Bonmin 1.8.9
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Public Member Functions | Protected Attributes | List of all members
Bonmin::HeuristicDive Class Referenceabstract

#include <BonHeuristicDive.hpp>

+ Inheritance diagram for Bonmin::HeuristicDive:
+ Collaboration diagram for Bonmin::HeuristicDive:

Public Member Functions

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

Protected Attributes

BonminSetupsetup_
 Setup to use for local searches (will make copies).
 
double percentageToFix_
 Percentage of integer variables to fix at bounds.
 

Detailed Description

Definition at line 18 of file BonHeuristicDive.hpp.

Constructor & Destructor Documentation

◆ HeuristicDive() [1/3]

Bonmin::HeuristicDive::HeuristicDive ( )

Default constructor.

◆ HeuristicDive() [2/3]

Bonmin::HeuristicDive::HeuristicDive ( BonminSetup * setup)

Constructor with setup.

◆ HeuristicDive() [3/3]

Bonmin::HeuristicDive::HeuristicDive ( const HeuristicDive & copy)

Copy constructor.

◆ ~HeuristicDive()

Bonmin::HeuristicDive::~HeuristicDive ( )
inline

Destructor.

Definition at line 31 of file BonHeuristicDive.hpp.

Member Function Documentation

◆ operator=()

HeuristicDive & Bonmin::HeuristicDive::operator= ( const HeuristicDive & rhs)

Assignment operator.

◆ clone()

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

◆ resetModel()

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

Resets stuff if model changes.

Definition at line 40 of file BonHeuristicDive.hpp.

◆ setSetup()

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

Change setup used for heuristic.

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

Definition at line 45 of file BonHeuristicDive.hpp.

◆ setPercentageToFix()

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

Set percentage of integer variables to fix at bounds.

Definition at line 51 of file BonHeuristicDive.hpp.

◆ solution()

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

Performs heuristic.

◆ setInternalVariables()

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

sets internal variables

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

◆ selectVariableToBranch()

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::HeuristicDiveFractional, and Bonmin::HeuristicDiveVectorLength.

Member Data Documentation

◆ setup_

BonminSetup* Bonmin::HeuristicDive::setup_
protected

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

Definition at line 71 of file BonHeuristicDive.hpp.

◆ percentageToFix_

double Bonmin::HeuristicDive::percentageToFix_
protected

Percentage of integer variables to fix at bounds.

Definition at line 74 of file BonHeuristicDive.hpp.


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