Cbc  2.10.3
List of all members
OsiSolverLink Class Reference

This is to allow the user to replace initialSolve and resolve This version changes coefficients. More...

#include <CbcLinked.hpp>

+ Inheritance diagram for OsiSolverLink:

Public Member Functions

Solve methods
virtual void initialSolve ()
 Solve initial LP relaxation. More...
 
virtual void resolve ()
 Resolve an LP relaxation after problem modification. More...
 
virtual int fathom (bool allFixed)
 Problem specific Returns -1 if node fathomed and no solution 0 if did nothing 1 if node fathomed and solution allFixed is true if all LinkedBound variables are fixed. More...
 
double * nonlinearSLP (int numberPasses, double deltaTolerance)
 Solves nonlinear problem from CoinModel using SLP - may be used as crash for other algorithms when number of iterations small. More...
 
double linearizedBAB (CglStored *cut)
 Solve linearized quadratic objective branch and bound. More...
 
double * heuristicSolution (int numberPasses, double deltaTolerance, int mode)
 Solves nonlinear problem from CoinModel using SLP - and then tries to get heuristic solution Returns solution array mode - 0 just get continuous 1 round and try normal bab 2 use defaultBound_ to bound integer variables near current solution. More...
 
int doAOCuts (CglTemporary *cutGen, const double *solution, const double *solution2)
 Do OA cuts. More...
 
Constructors and destructors
 OsiSolverLink ()
 Default Constructor. More...
 
 OsiSolverLink (CoinModel &modelObject)
 This creates from a coinModel object. More...
 
void load (CoinModel &modelObject, bool tightenBounds=false, int logLevel=1)
 
virtual OsiSolverInterfaceclone (bool copyData=true) const
 Clone. More...
 
 OsiSolverLink (const OsiSolverLink &)
 Copy constructor. More...
 
OsiSolverLinkoperator= (const OsiSolverLink &rhs)
 Assignment operator. More...
 
virtual ~OsiSolverLink ()
 Destructor. More...
 
Sets and Gets
void addBoundModifier (bool upperBoundAffected, bool useUpperBound, int whichVariable, int whichVariableAffected, double multiplier=1.0)
 Add a bound modifier. More...
 
int updateCoefficients (ClpSimplex *solver, CoinPackedMatrix *matrix)
 Update coefficients - returns number updated if in updating mode. More...
 
void analyzeObjects ()
 Analyze constraints to see which are convex (quadratic) More...
 
void addTighterConstraints ()
 Add reformulated bilinear constraints. More...
 
double bestObjectiveValue () const
 Objective value of best solution found internally. More...
 
void setBestObjectiveValue (double value)
 Set objective value of best solution found internally. More...
 
const double * bestSolution () const
 Best solution found internally. More...
 
void setBestSolution (const double *solution, int numberColumns)
 Set best solution found internally. More...
 
void setSpecialOptions2 (int value)
 Set special options. More...
 
void sayConvex (bool convex)
 Say convex (should work it out) - if convex false then strictly concave. More...
 
int specialOptions2 () const
 Get special options. More...
 
CoinPackedMatrixcleanMatrix () const
 Clean copy of matrix So we can add rows. More...
 
CoinPackedMatrixoriginalRowCopy () const
 Row copy of matrix Just genuine columns and rows Linear part. More...
 
ClpSimplexquadraticModel () const
 Copy of quadratic model if one. More...
 
CoinPackedMatrixquadraticRow (int rowNumber, double *linear) const
 Gets correct form for a quadratic row - user to delete. More...
 
double defaultMeshSize () const
 Default meshSize. More...
 
void setDefaultMeshSize (double value)
 
double defaultBound () const
 Default maximumbound. More...
 
void setDefaultBound (double value)
 
void setIntegerPriority (int value)
 Set integer priority. More...
 
int integerPriority () const
 Get integer priority. More...
 
int objectiveVariable () const
 Objective transfer variable if one. More...
 
void setBiLinearPriority (int value)
 Set biLinear priority. More...
 
int biLinearPriority () const
 Get biLinear priority. More...
 
const CoinModelcoinModel () const
 Return CoinModel. More...
 
void setBiLinearPriorities (int value, double meshSize=1.0)
 Set all biLinear priorities on x-x variables. More...
 
void setBranchingStrategyOnVariables (int strategyValue, int priorityValue=-1, int mode=7)
 Set options and priority on all or some biLinear variables 1 - on I-I 2 - on I-x 4 - on x-x or combinations. More...
 
void setMeshSizes (double value)
 Set all mesh sizes on x-x variables. More...
 
void setFixedPriority (int priorityValue)
 Two tier integer problem where when set of variables with priority less than this are fixed the problem becomes an easier integer problem. More...
 
- Public Member Functions inherited from CbcOsiSolver
 CbcOsiSolver ()
 Default Constructor. More...
 
 CbcOsiSolver (const CbcOsiSolver &)
 Copy constructor. More...
 
CbcOsiSolveroperator= (const CbcOsiSolver &rhs)
 Assignment operator. More...
 
virtual ~CbcOsiSolver ()
 Destructor. More...
 
void setCbcModel (CbcModel *model)
 Set Cbc Model. More...
 
CbcModelcbcModel () const
 Return Cbc Model. More...
 
- Public Member Functions inherited from OsiClpSolverInterface
virtual void setObjSense (double s)
 
virtual void setColSolution (const double *colsol)
 
virtual void setRowPrice (const double *rowprice)
 
virtual void resolveGub (int needed)
 
virtual void branchAndBound ()
 
void crossover (int options, int basis)
 
virtual int canDoSimplexInterface () const
 
virtual void enableFactorization () const
 
virtual void disableFactorization () const
 
virtual bool basisIsAvailable () const
 
virtual void getBasisStatus (int *cstat, int *rstat) const
 
virtual int setBasisStatus (const int *cstat, const int *rstat)
 
virtual void getReducedGradient (double *columnReducedCosts, double *duals, const double *c) const
 
virtual void getBInvARow (int row, double *z, double *slack=NULL) const
 
virtual void getBInvARow (int row, CoinIndexedVector *z, CoinIndexedVector *slack=NULL, bool keepScaled=false) const
 
virtual void getBInvRow (int row, double *z) const
 
virtual void getBInvACol (int col, double *vec) const
 
virtual void getBInvACol (int col, CoinIndexedVector *vec) const
 
virtual void getBInvACol (CoinIndexedVector *vec) const
 
virtual void getBInvCol (int col, double *vec) const
 
virtual void getBasics (int *index) const
 
virtual void enableSimplexInterface (bool doingPrimal)
 
void copyEnabledSuff (OsiClpSolverInterface &rhs)
 
virtual void disableSimplexInterface ()
 
void copyEnabledStuff (ClpSimplex &rhs)
 
