Define a class to add a bit of complexity to OsiObject This assumes 2 way branching. More...
#include <OsiBranchingObject.hpp>
Public Member Functions | |
OsiObject2 () | |
Default Constructor. More... | |
OsiObject2 (const OsiObject2 &) | |
Copy constructor. More... | |
OsiObject2 & | operator= (const OsiObject2 &rhs) |
Assignment operator. More... | |
virtual | ~OsiObject2 () |
Destructor. More... | |
void | setPreferredWay (int value) |
Set preferred way of branching - -1 off, 0 down, 1 up (for 2-way) More... | |
virtual int | preferredWay () const |
Get preferred way of branching - -1 off, 0 down, 1 up (for 2-way) More... | |
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OsiObject () | |
Default Constructor. More... | |
OsiObject (const OsiObject &) | |
Copy constructor. More... | |
OsiObject & | operator= (const OsiObject &rhs) |
Assignment operator. More... | |
virtual OsiObject * | clone () const =0 |
Clone. More... | |
virtual | ~OsiObject () |
Destructor. More... | |
double | infeasibility (const OsiSolverInterface *solver, int &whichWay) const |
Infeasibility of the object. More... | |
virtual double | infeasibility (const OsiBranchingInformation *info, int &whichWay) const =0 |
virtual double | checkInfeasibility (const OsiBranchingInformation *info) const |
virtual double | feasibleRegion (OsiSolverInterface *solver) const |
For the variable(s) referenced by the object, look at the current solution and set bounds to match the solution. More... | |
virtual double | feasibleRegion (OsiSolverInterface *solver, const OsiBranchingInformation *info) const =0 |
For the variable(s) referenced by the object, look at the current solution and set bounds to match the solution. More... | |
virtual OsiBranchingObject * | createBranch (OsiSolverInterface *, const OsiBranchingInformation *, int) const |
Create a branching object and indicate which way to branch first. More... | |
virtual bool | canDoHeuristics () const |
Return true if object can take part in normal heuristics. More... | |
virtual bool | canMoveToNearest () const |
Return true if object can take part in move to nearest heuristic. More... | |
virtual int | columnNumber () const |
Column number if single column object -1 otherwise, Used by heuristics. More... | |
int | priority () const |
Return Priority - note 1 is highest priority. More... | |
void | setPriority (int priority) |
Set priority. More... | |
virtual bool | boundBranch () const |
Return true if branch should only bound variables. More... | |
virtual bool | canHandleShadowPrices () const |
Return true if knows how to deal with Pseudo Shadow Prices. More... | |
int | numberWays () const |
Return maximum number of ways branch may have. More... | |
void | setNumberWays (int numberWays) |
Set maximum number of ways branch may have. More... | |
void | setWhichWay (int way) |
Return preferred way to branch. More... | |
int | whichWay () const |
Return current preferred way to branch. More... | |
double | infeasibility () const |
Return infeasibility. More... | |
virtual double | upEstimate () const |
Return "up" estimate (default 1.0e-5) More... | |
virtual double | downEstimate () const |
Return "down" estimate (default 1.0e-5) More... | |
virtual void | resetBounds (const OsiSolverInterface *) |
Reset variable bounds to their original values. More... | |
virtual void | resetSequenceEtc (int, const int *) |
Change column numbers after preprocessing. More... | |
virtual void | updateBefore (const OsiObject *) |
Updates stuff like pseudocosts before threads. More... | |
virtual void | updateAfter (const OsiObject *, const OsiObject *) |
Updates stuff like pseudocosts after threads finished. More... | |
Protected Attributes | |
int | preferredWay_ |
Preferred way of branching - -1 off, 0 down, 1 up (for 2-way) More... | |
double | otherInfeasibility_ |
"Infeasibility" on other way More... | |
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double | infeasibility_ |
data More... | |
short | whichWay_ |
Computed preferred way to branch. More... | |
short | numberWays_ |
Maximum number of ways on branch. More... | |
int | priority_ |
Priority. More... | |
Define a class to add a bit of complexity to OsiObject This assumes 2 way branching.
Definition at line 206 of file OsiBranchingObject.hpp.
OsiObject2::OsiObject2 | ( | ) |
Default Constructor.
OsiObject2::OsiObject2 | ( | const OsiObject2 & | ) |
Copy constructor.
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virtual |
Destructor.
OsiObject2& OsiObject2::operator= | ( | const OsiObject2 & | rhs | ) |
Assignment operator.
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inline |
Set preferred way of branching - -1 off, 0 down, 1 up (for 2-way)
Definition at line 223 of file OsiBranchingObject.hpp.
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inlinevirtual |
Get preferred way of branching - -1 off, 0 down, 1 up (for 2-way)
Reimplemented from OsiObject.
Definition at line 227 of file OsiBranchingObject.hpp.
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protected |
Preferred way of branching - -1 off, 0 down, 1 up (for 2-way)
Definition at line 231 of file OsiBranchingObject.hpp.
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mutableprotected |
"Infeasibility" on other way
Definition at line 233 of file OsiBranchingObject.hpp.