression. More...

Public Member Functions inherited from etl::value_testable< sub_matrix_4d< T, Aligned > >
derived_t &	as_derived () noexcept
	Returns a reference to the derived object, i.e. the object using the CRTP injector. More...

const derived_t &	as_derived () const noexcept
	Returns a reference to the derived object, i.e. the object using the CRTP injector. More...

bool	is_finite () const noexcept
	Indicates if the expression contains only finite values. More...

bool	is_zero () const noexcept
	Indicates if the expression contains only zero values. More...

bool	is_diagonal () const noexcept
	Indicates if the expression is diagonal. More...

bool	is_uniform () const noexcept
	Indicates if the expression is uniform, i.e. all elements are of the same value. More...

Public Member Functions inherited from etl::inplace_assignable< sub_matrix_4d< T, Aligned > >
derived_t &	as_derived () noexcept
	Returns a reference to the derived object, i.e. the object using the CRTP injector. More...

derived_t &	scale_inplace (E &&e)
	Scale the matrix by the factor e, in place. More...

derived_t &	fflip_inplace () requires(mat_or_vec< derived_t >)
	Flip the matrix horizontally and vertically, in place.

derived_t &	deep_fflip_inplace ()
	Fully flip each sub 2D matrix in place.

derived_t &	deep_transpose_inplace ()
	Transpose each sub 2D matrix in place.

derived_t &	direct_deep_transpose_inplace ()
	Transpose each sub 2D matrix in place.

derived_t &	transpose_inplace () requires(etl_2d< derived_t >)
	Transpose the matrix in place. More...

derived_t &	direct_transpose_inplace () requires(etl_2d< derived_t >)
	Transpose the matrix in place. More...

derived_t &	fft_inplace () requires(etl_1d< derived_t > &&etl_complex_expr< derived_t >)
	Perform inplace 1D FFT of the vector.

derived_t &	fft_many_inplace () requires(matrix< derived_t > &&etl_complex_expr< derived_t >)
	Perform many inplace 1D FFT of the matrix. More...

derived_t &	ifft_inplace () requires(etl_1d< derived_t > &&etl_complex_expr< derived_t >)
	Perform inplace 1D Inverse FFT of the vector.

derived_t &	ifft_many_inplace () requires(matrix< derived_t > &&etl_complex_expr< derived_t >)
	Perform many inplace 1D Inverse FFT of the vector.

derived_t &	fft2_inplace () requires(etl_2d< derived_t > &&etl_complex_expr< derived_t >)
	Perform inplace 2D FFT of the matrix.

derived_t &	fft2_many_inplace () requires(deep_mat< derived_t > &&etl_complex_expr< derived_t >)
	Perform many inplace 2D FFT of the matrix. More...

derived_t &	ifft2_inplace () requires(etl_2d< derived_t > &&etl_complex_expr< derived_t >)
	Perform inplace 2D Inverse FFT of the matrix.

derived_t &	ifft2_many_inplace () requires(deep_mat< derived_t > &&etl_complex_expr< derived_t >)
	Perform many inplace 2D Inverse FFT of the matrix.

Public Attributes
size_t	j

size_t size_t	k

size_t size_t size_t l	const

size_t size_t size_t	l

Friends
struct	etl_traits< sub_matrix_4d >

std::ostream &	operator<< (std::ostream &os, const sub_matrix_4d &v)
	Print a representation of the view on the given stream. More...

Detailed Description

template<etl_expr T, bool Aligned>
struct etl::sub_matrix_4d< T, Aligned >

View that shows a 4d sub matrix of an expression.

Template Parameters

T	The type of expression on which the view is made

Constructor & Destructor Documentation

◆ sub_matrix_4d()

template<etl_expr T, bool Aligned>

etl::sub_matrix_4d< T, Aligned >::sub_matrix_4d	(	sub_type	sub_expr,
		size_t	i,
		size_t	j,
		size_t	k,
		size_t	l,
		size_t	m,
		size_t	n,
		size_t	o,
		size_t	p
	)

inline

Construct a new sub_matrix_4d over the given sub expression.

Parameters

sub_expr	The sub expression
i	The sub index

Member Function Documentation

◆ alias()

template<etl_expr T, bool Aligned>

template<typename E >

bool etl::sub_matrix_4d< T, Aligned >::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

◆ assign_add_to()

template<etl_expr T, bool Aligned>

template<typename L >

void etl::sub_matrix_4d< T, Aligned >::assign_add_to ( L && lhs ) const

inline

Add to the given left-hand-side expression.

Parameters

lhs	The expression to which assign

◆ assign_div_to()

template<etl_expr T, bool Aligned>

template<typename L >

void etl::sub_matrix_4d< T, Aligned >::assign_div_to ( L && lhs ) const

inline

Divide the given left-hand-side expression.

Parameters

lhs	The expression to which assign

◆ assign_mod_to()

template<etl_expr T, bool Aligned>

template<typename L >

void etl::sub_matrix_4d< T, Aligned >::assign_mod_to ( L && lhs ) const

inline

Modulo the given left-hand-side expression.