virtual int pivot (int colIn, int colOut, int outStatus)
 
virtual int primalPivotResult (int colIn, int sign, int &colOut, int &outStatus, double &t, CoinPackedVector *dx)
 
virtual int dualPivotResult (int &colIn, int &sign, int colOut, int outStatus, double &t, CoinPackedVector *dx)
 
bool setIntParam (OsiIntParam key, int value)
 
bool setDblParam (OsiDblParam key, double value)
 
bool setStrParam (OsiStrParam key, const std::string &value)
 
bool getIntParam (OsiIntParam key, int &value) const
 
bool getDblParam (OsiDblParam key, double &value) const
 
bool getStrParam (OsiStrParam key, std::string &value) const
 
virtual bool setHintParam (OsiHintParam key, bool yesNo=true, OsiHintStrength strength=OsiHintTry, void *otherInformation=NULL)
 
virtual bool isAbandoned () const
 
virtual bool isProvenOptimal () const
 
virtual bool isProvenPrimalInfeasible () const
 
virtual bool isProvenDualInfeasible () const
 
virtual bool isPrimalObjectiveLimitReached () const
 
virtual bool isDualObjectiveLimitReached () const
 
virtual bool isIterationLimitReached () const
 
virtual CoinWarmStartgetEmptyWarmStart () const
 
virtual CoinWarmStartgetWarmStart () const
 
CoinWarmStartBasisgetPointerToWarmStart ()
 
const CoinWarmStartBasisgetConstPointerToWarmStart () const
 
virtual bool setWarmStart (const CoinWarmStart *warmstart)
 
virtual CoinWarmStartgetPointerToWarmStart (bool &mustDelete)
 
void setColumnStatus (int iColumn, ClpSimplex::Status status)
 
virtual void markHotStart ()
 
virtual void solveFromHotStart ()
 
virtual void unmarkHotStart ()
 
int startFastDual (int options)
 
void stopFastDual ()
 
void setStuff (double tolerance, double increment)
 
OsiRowCutsmallModelCut (const double *originalLower, const double *originalUpper, int numberRowsAtContinuous, const int *whichGenerator, int typeCut=0)
 
OsiRowCutmodelCut (const double *originalLower, const double *originalUpper, int numberRowsAtContinuous, const int *whichGenerator, int typeCut=0)
 
virtual int getNumCols () const
 
virtual int getNumRows () const
 
virtual CoinBigIndex getNumElements () const
 
virtual std::string getRowName (int rowIndex, unsigned maxLen=static_cast< unsigned >(std::string::npos)) const
 
virtual std::string getColName (int colIndex, unsigned maxLen=static_cast< unsigned >(std::string::npos)) const
 
virtual const double * getColLower () const
 
virtual const double * getColUpper () const
 
virtual const char * getRowSense () const
 
virtual const double * getRightHandSide () const
 
virtual const double * getRowRange () const
 
virtual const double * getRowLower () const
 
virtual const double * getRowUpper () const
 
virtual const double * getObjCoefficients () const
 
virtual double getObjSense () const
 
virtual bool isContinuous (int colNumber) const
 
virtual bool isBinary (int colIndex) const
 
virtual bool isInteger (int colIndex) const
 
virtual bool isIntegerNonBinary (int colIndex) const
 
virtual bool isFreeBinary (int colIndex) const
 
virtual const char * getColType (bool refresh=false) const
 
bool isOptionalInteger (int colIndex) const
 
void setOptionalInteger (int index)
 
bool isHeuristicInteger (int colIndex) const
 
int integerType (int colIndex) const
 
void setIntegerType (int colIndex, int value)
 
virtual const CoinPackedMatrixgetMatrixByRow () const
 
virtual const CoinPackedMatrixgetMatrixByCol () const
 
virtual CoinPackedMatrixgetMutableMatrixByCol () const
 
virtual double getInfinity () const
 
virtual const double * getColSolution () const
 
virtual const double * getRowPrice () const
 
virtual const double * getReducedCost () const
 
virtual const double * getRowActivity () const
 
virtual double getObjValue () const
 
virtual int getIterationCount () const
 
virtual std::vector< double * > getDualRays (int maxNumRays, bool fullRay=false) const
 
virtual std::vector< double * > getPrimalRays (int maxNumRays) const
 
virtual void setObjCoeff (int elementIndex, double elementValue)
 
virtual void setColLower (int elementIndex, double elementValue)
 
virtual void setColUpper (int elementIndex, double elementValue)
 
virtual void setColBounds (int elementIndex, double lower, double upper)
 
virtual void setColSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 
virtual void setRowLower (int elementIndex, double elementValue)
 
virtual void setRowUpper (int elementIndex, double elementValue)
 
virtual void setRowBounds (int elementIndex, double lower, double upper)
 
virtual void setRowType (int index, char sense, double rightHandSide, double range)
 
virtual void setRowSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 
virtual void setRowSetTypes (const int *indexFirst, const int *indexLast, const char *senseList, const double *rhsList, const double *rangeList)
 
virtual void setObjective (const double *array)
 
virtual void setColLower (const double *array)
 
virtual void setColUpper (const double *array)
 
virtual void setRowName (int rowIndex, std::string name)
 
virtual void setColName (int colIndex, std::string name)
 
virtual void setContinuous (int index)
 
virtual void setInteger (int index)
 
virtual void setContinuous (const int *indices, int len)
 
virtual void setInteger (const int *indices, int len)
 
int numberSOS () const
 
const CoinSetsetInfo () const
 
void replaceSetInfo (int numberSOS, CoinSet *setInfo)
 
virtual int findIntegersAndSOS (bool justCount)
 
virtual void addCol (const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj)
 
virtual void addCol (const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj, std::string name)
 
virtual void addCol (int numberElements, const int *rows, const double *elements, const double collb, const double colub, const double obj)
 
virtual void addCol (int numberElements, const int *rows, const double *elements, const double collb, const double colub, const double obj, std::string name)
 
virtual void addCols (const int numcols, const CoinPackedVectorBase *const *cols, const double *collb, const double *colub, const double *obj)
 
virtual void addCols (const int numcols, const CoinBigIndex *columnStarts, const int *rows, const double *elements, const double *collb, const double *colub, const double *obj)
 
virtual void deleteCols (const int num, const int *colIndices)
 
virtual void addRow (const CoinPackedVectorBase &vec, const double rowlb, const double rowub)
 
virtual void addRow (const CoinPackedVectorBase &vec, const double rowlb, const double rowub, std::string name)
 
virtual void addRow (const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng)
 
virtual void addRow (int numberElements, const int *columns, const double *element, const double rowlb, const double rowub)
 
virtual void addRow (const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng, std::string name)
 
virtual void addRows (const int numrows, const CoinPackedVectorBase *const *rows, const double *rowlb, const double *rowub)
 
