Column Cut Class. More...
#include <OsiColCut.hpp>
Public Member Functions | |
Setting column bounds | |
void | setLbs (int nElements, const int *colIndices, const double *lbElements) |
Set column lower bounds. | |
void | setLbs (const CoinPackedVector &lbs) |
Set column lower bounds from a packed vector. | |
void | setUbs (int nElements, const int *colIndices, const double *ubElements) |
Set column upper bounds. | |
void | setUbs (const CoinPackedVector &ubs) |
Set column upper bounds from a packed vector. | |
Getting column bounds | |
const CoinPackedVector & | lbs () const |
Get column lower bounds. | |
const CoinPackedVector & | ubs () const |
Get column upper bounds. | |
Comparison operators | |
virtual bool | operator== (const OsiColCut &rhs) const |
equal - true if lower bounds, upper bounds, and OsiCut are equal. | |
virtual bool | operator!= (const OsiColCut &rhs) const |
not equal | |
Sanity checks on cut | |
virtual bool | consistent () const |
Returns true if the cut is consistent with respect to itself. | |
virtual bool | consistent (const OsiSolverInterface &im) const |
Returns true if cut is consistent with respect to the solver interface's model. | |
virtual bool | infeasible (const OsiSolverInterface &im) const |
Returns true if the cut is infeasible with respect to its bounds and the column bounds in the solver interface's models. | |
virtual double | violated (const double *solution) const |
Returns infeasibility of the cut with respect to solution passed in i.e. | |
Constructors and destructors | |
OsiColCut & | operator= (const OsiColCut &rhs) |
Assignment operator. | |
OsiColCut (const OsiColCut &) | |
Copy constructor. | |
OsiColCut () | |
Default Constructor. | |
virtual OsiColCut * | clone () const |
Clone. | |
virtual | ~OsiColCut () |
Destructor. | |
Debug stuff | |
virtual void | print () const |
Print cuts in collection. | |
Private Attributes | |
Private member data | |
CoinPackedVector | lbs_ |
Lower bounds. | |
CoinPackedVector | ubs_ |
Upper bounds. | |
Friends | |
void | OsiColCutUnitTest (const OsiSolverInterface *baseSiP, const std::string &mpsDir) |
A function that tests the methods in the OsiColCut class. |
Column Cut Class.
Column Cut Class has:
Definition at line 23 of file OsiColCut.hpp.
OsiColCut::OsiColCut | ( | const OsiColCut & | ) |
Copy constructor.
OsiColCut::OsiColCut | ( | ) |
Default Constructor.
virtual OsiColCut::~OsiColCut | ( | ) | [virtual] |
Destructor.
void OsiColCut::setLbs | ( | int | nElements, | |
const int * | colIndices, | |||
const double * | lbElements | |||
) | [inline] |
Set column lower bounds.
Definition at line 161 of file OsiColCut.hpp.
void OsiColCut::setLbs | ( | const CoinPackedVector & | lbs | ) | [inline] |
Set column lower bounds from a packed vector.
Definition at line 177 of file OsiColCut.hpp.
void OsiColCut::setUbs | ( | int | nElements, | |
const int * | colIndices, | |||
const double * | ubElements | |||
) | [inline] |
Set column upper bounds.
Definition at line 169 of file OsiColCut.hpp.
void OsiColCut::setUbs | ( | const CoinPackedVector & | ubs | ) | [inline] |
Set column upper bounds from a packed vector.
Definition at line 182 of file OsiColCut.hpp.
const CoinPackedVector & OsiColCut::lbs | ( | ) | const [inline] |
Get column lower bounds.
Definition at line 190 of file OsiColCut.hpp.
const CoinPackedVector & OsiColCut::ubs | ( | ) | const [inline] |
Get column upper bounds.
Definition at line 195 of file OsiColCut.hpp.
equal - true if lower bounds, upper bounds, and OsiCut are equal.
Reimplemented from OsiCut.
Definition at line 204 of file OsiColCut.hpp.
bool OsiColCut::consistent | ( | ) | const [inline, virtual] |
Returns true if the cut is consistent with respect to itself.
This checks to ensure that:
Implements OsiCut.
Definition at line 226 of file OsiColCut.hpp.
bool OsiColCut::consistent | ( | const OsiSolverInterface & | im | ) | const [inline, virtual] |
Returns true if cut is consistent with respect to the solver interface's model.
This checks to ensure that the lower & upperbound packed vectors:
Implements OsiCut.
Definition at line 239 of file OsiColCut.hpp.
bool OsiColCut::infeasible | ( | const OsiSolverInterface & | im | ) | const [inline, virtual] |
Returns true if the cut is infeasible with respect to its bounds and the column bounds in the solver interface's models.
This checks whether:
Implements OsiCut.
Definition at line 290 of file OsiColCut.hpp.
virtual double OsiColCut::violated | ( | const double * | solution | ) | const [virtual] |
Returns infeasibility of the cut with respect to solution passed in i.e.
is positive if cuts off that solution. solution is getNumCols() long..
Implements OsiCut.
Assignment operator.
Reimplemented from OsiCut.
virtual OsiColCut* OsiColCut::clone | ( | ) | const [virtual] |
Clone.
virtual void OsiColCut::print | ( | ) | const [virtual] |
Print cuts in collection.
Reimplemented from OsiCut.
void OsiColCutUnitTest | ( | const OsiSolverInterface * | baseSiP, | |
const std::string & | mpsDir | |||
) | [friend] |
A function that tests the methods in the OsiColCut class.
CoinPackedVector OsiColCut::lbs_ [private] |
Lower bounds.
Definition at line 149 of file OsiColCut.hpp.
CoinPackedVector OsiColCut::ubs_ [private] |
Upper bounds.
Definition at line 151 of file OsiColCut.hpp.