Acts::DoubletsForMiddleSp Class Reference

Container for doublets found by the doublet seed finder. More...

#include <Acts/Seeding2/DoubletSeedFinder.hpp>

Classes
struct	IndexAndCotTheta
class	Proxy
class	Proxy2
	Same as Proxy but also contains cotTheta. More...
class	Range
class	Subset
class	Subset2

Public Types
using	const_iterator
	Type alias for const iterator over doublets in container.
using	Index = std::uint32_t
	Type alias for index type used in doublets container.
using	IndexAndCotThetaSubset = std::span<const IndexAndCotTheta>
	Type alias for subset of index and cotTheta pairs.
using	IndexRange = std::pair<Index, Index>
	Type alias for range of indices in doublets container.
using	IndexSubset = std::span<const Index>
	Type alias for subset of indices in doublets container.

Public Member Functions
const_iterator	begin () const
	Get iterator to beginning of doublets container.
void	clear ()
	Clear all stored doublets and associated data.
const std::vector< float > &	cotTheta () const
	Get reference to cotTheta values container.
void	emplace_back (SpacePointIndex2 sp, float cotTheta, float iDeltaR, float er, float u, float v, float x, float y)
	Add a new doublet with associated parameters.
bool	empty () const
	Check if the doublets container is empty.
const_iterator	end () const
	Get iterator to end of doublets container.
Proxy	operator[] (Index index) const
	Access doublet by index.
Proxy2	operator[] (IndexAndCotTheta indexAndCotTheta) const
	Access doublet by index and cotTheta pair.
Range	range () const noexcept
	Get range view of all doublets.
Range	range (const IndexRange &range) const noexcept
	Get range view of doublets within specified index range.
Index	size () const
	Get the number of doublets in container.
void	sortByCotTheta (const IndexRange &range, std::vector< IndexAndCotTheta > &indexAndCotTheta) const
	Sort doublets by cotTheta within given range.
const std::vector< SpacePointIndex2 > &	spacePoints () const
	Get reference to space point indices container.
Subset2	subset (const IndexAndCotThetaSubset &subset) const noexcept
	Create subset view from index and cotTheta subset.
Subset	subset (const IndexSubset &subset) const noexcept
	Create subset view from index subset.

Detailed Description

Container for doublets found by the doublet seed finder.

This implementation uses partial AoS/SoA depending on the access pattern in the doublet finding process.

Member Typedef Documentation

const_iterator

using Acts::DoubletsForMiddleSp::const_iterator

Initial value:

 
      detail::ContainerIterator<DoubletsForMiddleSp, Proxy, Index, true>

Type alias for const iterator over doublets in container.

Index

using Acts::DoubletsForMiddleSp::Index = std::uint32_t

Type alias for index type used in doublets container.

IndexAndCotThetaSubset

using Acts::DoubletsForMiddleSp::IndexAndCotThetaSubset = std::span<const IndexAndCotTheta>

Type alias for subset of index and cotTheta pairs.

IndexRange

using Acts::DoubletsForMiddleSp::IndexRange = std::pair<Index, Index>

Type alias for range of indices in doublets container.

IndexSubset

using Acts::DoubletsForMiddleSp::IndexSubset = std::span<const Index>

Type alias for subset of indices in doublets container.

Member Function Documentation

begin()

const_iterator Acts::DoubletsForMiddleSp::begin

(

)

const

Get iterator to beginning of doublets container.

Returns

Const iterator to first doublet

clear()

void Acts::DoubletsForMiddleSp::clear

(

)

Clear all stored doublets and associated data.

cotTheta()

const std::vector< float > & Acts::DoubletsForMiddleSp::cotTheta

(

)

const

Get reference to cotTheta values container.

Returns

Const reference to cotTheta values vector

emplace_back()

void Acts::DoubletsForMiddleSp::emplace_back	(	SpacePointIndex2	sp,
		float	cotTheta,
		float	iDeltaR,
		float	er,
		float	u,
		float	v,
		float	x,
		float	y )

Add a new doublet with associated parameters.

Parameters

sp	Space point index for the doublet
cotTheta	Cotangent of polar angle
iDeltaR	Inverse delta R parameter
er	Error in R coordinate
u	U coordinate parameter
v	V coordinate parameter
x	X coordinate
y	Y coordinate

empty()

bool Acts::DoubletsForMiddleSp::empty ( ) const

nodiscard

Check if the doublets container is empty.

Returns

True if container has no doublets

end()

const_iterator Acts::DoubletsForMiddleSp::end

(

)

const

Get iterator to end of doublets container.

Returns

Const iterator past the last doublet

operator[]() [1/2]

Proxy Acts::DoubletsForMiddleSp::operator[]

(

Index

index

)

const

Access doublet by index.

Parameters

index

Index of the doublet to access

Returns

Proxy object for the doublet

operator[]() [2/2]

Proxy2 Acts::DoubletsForMiddleSp::operator[]

(

IndexAndCotTheta

indexAndCotTheta

)

const

Access doublet by index and cotTheta pair.

Parameters

indexAndCotTheta

Index and cotTheta pair for the doublet

Returns

Proxy2 object for the doublet with precomputed cotTheta

range() [1/2]

Range Acts::DoubletsForMiddleSp::range ( ) const

noexcept

Get range view of all doublets.

Returns

Range object covering all doublets

range() [2/2]

Range Acts::DoubletsForMiddleSp::range ( const IndexRange & range ) const

noexcept

Get range view of doublets within specified index range.

Parameters

range

Index range to create view for

Returns

Range object covering specified doublets

size()

Index Acts::DoubletsForMiddleSp::size ( ) const

nodiscard

Get the number of doublets in container.

Returns

Number of doublets stored

sortByCotTheta()

void Acts::DoubletsForMiddleSp::sortByCotTheta	(	const IndexRange &	range,
		std::vector< IndexAndCotTheta > &	indexAndCotTheta ) const

Sort doublets by cotTheta within given range.

Parameters

range	Index range to sort within
indexAndCotTheta	Output vector containing sorted index and cotTheta pairs

spacePoints()

const std::vector< SpacePointIndex2 > & Acts::DoubletsForMiddleSp::spacePoints

(

)

const

Get reference to space point indices container.

Returns

Const reference to space point indices vector

subset() [1/2]

Subset2 Acts::DoubletsForMiddleSp::subset ( const IndexAndCotThetaSubset & subset ) const

noexcept

Create subset view from index and cotTheta subset.

Parameters

subset

Span of index and cotTheta pairs to include

Returns

Subset2 object with precomputed cotTheta values

subset() [2/2]

Subset Acts::DoubletsForMiddleSp::subset ( const IndexSubset & subset ) const

noexcept

Create subset view from index subset.

Parameters

subset

Span of indices to include in subset

Returns

Subset object for the specified indices