virtual void addRows (const int numrows, const CoinPackedVectorBase *const *rows, const char *rowsen, const double *rowrhs, const double *rowrng)
 
virtual void addRows (const int numrows, const CoinBigIndex *rowStarts, const int *columns, const double *element, const double *rowlb, const double *rowub)
 
void modifyCoefficient (int row, int column, double newElement, bool keepZero=false)
 
virtual void deleteRows (const int num, const int *rowIndices)
 
virtual void saveBaseModel ()
 
virtual void restoreBaseModel (int numberRows)
 
virtual void applyRowCuts (int numberCuts, const OsiRowCut *cuts)
 
virtual void applyRowCuts (int numberCuts, const OsiRowCut **cuts)
 
virtual ApplyCutsReturnCode applyCuts (const OsiCuts &cs, double effectivenessLb=0.0)
 
virtual void loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub)
 
virtual void assignProblem (CoinPackedMatrix *&matrix, double *&collb, double *&colub, double *&obj, double *&rowlb, double *&rowub)
 
virtual void loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const char *rowsen, const double *rowrhs, const double *rowrng)
 
virtual void assignProblem (CoinPackedMatrix *&matrix, double *&collb, double *&colub, double *&obj, char *&rowsen, double *&rowrhs, double *&rowrng)
 
virtual void loadProblem (const ClpMatrixBase &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub)
 
virtual void loadProblem (const int numcols, const int numrows, const CoinBigIndex *start, const int *index, const double *value, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub)
 
virtual void loadProblem (const int numcols, const int numrows, const CoinBigIndex *start, const int *index, const double *value, const double *collb, const double *colub, const double *obj, const char *rowsen, const double *rowrhs, const double *rowrng)
 
virtual int loadFromCoinModel (CoinModel &modelObject, bool keepSolution=false)
 
virtual int readMps (const char *filename, const char *extension="mps")
 
int readMps (const char *filename, bool keepNames, bool allowErrors)
 
virtual int readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets)
 
virtual void writeMps (const char *filename, const char *extension="mps", double objSense=0.0) const
 
virtual int writeMpsNative (const char *filename, const char **rowNames, const char **columnNames, int formatType=0, int numberAcross=2, double objSense=0.0) const
 
virtual int readLp (const char *filename, const double epsilon=1e-5)
 
virtual void writeLp (const char *filename, const char *extension="lp", double epsilon=1e-5, int numberAcross=10, int decimals=5, double objSense=0.0, bool useRowNames=true) const
 
virtual void writeLp (FILE *fp, double epsilon=1e-5, int numberAcross=10, int decimals=5, double objSense=0.0, bool useRowNames=true) const
 
virtual void replaceMatrixOptional (const CoinPackedMatrix &matrix)
 
virtual void replaceMatrix (const CoinPackedMatrix &matrix)
 
virtual int readMps (const char *filename, const char *extension="mps")
 
virtual int readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets)
 
virtual int readMps (const char *filename, const char *extension="mps")
 
virtual int readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets)
 
virtual void passInMessageHandler (CoinMessageHandler *handler)
 
void newLanguage (CoinMessages::Language language)
 
void setLanguage (CoinMessages::Language language)
 
void setLogLevel (int value)
 
void generateCpp (FILE *fp)
 
ClpSimplexgetModelPtr () const
 
ClpSimplexswapModelPtr (ClpSimplex *newModel)
 
unsigned int specialOptions () const
 
void setSpecialOptions (unsigned int value)
 
int lastAlgorithm () const
 
void setLastAlgorithm (int value)
 
int cleanupScaling () const
 
void setCleanupScaling (int value)
 
double smallestElementInCut () const
 
void setSmallestElementInCut (double value)
 
double smallestChangeInCut () const
 
void setSmallestChangeInCut (double value)
 
void setSolveOptions (const ClpSolve &options)
 
virtual int tightenBounds (int lightweight=0)
 
int infeasibleOtherWay (char *whichWay)
 
virtual CoinBigIndex getSizeL () const
 
virtual CoinBigIndex getSizeU () const
 
const OsiClpDisasterHandlerdisasterHandler () const
 
void passInDisasterHandler (OsiClpDisasterHandler *handler)
 
ClpLinearObjectivefakeObjective () const
 
void setFakeObjective (ClpLinearObjective *fakeObjective)
 
void setFakeObjective (double *fakeObjective)
 
void setupForRepeatedUse (int senseOfAdventure=0, int printOut=0)
 
virtual void synchronizeModel ()
 
void setSpecialOptionsMutable (unsigned int value) const
 
 OsiClpSolverInterface ()
 
 OsiClpSolverInterface (const OsiClpSolverInterface &)
 
 OsiClpSolverInterface (ClpSimplex *rhs, bool reallyOwn=false)
 
void releaseClp ()
 
OsiClpSolverInterfaceoperator= (const OsiClpSolverInterface &rhs)
 
virtual ~OsiClpSolverInterface ()
 
virtual void reset ()
 
virtual void resolveGub (int needed)
 
virtual void branchAndBound ()
 
void crossover (int options, int basis)
 
virtual int canDoSimplexInterface () const
 
virtual void enableFactorization () const
 
virtual void disableFactorization () const
 
virtual bool basisIsAvailable () const
 
virtual void getBasisStatus (int *cstat, int *rstat) const
 
virtual int setBasisStatus (const int *cstat, const int *rstat)
 
virtual void getReducedGradient (double *columnReducedCosts, double *duals, const double *c) const
 
virtual void getBInvARow (int row, double *z, double *slack=NULL) const
 
virtual void getBInvARow (int row, CoinIndexedVector *z, CoinIndexedVector *slack=NULL, bool keepScaled=false) const
 
virtual void getBInvRow (int row, double *z) const
 
virtual void getBInvACol (int col, double *vec) const
 
virtual void getBInvACol (int col, CoinIndexedVector *vec) const
 
virtual void getBInvACol (CoinIndexedVector *vec) const
 
virtual void getBInvCol (int col, double *vec) const
 
virtual void getBasics (int *index) const
 
virtual void enableSimplexInterface (bool doingPrimal)
 
void copyEnabledSuff (OsiClpSolverInterface &rhs)
 
virtual void disableSimplexInterface ()
 
void copyEnabledStuff (ClpSimplex &rhs)
 
virtual int pivot (int colIn, int colOut, int outStatus)
 
virtual int primalPivotResult (int colIn, int sign, int &colOut, int &outStatus, double &t, CoinPackedVector *dx)
 
virtual int dualPivotResult (int &colIn, int &sign, int colOut, int outStatus, double &t, CoinPackedVector *dx)
 
bool setIntParam (OsiIntParam key, int value)
 
bool setDblParam (OsiDblParam key, double value)
 
