#include <CglStored.hpp>
Inheritance diagram for CglStored:
Public Member Functions | |
Generate Cuts | |
virtual void | generateCuts (const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo()) const |
Generate Mixed Integer Stored cuts for the model of the solver interface, si. | |
Change criterion on whether to include cut. | |
Violations of more than this will be added to current cut list (default 1.0e-5) | |
void | setRequiredViolation (double value) |
Set. | |
double | getRequiredViolation () const |
Get. | |
void | setProbingInfo (CglTreeProbingInfo *info) |
Takes over ownership of probing info. | |
Cut stuff | |
void | addCut (const OsiCuts &cs) |
Add cuts. | |
void | addCut (const OsiRowCut &cut) |
Add a row cut. | |
void | addCut (double lb, double ub, const CoinPackedVector &vector) |
Add a row cut from a packed vector. | |
void | addCut (double lb, double ub, int size, const int *colIndices, const double *elements) |
Add a row cut from elements. | |
int | sizeRowCuts () const |
const OsiRowCut * | rowCutPointer (int index) const |
void | saveStuff (double bestObjective, const double *bestSolution, const double *lower, const double *upper) |
Save stuff. | |
const double * | bestSolution () const |
Best solution (or NULL). | |
double | bestObjective () const |
Best objective. | |
const double * | tightLower () const |
Tight lower bounds. | |
const double * | tightUpper () const |
Tight upper bounds. | |
Constructors and destructors | |
CglStored (int numberColumns=0) | |
Default constructor. | |
CglStored (const CglStored &rhs) | |
Copy constructor. | |
CglStored (const char *fileName) | |
Constructor from file. | |
virtual CglCutGenerator * | clone () const |
Clone. | |
CglStored & | operator= (const CglStored &rhs) |
Assignment operator. | |
virtual | ~CglStored () |
Destructor. | |
Protected Attributes | |
Protected member data | |
double | requiredViolation_ |
Only add if more than this requiredViolation. | |
CglTreeProbingInfo * | probingInfo_ |
Pointer to probing information. | |
OsiCuts | cuts_ |
Cuts. | |
int | numberColumns_ |
Number of columns in model. | |
double * | bestSolution_ |
Best solution (objective at end). | |
double * | bounds_ |
Tight bounds. |
Definition at line 16 of file CglStored.hpp.
CglStored::CglStored | ( | int | numberColumns = 0 |
) |
Default constructor.
CglStored::CglStored | ( | const CglStored & | rhs | ) |
Copy constructor.
CglStored::CglStored | ( | const char * | fileName | ) |
Constructor from file.
virtual CglStored::~CglStored | ( | ) | [virtual] |
Destructor.
virtual void CglStored::generateCuts | ( | const OsiSolverInterface & | si, | |
OsiCuts & | cs, | |||
const CglTreeInfo | info = CglTreeInfo() | |||
) | const [virtual] |
Generate Mixed Integer Stored cuts for the model of the solver interface, si.
Insert the generated cuts into OsiCut, cs.
This generator just looks at previously stored cuts and inserts any that are violated by enough
Implements CglCutGenerator.
void CglStored::setRequiredViolation | ( | double | value | ) | [inline] |
double CglStored::getRequiredViolation | ( | ) | const [inline] |
void CglStored::setProbingInfo | ( | CglTreeProbingInfo * | info | ) | [inline] |
void CglStored::addCut | ( | const OsiCuts & | cs | ) |
Add cuts.
void CglStored::addCut | ( | const OsiRowCut & | cut | ) |
Add a row cut.
void CglStored::addCut | ( | double | lb, | |
double | ub, | |||
const CoinPackedVector & | vector | |||
) |
Add a row cut from a packed vector.
void CglStored::addCut | ( | double | lb, | |
double | ub, | |||
int | size, | |||
const int * | colIndices, | |||
const double * | elements | |||
) |
Add a row cut from elements.
int CglStored::sizeRowCuts | ( | ) | const [inline] |
Definition at line 60 of file CglStored.hpp.
const OsiRowCut* CglStored::rowCutPointer | ( | int | index | ) | const [inline] |
Definition at line 62 of file CglStored.hpp.
void CglStored::saveStuff | ( | double | bestObjective, | |
const double * | bestSolution, | |||
const double * | lower, | |||
const double * | upper | |||
) |
Save stuff.
const double* CglStored::bestSolution | ( | ) | const [inline] |
double CglStored::bestObjective | ( | ) | const |
Best objective.
const double* CglStored::tightLower | ( | ) | const [inline] |
const double* CglStored::tightUpper | ( | ) | const [inline] |
virtual CglCutGenerator* CglStored::clone | ( | ) | const [virtual] |
double CglStored::requiredViolation_ [protected] |
CglTreeProbingInfo* CglStored::probingInfo_ [protected] |
OsiCuts CglStored::cuts_ [mutable, protected] |
int CglStored::numberColumns_ [protected] |
double* CglStored::bestSolution_ [protected] |
double* CglStored::bounds_ [protected] |