Bonmin::NlpSolveHeuristic Class Reference

#include <BonNlpHeuristic.hpp>

Collaboration diagram for Bonmin::NlpSolveHeuristic:

[legend]List of all members.

Public Member Functions
	NlpSolveHeuristic ()
	Default constructor.
	NlpSolveHeuristic (CbcModel &mip, OsiSolverInterface &nlp, bool cloneNlp=false, CouenneProblem *couenne=NULL)
	Constructor with model and Ipopt problems.
	NlpSolveHeuristic (const NlpSolveHeuristic &other)
	Copy constructor.
virtual	~NlpSolveHeuristic ()
	Destructor.
virtual CbcHeuristic *	clone () const
	Clone.
NlpSolveHeuristic &	operator= (const NlpSolveHeuristic &rhs)
	Assignment operator.
void	setNlp (OsiSolverInterface &nlp, bool cloneNlp=true)
	Set the nlp solver.
void	setCouenneProblem (CouenneProblem *)
	set the couenne problem to use.
virtual void	resetModel (CbcModel *model)
	Does nothing.
virtual int	solution (double &objectiveValue, double *newSolution)
	Run heuristic, return 1 if a better solution than the one passed is found and 0 otherwise.
void	setMaxNlpInf (double value)
	set maxNlpInf.
void	setNumberSolvePerLevel (int value)
	set number of nlp's solved for each given level of the tree
Private Attributes
OsiSolverInterface *	nlp_
	Pointer to an nlp solver interface.
bool	hasCloned_
	is nlp_ cloned or just a pointer?
double	maxNlpInf_
	maximum nlp infeasibility under which try to solve problem with Ipopt.
int	numberSolvePerLevel_
	Number of nlp's solved for each given level of the tree.
CouenneProblem *	couenne_
	Pointer to a couenne representation of the problem.

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Detailed Description

Definition at line 22 of file BonNlpHeuristic.hpp.

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Constructor & Destructor Documentation

Bonmin::NlpSolveHeuristic::NlpSolveHeuristic

(

)

Default constructor.

Bonmin::NlpSolveHeuristic::NlpSolveHeuristic	(	CbcModel &	mip,
		OsiSolverInterface &	nlp,
		bool	cloneNlp = false,
		CouenneProblem *	couenne = NULL
	)

Constructor with model and Ipopt problems.

Bonmin::NlpSolveHeuristic::NlpSolveHeuristic

(

const NlpSolveHeuristic &

other

)

Copy constructor.

virtual Bonmin::NlpSolveHeuristic::~NlpSolveHeuristic

(

)

[virtual]

Destructor.

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Member Function Documentation

virtual CbcHeuristic* Bonmin::NlpSolveHeuristic::clone

(

)

const [virtual]

Clone.

NlpSolveHeuristic& Bonmin::NlpSolveHeuristic::operator=

(

const NlpSolveHeuristic &

rhs

)

Assignment operator.

void Bonmin::NlpSolveHeuristic::setNlp	(	OsiSolverInterface &	nlp,
		bool	cloneNlp = true
	)

Set the nlp solver.

void Bonmin::NlpSolveHeuristic::setCouenneProblem

(

CouenneProblem *

)

set the couenne problem to use.

virtual void Bonmin::NlpSolveHeuristic::resetModel

(

CbcModel *

model

)

[inline, virtual]

Does nothing.

Definition at line 46 of file BonNlpHeuristic.hpp.

virtual int Bonmin::NlpSolveHeuristic::solution	(	double &	objectiveValue,
		double *	newSolution
	)			[virtual]

Run heuristic, return 1 if a better solution than the one passed is found and 0 otherwise.

objectiveValue Best known solution in input and value of solution found in output newSolution Solution found by heuristic.

Todo:

Find a quicker way to get to Couenne objects, store them or something

void Bonmin::NlpSolveHeuristic::setMaxNlpInf

(

double

value

)

[inline]

set maxNlpInf.

Definition at line 54 of file BonNlpHeuristic.hpp.

References maxNlpInf_.

void Bonmin::NlpSolveHeuristic::setNumberSolvePerLevel

(

int

value

)

[inline]

set number of nlp's solved for each given level of the tree

Definition at line 57 of file BonNlpHeuristic.hpp.

References numberSolvePerLevel_.

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Member Data Documentation

OsiSolverInterface* Bonmin::NlpSolveHeuristic::nlp_ [private]

Pointer to an nlp solver interface.

Definition at line 61 of file BonNlpHeuristic.hpp.

bool Bonmin::NlpSolveHeuristic::hasCloned_ [private]

is nlp_ cloned or just a pointer?

Definition at line 63 of file BonNlpHeuristic.hpp.

double Bonmin::NlpSolveHeuristic::maxNlpInf_ [private]

maximum nlp infeasibility under which try to solve problem with Ipopt.

Definition at line 65 of file BonNlpHeuristic.hpp.

Referenced by setMaxNlpInf().

int Bonmin::NlpSolveHeuristic::numberSolvePerLevel_ [private]

Number of nlp's solved for each given level of the tree.

Definition at line 67 of file BonNlpHeuristic.hpp.

Referenced by setNumberSolvePerLevel().

CouenneProblem* Bonmin::NlpSolveHeuristic::couenne_ [private]

Pointer to a couenne representation of the problem.

Definition at line 69 of file BonNlpHeuristic.hpp.

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

• BonNlpHeuristic.hpp

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