OR-Tools  9.2
Public Types | Public Member Functions | Static Public Attributes | Protected Member Functions | Protected Attributes | Static Protected Attributes | List of all members
SatInterface

Detailed Description

Definition at line 43 of file sat_interface.cc.

Public Types

enum  SynchronizationStatus { MUST_RELOAD , MODEL_SYNCHRONIZED , SOLUTION_SYNCHRONIZED }
 

Public Member Functions

 SatInterface (MPSolver *const solver)
 
 ~SatInterface () override
 
MPSolver::ResultStatus Solve (const MPSolverParameters &param) override
 
absl::optional< MPSolutionResponse > DirectlySolveProto (const MPModelRequest &request, std::atomic< bool > *interrupt) override
 
bool InterruptSolve () override
 
void Reset () override
 
void SetOptimizationDirection (bool maximize) override
 
void SetVariableBounds (int index, double lb, double ub) override
 
void SetVariableInteger (int index, bool integer) override
 
void SetConstraintBounds (int index, double lb, double ub) override
 
void AddRowConstraint (MPConstraint *const ct) override
 
void AddVariable (MPVariable *const var) override
 
void SetCoefficient (MPConstraint *const constraint, const MPVariable *const variable, double new_value, double old_value) override
 
void ClearConstraint (MPConstraint *const constraint) override
 
void SetObjectiveCoefficient (const MPVariable *const variable, double coefficient) override
 
void SetObjectiveOffset (double value) override
 
void ClearObjective () override
 
bool AddIndicatorConstraint (MPConstraint *const ct) override
 
int64_t iterations () const override
 
int64_t nodes () const override
 
MPSolver::BasisStatus row_status (int constraint_index) const override
 
MPSolver::BasisStatus column_status (int variable_index) const override
 
bool IsContinuous () const override
 
bool IsLP () const override
 
bool IsMIP () const override
 
std::string SolverVersion () const override
 
void * underlying_solver () override
 
void ExtractNewVariables () override
 
void ExtractNewConstraints () override
 
void ExtractObjective () override
 
void SetParameters (const MPSolverParameters &param) override
 
void SetRelativeMipGap (double value) override
 
void SetPrimalTolerance (double value) override
 
void SetDualTolerance (double value) override
 
void SetPresolveMode (int value) override
 
void SetScalingMode (int value) override
 
void SetLpAlgorithm (int value) override
 
bool SetSolverSpecificParametersAsString (const std::string &parameters) override
 
absl::Status SetNumThreads (int num_threads) override
 
virtual void Write (const std::string &filename)
 
virtual void BranchingPriorityChangedForVariable (int var_index)
 
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 double ComputeExactConditionNumber () const
 
virtual void SetStartingLpBasis (const std::vector< MPSolver::BasisStatus > &variable_statuses, const std::vector< MPSolver::BasisStatus > &constraint_statuses)
 
virtual bool NextSolution ()
 
virtual void SetCallback (MPCallback *mp_callback)
 
virtual bool SupportsCallbacks () const
 

Static Public Attributes

static constexpr int64_t kUnknownNumberOfIterations = -1
 
static constexpr int64_t kUnknownNumberOfNodes = -1
 

Protected Member Functions

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)
 

Protected Attributes

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

static const int kDummyVariableIndex = 0
 

Member Enumeration Documentation

◆ SynchronizationStatus

enum SynchronizationStatus
inherited
Enumerator
MUST_RELOAD 
MODEL_SYNCHRONIZED 
SOLUTION_SYNCHRONIZED 

Definition at line 1552 of file linear_solver.h.

Constructor & Destructor Documentation

◆ SatInterface()

SatInterface ( MPSolver *const  solver)
explicit

Definition at line 110 of file sat_interface.cc.

◆ ~SatInterface()

~SatInterface ( )
override

Definition at line 113 of file sat_interface.cc.

Member Function Documentation

◆ AddIndicatorConstraint()

bool AddIndicatorConstraint ( MPConstraint *const  ct)
inlineoverridevirtual

Reimplemented from MPSolverInterface.

Definition at line 71 of file sat_interface.cc.

◆ AddRowConstraint()

void AddRowConstraint ( MPConstraint *const  ct)
overridevirtual

Implements MPSolverInterface.

Definition at line 210 of file sat_interface.cc.