Parameters

lhs	The expression to which assign

◆ assign_mul_to()

template<etl_expr T, bool Aligned>

template<typename L >

void etl::sub_matrix_4d< T, Aligned >::assign_mul_to ( L && lhs ) const

inline

Multiply the given left-hand-side expression.

Parameters

lhs	The expression to which assign

◆ assign_sub_to()

template<etl_expr T, bool Aligned>

template<typename L >

void etl::sub_matrix_4d< T, Aligned >::assign_sub_to ( L && lhs ) const

inline

Sub from the given left-hand-side expression.

Parameters

lhs	The expression to which assign

◆ assign_to()

template<etl_expr T, bool Aligned>

template<typename L >

void etl::sub_matrix_4d< T, Aligned >::assign_to ( L && lhs ) const

inline

Assign to the given left-hand-side expression.

Parameters

lhs	The expression to which assign

◆ ETL_STRONG_INLINE() [1/2]

template<etl_expr T, bool Aligned>

etl::sub_matrix_4d< T, Aligned >::ETL_STRONG_INLINE ( const_return_type )

Access to the element at the given (args...) position.

Parameters

i	The first index
j	The second index

Returns: a reference to the element at the given position.

◆ ETL_STRONG_INLINE() [2/2]

template<etl_expr T, bool Aligned>

etl::sub_matrix_4d< T, Aligned >::ETL_STRONG_INLINE ( return_type )

Access to the element at the given (args...) position.

Parameters

i	The first index
j	The second index

Returns: a reference to the element at the given position.

◆ operator()()

template<etl_expr T, bool Aligned>

auto etl::sub_matrix_4d< T, Aligned >::operator() ( size_t x ) const

inline

Creates a sub view of the matrix, effectively removing the first dimension and fixing it to the given index.

Parameters

x	The index to use

Returns: a sub view of the matrix at position x.

◆ operator[]() [1/2]

template<etl_expr T, bool Aligned>

const_return_type etl::sub_matrix_4d< T, Aligned >::operator[] ( size_t f ) const

inline

Returns the element at the given index.

Parameters

f The index

Returns: a reference to the element at the given index.

◆ operator[]() [2/2]

template<etl_expr T, bool Aligned>

return_type etl::sub_matrix_4d< T, Aligned >::operator[] ( size_t f )

inline

Returns the element at the given index.

Parameters

f The index

Returns: a reference to the element at the given index.

◆ read_flat()

template<etl_expr T, bool Aligned>

value_type etl::sub_matrix_4d< T, Aligned >::read_flat ( size_t f ) const

inlinenoexcept

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

Parameters

f The index

Returns: the value at the given index.

◆ unsafe_dimension_access()

template<etl_expr T, bool Aligned>

size_t& etl::sub_matrix_4d< T, Aligned >::unsafe_dimension_access ( size_t x )

inline

Returns a reference to the ith dimension value.

This should only be used internally and with care

Returns: a refernece to the ith dimension value.

◆ visit()

template<etl_expr T, bool Aligned>

void etl::sub_matrix_4d< T, Aligned >::visit ( detail::evaluator_visitor & 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<etl_expr T, bool Aligned>

std::ostream& operator<<	(	std::ostream &	os,
		const sub_matrix_4d< T, Aligned > &	v
	)

friend

Print a representation of the view on the given stream.

Parameters

os	The output stream
v	The view to print

Returns: the output stream

Member Data Documentation

◆ const

template<etl_expr T, bool Aligned>

size_t size_t size_t l etl::sub_matrix_4d< T, Aligned >::const

Initial value:

{

cpp_assert(i < m, "Invalid 4d index inside sub_matrix_4d")

◆ l

template<etl_expr T, bool Aligned>

size_t size_t size_t etl::sub_matrix_4d< T, Aligned >::l

Initial value:

{

cpp_assert(i < m, "Invalid 4d index inside sub_matrix_4d")

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

include/etl/expr_fwd.hpp
include/etl/op/sub_matrix_4d.hpp

Public Types

Public Member Functions

Public Attributes

Friends

Detailed Description

template<etl_expr T, bool Aligned> struct etl::sub_matrix_4d< T, Aligned >

Constructor & Destructor Documentation

◆ sub_matrix_4d()

Member Function Documentation

◆ alias()

◆ assign_add_to()

◆ assign_div_to()

◆ assign_mod_to()

◆ assign_mul_to()

◆ assign_sub_to()

◆ assign_to()

◆ ETL_STRONG_INLINE() [1/2]

◆ ETL_STRONG_INLINE() [2/2]

◆ operator()()

◆ operator[]() [1/2]

◆ operator[]() [2/2]

◆ read_flat()

◆ unsafe_dimension_access()

◆ visit()

Friends And Related Function Documentation

◆ operator<<

Member Data Documentation

◆ const

◆ l

template<etl_expr T, bool Aligned>
struct etl::sub_matrix_4d< T, Aligned >