operations_research::glop::Preprocessor Class Reference

Detailed Description

Definition at line 48 of file preprocessor.h.

#include <preprocessor.h>

Inheritance diagram for operations_research::glop::Preprocessor:

Public Member Functions
	Preprocessor (const GlopParameters *parameters)
	Preprocessor (const Preprocessor &)=delete
Preprocessor &	operator= (const Preprocessor &)=delete
virtual	~Preprocessor ()
virtual bool	Run (LinearProgram *lp)=0
virtual void	RecoverSolution (ProblemSolution *solution) const =0
ProblemStatus	status () const
virtual void	UseInMipContext ()
void	SetTimeLimit (TimeLimit *time_limit)

Protected Member Functions
bool	IsSmallerWithinFeasibilityTolerance (Fractional a, Fractional b) const
bool	IsSmallerWithinPreprocessorZeroTolerance (Fractional a, Fractional b) const

Protected Attributes
ProblemStatus	status_
const GlopParameters &	parameters_
bool	in_mip_context_
std::unique_ptr< TimeLimit >	infinite_time_limit_
TimeLimit *	time_limit_

Constructor & Destructor Documentation

Preprocessor() [1/2]

operations_research::glop::Preprocessor::Preprocessor ( const GlopParameters * parameters )

explicit

Definition at line 57 of file preprocessor.cc.

Preprocessor() [2/2]

operations_research::glop::Preprocessor::Preprocessor ( const Preprocessor & )

delete

~Preprocessor()

operations_research::glop::Preprocessor::~Preprocessor ( )

virtual

Definition at line 63 of file preprocessor.cc.

Member Function Documentation

IsSmallerWithinFeasibilityTolerance()

bool operations_research::glop::Preprocessor::IsSmallerWithinFeasibilityTolerance ( Fractional a, Fractional b ) const

inlineprotected

Definition at line 85 of file preprocessor.h.

IsSmallerWithinPreprocessorZeroTolerance()

bool operations_research::glop::Preprocessor::IsSmallerWithinPreprocessorZeroTolerance ( Fractional a, Fractional b ) const

inlineprotected

Definition at line 89 of file preprocessor.h.

operator=()

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

delete

RecoverSolution()

virtual void operations_research::glop::Preprocessor::RecoverSolution ( ProblemSolution * solution ) const

pure virtual

Implemented in operations_research::BoundPropagationPreprocessor, operations_research::glop::AddSlackVariablesPreprocessor, operations_research::glop::DoubletonEqualityRowPreprocessor, operations_research::glop::DoubletonFreeColumnPreprocessor, operations_research::glop::DualizerPreprocessor, operations_research::glop::EmptyColumnPreprocessor, operations_research::glop::EmptyConstraintPreprocessor, operations_research::glop::FixedVariablePreprocessor, operations_research::glop::ForcingAndImpliedFreeConstraintPreprocessor, operations_research::glop::FreeConstraintPreprocessor, operations_research::glop::ImpliedFreePreprocessor, operations_research::glop::MainLpPreprocessor, operations_research::glop::ProportionalColumnPreprocessor, operations_research::glop::ProportionalRowPreprocessor, operations_research::glop::ScalingPreprocessor, operations_research::glop::ShiftVariableBoundsPreprocessor, operations_research::glop::SingletonColumnSignPreprocessor, operations_research::glop::SingletonPreprocessor, operations_research::glop::ToMinimizationPreprocessor, operations_research::glop::UnconstrainedVariablePreprocessor, operations_research::ImpliedIntegerPreprocessor, operations_research::IntegerBoundsPreprocessor, and operations_research::ReduceCostOverExclusiveOrConstraintPreprocessor.

Run()

virtual bool operations_research::glop::Preprocessor::Run ( LinearProgram * lp )

pure virtual

Implemented in operations_research::BoundPropagationPreprocessor, operations_research::glop::AddSlackVariablesPreprocessor, operations_research::glop::DoubletonEqualityRowPreprocessor, operations_research::glop::DoubletonFreeColumnPreprocessor, operations_research::glop::DualizerPreprocessor, operations_research::glop::EmptyColumnPreprocessor, operations_research::glop::EmptyConstraintPreprocessor, operations_research::glop::FixedVariablePreprocessor, operations_research::glop::ForcingAndImpliedFreeConstraintPreprocessor, operations_research::glop::FreeConstraintPreprocessor, operations_research::glop::ImpliedFreePreprocessor, operations_research::glop::MainLpPreprocessor, operations_research::glop::ProportionalColumnPreprocessor, operations_research::glop::ProportionalRowPreprocessor, operations_research::glop::ScalingPreprocessor, operations_research::glop::ShiftVariableBoundsPreprocessor, operations_research::glop::SingletonColumnSignPreprocessor, operations_research::glop::SingletonPreprocessor, operations_research::glop::ToMinimizationPreprocessor, operations_research::glop::UnconstrainedVariablePreprocessor, operations_research::ImpliedIntegerPreprocessor, operations_research::IntegerBoundsPreprocessor, and operations_research::ReduceCostOverExclusiveOrConstraintPreprocessor.

SetTimeLimit()

void operations_research::glop::Preprocessor::SetTimeLimit ( TimeLimit * time_limit )

inline

Definition at line 80 of file preprocessor.h.

status()

ProblemStatus operations_research::glop::Preprocessor::status ( ) const

inline

Definition at line 70 of file preprocessor.h.

UseInMipContext()

virtual void operations_research::glop::Preprocessor::UseInMipContext ( )

inlinevirtual

Reimplemented in operations_research::glop::DualizerPreprocessor, operations_research::glop::ProportionalColumnPreprocessor, and operations_research::glop::ScalingPreprocessor.

Definition at line 78 of file preprocessor.h.

Member Data Documentation

in_mip_context_

bool operations_research::glop::Preprocessor::in_mip_context_

protected

Definition at line 98 of file preprocessor.h.

infinite_time_limit_

std::unique_ptr<TimeLimit> operations_research::glop::Preprocessor::infinite_time_limit_

protected

Definition at line 99 of file preprocessor.h.

parameters_

const GlopParameters& operations_research::glop::Preprocessor::parameters_

protected

Definition at line 97 of file preprocessor.h.

status_

ProblemStatus operations_research::glop::Preprocessor::status_

protected

Definition at line 96 of file preprocessor.h.

time_limit_

TimeLimit* operations_research::glop::Preprocessor::time_limit_

protected

Definition at line 100 of file preprocessor.h.

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

• ortools/glop/preprocessor.h
• ortools/glop/preprocessor.cc