codac::CtcLohner Class Reference

\(\mathcal{C}_\textrm{lohner}\) that contracts a tube \([\mathbf{x}](\cdot)\) according to a differential constraint \(\dot{\mathbf{x}}=\mathbf{f}(\mathbf{x})\) More...

#include <codac_CtcLohner.h>

Inheritance diagram for codac::CtcLohner:

Collaboration diagram for codac::CtcLohner:

Public Member Functions
	CtcLohner (const Function &f, int contractions=5, double eps=0.1)
	Creates a contractor object \(\mathcal{C}_\textrm{lohner}\). More...
void	contract (codac::TubeVector &tube, TimePropag t_propa=TimePropag::FORWARD|TimePropag::BACKWARD)
	Contracts the tube with respect to the specified differential constraint, either forward, backward (or both) in time. More...
void	contract (codac::Tube &tube, TimePropag t_propa=TimePropag::FORWARD|TimePropag::BACKWARD)
	Contracts the tube with respect to the specified differential constraint, either forward, backward (or both) in time. More...
Public Member Functions inherited from codac::DynCtc
	DynCtc (bool intertemporal=true)
	Creates a contractor. More...
virtual	~DynCtc ()
	DynCtc destructor.
void	preserve_slicing (bool preserve=true)
	Specifies whether the contractor can impact the tube's slicing or not. More...
void	set_fast_mode (bool fast_mode=true)
	Specifies an optional fast mode of contraction. More...
void	restrict_tdomain (const Interval &tdomain)
	Limits the temporal domain of contractions. More...
bool	is_intertemporal () const
	Tests if the related constraint is inter-temporal or not. More...

Protected Attributes
Function	m_f
	forward function
int	contractions
	number of contractions of the global enclosure by the estimated local enclosure
int	dim
	dimension of the state vector
double	eps
	inflation parameter for the global enclosure
Protected Attributes inherited from codac::DynCtc
bool	m_preserve_slicing = true
	if true, tube's slicing will not be affected by the contractor
bool	m_fast_mode = false
	some contractors may propose more pessimistic but faster execution modes
Interval	m_restricted_tdomain
	limits the contractions to the specified temporal domain
const bool	m_intertemporal = true
	defines if the related constraint is inter-temporal or not (true by default)

Static Protected Attributes
static const std::string	m_ctc_name
	class name (mainly used for CN Exceptions)
static std::vector< std::string >	m_str_expected_doms
	allowed domains signatures (mainly used for CN Exceptions)

Detailed Description

\(\mathcal{C}_\textrm{lohner}\) that contracts a tube \([\mathbf{x}](\cdot)\) according to a differential constraint \(\dot{\mathbf{x}}=\mathbf{f}(\mathbf{x})\)

Constructor & Destructor Documentation

CtcLohner()

codac::CtcLohner::CtcLohner ( const Function &  f, int  contractions = 5, double  eps = 0.1  )

explicit

Creates a contractor object \(\mathcal{C}_\textrm{lohner}\).

Parameters

f	function corresponding to the differential constraint \(\dot{\mathbf{x}}=\mathbf{f}(\mathbf{x})\)
contractions	number of contractions of the global enclosure by the estimated local enclosure
eps	inflation parameter for the global enclosure

Member Function Documentation

contract() [1/2]

void codac::CtcLohner::contract	(	codac::TubeVector &	tube,
		TimePropag	t_propa = TimePropag::FORWARD|TimePropag::BACKWARD
	)

Contracts the tube with respect to the specified differential constraint, either forward, backward (or both) in time.

Parameters

tube	tube to contract
t_propa	direction of contraction

contract() [2/2]

void codac::CtcLohner::contract	(	codac::Tube &	tube,
		TimePropag	t_propa = TimePropag::FORWARD|TimePropag::BACKWARD
	)

Contracts the tube with respect to the specified differential constraint, either forward, backward (or both) in time.

Parameters

tube	tube to contract
t_propa	direction of contraction

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

• /home/simon/codac/src/core/contractors/dyn/codac_CtcLohner.h