Bonmin::HeuristicDive Class Reference

#include <BonHeuristicDive.hpp>

Inheritance diagram for Bonmin::HeuristicDive:

Public Member Functions
	HeuristicDive ()
	Default constructor. More...
	HeuristicDive (BonminSetup *setup)
	Constructor with setup. More...
	HeuristicDive (const HeuristicDive &copy)
	Copy constructor. More...
	~HeuristicDive ()
	Destructor. More...
HeuristicDive &	operator= (const HeuristicDive &rhs)
	Assignment operator. More...
virtual CbcHeuristic *	clone () const =0
	Clone. More...
virtual void	resetModel (CbcModel *model)
	Resets stuff if model changes. More...
virtual void	setSetup (BonminSetup *setup)
	Change setup used for heuristic. More...
void	setPercentageToFix (double value)
	Set percentage of integer variables to fix at bounds. More...
virtual int	solution (double &solutionValue, double *betterSolution)
	Performs heuristic. More...
virtual void	setInternalVariables (TMINLP2TNLP *minlp)=0
	sets internal variables More...
virtual void	selectVariableToBranch (TMINLP2TNLP *minlp, const vector< int > &integerColumns, const double *newSolution, int &bestColumn, int &bestRound)=0
	Selects the next variable to branch on. More...

Protected Attributes
BonminSetup *	setup_
	Setup to use for local searches (will make copies). More...
double	percentageToFix_
	Percentage of integer variables to fix at bounds. More...

Private Attributes
int	howOften_
	How often to do (code can change) More...

Detailed Description

Definition at line 18 of file BonHeuristicDive.hpp.

Constructor & Destructor Documentation

Bonmin::HeuristicDive::HeuristicDive

(

)

Default constructor.

Bonmin::HeuristicDive::HeuristicDive

(

BonminSetup *

setup

)

Constructor with setup.

Bonmin::HeuristicDive::HeuristicDive

(

const HeuristicDive &

copy

)

Copy constructor.

Bonmin::HeuristicDive::~HeuristicDive ( )

inline

Destructor.

Definition at line 31 of file BonHeuristicDive.hpp.

Member Function Documentation

HeuristicDive& Bonmin::HeuristicDive::operator=

(

const HeuristicDive &

rhs

)

Assignment operator.

virtual CbcHeuristic* Bonmin::HeuristicDive::clone ( ) const

pure virtual

Clone.

Implemented in Bonmin::HeuristicDiveVectorLength, and Bonmin::HeuristicDiveFractional.

virtual void Bonmin::HeuristicDive::resetModel ( CbcModel *  model )

inlinevirtual

Resets stuff if model changes.

Definition at line 40 of file BonHeuristicDive.hpp.

virtual void Bonmin::HeuristicDive::setSetup ( BonminSetup *  setup )

inlinevirtual

Change setup used for heuristic.

Reimplemented in Bonmin::HeuristicDiveVectorLength, and Bonmin::HeuristicDiveFractional.

Definition at line 45 of file BonHeuristicDive.hpp.

References setup_.

Referenced by Bonmin::HeuristicDiveFractional::setSetup(), and Bonmin::HeuristicDiveVectorLength::setSetup().

void Bonmin::HeuristicDive::setPercentageToFix ( double  value )

inline

Set percentage of integer variables to fix at bounds.

Definition at line 51 of file BonHeuristicDive.hpp.

References percentageToFix_.

virtual int Bonmin::HeuristicDive::solution ( double &  solutionValue, double *  betterSolution  )

virtual

Performs heuristic.

virtual void Bonmin::HeuristicDive::setInternalVariables ( TMINLP2TNLP *  minlp )

pure virtual

sets internal variables

Implemented in Bonmin::HeuristicDiveVectorLength, and Bonmin::HeuristicDiveFractional.

virtual void Bonmin::HeuristicDive::selectVariableToBranch ( TMINLP2TNLP *  minlp, const vector< int > &  integerColumns, const double *  newSolution, int &  bestColumn, int &  bestRound  )

pure virtual

Selects the next variable to branch on.

If bestColumn = -1, it means that no variable was found

Implemented in Bonmin::HeuristicDiveVectorLength, and Bonmin::HeuristicDiveFractional.

Member Data Documentation

BonminSetup* Bonmin::HeuristicDive::setup_

protected

Setup to use for local searches (will make copies).

Definition at line 71 of file BonHeuristicDive.hpp.

Referenced by setSetup().

double Bonmin::HeuristicDive::percentageToFix_

protected

Percentage of integer variables to fix at bounds.

Definition at line 74 of file BonHeuristicDive.hpp.

Referenced by setPercentageToFix().

int Bonmin::HeuristicDive::howOften_

private

How often to do (code can change)

Definition at line 78 of file BonHeuristicDive.hpp.

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

• BonHeuristicDive.hpp