Removes the constraints with no coefficients from the problem. More...

#include <preprocessor.h>

Inheritance diagram for operations_research::glop::EmptyConstraintPreprocessor:

Public Member Functions
	EmptyConstraintPreprocessor (const GlopParameters *parameters)

	EmptyConstraintPreprocessor (const EmptyConstraintPreprocessor &)=delete

EmptyConstraintPreprocessor &	operator= (const EmptyConstraintPreprocessor &)=delete

	~EmptyConstraintPreprocessor () final=default

bool	Run (LinearProgram *lp) final

void	RecoverSolution (ProblemSolution *solution) const final

Public Member Functions inherited from operations_research::glop::Preprocessor
	Preprocessor (const GlopParameters *parameters)

	Preprocessor (const Preprocessor &)=delete

Preprocessor &	operator= (const Preprocessor &)=delete

virtual	~Preprocessor ()

ProblemStatus	status () const

virtual void	UseInMipContext ()

void	SetTimeLimit (TimeLimit *time_limit)

Additional Inherited Members
Protected Member Functions inherited from operations_research::glop::Preprocessor
bool	IsSmallerWithinFeasibilityTolerance (Fractional a, Fractional b) const

bool	IsSmallerWithinPreprocessorZeroTolerance (Fractional a, Fractional b) const

Protected Attributes inherited from operations_research::glop::Preprocessor
ProblemStatus	status_

const GlopParameters &	parameters_

bool	in_mip_context_

std::unique_ptr< TimeLimit >	infinite_time_limit_

TimeLimit *	time_limit_

Detailed Description

Removes the constraints with no coefficients from the problem.

EmptyConstraintPreprocessor

Definition at line 804 of file preprocessor.h.

Constructor & Destructor Documentation

◆ EmptyConstraintPreprocessor() [1/2]

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

inlineexplicit

Definition at line 806 of file preprocessor.h.

◆ EmptyConstraintPreprocessor() [2/2]

operations_research::glop::EmptyConstraintPreprocessor::EmptyConstraintPreprocessor ( const EmptyConstraintPreprocessor & )

delete

◆ ~EmptyConstraintPreprocessor()

operations_research::glop::EmptyConstraintPreprocessor::~EmptyConstraintPreprocessor ( )

finaldefault

Member Function Documentation

◆ operator=()

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

delete

◆ RecoverSolution()

void operations_research::glop::EmptyConstraintPreprocessor::RecoverSolution ( ProblemSolution * solution ) const

finalvirtual

Stores the optimal solution of the linear program that was passed to Run(). The given solution needs to be set to the optimal solution of the linear program "modified" by Run().

Implements operations_research::glop::Preprocessor.

Definition at line 2253 of file preprocessor.cc.