VariablesInfo

Detailed Description

Definition at line 55 of file variables_info.h.

Public Member Functions
	VariablesInfo (const CompactSparseMatrix &matrix)
bool	LoadBoundsAndReturnTrueIfUnchanged (const DenseRow &new_lower_bounds, const DenseRow &new_upper_bounds)
bool	LoadBoundsAndReturnTrueIfUnchanged (const DenseRow &variable_lower_bounds, const DenseRow &variable_upper_bounds, const DenseColumn &constraint_lower_bounds, const DenseColumn &constraint_upper_bounds)
void	InitializeFromBasisState (ColIndex first_slack, ColIndex num_new_cols, const BasisState &state)
int	ChangeUnusedBasicVariablesToFree (const RowToColMapping &basis)
int	SnapFreeVariablesToBound (Fractional distance, const DenseRow &starting_values)
void	InitializeToDefaultStatus ()
void	UpdateToBasicStatus (ColIndex col)
void	UpdateToNonBasicStatus (ColIndex col, VariableStatus status)
const VariableTypeRow &	GetTypeRow () const
const VariableStatusRow &	GetStatusRow () const
const DenseBitRow &	GetCanIncreaseBitRow () const
const DenseBitRow &	GetCanDecreaseBitRow () const
const DenseBitRow &	GetIsRelevantBitRow () const
const DenseBitRow &	GetIsBasicBitRow () const
const DenseBitRow &	GetNotBasicBitRow () const
const DenseBitRow &	GetNonBasicBoxedVariables () const
const DenseRow &	GetVariableLowerBounds () const
const DenseRow &	GetVariableUpperBounds () const
const ColIndex	GetNumberOfColumns () const
void	MakeBoxedVariableRelevant (bool value)
EntryIndex	GetNumEntriesInRelevantColumns () const
Fractional	GetBoundDifference (ColIndex col) const
void	TransformToDualPhaseIProblem (Fractional dual_feasibility_tolerance, const DenseRow &reduced_costs)
void	EndDualPhaseI (Fractional dual_feasibility_tolerance, const DenseRow &reduced_costs)

Constructor & Destructor Documentation

VariablesInfo()

VariablesInfo ( const CompactSparseMatrix &  matrix )

explicit

Definition at line 21 of file variables_info.cc.

Member Function Documentation

ChangeUnusedBasicVariablesToFree()

int ChangeUnusedBasicVariablesToFree

(

const RowToColMapping &

basis

)

Definition at line 165 of file variables_info.cc.

EndDualPhaseI()

void EndDualPhaseI	(	Fractional	dual_feasibility_tolerance,
		const DenseRow &	reduced_costs
	)

Definition at line 438 of file variables_info.cc.

GetBoundDifference()

Fractional GetBoundDifference ( ColIndex  col ) const

inline

Definition at line 141 of file variables_info.h.

GetCanDecreaseBitRow()

const DenseBitRow & GetCanDecreaseBitRow

(

)

const

Definition at line 300 of file variables_info.cc.

GetCanIncreaseBitRow()

const DenseBitRow & GetCanIncreaseBitRow

(

)

const

Definition at line 296 of file variables_info.cc.

GetIsBasicBitRow()

const DenseBitRow & GetIsBasicBitRow

(

)

const

Definition at line 308 of file variables_info.cc.

GetIsRelevantBitRow()

const DenseBitRow & GetIsRelevantBitRow

(

)

const

Definition at line 304 of file variables_info.cc.

GetNonBasicBoxedVariables()

const DenseBitRow & GetNonBasicBoxedVariables

(

)

const

Definition at line 314 of file variables_info.cc.

GetNotBasicBitRow()

const DenseBitRow & GetNotBasicBitRow

(

)

const

Definition at line 310 of file variables_info.cc.

GetNumberOfColumns()

const ColIndex GetNumberOfColumns ( ) const

inline

Definition at line 130 of file variables_info.h.

GetNumEntriesInRelevantColumns()

EntryIndex GetNumEntriesInRelevantColumns

(

)

const

Definition at line 318 of file variables_info.cc.

GetStatusRow()

const VariableStatusRow & GetStatusRow

(

)

const

Definition at line 292 of file variables_info.cc.

GetTypeRow()

const VariableTypeRow & GetTypeRow

(

)

const

Definition at line 288 of file variables_info.cc.

GetVariableLowerBounds()

const DenseRow& GetVariableLowerBounds ( ) const

inline

Definition at line 127 of file variables_info.h.

GetVariableUpperBounds()

const DenseRow& GetVariableUpperBounds ( ) const

inline

Definition at line 128 of file variables_info.h.

InitializeFromBasisState()

void InitializeFromBasisState	(	ColIndex	first_slack,
		ColIndex	num_new_cols,
		const BasisState &	state
	)

Definition at line 107 of file variables_info.cc.

InitializeToDefaultStatus()

void InitializeToDefaultStatus

(

)

Definition at line 212 of file variables_info.cc.

LoadBoundsAndReturnTrueIfUnchanged() [1/2]

bool LoadBoundsAndReturnTrueIfUnchanged	(	const DenseRow &	new_lower_bounds,
		const DenseRow &	new_upper_bounds
	)

Definition at line 24 of file variables_info.cc.

LoadBoundsAndReturnTrueIfUnchanged() [2/2]

bool LoadBoundsAndReturnTrueIfUnchanged	(	const DenseRow &	variable_lower_bounds,
		const DenseRow &	variable_upper_bounds,
		const DenseColumn &	constraint_lower_bounds,
		const DenseColumn &	constraint_upper_bounds
	)

Definition at line 44 of file variables_info.cc.

MakeBoxedVariableRelevant()

void MakeBoxedVariableRelevant

(

bool

value

)

Definition at line 238 of file variables_info.cc.

SnapFreeVariablesToBound()

int SnapFreeVariablesToBound	(	Fractional	distance,
		const DenseRow &	starting_values
	)

Definition at line 186 of file variables_info.cc.

TransformToDualPhaseIProblem()

void TransformToDualPhaseIProblem	(	Fractional	dual_feasibility_tolerance,
		const DenseRow &	reduced_costs
	)

Definition at line 387 of file variables_info.cc.

UpdateToBasicStatus()

void UpdateToBasicStatus

(

ColIndex

col

)

Definition at line 252 of file variables_info.cc.

UpdateToNonBasicStatus()

void UpdateToNonBasicStatus	(	ColIndex	col,
		VariableStatus	status
	)

Definition at line 269 of file variables_info.cc.

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

• variables_info.h
• variables_info.cc