operations_research::RoutingLinearSolverWrapper Class Reference

#include <routing_lp_scheduling.h>

Inheritance diagram for operations_research::RoutingLinearSolverWrapper:

Public Member Functions
virtual	~RoutingLinearSolverWrapper ()
virtual void	Clear ()=0
virtual int	CreateNewPositiveVariable ()=0
virtual void	SetVariableName (int index, absl::string_view name)=0
virtual bool	SetVariableBounds (int index, int64_t lower_bound, int64_t upper_bound)=0
virtual void	SetVariableDisjointBounds (int index, const std::vector< int64_t > &starts, const std::vector< int64_t > &ends)=0
virtual int64_t	GetVariableLowerBound (int index) const =0
virtual int64_t	GetVariableUpperBound (int index) const =0
virtual void	SetObjectiveCoefficient (int index, double coefficient)=0
virtual double	GetObjectiveCoefficient (int index) const =0
virtual void	ClearObjective ()=0
virtual int	NumVariables () const =0
virtual int	CreateNewConstraint (int64_t lower_bound, int64_t upper_bound)=0
virtual void	SetCoefficient (int ct, int index, double coefficient)=0
virtual bool	IsCPSATSolver ()=0
virtual void	AddObjectiveConstraint ()=0
virtual void	AddMaximumConstraint (int max_var, std::vector< int > vars)=0
virtual void	AddProductConstraint (int product_var, std::vector< int > vars)=0
virtual void	SetEnforcementLiteral (int ct, int condition)=0
virtual DimensionSchedulingStatus	Solve (absl::Duration duration_limit)=0
virtual int64_t	GetObjectiveValue () const =0
virtual double	GetValue (int index) const =0
virtual bool	SolutionIsInteger () const =0
virtual void	SetParameters (const std::string &parameters)=0
	This function is meant to override the parameters of the solver.
virtual bool	ModelIsEmpty () const
	Returns if the model is empty or not.
virtual std::string	PrintModel () const =0
	Prints an understandable view of the model.
int	AddVariable (int64_t lower_bound, int64_t upper_bound)
	Adds a variable with bounds [lower_bound, upper_bound].
int	AddLinearConstraint (int64_t lower_bound, int64_t upper_bound, absl::Span< const std::pair< int, double > > variable_coeffs)
int	AddReifiedLinearConstraint (int64_t lower_bound, int64_t upper_bound, absl::Span< const std::pair< int, double > > weighted_variables)

Detailed Description

Definition at line 167 of file routing_lp_scheduling.h.

Constructor & Destructor Documentation

~RoutingLinearSolverWrapper()

virtual operations_research::RoutingLinearSolverWrapper::~RoutingLinearSolverWrapper ( )

inlinevirtual

Definition at line 169 of file routing_lp_scheduling.h.

Member Function Documentation

AddLinearConstraint()

int operations_research::RoutingLinearSolverWrapper::AddLinearConstraint ( int64_t lower_bound, int64_t upper_bound, absl::Span< const std::pair< int, double > > variable_coeffs )

inline

Adds a linear constraint, enforcing lower_bound <= sum variable * coeff <= upper_bound, and returns the identifier of that constraint.

Definition at line 215 of file routing_lp_scheduling.h.

AddMaximumConstraint()

virtual void operations_research::RoutingLinearSolverWrapper::AddMaximumConstraint ( int max_var, std::vector< int > vars )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

AddObjectiveConstraint()

virtual void operations_research::RoutingLinearSolverWrapper::AddObjectiveConstraint ( )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

AddProductConstraint()

virtual void operations_research::RoutingLinearSolverWrapper::AddProductConstraint ( int product_var, std::vector< int > vars )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

AddReifiedLinearConstraint()

int operations_research::RoutingLinearSolverWrapper::AddReifiedLinearConstraint ( int64_t lower_bound, int64_t upper_bound, absl::Span< const std::pair< int, double > > weighted_variables )

inline

Adds a linear constraint and a 0/1 variable that is true iff lower_bound <= sum variable * coeff <= upper_bound, and returns the identifier of that variable.

