operations_research::CplexInterface Class Reference

Detailed Description

Definition at line 57 of file cplex_interface.cc.

Inheritance diagram for operations_research::CplexInterface:

Public Member Functions
	CplexInterface (MPSolver *const solver, bool mip)
	~CplexInterface ()
virtual void	SetOptimizationDirection (bool maximize)
virtual MPSolver::ResultStatus	Solve (MPSolverParameters const &param)
virtual void	Reset ()
virtual void	SetVariableBounds (int var_index, double lb, double ub)
virtual void	SetVariableInteger (int var_index, bool integer)
virtual void	SetConstraintBounds (int row_index, double lb, double ub)
virtual void	AddRowConstraint (MPConstraint *const ct)
virtual void	AddVariable (MPVariable *const var)
virtual void	SetCoefficient (MPConstraint *const constraint, MPVariable const *const variable, double new_value, double old_value)
virtual void	ClearConstraint (MPConstraint *const constraint)
virtual void	SetObjectiveCoefficient (MPVariable const *const variable, double coefficient)
virtual void	SetObjectiveOffset (double value)
virtual void	ClearObjective ()
virtual int64_t	iterations () const
virtual int64_t	nodes () const
virtual MPSolver::BasisStatus	row_status (int constraint_index) const
virtual MPSolver::BasisStatus	column_status (int variable_index) const
virtual bool	IsContinuous () const
virtual bool	IsLP () const
virtual bool	IsMIP () const
bool	SetSolverSpecificParametersAsString (const std::string &parameters) override
virtual void	ExtractNewVariables ()
virtual void	ExtractNewConstraints ()
virtual void	ExtractObjective ()
virtual std::string	SolverVersion () const
virtual void *	underlying_solver ()
virtual double	ComputeExactConditionNumber () const
Public Member Functions inherited from operations_research::MPSolverInterface
	MPSolverInterface (MPSolver *solver)
virtual	~MPSolverInterface ()
virtual bool	SupportsDirectlySolveProto (std::atomic< bool > *) const
virtual MPSolutionResponse	DirectlySolveProto (LazyMutableCopy< MPModelRequest >, std::atomic< bool > *)
virtual void	Write (const std::string &filename)
virtual bool	AddIndicatorConstraint (MPConstraint *const)
virtual void	BranchingPriorityChangedForVariable (int)
double	best_objective_bound () const
double	objective_value () const
bool	CheckSolutionIsSynchronized () const
virtual bool	CheckSolutionExists () const
bool	CheckSolutionIsSynchronizedAndExists () const
int	last_variable_index () const
bool	variable_is_extracted (int var_index) const
void	set_variable_as_extracted (int var_index, bool extracted)
bool	constraint_is_extracted (int ct_index) const
void	set_constraint_as_extracted (int ct_index, bool extracted)
bool	quiet () const
void	set_quiet (bool quiet_value)
MPSolver::ResultStatus	result_status () const
virtual void	SetStartingLpBasis (const std::vector< MPSolver::BasisStatus > &, const std::vector< MPSolver::BasisStatus > &)
virtual double	infinity ()
virtual bool	InterruptSolve ()
virtual bool	NextSolution ()
virtual void	SetCallback (MPCallback *)
virtual bool	SupportsCallbacks () const

Protected Member Functions
virtual void	SetParameters (MPSolverParameters const &param)
virtual void	SetRelativeMipGap (double value)
virtual void	SetPrimalTolerance (double value)
virtual void	SetDualTolerance (double value)
virtual void	SetPresolveMode (int value)
virtual void	SetScalingMode (int value)
virtual void	SetLpAlgorithm (int value)
virtual bool	ReadParameterFile (std::string const &filename)
virtual std::string	ValidFileExtensionForParameterFile () const
Protected Member Functions inherited from operations_research::MPSolverInterface
void	ExtractModel ()
void	ResetExtractionInformation ()
void	InvalidateSolutionSynchronization ()
void	SetCommonParameters (const MPSolverParameters &param)
void	SetMIPParameters (const MPSolverParameters &param)
void	SetUnsupportedDoubleParam (MPSolverParameters::DoubleParam param)
virtual void	SetUnsupportedIntegerParam (MPSolverParameters::IntegerParam param)
void	SetDoubleParamToUnsupportedValue (MPSolverParameters::DoubleParam param, double value)
virtual void	SetIntegerParamToUnsupportedValue (MPSolverParameters::IntegerParam param, int value)
virtual absl::Status	SetNumThreads (int num_threads)

