Acts::DoubletsForMiddleSp Class Reference

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

#include <Acts/Seeding2/DoubletSeedFinder.hpp>

Classes
struct	IndexAndCotTheta
	Pair of doublet index and cotTheta value. More...
class	Proxy
	Proxy accessor for a single doublet entry. More...
class	Proxy2
	Same as Proxy but also contains cotTheta. More...
class	Range
	Range view over doublets in the container. More...
class	Subset
	Subset view of doublets addressed by indices. More...
class	Subset2
	Subset view of doublets addressed by index and cotTheta pairs. More...

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.

Member Function Documentation

begin()

const_iterator Acts::DoubletsForMiddleSp::begin

(

)

const

Get iterator to beginning of doublets container.

Returns

Const iterator to first doublet

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