bool setStrParam (OsiStrParam key, const std::string &value)
 
bool getIntParam (OsiIntParam key, int &value) const
 
bool getDblParam (OsiDblParam key, double &value) const
 
bool getStrParam (OsiStrParam key, std::string &value) const
 
virtual bool setHintParam (OsiHintParam key, bool yesNo=true, OsiHintStrength strength=OsiHintTry, void *otherInformation=NULL)
 
virtual bool isAbandoned () const
 
virtual bool isProvenOptimal () const
 
virtual bool isProvenPrimalInfeasible () const
 
virtual bool isProvenDualInfeasible () const
 
virtual bool isPrimalObjectiveLimitReached () const
 
virtual bool isDualObjectiveLimitReached () const
 
virtual bool isIterationLimitReached () const
 
virtual CoinWarmStartgetEmptyWarmStart () const
 
virtual CoinWarmStartgetWarmStart () const
 
CoinWarmStartBasisgetPointerToWarmStart ()
 
const CoinWarmStartBasisgetConstPointerToWarmStart () const
 
virtual bool setWarmStart (const CoinWarmStart *warmstart)
 
virtual CoinWarmStartgetPointerToWarmStart (bool &mustDelete)
 
void setColumnStatus (int iColumn, ClpSimplex::Status status)
 
virtual void markHotStart ()
 
virtual void solveFromHotStart ()
 
virtual void unmarkHotStart ()
 
int startFastDual (int options)
 
void stopFastDual ()
 
void setStuff (double tolerance, double increment)
 
OsiRowCutsmallModelCut (const double *originalLower, const double *originalUpper, int numberRowsAtContinuous, const int *whichGenerator, int typeCut=0)
 
OsiRowCutmodelCut (const double *originalLower, const double *originalUpper, int numberRowsAtContinuous, const int *whichGenerator, int typeCut=0)
 
virtual int getNumCols () const
 
virtual int getNumRows () const
 
virtual CoinBigIndex getNumElements () const
 
virtual std::string getRowName (int rowIndex, unsigned maxLen=static_cast< unsigned >(std::string::npos)) const
 
virtual std::string getColName (int colIndex, unsigned maxLen=static_cast< unsigned >(std::string::npos)) const
 
virtual const double * getColLower () const
 
virtual const double * getColUpper () const
 
virtual const char * getRowSense () const
 
virtual const double * getRightHandSide () const
 
virtual const double * getRowRange () const
 
virtual const double * getRowLower () const
 
virtual const double * getRowUpper () const
 
virtual const double * getObjCoefficients () const
 
virtual double getObjSense () const
 
virtual bool isContinuous (int colNumber) const
 
virtual bool isBinary (int colIndex) const
 
virtual bool isInteger (int colIndex) const
 
virtual bool isIntegerNonBinary (int colIndex) const
 
virtual bool isFreeBinary (int colIndex) const
 
virtual const char * getColType (bool refresh=false) const
 
bool isOptionalInteger (int colIndex) const
 
void setOptionalInteger (int index)
 
bool isHeuristicInteger (int colIndex) const
 
int integerType (int colIndex) const
 
void setIntegerType (int colIndex, int value)
 
virtual const CoinPackedMatrixgetMatrixByRow () const
 
virtual const CoinPackedMatrixgetMatrixByCol () const
 
virtual CoinPackedMatrixgetMutableMatrixByCol () const
 
virtual double getInfinity () const
 
virtual const double * getColSolution () const
 
virtual const double * getRowPrice () const
 
virtual const double * getReducedCost () const
 
virtual const double * getRowActivity () const
 
virtual double getObjValue () const
 
virtual int getIterationCount () const
 
virtual std::vector< double * > getDualRays (int maxNumRays, bool fullRay=false) const
 
virtual std::vector< double * > getPrimalRays (int maxNumRays) const
 
virtual void setObjCoeff (int elementIndex, double elementValue)
 
virtual void setColLower (int elementIndex, double elementValue)
 
virtual void setColUpper (int elementIndex, double elementValue)
 
virtual void setColBounds (int elementIndex, double lower, double upper)
 
virtual void setColSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 
virtual void setRowLower (int elementIndex, double elementValue)
 
virtual void setRowUpper (int elementIndex, double elementValue)
 
virtual void setRowBounds (int elementIndex, double lower, double upper)
 
virtual void setRowType (int index, char sense, double rightHandSide, double range)
 
virtual void setRowSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 
virtual void setRowSetTypes (const int *indexFirst, const int *indexLast, const char *senseList, const double *rhsList, const double *rangeList)
 
virtual void setObjective (const double *array)
 
virtual void setColLower (const double *array)
 
virtual void setColUpper (const double *array)
 
virtual void setRowName (int rowIndex, std::string name)
 
virtual void setColName (int colIndex, std::string name)
 
virtual void setContinuous (int index)
 
virtual void setInteger (int index)
 
virtual void setContinuous (const int *indices, int len)
 
virtual void setInteger (const int *indices, int len)
 
int numberSOS () const
 
const CoinSetsetInfo () const
 
void replaceSetInfo (int numberSOS, CoinSet *setInfo)
 
virtual int findIntegersAndSOS (bool justCount)
 
virtual void addCol (const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj)
 
virtual void addCol (const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj, std::string name)
 
virtual void addCol (int numberElements, const int *rows, const double *elements, const double collb, const double colub, const double obj)
 
virtual void addCol (int numberElements, const int *rows, const double *elements, const double collb, const double colub, const double obj, std::string name)
 
virtual void addCols (const int numcols, const CoinPackedVectorBase *const *cols, const double *collb, const double *colub, const double *obj)
 
virtual void addCols (const int numcols, const CoinBigIndex *columnStarts, const int *rows, const double *elements, const double *collb, const double *colub, const double *obj)
 
virtual void deleteCols (const int num, const int *colIndices)
 
virtual void addRow (const CoinPackedVectorBase &vec, const double rowlb, const double rowub)
 
virtual void addRow (const CoinPackedVectorBase &vec, const double rowlb, const double rowub, std::string name)
 
virtual void addRow (const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng)
 
virtual void addRow (int numberElements, const int *columns, const double *element, const double rowlb, const double rowub)
 
virtual void addRow (const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng, std::string name)
 
virtual void addRows (const int numrows, const CoinPackedVectorBase *const *rows, const double *rowlb, const double *rowub)
 
virtual void addRows (const int numrows, const CoinPackedVectorBase *const *rows, const char *rowsen, const double *rowrhs, const double *rowrng)
 
virtual void addRows (const int numrows, const CoinBigIndex *rowStarts, const int *columns, const double *element, const double *rowlb, const double *rowub)
 
void modifyCoefficient (int row, int column, double newElement, bool keepZero=false)
 
virtual void deleteRows (const int num, const int *rowIndices)
 
