OR-Tools  9.6
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
Preprocessorabstract

Detailed Description

Definition at line 46 of file preprocessor.h.

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]

Preprocessor ( const GlopParameters *  parameters)
explicit

Definition at line 58 of file preprocessor.cc.

◆ Preprocessor() [2/2]

Preprocessor ( const Preprocessor &  )
delete

◆ ~Preprocessor()

~Preprocessor ( )
virtual

Definition at line 64 of file preprocessor.cc.

Member Function Documentation

◆ IsSmallerWithinFeasibilityTolerance()

bool IsSmallerWithinFeasibilityTolerance ( Fractional  a,
Fractional  b 
) const
inlineprotected

Definition at line 83 of file preprocessor.h.

◆ IsSmallerWithinPreprocessorZeroTolerance()

bool IsSmallerWithinPreprocessorZeroTolerance ( Fractional  a,
Fractional  b 
) const
inlineprotected

Definition at line 87 of file preprocessor.h.

◆ operator=()

Preprocessor& operator= ( const Preprocessor &  )
delete

◆ RecoverSolution()

virtual void RecoverSolution ( ProblemSolution *  solution) const
pure virtual

Implemented in MainLpPreprocessor, AddSlackVariablesPreprocessor, ToMinimizationPreprocessor, ScalingPreprocessor, ShiftVariableBoundsPreprocessor, DualizerPreprocessor, DoubletonEqualityRowPreprocessor, SingletonColumnSignPreprocessor, RemoveNearZeroEntriesPreprocessor, EmptyConstraintPreprocessor, FreeConstraintPreprocessor, UnconstrainedVariablePreprocessor, DoubletonFreeColumnPreprocessor, ImpliedFreePreprocessor, ForcingAndImpliedFreeConstraintPreprocessor, FixedVariablePreprocessor, SingletonPreprocessor, ProportionalRowPreprocessor, ProportionalColumnPreprocessor, and EmptyColumnPreprocessor.

◆ Run()

virtual bool Run ( LinearProgram *  lp)
pure virtual

Implemented in AddSlackVariablesPreprocessor, ToMinimizationPreprocessor, ScalingPreprocessor, ShiftVariableBoundsPreprocessor, DualizerPreprocessor, DoubletonEqualityRowPreprocessor, SingletonColumnSignPreprocessor, RemoveNearZeroEntriesPreprocessor, EmptyConstraintPreprocessor, FreeConstraintPreprocessor, UnconstrainedVariablePreprocessor, DoubletonFreeColumnPreprocessor, ImpliedFreePreprocessor, ForcingAndImpliedFreeConstraintPreprocessor, FixedVariablePreprocessor, SingletonPreprocessor, ProportionalRowPreprocessor, ProportionalColumnPreprocessor, EmptyColumnPreprocessor, and MainLpPreprocessor.

◆ SetTimeLimit()

void SetTimeLimit ( TimeLimit *  time_limit)
inline

Definition at line 78 of file preprocessor.h.

◆ status()

ProblemStatus status ( ) const
inline

Definition at line 68 of file preprocessor.h.

◆ UseInMipContext()

virtual void UseInMipContext ( )
inlinevirtual

Reimplemented in ScalingPreprocessor, DualizerPreprocessor, and ProportionalColumnPreprocessor.

Definition at line 76 of file preprocessor.h.

Member Data Documentation

◆ in_mip_context_

bool in_mip_context_
protected

Definition at line 96 of file preprocessor.h.

◆ infinite_time_limit_

std::unique_ptr<TimeLimit> infinite_time_limit_
protected

Definition at line 97 of file preprocessor.h.

◆ parameters_

const GlopParameters& parameters_
protected

Definition at line 95 of file preprocessor.h.

◆ status_

ProblemStatus status_
protected

Definition at line 94 of file preprocessor.h.

◆ time_limit_

TimeLimit* time_limit_
protected

Definition at line 98 of file preprocessor.h.

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