Additional Inherited Members
Public Types inherited from operations_research::MPSolverInterface
enum	SynchronizationStatus { MUST_RELOAD , MODEL_SYNCHRONIZED , SOLUTION_SYNCHRONIZED }
Static Public Attributes inherited from operations_research::MPSolverInterface
static constexpr int64_t	kUnknownNumberOfIterations = -1
static constexpr int64_t	kUnknownNumberOfNodes = -1
Protected Attributes inherited from operations_research::MPSolverInterface
MPSolver *const	solver_
SynchronizationStatus	sync_status_
MPSolver::ResultStatus	result_status_
bool	maximize_
int	last_constraint_index_
int	last_variable_index_
double	objective_value_
double	best_objective_bound_
bool	quiet_
Static Protected Attributes inherited from operations_research::MPSolverInterface
static const int	kDummyVariableIndex = 0

Constructor & Destructor Documentation

CplexInterface()

operations_research::CplexInterface::CplexInterface ( MPSolver *const solver, bool mip )

explicit

Definition at line 214 of file cplex_interface.cc.

~CplexInterface()

operations_research::CplexInterface::~CplexInterface

(

)

Definition at line 239 of file cplex_interface.cc.

Member Function Documentation

AddRowConstraint()

void operations_research::CplexInterface::AddRowConstraint ( MPConstraint *const ct )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 444 of file cplex_interface.cc.

AddVariable()

void operations_research::CplexInterface::AddVariable ( MPVariable *const var )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 454 of file cplex_interface.cc.

ClearConstraint()

void operations_research::CplexInterface::ClearConstraint ( MPConstraint *const constraint )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 495 of file cplex_interface.cc.

ClearObjective()

void operations_research::CplexInterface::ClearObjective ( )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 563 of file cplex_interface.cc.

column_status()

MPSolver::BasisStatus operations_research::CplexInterface::column_status ( int variable_index ) const

virtual

Implements operations_research::MPSolverInterface.

Definition at line 657 of file cplex_interface.cc.

ComputeExactConditionNumber()

virtual double operations_research::CplexInterface::ComputeExactConditionNumber ( ) const

inlinevirtual

Reimplemented from operations_research::MPSolverInterface.

Definition at line 126 of file cplex_interface.cc.

ExtractNewConstraints()

void operations_research::CplexInterface::ExtractNewConstraints ( )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 843 of file cplex_interface.cc.

ExtractNewVariables()

void operations_research::CplexInterface::ExtractNewVariables ( )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 682 of file cplex_interface.cc.

ExtractObjective()

void operations_research::CplexInterface::ExtractObjective ( )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 948 of file cplex_interface.cc.

IsContinuous()

virtual bool operations_research::CplexInterface::IsContinuous ( ) const

inlinevirtual

Implements operations_research::MPSolverInterface.

Definition at line 112 of file cplex_interface.cc.

IsLP()

virtual bool operations_research::CplexInterface::IsLP ( ) const

inlinevirtual

Implements operations_research::MPSolverInterface.

Definition at line 113 of file cplex_interface.cc.

IsMIP()

virtual bool operations_research::CplexInterface::IsMIP ( ) const

inlinevirtual

Implements operations_research::MPSolverInterface.

Definition at line 114 of file cplex_interface.cc.

iterations()

int64_t operations_research::CplexInterface::iterations ( ) const

virtual

Implements operations_research::MPSolverInterface.

Definition at line 595 of file cplex_interface.cc.

nodes()

int64_t operations_research::CplexInterface::nodes ( ) const

virtual

Implements operations_research::MPSolverInterface.