virtual void saveBaseModel ()
 
virtual void restoreBaseModel (int numberRows)
 
virtual void applyRowCuts (int numberCuts, const OsiRowCut *cuts)
 
virtual void applyRowCuts (int numberCuts, const OsiRowCut **cuts)
 
virtual ApplyCutsReturnCode applyCuts (const OsiCuts &cs, double effectivenessLb=0.0)
 
virtual void loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub)
 
virtual void assignProblem (CoinPackedMatrix *&matrix, double *&collb, double *&colub, double *&obj, double *&rowlb, double *&rowub)
 
virtual void loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const char *rowsen, const double *rowrhs, const double *rowrng)
 
virtual void assignProblem (CoinPackedMatrix *&matrix, double *&collb, double *&colub, double *&obj, char *&rowsen, double *&rowrhs, double *&rowrng)
 
virtual void loadProblem (const ClpMatrixBase &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub)
 
virtual void loadProblem (const int numcols, const int numrows, const CoinBigIndex *start, const int *index, const double *value, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub)
 
virtual void loadProblem (const int numcols, const int numrows, const CoinBigIndex *start, const int *index, const double *value, const double *collb, const double *colub, const double *obj, const char *rowsen, const double *rowrhs, const double *rowrng)
 
virtual int loadFromCoinModel (CoinModel &modelObject, bool keepSolution=false)
 
virtual int readMps (const char *filename, const char *extension="mps")
 
int readMps (const char *filename, bool keepNames, bool allowErrors)
 
virtual int readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets)
 
virtual void writeMps (const char *filename, const char *extension="mps", double objSense=0.0) const
 
virtual int writeMpsNative (const char *filename, const char **rowNames, const char **columnNames, int formatType=0, int numberAcross=2, double objSense=0.0) const
 
virtual int readLp (const char *filename, const double epsilon=1e-5)
 
virtual void writeLp (const char *filename, const char *extension="lp", double epsilon=1e-5, int numberAcross=10, int decimals=5, double objSense=0.0, bool useRowNames=true) const
 
virtual void writeLp (FILE *fp, double epsilon=1e-5, int numberAcross=10, int decimals=5, double objSense=0.0, bool useRowNames=true) const
 
virtual void replaceMatrixOptional (const CoinPackedMatrix &matrix)
 
virtual void replaceMatrix (const CoinPackedMatrix &matrix)
 
virtual int readMps (const char *filename, const char *extension="mps")
 
virtual int readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets)
 
virtual int readMps (const char *filename, const char *extension="mps")
 
virtual int readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets)
 
virtual void passInMessageHandler (CoinMessageHandler *handler)
 
void newLanguage (CoinMessages::Language language)
 
void setLanguage (CoinMessages::Language language)
 
void setLogLevel (int value)
 
void generateCpp (FILE *fp)
 
ClpSimplexgetModelPtr () const
 
ClpSimplexswapModelPtr (ClpSimplex *newModel)
 
unsigned int specialOptions () const
 
void setSpecialOptions (unsigned int value)
 
int lastAlgorithm () const
 
void setLastAlgorithm (int value)
 
int cleanupScaling () const
 
void setCleanupScaling (int value)
 
double smallestElementInCut () const
 
void setSmallestElementInCut (double value)
 
double smallestChangeInCut () const
 
void setSmallestChangeInCut (double value)
 
void setSolveOptions (const ClpSolve &options)
 
virtual int tightenBounds (int lightweight=0)
 
int infeasibleOtherWay (char *whichWay)
 
virtual CoinBigIndex getSizeL () const
 
virtual CoinBigIndex getSizeU () const
 
const OsiClpDisasterHandlerdisasterHandler () const
 
void passInDisasterHandler (OsiClpDisasterHandler *handler)
 
ClpLinearObjectivefakeObjective () const
 
void setFakeObjective (ClpLinearObjective *fakeObjective)
 
void setFakeObjective (double *fakeObjective)
 
void setupForRepeatedUse (int senseOfAdventure=0, int printOut=0)
 
virtual void synchronizeModel ()
 
void setSpecialOptionsMutable (unsigned int value) const
 
 OsiClpSolverInterface ()
 
 OsiClpSolverInterface (const OsiClpSolverInterface &)
 
 OsiClpSolverInterface (ClpSimplex *rhs, bool reallyOwn=false)
 
void releaseClp ()
 
OsiClpSolverInterfaceoperator= (const OsiClpSolverInterface &rhs)
 
virtual ~OsiClpSolverInterface ()
 
virtual void reset ()
 
void setBasis (const CoinWarmStartBasis &basis)
 
void setBasis ()
 
CoinWarmStartDiffgetBasisDiff (const unsigned char *statusArray) const
 
CoinWarmStartBasisgetBasis (const unsigned char *statusArray) const
 
void deleteScaleFactors ()
 
const double * upRange () const
 
const double * downRange () const
 
void passInRanges (int *array)
 
void setSOSData (int numberSOS, const char *type, const int *start, const int *indices, const double *weights=NULL)
 
void computeLargestAway ()
 
double largestAway () const
 
void setLargestAway (double value)
 
void lexSolve ()
 
ClpSimplexgetContinuousModel () const
 
void setContinuousModel (ClpSimplex *model)
 
- Public Member Functions inherited from OsiSolverInterface
virtual bool getHintParam (OsiHintParam key, bool &yesNo, OsiHintStrength &strength, void *&otherInformation) const
 
virtual bool getHintParam (OsiHintParam key, bool &yesNo, OsiHintStrength &strength) const
 
virtual bool getHintParam (OsiHintParam key, bool &yesNo) const
 
void copyParameters (OsiSolverInterface &rhs)
 
double getIntegerTolerance () const
 
virtual int getNumIntegers () const
 
const char * columnType (bool refresh=false) const
 
void setColumnType (int iColumn, char type)
 
virtual CoinPackedMatrixgetMutableMatrixByRow () const
 
virtual const double * getStrictColSolution ()
 
virtual OsiVectorInt getFractionalIndices (const double etol=1.e-05) const
 
virtual void setObjCoeffSet (const int *indexFirst, const int *indexLast, const double *coeffList)
 
virtual int reducedCostFix (double gap, bool justInteger=true)
 
virtual std::string dfltRowColName (char rc, int ndx, unsigned digits=7) const
 
virtual std::string getObjName (unsigned maxLen=static_cast< unsigned >(std::string::npos)) const
 
virtual void setObjName (std::string name)
 
virtual const OsiNameVecgetRowNames ()
 
virtual void setRowNames (OsiNameVec &srcNames, int srcStart, int len, int tgtStart)
 
virtual void deleteRowNames (int tgtStart, int len)
 
virtual const OsiNameVecgetColNames ()
 
