Bonmin class for passing info between components of branch-and-cuts. More...

#include <BonAuxInfos.hpp>

Inheritance diagram for Bonmin::AuxInfo:

Collaboration diagram for Bonmin::AuxInfo:

Public Member Functions
	AuxInfo (int type)
	Default constructor.
	AuxInfo (const OsiBabSolver &other)
	Constructor from OsiBabSolver.
	AuxInfo (const AuxInfo &other)
	Copy constructor.
virtual	~AuxInfo ()
	Destructor.
virtual OsiAuxInfo *	clone () const
	Virtual copy constructor.
void	setFeasibleNode ()
	Declare the node to be feasible.
void	setInfeasibleNode ()
	Declare the node to be infeasible.
bool	infeasibleNode ()
	Say if current node is found feasible by cut generators.
const double *	nlpSolution ()
	Get solution found by nlp solver (or NULL if none found).
double	nlpObjValue ()
	Get objective value of nlp solution found, or +infinity if none exists.
void	setNlpSolution (const double *sol, int numcols, double objValue)
	Pass a solution found by an nlp solver.
void	setHasNlpSolution (bool b)
	Say if has an nlp solution.
const std::vector< double > &	bestSolution2 () const
	get the best solution computed with alternative objective function.
double	bestObj2 () const
	return objective value of the best solution computed with alternative objective function.
void	setBestObj2 (double o)
	Set an alternate objective value.
void	setBestSolution2 (int n, double *d)
Public Member Functions inherited from OsiBabSolver
	OsiBabSolver (int solverType=0)
	OsiBabSolver (const OsiBabSolver &rhs)
virtual	~OsiBabSolver ()
OsiBabSolver &	operator= (const OsiBabSolver &rhs)
void	setSolver (const OsiSolverInterface *solver)
void	setSolver (const OsiSolverInterface &solver)
int	solution (double &objectiveValue, double *newSolution, int numberColumns)
void	setSolution (const double *solution, int numberColumns, double objectiveValue)
bool	hasSolution (double &solutionValue, double *solution)
void	setSolverType (int value)
int	solverType () const
bool	solutionAddsCuts () const
bool	alwaysTryCutsAtRootNode () const
bool	solverAccurate () const
bool	reducedCostsAccurate () const
double	mipBound () const
bool	mipFeasible () const
void	setMipBound (double value)
double	bestObjectiveValue () const
bool	tryCuts () const
bool	warmStart () const
int	extraCharacteristics () const
void	setExtraCharacteristics (int value)
const double *	beforeLower () const
void	setBeforeLower (const double *array)
const double *	beforeUpper () const
void	setBeforeUpper (const double *array)
void	setExtraPointer (void *extraInfo)
void *	getExtraPointer () const
Public Member Functions inherited from OsiAuxInfo
	OsiAuxInfo (void *appData=NULL)
	OsiAuxInfo (const OsiAuxInfo &rhs)
virtual	~OsiAuxInfo ()
OsiAuxInfo &	operator= (const OsiAuxInfo &rhs)
void *	getApplicationData () const

Protected Attributes
bool	infeasibleNode_
	Say if current node was found infeasible during cut generation.
double	objValue_
	value of the objective function of this nlp solution
double *	nlpSolution_
	nlp solution found by heuristic if any.
int	numcols_
	numcols_ gives the size of nlpSolution_.
bool	hasNlpSolution_
	say if has a solution.
Coin::SmartPtr< SimpleReferenced< std::vector< double > > >	bestSolution2_
	Stores the solution with alternate objective.
Coin::SmartPtr< SimpleReferenced< double > >	bestObj2_
	Alternate solution objective value.
Protected Attributes inherited from OsiBabSolver
double	bestObjectiveValue_
double	mipBound_
const OsiSolverInterface *	solver_
double *	bestSolution_
const double *	beforeLower_
const double *	beforeUpper_
void *	extraInfo_
int	solverType_
int	sizeSolution_
int	extraCharacteristics_
Protected Attributes inherited from OsiAuxInfo
void *	appData_

Detailed Description

Bonmin class for passing info between components of branch-and-cuts.

Definition at line 23 of file BonAuxInfos.hpp.

Constructor & Destructor Documentation

◆ AuxInfo() [1/3]

Bonmin::AuxInfo::AuxInfo ( int type )

Default constructor.

◆ AuxInfo() [2/3]

Bonmin::AuxInfo::AuxInfo ( const OsiBabSolver & other )

Constructor from OsiBabSolver.

◆ AuxInfo() [3/3]

Bonmin::AuxInfo::AuxInfo ( const AuxInfo & other )

Copy constructor.

◆ ~AuxInfo()

virtual Bonmin::AuxInfo::~AuxInfo ( )

virtual

Destructor.