Definition at line 604 of file cplex_interface.cc.

ReadParameterFile()

bool operations_research::CplexInterface::ReadParameterFile ( std::string const & filename )

protectedvirtual

Definition at line 1064 of file cplex_interface.cc.

Reset()

void operations_research::CplexInterface::Reset ( )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 264 of file cplex_interface.cc.

row_status()

MPSolver::BasisStatus operations_research::CplexInterface::row_status ( int constraint_index ) const

virtual

Implements operations_research::MPSolverInterface.

Definition at line 632 of file cplex_interface.cc.

SetCoefficient()

void operations_research::CplexInterface::SetCoefficient ( MPConstraint *const constraint, MPVariable const *const variable, double new_value, double old_value )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 464 of file cplex_interface.cc.

SetConstraintBounds()

void operations_research::CplexInterface::SetConstraintBounds ( int row_index, double lb, double ub )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 413 of file cplex_interface.cc.

SetDualTolerance()

void operations_research::CplexInterface::SetDualTolerance ( double value )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 995 of file cplex_interface.cc.

SetLpAlgorithm()

void operations_research::CplexInterface::SetLpAlgorithm ( int value )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 1033 of file cplex_interface.cc.

SetObjectiveCoefficient()

void operations_research::CplexInterface::SetObjectiveCoefficient ( MPVariable const *const variable, double coefficient )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 535 of file cplex_interface.cc.

SetObjectiveOffset()

void operations_research::CplexInterface::SetObjectiveOffset ( double value )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 557 of file cplex_interface.cc.

SetOptimizationDirection()

void operations_research::CplexInterface::SetOptimizationDirection ( bool maximize )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 283 of file cplex_interface.cc.

SetParameters()

void operations_research::CplexInterface::SetParameters ( MPSolverParameters const & param )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 977 of file cplex_interface.cc.

SetPresolveMode()

void operations_research::CplexInterface::SetPresolveMode ( int value )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 999 of file cplex_interface.cc.

SetPrimalTolerance()

void operations_research::CplexInterface::SetPrimalTolerance ( double value )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 991 of file cplex_interface.cc.

SetRelativeMipGap()

void operations_research::CplexInterface::SetRelativeMipGap ( double value )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 982 of file cplex_interface.cc.

SetScalingMode()

void operations_research::CplexInterface::SetScalingMode ( int value )

protectedvirtual

Implements operations_research::MPSolverInterface.

Definition at line 1015 of file cplex_interface.cc.

SetSolverSpecificParametersAsString()

bool operations_research::CplexInterface::SetSolverSpecificParametersAsString ( const std::string & parameters )

overridevirtual

Reimplemented from operations_research::MPSolverInterface.

Definition at line 1283 of file cplex_interface.cc.

SetVariableBounds()

void operations_research::CplexInterface::SetVariableBounds ( int var_index, double lb, double ub )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 288 of file cplex_interface.cc.

SetVariableInteger()

void operations_research::CplexInterface::SetVariableInteger ( int var_index, bool integer )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 317 of file cplex_interface.cc.

Solve()

MPSolver::ResultStatus operations_research::CplexInterface::Solve ( MPSolverParameters const & param )

virtual

Implements operations_research::MPSolverInterface.

Definition at line 1073 of file cplex_interface.cc.

SolverVersion()

std::string operations_research::CplexInterface::SolverVersion ( ) const

virtual

Implements operations_research::MPSolverInterface.

Definition at line 244 of file cplex_interface.cc.

underlying_solver()

virtual void * operations_research::CplexInterface::underlying_solver ( )

inlinevirtual

Implements operations_research::MPSolverInterface.

Definition at line 124 of file cplex_interface.cc.

ValidFileExtensionForParameterFile()

std::string operations_research::CplexInterface::ValidFileExtensionForParameterFile ( ) const

protectedvirtual

Definition at line 1069 of file cplex_interface.cc.

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

• ortools/linear_solver/cplex_interface.cc