operations_research::glop::VariablesInfo Class Reference

Detailed Description

Definition at line 55 of file variables_info.h.

#include <variables_info.h>

Public Member Functions
	VariablesInfo (const CompactSparseMatrix &matrix)
	VariablesInfo (const VariablesInfo &)=delete
VariablesInfo &	operator= (const VariablesInfo &)=delete
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
ColIndex	GetNumberOfColumns () const
void	MakeBoxedVariableRelevant (bool value)
EntryIndex	GetNumEntriesInRelevantColumns () const
Fractional	GetBoundDifference (ColIndex col) const
void	TransformToDualPhaseIProblem (Fractional dual_feasibility_tolerance, DenseRow::ConstView reduced_costs)
void	EndDualPhaseI (Fractional dual_feasibility_tolerance, DenseRow::ConstView reduced_costs)
void	InitializeFromMutatedState ()
DenseRow *	MutableLowerBounds ()
DenseRow *	MutableUpperBounds ()

Constructor & Destructor Documentation

VariablesInfo() [1/2]

operations_research::glop::VariablesInfo::VariablesInfo ( const CompactSparseMatrix & matrix )

explicit

Definition at line 26 of file variables_info.cc.

VariablesInfo() [2/2]

operations_research::glop::VariablesInfo::VariablesInfo ( const VariablesInfo & )

delete

Member Function Documentation

ChangeUnusedBasicVariablesToFree()

int operations_research::glop::VariablesInfo::ChangeUnusedBasicVariablesToFree

(

const RowToColMapping &

basis

)

Definition at line 180 of file variables_info.cc.

EndDualPhaseI()

void operations_research::glop::VariablesInfo::EndDualPhaseI	(	Fractional	dual_feasibility_tolerance,
		DenseRow::ConstView	reduced_costs )

Definition at line 453 of file variables_info.cc.

GetBoundDifference()

Fractional operations_research::glop::VariablesInfo::GetBoundDifference ( ColIndex col ) const

inline

Definition at line 145 of file variables_info.h.

GetCanDecreaseBitRow()

const DenseBitRow & operations_research::glop::VariablesInfo::GetCanDecreaseBitRow

(

)

const

Definition at line 315 of file variables_info.cc.

GetCanIncreaseBitRow()

const DenseBitRow & operations_research::glop::VariablesInfo::GetCanIncreaseBitRow

(

)

const

Definition at line 311 of file variables_info.cc.

GetIsBasicBitRow()

const DenseBitRow & operations_research::glop::VariablesInfo::GetIsBasicBitRow

(

)

const

Definition at line 323 of file variables_info.cc.

GetIsRelevantBitRow()

const DenseBitRow & operations_research::glop::VariablesInfo::GetIsRelevantBitRow

(

)

const

Definition at line 319 of file variables_info.cc.

GetNonBasicBoxedVariables()

const DenseBitRow & operations_research::glop::VariablesInfo::GetNonBasicBoxedVariables

(

)

const

Definition at line 329 of file variables_info.cc.

GetNotBasicBitRow()

const DenseBitRow & operations_research::glop::VariablesInfo::GetNotBasicBitRow

(

)

const

Definition at line 325 of file variables_info.cc.

GetNumberOfColumns()

ColIndex operations_research::glop::VariablesInfo::GetNumberOfColumns ( ) const

inline

Definition at line 134 of file variables_info.h.

GetNumEntriesInRelevantColumns()

EntryIndex operations_research::glop::VariablesInfo::GetNumEntriesInRelevantColumns

(

)

const

Definition at line 333 of file variables_info.cc.

GetStatusRow()

const VariableStatusRow & operations_research::glop::VariablesInfo::GetStatusRow

(

)

const

Definition at line 307 of file variables_info.cc.

GetTypeRow()

const VariableTypeRow & operations_research::glop::VariablesInfo::GetTypeRow

(

)

const

Definition at line 303 of file variables_info.cc.

GetVariableLowerBounds()

const DenseRow & operations_research::glop::VariablesInfo::GetVariableLowerBounds ( ) const

inline

Definition at line 131 of file variables_info.h.

GetVariableUpperBounds()

const DenseRow & operations_research::glop::VariablesInfo::GetVariableUpperBounds ( ) const

inline

Definition at line 132 of file variables_info.h.

InitializeFromBasisState()

void operations_research::glop::VariablesInfo::InitializeFromBasisState	(	ColIndex	first_slack,
		ColIndex	num_new_cols,
		const BasisState &	state )

Definition at line 122 of file variables_info.cc.

InitializeFromMutatedState()

void operations_research::glop::VariablesInfo::InitializeFromMutatedState

(

)

Definition at line 49 of file variables_info.cc.

InitializeToDefaultStatus()

void operations_research::glop::VariablesInfo::InitializeToDefaultStatus

(

)

Definition at line 227 of file variables_info.cc.

LoadBoundsAndReturnTrueIfUnchanged() [1/2]

bool operations_research::glop::VariablesInfo::LoadBoundsAndReturnTrueIfUnchanged	(	const DenseRow &	new_lower_bounds,
		const DenseRow &	new_upper_bounds )

Definition at line 29 of file variables_info.cc.

LoadBoundsAndReturnTrueIfUnchanged() [2/2]

bool operations_research::glop::VariablesInfo::LoadBoundsAndReturnTrueIfUnchanged	(	const DenseRow &	variable_lower_bounds,
		const DenseRow &	variable_upper_bounds,
		const DenseColumn &	constraint_lower_bounds,
		const DenseColumn &	constraint_upper_bounds )

Definition at line 59 of file variables_info.cc.

MakeBoxedVariableRelevant()

void operations_research::glop::VariablesInfo::MakeBoxedVariableRelevant

(

bool

value

)

Definition at line 253 of file variables_info.cc.

MutableLowerBounds()

DenseRow * operations_research::glop::VariablesInfo::MutableLowerBounds ( )

inline

Definition at line 180 of file variables_info.h.

MutableUpperBounds()

DenseRow * operations_research::glop::VariablesInfo::MutableUpperBounds ( )

inline

Definition at line 181 of file variables_info.h.

operator=()

VariablesInfo & operations_research::glop::VariablesInfo::operator= ( const VariablesInfo & )

delete

SnapFreeVariablesToBound()

int operations_research::glop::VariablesInfo::SnapFreeVariablesToBound	(	Fractional	distance,
		const DenseRow &	starting_values )

Definition at line 201 of file variables_info.cc.

TransformToDualPhaseIProblem()

void operations_research::glop::VariablesInfo::TransformToDualPhaseIProblem	(	Fractional	dual_feasibility_tolerance,
		DenseRow::ConstView	reduced_costs )

Definition at line 402 of file variables_info.cc.

UpdateToBasicStatus()

void operations_research::glop::VariablesInfo::UpdateToBasicStatus

(

ColIndex

col

)

Definition at line 267 of file variables_info.cc.

UpdateToNonBasicStatus()

void operations_research::glop::VariablesInfo::UpdateToNonBasicStatus	(	ColIndex	col,
		VariableStatus	status )

Definition at line 284 of file variables_info.cc.

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

• ortools/glop/variables_info.h
• ortools/glop/variables_info.cc