◆ AddVariable()

void AddVariable ( MPVariable *const  var)
overridevirtual

Implements MPSolverInterface.

Definition at line 214 of file sat_interface.cc.

◆ best_objective_bound()

double best_objective_bound ( ) const
inherited

Definition at line 1881 of file linear_solver.cc.

◆ BranchingPriorityChangedForVariable()

virtual void BranchingPriorityChangedForVariable ( int  var_index)
inlinevirtualinherited

Reimplemented in GurobiInterface, and SCIPInterface.

Definition at line 1647 of file linear_solver.h.

◆ CheckSolutionExists()

bool CheckSolutionExists ( ) const
virtualinherited

Definition at line 1866 of file linear_solver.cc.

◆ CheckSolutionIsSynchronized()

bool CheckSolutionIsSynchronized ( ) const
inherited

Definition at line 1854 of file linear_solver.cc.

◆ CheckSolutionIsSynchronizedAndExists()

bool CheckSolutionIsSynchronizedAndExists ( ) const
inlineinherited

Definition at line 1674 of file linear_solver.h.

◆ ClearConstraint()

void ClearConstraint ( MPConstraint *const  constraint)
overridevirtual

Implements MPSolverInterface.

Definition at line 224 of file sat_interface.cc.

◆ ClearObjective()

void ClearObjective ( )
overridevirtual

Implements MPSolverInterface.

Definition at line 235 of file sat_interface.cc.

◆ column_status()

MPSolver::BasisStatus column_status ( int  variable_index) const
overridevirtual

Implements MPSolverInterface.

Definition at line 247 of file sat_interface.cc.

◆ ComputeExactConditionNumber()

double ComputeExactConditionNumber ( ) const
virtualinherited

Reimplemented in GurobiInterface.

Definition at line 1905 of file linear_solver.cc.

◆ constraint_is_extracted()

bool constraint_is_extracted ( int  ct_index) const
inlineinherited

Definition at line 1700 of file linear_solver.h.

◆ DirectlySolveProto()

absl::optional< MPSolutionResponse > DirectlySolveProto ( const MPModelRequest &  request,
std::atomic< bool > *  interrupt 
)
overridevirtual

Reimplemented from MPSolverInterface.

Definition at line 167 of file sat_interface.cc.

◆ ExtractModel()

void ExtractModel ( )
protectedinherited

Definition at line 1818 of file linear_solver.cc.

◆ ExtractNewConstraints()

void ExtractNewConstraints ( )
overridevirtual

Implements MPSolverInterface.

Definition at line 263 of file sat_interface.cc.

◆ ExtractNewVariables()

void ExtractNewVariables ( )
overridevirtual

Implements MPSolverInterface.

Definition at line 261 of file sat_interface.cc.

◆ ExtractObjective()

void ExtractObjective ( )
overridevirtual

Implements MPSolverInterface.

Definition at line 265 of file sat_interface.cc.

◆ InterruptSolve()

bool InterruptSolve ( )
overridevirtual

Reimplemented from MPSolverInterface.

Definition at line 187 of file sat_interface.cc.

◆ InvalidateSolutionSynchronization()

void InvalidateSolutionSynchronization ( )
protectedinherited

Definition at line 1899 of file linear_solver.cc.

◆ IsContinuous()

bool IsContinuous ( ) const
overridevirtual

Implements MPSolverInterface.

Definition at line 251 of file sat_interface.cc.

◆ IsLP()

bool IsLP ( ) const
overridevirtual

Implements MPSolverInterface.

Definition at line 252 of file sat_interface.cc.

◆ IsMIP()

bool IsMIP ( ) const
overridevirtual

Implements MPSolverInterface.

Definition at line 253 of file sat_interface.cc.

◆ iterations()

int64_t iterations ( ) const
overridevirtual

Implements MPSolverInterface.

Definition at line 237 of file sat_interface.cc.

◆ last_variable_index()

int last_variable_index ( ) const
inlineinherited

Definition at line 1692 of file linear_solver.h.

◆ NextSolution()

virtual bool NextSolution ( )
inlinevirtualinherited

Reimplemented in GurobiInterface, and SCIPInterface.

Definition at line 1738 of file linear_solver.h.

◆ nodes()

int64_t nodes ( ) const
overridevirtual

Implements MPSolverInterface.

Definition at line 241 of file sat_interface.cc.

