Bonmin::AuxInfo Class Reference

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

#include <BonAuxInfos.hpp>

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List of all members.

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 OsiAuxInfoclone () 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).
const 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)

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.

Detailed Description

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

Definition at line 24 of file BonAuxInfos.hpp.


Constructor & Destructor Documentation

Bonmin::AuxInfo::AuxInfo ( int  type  ) 

Default constructor.

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

Constructor from OsiBabSolver.

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

Copy constructor.

virtual Bonmin::AuxInfo::~AuxInfo (  )  [virtual]

Destructor.


Member Function Documentation

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

Virtual copy constructor.

Reimplemented from OsiBabSolver.

Reimplemented in Bonmin::CouenneInfo, and Bonmin::BabInfo.

void Bonmin::AuxInfo::setFeasibleNode (  )  [inline]

Declare the node to be feasible.

Definition at line 42 of file BonAuxInfos.hpp.

References infeasibleNode_.

void Bonmin::AuxInfo::setInfeasibleNode (  )  [inline]

Declare the node to be infeasible.

Definition at line 46 of file BonAuxInfos.hpp.

References infeasibleNode_.

bool Bonmin::AuxInfo::infeasibleNode (  )  [inline]

Say if current node is found feasible by cut generators.

Definition at line 50 of file BonAuxInfos.hpp.

References infeasibleNode_.

const double* Bonmin::AuxInfo::nlpSolution (  )  [inline]

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

Definition at line 54 of file BonAuxInfos.hpp.

References hasNlpSolution_, and nlpSolution_.

const double Bonmin::AuxInfo::nlpObjValue (  )  [inline]

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

Definition at line 63 of file BonAuxInfos.hpp.

References COIN_DBL_MAX, hasNlpSolution_, and objValue_.

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

Pass a solution found by an nlp solver.

void Bonmin::AuxInfo::setHasNlpSolution ( bool  b  )  [inline]

Say if has an nlp solution.

Definition at line 70 of file BonAuxInfos.hpp.

References hasNlpSolution_.

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

get the best solution computed with alternative objective function.

Definition at line 73 of file BonAuxInfos.hpp.

References bestSolution2_.

double Bonmin::AuxInfo::bestObj2 (  )  const [inline]

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

Definition at line 79 of file BonAuxInfos.hpp.

References bestObj2_.

void Bonmin::AuxInfo::setBestObj2 ( double  o  )  [inline]

Set an alternate objective value.

Definition at line 84 of file BonAuxInfos.hpp.

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

Definition at line 88 of file BonAuxInfos.hpp.

References bestSolution2_.


Member Data Documentation

bool Bonmin::AuxInfo::infeasibleNode_ [protected]

Say if current node was found infeasible during cut generation.

Definition at line 95 of file BonAuxInfos.hpp.

Referenced by infeasibleNode(), setFeasibleNode(), and setInfeasibleNode().

double Bonmin::AuxInfo::objValue_ [protected]

value of the objective function of this nlp solution

Definition at line 97 of file BonAuxInfos.hpp.

Referenced by nlpObjValue().

double* Bonmin::AuxInfo::nlpSolution_ [protected]

nlp solution found by heuristic if any.

Definition at line 99 of file BonAuxInfos.hpp.

Referenced by nlpSolution().

int Bonmin::AuxInfo::numcols_ [protected]

numcols_ gives the size of nlpSolution_.

Definition at line 101 of file BonAuxInfos.hpp.

bool Bonmin::AuxInfo::hasNlpSolution_ [protected]

say if has a solution.

Definition at line 103 of file BonAuxInfos.hpp.

Referenced by nlpObjValue(), nlpSolution(), and setHasNlpSolution().

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

Stores the solution with alternate objective.

Definition at line 105 of file BonAuxInfos.hpp.

Referenced by bestSolution2(), and setBestSolution2().

Coin::SmartPtr< SimpleReferenced<double> > Bonmin::AuxInfo::bestObj2_ [protected]

Alternate solution objective value.

Definition at line 107 of file BonAuxInfos.hpp.

Referenced by bestObj2().


The documentation for this class was generated from the following file:
Generated on Thu Jun 26 03:21:07 2008 for Bonmin by  doxygen 1.4.7