Member Function Documentation

◆ clone()

virtual OsiAuxInfo * Bonmin::AuxInfo::clone ( ) const

virtual

Virtual copy constructor.

Reimplemented from OsiBabSolver.

Reimplemented in Bonmin::BabInfo.

◆ setFeasibleNode()

void Bonmin::AuxInfo::setFeasibleNode ( )

inline

Declare the node to be feasible.

Definition at line 41 of file BonAuxInfos.hpp.

◆ setInfeasibleNode()

void Bonmin::AuxInfo::setInfeasibleNode ( )

inline

Declare the node to be infeasible.

Definition at line 45 of file BonAuxInfos.hpp.

◆ infeasibleNode()

bool Bonmin::AuxInfo::infeasibleNode ( )

inline

Say if current node is found feasible by cut generators.

Definition at line 49 of file BonAuxInfos.hpp.

◆ nlpSolution()

const double * Bonmin::AuxInfo::nlpSolution ( )

inline

Get solution found by nlp solver (or NULL if none found).

Definition at line 53 of file BonAuxInfos.hpp.

◆ nlpObjValue()

double Bonmin::AuxInfo::nlpObjValue ( )

Get objective value of nlp solution found, or +infinity if none exists.

◆ setNlpSolution()

void Bonmin::AuxInfo::setNlpSolution	(	const double *	sol,
		int	numcols,
		double	objValue )

Pass a solution found by an nlp solver.

◆ setHasNlpSolution()

void Bonmin::AuxInfo::setHasNlpSolution ( bool b )

inline

Say if has an nlp solution.

Definition at line 68 of file BonAuxInfos.hpp.

◆ bestSolution2()

const std::vector< double > & Bonmin::AuxInfo::bestSolution2 ( ) const

inline

get the best solution computed with alternative objective function.

Definition at line 71 of file BonAuxInfos.hpp.

◆ bestObj2()

double Bonmin::AuxInfo::bestObj2 ( ) const

inline

return objective value of the best solution computed with alternative objective function.

Definition at line 77 of file BonAuxInfos.hpp.

◆ setBestObj2()

void Bonmin::AuxInfo::setBestObj2 ( double o )

inline

Set an alternate objective value.

Definition at line 82 of file BonAuxInfos.hpp.

◆ setBestSolution2()

void Bonmin::AuxInfo::setBestSolution2	(	int	n,
		double *	d )

inline

Definition at line 86 of file BonAuxInfos.hpp.

Member Data Documentation

◆ infeasibleNode_

bool Bonmin::AuxInfo::infeasibleNode_

protected

Say if current node was found infeasible during cut generation.

Definition at line 93 of file BonAuxInfos.hpp.

◆ objValue_

double Bonmin::AuxInfo::objValue_

protected

value of the objective function of this nlp solution

Definition at line 95 of file BonAuxInfos.hpp.

◆ nlpSolution_

double* Bonmin::AuxInfo::nlpSolution_

protected

nlp solution found by heuristic if any.

Definition at line 97 of file BonAuxInfos.hpp.

◆ numcols_

int Bonmin::AuxInfo::numcols_

protected

numcols_ gives the size of nlpSolution_.

Definition at line 99 of file BonAuxInfos.hpp.

◆ hasNlpSolution_

bool Bonmin::AuxInfo::hasNlpSolution_

protected

say if has a solution.

Definition at line 101 of file BonAuxInfos.hpp.

◆ bestSolution2_

Coin::SmartPtr< SimpleReferenced<std::vector<double> > > Bonmin::AuxInfo::bestSolution2_

protected

Stores the solution with alternate objective.

Definition at line 103 of file BonAuxInfos.hpp.

◆ bestObj2_

Coin::SmartPtr< SimpleReferenced<double> > Bonmin::AuxInfo::bestObj2_

protected

Alternate solution objective value.

Definition at line 105 of file BonAuxInfos.hpp.

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

/builddir/build/BUILD/coin-or-Bonmin-1.8.9-build/Bonmin-releases-1.8.9/Bonmin/src/Interfaces/BonAuxInfos.hpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ AuxInfo() [1/3]

◆ AuxInfo() [2/3]

◆ AuxInfo() [3/3]

◆ ~AuxInfo()

Member Function Documentation

◆ clone()

◆ setFeasibleNode()

◆ setInfeasibleNode()

◆ infeasibleNode()

◆ nlpSolution()

◆ nlpObjValue()

◆ setNlpSolution()

◆ setHasNlpSolution()

◆ bestSolution2()

◆ bestObj2()

◆ setBestObj2()

◆ setBestSolution2()

Member Data Documentation

◆ infeasibleNode_

◆ objValue_

◆ nlpSolution_

◆ numcols_

◆ hasNlpSolution_

◆ bestSolution2_

◆ bestObj2_