virtual void setColNames (OsiNameVec &srcNames, int srcStart, int len, int tgtStart)
 
virtual void deleteColNames (int tgtStart, int len)
 
void setRowColNames (const CoinMpsIO &mps)
 
void setRowColNames (CoinModel &mod)
 
void setRowColNames (CoinLpIO &mod)
 
void addCols (const CoinBuild &buildObject)
 
int addCols (CoinModel &modelObject)
 
void addRows (const CoinBuild &buildObject)
 
int addRows (CoinModel &modelObject)
 
void deleteBranchingInfo (int numberDeleted, const int *which)
 
virtual int readGMPL (const char *filename, const char *dataname=NULL)
 
int writeMpsNative (const char *filename, const char **rowNames, const char **columnNames, int formatType=0, int numberAcross=2, double objSense=0.0, int numberSOS=0, const CoinSet *setInfo=NULL) const
 
int writeLpNative (const char *filename, char const *const *const rowNames, char const *const *const columnNames, const double epsilon=1.0e-5, const int numberAcross=10, const int decimals=5, const double objSense=0.0, const bool useRowNames=true) const
 
int writeLpNative (FILE *fp, char const *const *const rowNames, char const *const *const columnNames, const double epsilon=1.0e-5, const int numberAcross=10, const int decimals=5, const double objSense=0.0, const bool useRowNames=true) const
 
int readLp (FILE *fp, const double epsilon=1e-5)
 
int differentModel (OsiSolverInterface &other, bool ignoreNames=true)
 
void statistics (double &minimumNegative, double &maximumNegative, double &minimumPositive, double &maximumPositive, int type=3) const
 
void setApplicationData (void *appData)
 
void setAuxiliaryInfo (OsiAuxInfo *auxiliaryInfo)
 
void * getApplicationData () const
 
OsiAuxInfogetAuxiliaryInfo () const
 
void newLanguage (CoinMessages::Language language)
 
void setLanguage (CoinMessages::Language language)
 
CoinMessageHandlermessageHandler () const
 
CoinMessages messages ()
 
CoinMessagesmessagesPointer ()
 
bool defaultHandler () const
 
void findIntegers (bool justCount)
 
int numberObjects () const
 
void setNumberObjects (int number)
 
OsiObject ** objects () const
 
const OsiObjectobject (int which) const
 
OsiObjectmodifiableObject (int which) const
 
void deleteObjects ()
 
void addObjects (int numberObjects, OsiObject **objects)
 
double forceFeasible ()
 
virtual void activateRowCutDebugger (const char *modelName)
 
virtual void activateRowCutDebugger (const double *solution, bool enforceOptimality=true)
 
const OsiRowCutDebuggergetRowCutDebugger () const
 
OsiRowCutDebuggergetRowCutDebuggerAlways () const
 
bool optimalBasisIsAvailable () const
 
 OsiSolverInterface ()
 
 OsiSolverInterface (const OsiSolverInterface &)
 
OsiSolverInterfaceoperator= (const OsiSolverInterface &rhs)
 
virtual ~OsiSolverInterface ()
 
virtual bool getHintParam (OsiHintParam key, bool &yesNo, OsiHintStrength &strength, void *&otherInformation) const
 
virtual bool getHintParam (OsiHintParam key, bool &yesNo, OsiHintStrength &strength) const
 
virtual bool getHintParam (OsiHintParam key, bool &yesNo) const
 
void copyParameters (OsiSolverInterface &rhs)
 
double getIntegerTolerance () const
 
virtual int getNumIntegers () const
 
const char * columnType (bool refresh=false) const
 
void setColumnType (int iColumn, char type)
 
virtual CoinPackedMatrixgetMutableMatrixByRow () const
 
virtual const double * getStrictColSolution ()
 
virtual OsiVectorInt getFractionalIndices (const double etol=1.e-05) const
 
virtual void setObjCoeffSet (const int *indexFirst, const int *indexLast, const double *coeffList)
 
virtual int reducedCostFix (double gap, bool justInteger=true)
 
virtual std::string dfltRowColName (char rc, int ndx, unsigned digits=7) const
 
virtual std::string getObjName (unsigned maxLen=static_cast< unsigned >(std::string::npos)) const
 
virtual void setObjName (std::string name)
 
virtual const OsiNameVecgetRowNames ()
 
virtual void setRowNames (OsiNameVec &srcNames, int srcStart, int len, int tgtStart)
 
virtual void deleteRowNames (int tgtStart, int len)
 
virtual const OsiNameVecgetColNames ()
 
virtual void setColNames (OsiNameVec &srcNames, int srcStart, int len, int tgtStart)
 
virtual void deleteColNames (int tgtStart, int len)
 
void setRowColNames (const CoinMpsIO &mps)
 
void setRowColNames (CoinModel &mod)
 
void setRowColNames (CoinLpIO &mod)
 
void addCols (const CoinBuild &buildObject)
 
int addCols (CoinModel &modelObject)
 
void addRows (const CoinBuild &buildObject)
 
int addRows (CoinModel &modelObject)
 
void deleteBranchingInfo (int numberDeleted, const int *which)
 
virtual int readGMPL (const char *filename, const char *dataname=NULL)
 
int writeMpsNative (const char *filename, const char **rowNames, const char **columnNames, int formatType=0, int numberAcross=2, double objSense=0.0, int numberSOS=0, const CoinSet *setInfo=NULL) const
 
int writeLpNative (const char *filename, char const *const *const rowNames, char const *const *const columnNames, const double epsilon=1.0e-5, const int numberAcross=10, const int decimals=5, const double objSense=0.0, const bool useRowNames=true) const
 
int writeLpNative (FILE *fp, char const *const *const rowNames, char const *const *const columnNames, const double epsilon=1.0e-5, const int numberAcross=10, const int decimals=5, const double objSense=0.0, const bool useRowNames=true) const
 
int readLp (FILE *fp, const double epsilon=1e-5)
 
int differentModel (OsiSolverInterface &other, bool ignoreNames=true)
 
void statistics (double &minimumNegative, double &maximumNegative, double &minimumPositive, double &maximumPositive, int type=3) const
 
void setApplicationData (void *appData)
 
void setAuxiliaryInfo (OsiAuxInfo *auxiliaryInfo)
 
void * getApplicationData () const
 
OsiAuxInfogetAuxiliaryInfo () const
 
void newLanguage (CoinMessages::Language language)
 
void setLanguage (CoinMessages::Language language)
 
CoinMessageHandlermessageHandler () const
 
CoinMessages messages ()
 
CoinMessagesmessagesPointer ()
 
bool defaultHandler () const
 
void findIntegers (bool justCount)
 
int numberObjects () const
 
void setNumberObjects (int number)
 
OsiObject ** objects () const
 
const OsiObjectobject (int which) const
 
OsiObjectmodifiableObject (int which) const
 
void deleteObjects ()
 
void addObjects (int numberObjects, OsiObject **objects)
 
double forceFeasible ()
 
virtual void activateRowCutDebugger (const char *modelName)
 
virtual void activateRowCutDebugger (const double *solution, bool enforceOptimality=true)
 
const OsiRowCutDebuggergetRowCutDebugger () const
 
OsiRowCutDebuggergetRowCutDebuggerAlways () const
 
bool optimalBasisIsAvailable () const
 
 OsiSolverInterface ()
 
 OsiSolverInterface (const OsiSolverInterface &)
 
OsiSolverInterfaceoperator= (const OsiSolverInterface &rhs)
 
virtual ~OsiSolverInterface ()
 

Protected Member Functions

functions
void gutsOfDestructor (bool justNullify=false)
 Do real work of initialize. More...
 
void gutsOfCopy (const OsiSolverLink &rhs)
 Do real work of copy. More...
 