◆ objective_value()

double objective_value ( ) const
inherited

Definition at line 1876 of file linear_solver.cc.

◆ quiet()

bool quiet ( ) const
inlineinherited

Definition at line 1708 of file linear_solver.h.

◆ Reset()

void Reset ( )
overridevirtual

Implements MPSolverInterface.

Definition at line 192 of file sat_interface.cc.

◆ ResetExtractionInformation()

void ResetExtractionInformation ( )
protectedinherited

Definition at line 1846 of file linear_solver.cc.

◆ result_status()

MPSolver::ResultStatus result_status ( ) const
inlineinherited

Definition at line 1713 of file linear_solver.h.

◆ row_status()

MPSolver::BasisStatus row_status ( int  constraint_index) const
overridevirtual

Implements MPSolverInterface.

Definition at line 243 of file sat_interface.cc.

◆ set_constraint_as_extracted()

void set_constraint_as_extracted ( int  ct_index,
bool  extracted 
)
inlineinherited

Definition at line 1703 of file linear_solver.h.

◆ set_quiet()

void set_quiet ( bool  quiet_value)
inlineinherited

Definition at line 1710 of file linear_solver.h.

◆ set_variable_as_extracted()

void set_variable_as_extracted ( int  var_index,
bool  extracted 
)
inlineinherited

Definition at line 1697 of file linear_solver.h.

◆ SetCallback()

virtual void SetCallback ( MPCallback *  mp_callback)
inlinevirtualinherited

Reimplemented in GurobiInterface, and SCIPInterface.

Definition at line 1741 of file linear_solver.h.

◆ SetCoefficient()

void SetCoefficient ( MPConstraint *const  constraint,
const MPVariable *const  variable,
double  new_value,
double  old_value 
)
overridevirtual

Implements MPSolverInterface.

Definition at line 218 of file sat_interface.cc.

◆ SetCommonParameters()

void SetCommonParameters ( const MPSolverParameters &  param)
protectedinherited

Definition at line 1914 of file linear_solver.cc.

◆ SetConstraintBounds()

void SetConstraintBounds ( int  index,
double  lb,
double  ub 
)
overridevirtual

Implements MPSolverInterface.

Definition at line 206 of file sat_interface.cc.

◆ SetDoubleParamToUnsupportedValue()

void SetDoubleParamToUnsupportedValue ( MPSolverParameters::DoubleParam  param,
double  value 
)
protectedinherited

Definition at line 1950 of file linear_solver.cc.

◆ SetDualTolerance()

void SetDualTolerance ( double  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 279 of file sat_interface.cc.

◆ SetIntegerParamToUnsupportedValue()

void SetIntegerParamToUnsupportedValue ( MPSolverParameters::IntegerParam  param,
int  value 
)
protectedvirtualinherited

Definition at line 1955 of file linear_solver.cc.

◆ SetLpAlgorithm()

void SetLpAlgorithm ( int  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 281 of file sat_interface.cc.

◆ SetMIPParameters()

void SetMIPParameters ( const MPSolverParameters &  param)
protectedinherited

Definition at line 1935 of file linear_solver.cc.

◆ SetNumThreads()

absl::Status SetNumThreads ( int  num_threads)
overridevirtual

Reimplemented from MPSolverInterface.

Definition at line 272 of file sat_interface.cc.

◆ SetObjectiveCoefficient()

void SetObjectiveCoefficient ( const MPVariable *const  variable,
double  coefficient 
)
overridevirtual

Implements MPSolverInterface.

Definition at line 228 of file sat_interface.cc.

◆ SetObjectiveOffset()

void SetObjectiveOffset ( double  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 233 of file sat_interface.cc.

◆ SetOptimizationDirection()

void SetOptimizationDirection ( bool  maximize)
overridevirtual

Implements MPSolverInterface.

Definition at line 194 of file sat_interface.cc.

◆ SetParameters()

void SetParameters ( const MPSolverParameters &  param)
overridevirtual

Implements MPSolverInterface.

Definition at line 267 of file sat_interface.cc.

◆ SetPresolveMode()

void SetPresolveMode ( int  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 285 of file sat_interface.cc.

◆ SetPrimalTolerance()

void SetPrimalTolerance ( double  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 278 of file sat_interface.cc.

