CglValidator Class Reference

Class to validate or reject a cut. More...

#include <CglLandPValidator.hpp>

List of all members.

Public Types
	NoneAccepted = 0
	SmallViolation
	Violation of the cut is too small.
	SmallCoefficient
	There is a small coefficient we can not get rid off.
	BigDynamic
	Dynamic of coefficinet is too important.
	DenseCut
	cut is too dense
	EmptyCut
	After cleaning cut has become empty.
	DummyEnd
	dummy
enum	RejectionsReasons {   NoneAccepted = 0, SmallViolation, SmallCoefficient, BigDynamic,   DenseCut, EmptyCut, DummyEnd }
	Reasons for rejecting a cut. More...
Public Member Functions
	CglValidator (double maxFillIn=1., double maxRatio=1e8, double minViolation=0, bool scale=false)
	Constructor with default values.
int	cleanCut (OsiRowCut &aCut, const double *solCut, const OsiSolverInterface &si, const CglParam &par) const
	Clean an OsiCut.
int	cleanCut2 (OsiRowCut &aCut, const double *solCut, const OsiSolverInterface &si, const CglParam &par) const
	Clean an OsiCut by another method.
int	operator() (OsiRowCut &aCut, const double *solCut, const OsiSolverInterface &si, const CglParam &par) const
	Call the cut cleaner.
const std::string &	failureString (RejectionsReasons code) const
const std::string &	failureString (int code) const
int	numRejected (RejectionsReasons code) const
int	numRejected (int code) const
set functions
void	setMaxFillIn (double value)
void	setMaxRatio (double value)
void	setMinViolation (double value)
get functions
double	getMaxFillIn ()
double	getMaxRatio ()
double	getMinViolation ()
Static Private Member Functions
static void	fillRejectionReasons ()
Private Attributes
double	maxFillIn_
	max percentage of given formulation fillIn should be accepted for cut fillin.
double	maxRatio_
	max ratio between smallest and biggest coefficient
double	minViolation_
	minimum violation for accepting a cut
bool	scale_
	Do we do scaling?
std::vector< int >	numRejected_
	Number of cut rejected for each of the reasons.
Static Private Attributes
static std::vector< std::string >	rejections_
	Strings explaining reason for rejections.

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Detailed Description

Class to validate or reject a cut.

Definition at line 20 of file CglLandPValidator.hpp.

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Member Enumeration Documentation

enum CglValidator::RejectionsReasons

Reasons for rejecting a cut.

Enumerator:

NoneAccepted
SmallViolation	Violation of the cut is too small.
SmallCoefficient	There is a small coefficient we can not get rid off.
BigDynamic	Dynamic of coefficinet is too important.
DenseCut	cut is too dense
EmptyCut	After cleaning cut has become empty.
DummyEnd	dummy

Definition at line 24 of file CglLandPValidator.hpp.

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Constructor & Destructor Documentation

CglValidator::CglValidator	(	double	maxFillIn = 1.,
		double	maxRatio = 1e8,
		double	minViolation = 0,
		bool	scale = false
	)

Constructor with default values.

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Member Function Documentation

int CglValidator::cleanCut	(	OsiRowCut &	aCut,
		const double *	solCut,
		const OsiSolverInterface &	si,
		const CglParam &	par
	)			const

Clean an OsiCut.

int CglValidator::cleanCut2	(	OsiRowCut &	aCut,
		const double *	solCut,
		const OsiSolverInterface &	si,
		const CglParam &	par
	)			const

Clean an OsiCut by another method.

Referenced by operator()().

int CglValidator::operator()	(	OsiRowCut &	aCut,
		const double *	solCut,
		const OsiSolverInterface &	si,
		const CglParam &	par
	)			const [inline]

Call the cut cleaner.

Definition at line 45 of file CglLandPValidator.hpp.

References cleanCut2().

void CglValidator::setMaxFillIn

(

double

value

)

[inline]

Definition at line 49 of file CglLandPValidator.hpp.

References maxFillIn_.

void CglValidator::setMaxRatio

(

double

value

)

[inline]

Definition at line 50 of file CglLandPValidator.hpp.

References maxRatio_.

void CglValidator::setMinViolation

(

double

value

)

[inline]

Definition at line 51 of file CglLandPValidator.hpp.

References minViolation_.

double CglValidator::getMaxFillIn

(

)

[inline]

Definition at line 55 of file CglLandPValidator.hpp.

References maxFillIn_.

double CglValidator::getMaxRatio

(

)

[inline]

Definition at line 56 of file CglLandPValidator.hpp.

References maxRatio_.

double CglValidator::getMinViolation

(

)

[inline]

Definition at line 57 of file CglLandPValidator.hpp.

References minViolation_.

const std::string& CglValidator::failureString

(

RejectionsReasons

code

)

const [inline]

Definition at line 60 of file CglLandPValidator.hpp.

References rejections_.

const std::string& CglValidator::failureString

(

int

code

)

const [inline]

Definition at line 61 of file CglLandPValidator.hpp.

References rejections_.

int CglValidator::numRejected

(

RejectionsReasons

code

)

const [inline]

Definition at line 62 of file CglLandPValidator.hpp.

References numRejected_.

int CglValidator::numRejected

(

int

code

)

const [inline]

Definition at line 63 of file CglLandPValidator.hpp.

References numRejected_.

static void CglValidator::fillRejectionReasons

(

)

[static, private]

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Member Data Documentation

double CglValidator::maxFillIn_ [private]

max percentage of given formulation fillIn should be accepted for cut fillin.

Definition at line 67 of file CglLandPValidator.hpp.

Referenced by getMaxFillIn(), and setMaxFillIn().

double CglValidator::maxRatio_ [private]

max ratio between smallest and biggest coefficient

Definition at line 69 of file CglLandPValidator.hpp.

Referenced by getMaxRatio(), and setMaxRatio().

double CglValidator::minViolation_ [private]

minimum violation for accepting a cut

Definition at line 71 of file CglLandPValidator.hpp.

Referenced by getMinViolation(), and setMinViolation().

bool CglValidator::scale_ [private]

Do we do scaling?

Definition at line 73 of file CglLandPValidator.hpp.

std::vector<std::string> CglValidator::rejections_ [static, private]

Strings explaining reason for rejections.

Definition at line 75 of file CglLandPValidator.hpp.

Referenced by failureString().

std::vector<int> CglValidator::numRejected_ [mutable, private]

Number of cut rejected for each of the reasons.

Definition at line 77 of file CglLandPValidator.hpp.

Referenced by numRejected().

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

• /home/coin/SVN-release/CoinAll-1.1.0/Cgl/src/CglLandP/CglLandPValidator.hpp

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