Public Member Functions | Private Member Functions | Private Attributes | Static Private Attributes | List of all members
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 = 0
 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.

void Bonmin::OuterApprox::initialize ( Bonmin::BabSetupBase &  b)

Initialize using options.

Definition at line 20 of file BonOuterApprox.cpp.

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.

Definition at line 25 of file BonOuterApprox.cpp.

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.

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.

double Bonmin::OuterApprox::veryTiny_
private

If constraint coefficient is below this, we neglect it.

Definition at line 70 of file BonOuterApprox.hpp.

int Bonmin::OuterApprox::nTimesCalled = 0
staticprivate

Count the number of linear outer approximations taken.

Definition at line 72 of file BonOuterApprox.hpp.

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