◆ SetRelativeMipGap()

void SetRelativeMipGap ( double  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 282 of file sat_interface.cc.

◆ SetScalingMode()

void SetScalingMode ( int  value)
overridevirtual

Implements MPSolverInterface.

Definition at line 280 of file sat_interface.cc.

◆ SetSolverSpecificParametersAsString()

bool SetSolverSpecificParametersAsString ( const std::string &  parameters)
overridevirtual

Reimplemented from MPSolverInterface.

Definition at line 287 of file sat_interface.cc.

◆ SetStartingLpBasis()

virtual void SetStartingLpBasis ( const std::vector< MPSolver::BasisStatus > &  variable_statuses,
const std::vector< MPSolver::BasisStatus > &  constraint_statuses 
)
inlinevirtualinherited

Reimplemented in GLOPInterface.

Definition at line 1729 of file linear_solver.h.

◆ SetUnsupportedDoubleParam()

void SetUnsupportedDoubleParam ( MPSolverParameters::DoubleParam  param)
protectedinherited

Definition at line 1942 of file linear_solver.cc.

◆ SetUnsupportedIntegerParam()

void SetUnsupportedIntegerParam ( MPSolverParameters::IntegerParam  param)
protectedvirtualinherited

Definition at line 1946 of file linear_solver.cc.

◆ SetVariableBounds()

void SetVariableBounds ( int  index,
double  lb,
double  ub 
)
overridevirtual

Implements MPSolverInterface.

Definition at line 198 of file sat_interface.cc.

◆ SetVariableInteger()

void SetVariableInteger ( int  index,
bool  integer 
)
overridevirtual

Implements MPSolverInterface.

Definition at line 202 of file sat_interface.cc.

◆ Solve()

MPSolver::ResultStatus Solve ( const MPSolverParameters &  param)
overridevirtual

Implements MPSolverInterface.

Definition at line 115 of file sat_interface.cc.

◆ SolverVersion()

std::string SolverVersion ( ) const
overridevirtual

Implements MPSolverInterface.

Definition at line 255 of file sat_interface.cc.

◆ SupportsCallbacks()

virtual bool SupportsCallbacks ( ) const
inlinevirtualinherited

Reimplemented in GurobiInterface, and SCIPInterface.

Definition at line 1745 of file linear_solver.h.

◆ underlying_solver()

void * underlying_solver ( )
overridevirtual

Implements MPSolverInterface.

Definition at line 259 of file sat_interface.cc.

◆ variable_is_extracted()

bool variable_is_extracted ( int  var_index) const
inlineinherited

Definition at line 1694 of file linear_solver.h.

◆ Write()

void Write ( const std::string &  filename)
virtualinherited

Reimplemented in GurobiInterface.

Definition at line 1814 of file linear_solver.cc.

Member Data Documentation

◆ best_objective_bound_

double best_objective_bound_
protectedinherited

Definition at line 1772 of file linear_solver.h.

◆ kDummyVariableIndex

const int kDummyVariableIndex = 0
staticprotectedinherited

Definition at line 1779 of file linear_solver.h.

◆ kUnknownNumberOfIterations

constexpr int64_t kUnknownNumberOfIterations = -1
staticconstexprinherited

Definition at line 1567 of file linear_solver.h.

◆ kUnknownNumberOfNodes

constexpr int64_t kUnknownNumberOfNodes = -1
staticconstexprinherited

Definition at line 1570 of file linear_solver.h.

◆ last_constraint_index_

int last_constraint_index_
protectedinherited

Definition at line 1764 of file linear_solver.h.

◆ last_variable_index_

int last_variable_index_
protectedinherited

Definition at line 1766 of file linear_solver.h.

◆ maximize_

bool maximize_
protectedinherited

Definition at line 1761 of file linear_solver.h.

◆ objective_value_

double objective_value_
protectedinherited

Definition at line 1769 of file linear_solver.h.

◆ quiet_

bool quiet_
protectedinherited

Definition at line 1775 of file linear_solver.h.

◆ result_status_

MPSolver::ResultStatus result_status_
protectedinherited

Definition at line 1759 of file linear_solver.h.

◆ solver_

MPSolver* const solver_
protectedinherited

Definition at line 1754 of file linear_solver.h.

◆ sync_status_

SynchronizationStatus sync_status_
protectedinherited

Definition at line 1756 of file linear_solver.h.

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