Bonmin::BabInfo Class Reference

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

#include <BonBabInfos.hpp>

Inheritance diagram for Bonmin::BabInfo:

Collaboration diagram for Bonmin::BabInfo:

Public Member Functions
	BabInfo (int type)
	Default constructor.
	BabInfo (const OsiBabSolver &other)
	Constructor from OsiBabSolver.
	BabInfo (const BabInfo &other)
	Copy constructor.
virtual	~BabInfo ()
	Destructor.
virtual OsiAuxInfo *	clone () const
	Virtual copy constructor.
void	setBabPtr (Bab *babPtr)
	Set pointer to the branch-and-bound algorithm (to access CbcModel).
Bab *	babPtr ()
	Pointer to the branch-and-bound algorithm (to access CbcModel).
bool	hasSolution () const
Public Member Functions inherited from Bonmin::AuxInfo
	AuxInfo (int type)
	Default constructor.
	AuxInfo (const OsiBabSolver &other)
	Constructor from OsiBabSolver.
	AuxInfo (const AuxInfo &other)
	Copy constructor.
virtual	~AuxInfo ()
	Destructor.
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
Bab *	babPtr_
	Pointer to branch-and-bound algorithm.
Protected Attributes inherited from Bonmin::AuxInfo
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 19 of file BonBabInfos.hpp.

Constructor & Destructor Documentation

BabInfo() [1/3]

Bonmin::BabInfo::BabInfo

(

int

type

)

Default constructor.

BabInfo() [2/3]

Bonmin::BabInfo::BabInfo

(

const OsiBabSolver &

other

)

Constructor from OsiBabSolver.

BabInfo() [3/3]

Bonmin::BabInfo::BabInfo

(

const BabInfo &

other

)

Copy constructor.

~BabInfo()

virtual Bonmin::BabInfo::~BabInfo ( )

virtual

Destructor.

Member Function Documentation

clone()

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

virtual

Virtual copy constructor.

Reimplemented from Bonmin::AuxInfo.

setBabPtr()

void Bonmin::BabInfo::setBabPtr ( Bab * babPtr )

inline

Set pointer to the branch-and-bound algorithm (to access CbcModel).

Definition at line 38 of file BonBabInfos.hpp.

babPtr()

Bab * Bonmin::BabInfo::babPtr ( )

inline

Pointer to the branch-and-bound algorithm (to access CbcModel).

Definition at line 44 of file BonBabInfos.hpp.

hasSolution()

bool Bonmin::BabInfo::hasSolution ( ) const

inline

Definition at line 49 of file BonBabInfos.hpp.

Member Data Documentation

babPtr_

Bab* Bonmin::BabInfo::babPtr_

protected

Pointer to branch-and-bound algorithm.

Definition at line 53 of file BonBabInfos.hpp.

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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/CbcBonmin/BonBabInfos.hpp