Simple representation of a cut by storing non zero coefficients only. More...
#include <BB_cut.hpp>
Inheritance diagram for BB_cut:
Collaboration diagram for BB_cut:
Public Member Functions | |
| void | pack (BCP_buffer &buf) const |
| Packing cut to a buffer. More... | |
Constructors and destructors | |
| BB_cut (BCP_buffer &buf) | |
| Constructor from content of buffer. More... | |
| BB_cut (const OsiRowCut &cut) | |
| Constructor from an OsiRowCut. More... | |
| ~BB_cut () | |
| Destructor. More... | |
 Public Member Functions inherited from BCP_cut_algo | |
| BCP_cut_algo (const double lb, const double ub) | |
| This constructor just sets the data members to the given values. More... | |
| virtual | ~BCP_cut_algo ()=0 |
| The destructor deletes the object. More... | |
| BCP_object_t | obj_type () const |
Return BCP_AlgoObj indicating that the object is an algorithmic cut. More... | |
| Public Member Functions inherited from BCP_cut | |
| BCP_cut (const double lb, const double ub) | |
| The constructor sets the internal index of the cut to zero and the other data members to the given arguments. More... | |
| virtual | ~BCP_cut () |
| The destructor is virtual so that the appropriate destructor is invoked for every cut. More... | |
| int | effective_count () const |
| Return the effectiveness count of the cut (only in LP process). More... | |
| double | lb () const |
| Return the lower bound on the cut. More... | |
| double | ub () const |
| Return the upper bound on the cut. More... | |
| int | bcpind () const |
| Return the internal index of the cut. More... | |
| BCP_obj_status | status () const |
| Return the status of the cut. More... | |
| bool | dont_send_to_pool () const |
| Return whether the cut should be sent to the Cut Pool process. More... | |
| bool | is_non_removable () const |
| Return whether the cut marked as NotRemovable. More... | |
| bool | is_to_be_removed () const |
| Return whether the cut must be removed from the formulation. More... | |
| void | set_effective_count (const int cnt) |
| Set the effectiveness count to the given value. More... | |
| int | increase_effective_count () |
| Increase the effectiveness count by 1 (or to 1 if it was negative). More... | |
| int | decrease_effective_count () |
| Decrease the effectiveness count by 1 (or to -1 if it was positive). More... | |
| void | set_lb (const double lb) |
| Set the lower bound on the cut. More... | |
| void | set_ub (const double ub) |
| Set the upper bound on the cut. More... | |
| void | change_lb_ub_st (const BCP_obj_change &change) |
| Set the lower/upper bounds and the status of the cut simultaneously to the values given in the data members of the argument. More... | |
| void | change_bounds (const double lb, const double ub) |
| Change just the lower/upper bounds. More... | |
| void | set_bcpind (const int bcpind) |
| Set the internal index of the cut. More... | |
| void | set_bcpind_flip () |
| Flip the internal index of the variable to its negative. More... | |
| void | set_status (const BCP_obj_status stat) |
| Set the status of the cut. More... | |
| void | dont_send_to_pool (bool flag) |
| Set/unset the flag controlling whether the cut could be sent to the Cut Pool process. More... | |
| void | make_active () |
| Mark the cut as active. More... | |
| void | make_non_removable () |
| Mark the cut as NotRemovable. More... | |
| void | make_to_be_removed () |
| Mark the cut as ToBeRemoved. More... | |
| Public Member Functions inherited from Coin::ReferencedObject | |
| ReferencedObject () | |
| virtual | ~ReferencedObject () |
| int | ReferenceCount () const |
| void | AddRef () const |
| void | ReleaseRef () const |
| Public Member Functions inherited from OsiRowCut | |
| void | sortIncrIndex () |
| Allow access row sorting function. More... | |
| OsiRowCut_inline double | lb () const |
| Get lower bound. More... | |
| OsiRowCut_inline void | setLb (double lb) |
| Set lower bound. More... | |
| OsiRowCut_inline double | ub () const |
| Get upper bound. More... | |
| OsiRowCut_inline void | setUb (double ub) |
| Set upper bound. More... | |
| char | sense () const |
| Get sense ('E', 'G', 'L', 'N', 'R') More... | |
| double | rhs () const |
| Get right-hand side. More... | |
| double | range () const |
| Get range (ub - lb for 'R' rows, 0 otherwise) More... | |
| OsiRowCut_inline void | setRow (int size, const int *colIndices, const double *elements, bool testForDuplicateIndex=COIN_DEFAULT_VALUE_FOR_DUPLICATE) |
| Set row elements. More... | |
| OsiRowCut_inline void | setRow (const CoinPackedVector &v) |
| Set row elements from a packed vector. More... | |
