#include <OsiBranchingObject.hpp>
Inheritance diagram for OsiSOS:
Public Member Functions | |
OsiSOS () | |
OsiSOS (const OsiSolverInterface *solver, int numberMembers, const int *which, const double *weights, int type=1) | |
Useful constructor - which are indices and weights are also given. | |
OsiSOS (const OsiSOS &) | |
virtual OsiObject * | clone () const |
Clone. | |
OsiSOS & | operator= (const OsiSOS &rhs) |
virtual | ~OsiSOS () |
virtual double | infeasibility (const OsiBranchingInformation *info, int &whichWay) const |
Infeasibility - large is 0.5. | |
virtual double | feasibleRegion (OsiSolverInterface *solver, const OsiBranchingInformation *info) const |
Set bounds to fix the variable at the current (integer) value. | |
virtual OsiBranchingObject * | createBranch (OsiSolverInterface *solver, const OsiBranchingInformation *info, int way) const |
Creates a branching object. | |
virtual double | upEstimate () const |
Return "up" estimate (default 1.0e-5). | |
virtual double | downEstimate () const |
Return "down" estimate (default 1.0e-5). | |
virtual void | resetSequenceEtc (int numberColumns, const int *originalColumns) |
Redoes data when sequence numbers change. | |
int | numberMembers () const |
Number of members. | |
const int * | members () const |
Members (indices in range 0 ... numberColumns-1). | |
int | sosType () const |
SOS type. | |
int | setType () const |
SOS type. | |
const double * | weights () const |
Array of weights. | |
virtual bool | canDoHeuristics () const |
Return true if object can take part in normal heuristics. | |
void | setIntegerValued (bool yesNo) |
Set whether set is integer valued or not. | |
virtual bool | canHandleShadowPrices () const |
Return true if knows how to deal with Pseudo Shadow Prices. | |
void | setNumberMembers (int value) |
Set number of members. | |
int * | mutableMembers () const |
Members (indices in range 0 ... numberColumns-1). | |
void | setSosType (int value) |
Set SOS type. | |
double * | mutableWeights () const |
Array of weights. | |
Protected Attributes | |
int * | members_ |
Members (indices in range 0 ... numberColumns-1). | |
double * | weights_ |
Weights. | |
int | numberMembers_ |
Number of members. | |
int | sosType_ |
SOS type. | |
bool | integerValued_ |
Whether integer valued. |
These do not have to be integer - so do not appear in lists of integers.
which_ points columns of matrix
Definition at line 671 of file OsiBranchingObject.hpp.
OsiSOS::OsiSOS | ( | ) |
OsiSOS::OsiSOS | ( | const OsiSolverInterface * | solver, | |
int | numberMembers, | |||
const int * | which, | |||
const double * | weights, | |||
int | type = 1 | |||
) |
Useful constructor - which are indices and weights are also given.
If null then 0,1,2.. type is SOS type
OsiSOS::OsiSOS | ( | const OsiSOS & | ) |
virtual OsiSOS::~OsiSOS | ( | ) | [virtual] |
virtual double OsiSOS::infeasibility | ( | const OsiBranchingInformation * | info, | |
int & | whichWay | |||
) | const [virtual] |
virtual double OsiSOS::feasibleRegion | ( | OsiSolverInterface * | solver, | |
const OsiBranchingInformation * | info | |||
) | const [virtual] |
Set bounds to fix the variable at the current (integer) value.
Given an integer value, set the lower and upper bounds to fix the variable. Returns amount it had to move variable.
Implements OsiObject.
virtual OsiBranchingObject* OsiSOS::createBranch | ( | OsiSolverInterface * | solver, | |
const OsiBranchingInformation * | info, | |||
int | way | |||
) | const [virtual] |
Creates a branching object.
The preferred direction is set by way
, 0 for down, 1 for up.
Reimplemented from OsiObject.
virtual double OsiSOS::upEstimate | ( | ) | const [virtual] |
virtual double OsiSOS::downEstimate | ( | ) | const [virtual] |
virtual void OsiSOS::resetSequenceEtc | ( | int | numberColumns, | |
const int * | originalColumns | |||
) | [virtual] |
int OsiSOS::numberMembers | ( | ) | const [inline] |
Number of members.
Definition at line 723 of file OsiBranchingObject.hpp.
References numberMembers_.
const int* OsiSOS::members | ( | ) | const [inline] |
Members (indices in range 0 ... numberColumns-1).
Definition at line 727 of file OsiBranchingObject.hpp.
References members_.
int OsiSOS::sosType | ( | ) | const [inline] |
int OsiSOS::setType | ( | ) | const [inline] |
const double* OsiSOS::weights | ( | ) | const [inline] |
virtual bool OsiSOS::canDoHeuristics | ( | ) | const [inline, virtual] |
Return true if object can take part in normal heuristics.
Reimplemented from OsiObject.
Definition at line 744 of file OsiBranchingObject.hpp.
References integerValued_, and sosType_.
void OsiSOS::setIntegerValued | ( | bool | yesNo | ) | [inline] |
Set whether set is integer valued or not.
Definition at line 747 of file OsiBranchingObject.hpp.
References integerValued_.
virtual bool OsiSOS::canHandleShadowPrices | ( | ) | const [inline, virtual] |
Return true if knows how to deal with Pseudo Shadow Prices.
Reimplemented from OsiObject.
Definition at line 750 of file OsiBranchingObject.hpp.
void OsiSOS::setNumberMembers | ( | int | value | ) | [inline] |
Set number of members.
Definition at line 753 of file OsiBranchingObject.hpp.
References numberMembers_.
int* OsiSOS::mutableMembers | ( | ) | const [inline] |
Members (indices in range 0 ... numberColumns-1).
Definition at line 757 of file OsiBranchingObject.hpp.
References members_.
void OsiSOS::setSosType | ( | int | value | ) | [inline] |
double* OsiSOS::mutableWeights | ( | ) | const [inline] |
int* OsiSOS::members_ [protected] |
Members (indices in range 0 ... numberColumns-1).
Definition at line 771 of file OsiBranchingObject.hpp.
Referenced by members(), and mutableMembers().
double* OsiSOS::weights_ [protected] |
Weights.
Definition at line 773 of file OsiBranchingObject.hpp.
Referenced by mutableWeights(), and weights().
int OsiSOS::numberMembers_ [protected] |
Number of members.
Definition at line 776 of file OsiBranchingObject.hpp.
Referenced by numberMembers(), and setNumberMembers().
int OsiSOS::sosType_ [protected] |
SOS type.
Definition at line 778 of file OsiBranchingObject.hpp.
Referenced by canDoHeuristics(), setSosType(), setType(), and sosType().
bool OsiSOS::integerValued_ [protected] |
Whether integer valued.
Definition at line 780 of file OsiBranchingObject.hpp.
Referenced by canDoHeuristics(), and setIntegerValued().