- Protected Member Functions inherited from OsiClpSolverInterface
virtual void applyRowCut (const OsiRowCut &rc)
 
virtual void applyColCut (const OsiColCut &cc)
 
void gutsOfDestructor ()
 
void freeCachedResults () const
 
void freeCachedResults0 () const
 
void freeCachedResults1 () const
 
void extractSenseRhsRange () const
 
void fillParamMaps ()
 
CoinWarmStartBasis getBasis (ClpSimplex *model) const
 
void setBasis (const CoinWarmStartBasis &basis, ClpSimplex *model)
 
void crunch ()
 
void redoScaleFactors (int numberRows, const CoinBigIndex *starts, const int *indices, const double *elements)
 
- Protected Member Functions inherited from OsiSolverInterface
void convertBoundToSense (const double lower, const double upper, char &sense, double &right, double &range) const
 
void convertSenseToBound (const char sense, const double right, const double range, double &lower, double &upper) const
 
forceIntoRange (const T value, const T lower, const T upper) const
 
void setInitialData ()
 
void convertBoundToSense (const double lower, const double upper, char &sense, double &right, double &range) const
 
void convertSenseToBound (const char sense, const double right, const double range, double &lower, double &upper) const
 
forceIntoRange (const T value, const T lower, const T upper) const
 
void setInitialData ()
 

Protected Attributes

Private member data
CoinPackedMatrixmatrix_
 Clean copy of matrix Marked coefficients will be multiplied by L or U. More...
 
CoinPackedMatrixoriginalRowCopy_
 Row copy of matrix Just genuine columns and rows. More...
 
ClpSimplexquadraticModel_
 Copy of quadratic model if one. More...
 
int numberNonLinearRows_
 Number of rows with nonLinearities. More...
 
int * startNonLinear_
 Starts of lists. More...
 
int * rowNonLinear_
 Row number for a list. More...
 
int * convex_
 Indicator whether is convex, concave or neither -1 concave, 0 neither, +1 convex. More...
 
int * whichNonLinear_
 Indices in a list/row. More...
 
CoinModel coinModel_
 Model in CoinModel format. More...
 
int numberVariables_
 Number of variables in tightening phase. More...
 
OsiLinkedBoundinfo_
 Information. More...
 
int specialOptions2_
 0 bit (1) - call fathom (may do mini B&B) 1 bit (2) - quadratic only in objective (add OA cuts) 2 bit (4) - convex 3 bit (8) - try adding OA cuts 4 bit (16) - add linearized constraints More...
 
int objectiveRow_
 Objective transfer row if one. More...
 
int objectiveVariable_
 Objective transfer variable if one. More...
 
double bestObjectiveValue_
 Objective value of best solution found internally. More...
 
double defaultMeshSize_
 Default mesh. More...
 
double defaultBound_
 Default maximum bound. More...
 
double * bestSolution_
 Best solution found internally. More...
 
int integerPriority_
 Priority for integers. More...
 
int biLinearPriority_
 Priority for bilinear. More...
 
int numberFix_
 Number of variables which when fixed help. More...
 
int * fixVariables_
 list of fixed variables More...
 
- Protected Attributes inherited from CbcOsiSolver
CbcModelcbcModel_
 Pointer back to CbcModel. More...
 
- Protected Attributes inherited from OsiClpSolverInterface
ClpSimplexmodelPtr_
 
char * rowsense_
 
double * rhs_
 
double * rowrange_
 
CoinWarmStartBasisws_
 
double * rowActivity_
 
double * columnActivity_
 
ClpNodeStuff stuff_
 
int numberSOS_
 
CoinSetsetInfo_
 
ClpSimplexsmallModel_
 
ClpFactorizationfactorization_
 
double smallestElementInCut_
 
double smallestChangeInCut_
 
double largestAway_
 
char * spareArrays_
 
CoinWarmStartBasis basis_
 
int itlimOrig_
 
int lastAlgorithm_
 
bool notOwned_
 
CoinPackedMatrixmatrixByRow_
 
CoinPackedMatrixmatrixByRowAtContinuous_
 
char * integerInformation_
 
int * whichRange_
 
bool fakeMinInSimplex_
 
double * linearObjective_
 
ClpDataSave saveData_
 
ClpSolve solveOptions_
 
int cleanupScaling_
 
unsigned int specialOptions_
 
ClpSimplexbaseModel_
 
int lastNumberRows_
 
ClpSimplexcontinuousModel_
 
OsiClpDisasterHandlerdisasterHandler_
 
ClpLinearObjectivefakeObjective_
 
CoinDoubleArrayWithLength rowScale_
 
CoinDoubleArrayWithLength columnScale_
 
- Protected Attributes inherited from OsiSolverInterface
OsiRowCutDebuggerrowCutDebugger_
 
CoinMessageHandlerhandler_
 
bool defaultHandler_
 
CoinMessages messages_
 
int numberIntegers_
 
int numberObjects_
 
OsiObject ** object_
 
char * columnType_
 

Additional Inherited Members

- Public Types inherited from OsiSolverInterface
typedef std::vector< std::string > OsiNameVec
 

Detailed Description

This is to allow the user to replace initialSolve and resolve This version changes coefficients.

Definition at line 29 of file CbcLinked.hpp.

Constructor & Destructor Documentation

◆ OsiSolverLink() [1/3]

OsiSolverLink::OsiSolverLink ( )

Default Constructor.

◆ OsiSolverLink() [2/3]

OsiSolverLink::OsiSolverLink ( CoinModel modelObject)

This creates from a coinModel object.

if errors.then number of sets is -1

This creates linked ordered sets information. It assumes -

for product terms syntax is yy*f(zz) also just f(zz) is allowed and even a constant

modelObject not const as may be changed as part of process.

◆ OsiSolverLink() [3/3]

OsiSolverLink::OsiSolverLink ( const OsiSolverLink )

Copy constructor.