| OsiRowCut_inline const CoinPackedVector & | row () const |
| Get row elements. More... | |
| OsiRowCut_inline CoinPackedVector & | mutableRow () |
| Get row elements for changing. More... | |
| OsiRowCut_inline bool | operator== (const OsiRowCut &rhs) const |
| equal - true if lower bound, upper bound, row elements, and OsiCut are equal. More... | |
| OsiRowCut_inline bool | operator!= (const OsiRowCut &rhs) const |
| not equal More... | |
| OsiRowCut_inline bool | consistent () const |
| Returns true if the cut is consistent. More... | |
| OsiRowCut_inline bool | consistent (const OsiSolverInterface &im) const |
| Returns true if cut is consistent with respect to the solver interface's model. More... | |
| OsiRowCut_inline bool | infeasible (const OsiSolverInterface &im) const |
| Returns true if the row cut itself is infeasible and cannot be satisfied. More... | |
| virtual double | violated (const double *solution) const |
| Returns infeasibility of the cut with respect to solution passed in i.e. More... | |
| void | operator+= (double value) |
add value to every vector entry More... | |
| void | operator-= (double value) |
subtract value from every vector entry More... | |
| void | operator*= (double value) |
multiply every vector entry by value More... | |
| void | operator/= (double value) |
divide every vector entry by value More... | |
| OsiRowCut & | operator= (const OsiRowCut &rhs) |
| Assignment operator. More... | |
| OsiRowCut (const OsiRowCut &) | |
| Copy constructor. More... | |
| virtual OsiRowCut * | clone () const |
| Clone. More... | |
| OsiRowCut () | |
| Default Constructor. More... | |
| OsiRowCut (double cutlb, double cutub, int capacity, int size, int *&colIndices, double *&elements) | |
| Ownership Constructor. More... | |
| virtual | ~OsiRowCut () |
| Destructor. More... | |
| virtual void | print () const |
| Print cuts in collection. More... | |
| Public Member Functions inherited from OsiCut | |
| void | setEffectiveness (double e) |
| Set effectiveness. More... | |
| double | effectiveness () const |
| Get effectiveness. More... | |
| void | setGloballyValid (bool trueFalse) |
| Set globallyValid (nonzero true) More... | |
| void | setGloballyValid () |
| Set globallyValid (nonzero true) More... | |
| void | setNotGloballyValid () |
| Set globallyValid (nonzero true) More... | |
| bool | globallyValid () const |
| Get globallyValid. More... | |
| void | setGloballyValidAsInteger (int trueFalse) |
| Set globallyValid as integer (nonzero true) More... | |
| int | globallyValidAsInteger () const |
| Get globallyValid. More... | |
| virtual bool | operator== (const OsiCut &rhs) const |
| equal. 2 cuts are equal if there effectiveness are equal More... | |
| virtual bool | operator!= (const OsiCut &rhs) const |
| not equal More... | |
| virtual bool | operator< (const OsiCut &rhs) const |
| less than. True if this.effectiveness < rhs.effectiveness More... | |
| virtual bool | operator> (const OsiCut &rhs) const |
| less than. True if this.effectiveness > rhs.effectiveness More... | |
Static Public Member Functions | |
| static void * | operator new (size_t size) |
| static void | operator delete (void *p, size_t size) |
Static Private Attributes | |
| static BCP_MemPool | memPool |
Additional Inherited Members | |
| Protected Member Functions inherited from OsiCut | |
| OsiCut () | |
| Default Constructor. More... | |
| OsiCut (const OsiCut &) | |
| Copy constructor. More... | |
| OsiCut & | operator= (const OsiCut &rhs) |
| Assignment operator. More... | |
| virtual | ~OsiCut () |
| Destructor. More... | |
| Protected Attributes inherited from BCP_cut | |
| double | _lb |
| Lower bound of the cut. More... | |
| double | _ub |
| Upper bound of the cut. More... | |
Detailed Description
Simple representation of a cut by storing non zero coefficients only.
Definition at line 64 of file BB_cut.hpp.
Constructor & Destructor Documentation
| BB_cut::BB_cut | ( | BCP_buffer & | buf | ) |
Constructor from content of buffer.
|
inline |
Destructor.
Definition at line 92 of file BB_cut.hpp.
Member Function Documentation
|
inlinestatic |
Definition at line 72 of file BB_cut.hpp.
References BCP_MemPool::alloc(), and memPool.
|
inlinestatic |
Definition at line 76 of file BB_cut.hpp.
References BCP_MemPool::free(), and memPool.
| void BB_cut::pack | ( | BCP_buffer & | buf | ) | const |
Packing cut to a buffer.
Member Data Documentation
|
staticprivate |
Definition at line 68 of file BB_cut.hpp.
Referenced by operator delete(), and operator new().
The documentation for this class was generated from the following file:
- /tmp/Bcp-1.4.4/Bcp/examples/BAC/include/BB_cut.hpp
