Acts::AnnealingUtility Class Reference

Implements a deterministic thermodynamic annealing scheme Ref. (1): CERN-THESIS-2010-027. More...

#include <acts/blob/master/Core/include/Acts/Utilities/AnnealingUtility.hpp>

Collaboration diagram for Acts::AnnealingUtility:

Classes
struct	Config
	The configuration struct. More...
struct	State
	The annealing state Resetting the state is done by just creating a new instance. More...

Public Member Functions
	AnnealingUtility (const Config &cfg=Config())
	Constructor.
void	anneal (State &state) const
	Does the actual annealing step.
double	getWeight (State &state, double chi2, const std::vector< double > &allChi2) const
	Weight access.
double	getWeight (State &state, double chi2) const
	Weight access.

Private Attributes
Config	m_cfg
	Configuration object.

Detailed Description

Implements a deterministic thermodynamic annealing scheme Ref. (1): CERN-THESIS-2010-027.

Definition at line 17 of file AnnealingUtility.hpp.

View newest version in sPHENIX GitHub at line 17 of file AnnealingUtility.hpp

Constructor & Destructor Documentation

Acts::AnnealingUtility::AnnealingUtility ( const Config &  cfg = Config() )

inline

Constructor.

Definition at line 45 of file AnnealingUtility.hpp.

View newest version in sPHENIX GitHub at line 45 of file AnnealingUtility.hpp

Member Function Documentation

void Acts::AnnealingUtility::anneal

(

State &

state

)

const

Does the actual annealing step.

Definition at line 21 of file AnnealingUtility.cpp.

View newest version in sPHENIX GitHub at line 21 of file AnnealingUtility.cpp

References Acts::AnnealingUtility::State::currentTemperatureIndex, Acts::AnnealingUtility::State::equilibriumReached, m_cfg, and Acts::AnnealingUtility::Config::setOfTemperatures.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE().

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double Acts::AnnealingUtility::getWeight	(	State &	state,
		double	chi2,
		const std::vector< double > &	allChi2
	)		const

Weight access.

Parameters

chi2	Chi^2 for e.g. current track, i.e. compatibility of track to current vertex candidate
allChi2	Vector of all chi^2 values, i.e. e.g. compatibilities of current track to all vertices it is currently attached to

Returns

Calculated weight according to Eq.(5.46) in Ref.(1)

Definition at line 29 of file AnnealingUtility.cpp.

View newest version in sPHENIX GitHub at line 29 of file AnnealingUtility.cpp

References Acts::AnnealingUtility::State::currentTemperatureIndex, denom, and gaussFunc().

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE().

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double Acts::AnnealingUtility::getWeight	(	State &	state,
		double	chi2
	)		const

Weight access.

Parameters

chi2

Chi^2

Returns

Calculated weight

Definition at line 45 of file AnnealingUtility.cpp.

View newest version in sPHENIX GitHub at line 45 of file AnnealingUtility.cpp

References Acts::AnnealingUtility::State::currentTemperatureIndex, and gaussFunc().

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Member Data Documentation

Config Acts::AnnealingUtility::m_cfg

private

Configuration object.

Definition at line 70 of file AnnealingUtility.hpp.

View newest version in sPHENIX GitHub at line 70 of file AnnealingUtility.hpp

Referenced by anneal().

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

• acts/blob/master/Core/include/Acts/Utilities/AnnealingUtility.hpp
• acts/blob/master/Core/src/Utilities/AnnealingUtility.cpp