Bonmin::OuterApprox Class Reference

A class to build outer approximations. More...

#include <BonOuterApprox.hpp>

Public Member Functions
	OuterApprox ()
	Default constructor. More...
	OuterApprox (const OuterApprox &other)
	Copy constructor. More...
OuterApprox &	operator= (const OuterApprox &rhs)
	Assignment operator. More...
	~OuterApprox ()
	Destructor. More...
void	initialize (Bonmin::BabSetupBase &b)
	Initialize using options. More...
void	extractLinearRelaxation (Bonmin::OsiTMINLPInterface &minlp, OsiSolverInterface *si, const double *x, bool getObj)
	Build the Outer approximation in minlp and put it in si. More...
void	operator() (Bonmin::OsiTMINLPInterface &minlp, OsiSolverInterface *si, const double *x, bool getObj)
	Operator() calls extractLinearRelaxation. More...

Private Member Functions
bool	cleanNnz (double &value, double colLower, double colUpper, double rowLower, double rowUpper, double colsol, double &lb, double &ub, double tiny, double veryTiny)
	Facilitator to clean up coefficient. More...

Private Attributes
double	tiny_
	If constraint coefficient is below this, we try to remove it. More...
double	veryTiny_
	If constraint coefficient is below this, we neglect it. More...

Static Private Attributes
static int	nTimesCalled
	Count the number of linear outer approximations taken. More...

Detailed Description

A class to build outer approximations.

Definition at line 21 of file BonOuterApprox.hpp.

Constructor & Destructor Documentation

Bonmin::OuterApprox::OuterApprox ( )

inline

Default constructor.

Definition at line 26 of file BonOuterApprox.hpp.

Bonmin::OuterApprox::OuterApprox ( const OuterApprox &  other )

inline

Copy constructor.

Definition at line 32 of file BonOuterApprox.hpp.

Bonmin::OuterApprox::~OuterApprox ( )

inline

Destructor.

Definition at line 47 of file BonOuterApprox.hpp.

Member Function Documentation

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

inline

Assignment operator.

Definition at line 39 of file BonOuterApprox.hpp.

References tiny_, and veryTiny_.

void Bonmin::OuterApprox::initialize

(

Bonmin::BabSetupBase &

b

)

Initialize using options.

void Bonmin::OuterApprox::extractLinearRelaxation	(	Bonmin::OsiTMINLPInterface &	minlp,
		OsiSolverInterface *	si,
		const double *	x,
		bool	getObj
	)

Build the Outer approximation in minlp and put it in si.

Referenced by operator()().

void Bonmin::OuterApprox::operator() ( Bonmin::OsiTMINLPInterface &  minlp, OsiSolverInterface *  si, const double *  x, bool  getObj  )

inline

Operator() calls extractLinearRelaxation.

Definition at line 57 of file BonOuterApprox.hpp.

References extractLinearRelaxation().

bool Bonmin::OuterApprox::cleanNnz ( double &  value, double  colLower, double  colUpper, double  rowLower, double  rowUpper, double  colsol, double &  lb, double &  ub, double  tiny, double  veryTiny  )

inlineprivate

Facilitator to clean up coefficient.

Definition at line 78 of file BonOuterApprox.hpp.

Member Data Documentation

double Bonmin::OuterApprox::tiny_

private

If constraint coefficient is below this, we try to remove it.

Definition at line 68 of file BonOuterApprox.hpp.

Referenced by operator=().

double Bonmin::OuterApprox::veryTiny_

private

If constraint coefficient is below this, we neglect it.

Definition at line 70 of file BonOuterApprox.hpp.

Referenced by operator=().

int Bonmin::OuterApprox::nTimesCalled

staticprivate

Count the number of linear outer approximations taken.

Definition at line 72 of file BonOuterApprox.hpp.

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

• BonOuterApprox.hpp