Definition at line 228 of file routing_lp_scheduling.h.

AddVariable()

int operations_research::RoutingLinearSolverWrapper::AddVariable ( int64_t lower_bound, int64_t upper_bound )

inline

Adds a variable with bounds [lower_bound, upper_bound].

Definition at line 206 of file routing_lp_scheduling.h.

Clear()

virtual void operations_research::RoutingLinearSolverWrapper::Clear ( )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

ClearObjective()

virtual void operations_research::RoutingLinearSolverWrapper::ClearObjective ( )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

CreateNewConstraint()

virtual int operations_research::RoutingLinearSolverWrapper::CreateNewConstraint ( int64_t lower_bound, int64_t upper_bound )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

CreateNewPositiveVariable()

virtual int operations_research::RoutingLinearSolverWrapper::CreateNewPositiveVariable ( )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

GetObjectiveCoefficient()

virtual double operations_research::RoutingLinearSolverWrapper::GetObjectiveCoefficient ( int index ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

GetObjectiveValue()

virtual int64_t operations_research::RoutingLinearSolverWrapper::GetObjectiveValue ( ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

GetValue()

virtual double operations_research::RoutingLinearSolverWrapper::GetValue ( int index ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

GetVariableLowerBound()

virtual int64_t operations_research::RoutingLinearSolverWrapper::GetVariableLowerBound ( int index ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

GetVariableUpperBound()

virtual int64_t operations_research::RoutingLinearSolverWrapper::GetVariableUpperBound ( int index ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

IsCPSATSolver()

virtual bool operations_research::RoutingLinearSolverWrapper::IsCPSATSolver ( )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

ModelIsEmpty()

virtual bool operations_research::RoutingLinearSolverWrapper::ModelIsEmpty ( ) const

inlinevirtual

Returns if the model is empty or not.

Reimplemented in operations_research::RoutingCPSatWrapper.

Definition at line 200 of file routing_lp_scheduling.h.

NumVariables()

virtual int operations_research::RoutingLinearSolverWrapper::NumVariables ( ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

PrintModel()

virtual std::string operations_research::RoutingLinearSolverWrapper::PrintModel ( ) const

pure virtual

Prints an understandable view of the model.

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetCoefficient()

virtual void operations_research::RoutingLinearSolverWrapper::SetCoefficient ( int ct, int index, double coefficient )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetEnforcementLiteral()

virtual void operations_research::RoutingLinearSolverWrapper::SetEnforcementLiteral ( int ct, int condition )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetObjectiveCoefficient()

virtual void operations_research::RoutingLinearSolverWrapper::SetObjectiveCoefficient ( int index, double coefficient )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetParameters()

virtual void operations_research::RoutingLinearSolverWrapper::SetParameters ( const std::string & parameters )

pure virtual

This function is meant to override the parameters of the solver.

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetVariableBounds()

virtual bool operations_research::RoutingLinearSolverWrapper::SetVariableBounds ( int index, int64_t lower_bound, int64_t upper_bound )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetVariableDisjointBounds()

virtual void operations_research::RoutingLinearSolverWrapper::SetVariableDisjointBounds ( int index, const std::vector< int64_t > & starts, const std::vector< int64_t > & ends )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SetVariableName()

virtual void operations_research::RoutingLinearSolverWrapper::SetVariableName ( int index, absl::string_view name )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

SolutionIsInteger()

virtual bool operations_research::RoutingLinearSolverWrapper::SolutionIsInteger ( ) const

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

Solve()

virtual DimensionSchedulingStatus operations_research::RoutingLinearSolverWrapper::Solve ( absl::Duration duration_limit )

pure virtual

Implemented in operations_research::RoutingCPSatWrapper, and operations_research::RoutingGlopWrapper.

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

• ortools/constraint_solver/routing_lp_scheduling.h