◆ ~OsiSolverLink()

virtual OsiSolverLink::~OsiSolverLink ( )
virtual

Destructor.

Member Function Documentation

◆ initialSolve()

virtual void OsiSolverLink::initialSolve ( )
virtual

Solve initial LP relaxation.

Reimplemented from OsiClpSolverInterface.

◆ resolve()

virtual void OsiSolverLink::resolve ( )
virtual

Resolve an LP relaxation after problem modification.

Reimplemented from OsiClpSolverInterface.

◆ fathom()

virtual int OsiSolverLink::fathom ( bool  allFixed)
virtual

Problem specific Returns -1 if node fathomed and no solution 0 if did nothing 1 if node fathomed and solution allFixed is true if all LinkedBound variables are fixed.

◆ nonlinearSLP()

double* OsiSolverLink::nonlinearSLP ( int  numberPasses,
double  deltaTolerance 
)

Solves nonlinear problem from CoinModel using SLP - may be used as crash for other algorithms when number of iterations small.

Also exits if all problematical variables are changing less than deltaTolerance Returns solution array

◆ linearizedBAB()

double OsiSolverLink::linearizedBAB ( CglStored cut)

Solve linearized quadratic objective branch and bound.

Return cutoff and OA cut

◆ heuristicSolution()

double* OsiSolverLink::heuristicSolution ( int  numberPasses,
double  deltaTolerance,
int  mode 
)

Solves nonlinear problem from CoinModel using SLP - and then tries to get heuristic solution Returns solution array mode - 0 just get continuous 1 round and try normal bab 2 use defaultBound_ to bound integer variables near current solution.

◆ doAOCuts()

int OsiSolverLink::doAOCuts ( CglTemporary cutGen,
const double *  solution,
const double *  solution2 
)

Do OA cuts.

◆ load()

void OsiSolverLink::load ( CoinModel modelObject,
bool  tightenBounds = false,
int  logLevel = 1 
)

◆ clone()

virtual OsiSolverInterface* OsiSolverLink::clone ( bool  copyData = true) const
virtual

Clone.

Reimplemented from CbcOsiSolver.

◆ operator=()

OsiSolverLink& OsiSolverLink::operator= ( const OsiSolverLink rhs)

Assignment operator.

◆ addBoundModifier()

void OsiSolverLink::addBoundModifier ( bool  upperBoundAffected,
bool  useUpperBound,
int  whichVariable,
int  whichVariableAffected,
double  multiplier = 1.0 
)

Add a bound modifier.

◆ updateCoefficients()

int OsiSolverLink::updateCoefficients ( ClpSimplex solver,
CoinPackedMatrix matrix 
)

Update coefficients - returns number updated if in updating mode.

◆ analyzeObjects()

void OsiSolverLink::analyzeObjects ( )

Analyze constraints to see which are convex (quadratic)

◆ addTighterConstraints()

void OsiSolverLink::addTighterConstraints ( )

Add reformulated bilinear constraints.

◆ bestObjectiveValue()

double OsiSolverLink::bestObjectiveValue ( ) const
inline

Objective value of best solution found internally.

Definition at line 120 of file CbcLinked.hpp.

◆ setBestObjectiveValue()

void OsiSolverLink::setBestObjectiveValue ( double  value)
inline

Set objective value of best solution found internally.

Definition at line 125 of file CbcLinked.hpp.

◆ bestSolution()

const double* OsiSolverLink::bestSolution ( ) const
inline

Best solution found internally.

Definition at line 130 of file CbcLinked.hpp.

◆ setBestSolution()

void OsiSolverLink::setBestSolution ( const double *  solution,
int  numberColumns 
)

Set best solution found internally.

◆ setSpecialOptions2()

void OsiSolverLink::setSpecialOptions2 ( int  value)
inline

Set special options.

Definition at line 137 of file CbcLinked.hpp.

◆ sayConvex()

void OsiSolverLink::sayConvex ( bool  convex)

Say convex (should work it out) - if convex false then strictly concave.

◆ specialOptions2()

int OsiSolverLink::specialOptions2 ( ) const
inline

Get special options.

Definition at line 144 of file CbcLinked.hpp.

◆ cleanMatrix()

CoinPackedMatrix* OsiSolverLink::cleanMatrix ( ) const
inline

Clean copy of matrix So we can add rows.

Definition at line 151 of file CbcLinked.hpp.

◆ originalRowCopy()

CoinPackedMatrix* OsiSolverLink::originalRowCopy ( ) const
inline

Row copy of matrix Just genuine columns and rows Linear part.

Definition at line 159 of file CbcLinked.hpp.

◆ quadraticModel()

ClpSimplex* OsiSolverLink::quadraticModel ( ) const
inline

Copy of quadratic model if one.

Definition at line 164 of file CbcLinked.hpp.

◆ quadraticRow()

CoinPackedMatrix* OsiSolverLink::quadraticRow ( int  rowNumber,
double *  linear 
) const

Gets correct form for a quadratic row - user to delete.

◆ defaultMeshSize()

double OsiSolverLink::defaultMeshSize ( ) const
inline

Default meshSize.

Definition at line 171 of file CbcLinked.hpp.

◆ setDefaultMeshSize()

void OsiSolverLink::setDefaultMeshSize ( double  value)
inline

Definition at line 175 of file CbcLinked.hpp.

◆ defaultBound()

double OsiSolverLink::defaultBound ( ) const
inline

Default maximumbound.

Definition at line 180 of file CbcLinked.hpp.

◆ setDefaultBound()

void OsiSolverLink::setDefaultBound ( double  value)
inline

Definition at line 184 of file CbcLinked.hpp.

◆ setIntegerPriority()

void OsiSolverLink::setIntegerPriority ( int  value)
inline

Set integer priority.

Definition at line 189 of file CbcLinked.hpp.

◆ integerPriority()

int OsiSolverLink::integerPriority ( ) const
inline

Get integer priority.

Definition at line 194 of file CbcLinked.hpp.

◆ objectiveVariable()

int OsiSolverLink::objectiveVariable ( ) const
inline

Objective transfer variable if one.

Definition at line 199 of file CbcLinked.hpp.

◆ setBiLinearPriority()

void OsiSolverLink::setBiLinearPriority ( int  value)
inline

Set biLinear priority.

Definition at line 204 of file CbcLinked.hpp.

◆ biLinearPriority()

int OsiSolverLink::biLinearPriority ( ) const
inline

Get biLinear priority.

Definition at line 209 of file CbcLinked.hpp.

◆ coinModel()

const CoinModel* OsiSolverLink::coinModel ( ) const
inline

Return CoinModel.

Definition at line 214 of file CbcLinked.hpp.

◆ setBiLinearPriorities()

void OsiSolverLink::setBiLinearPriorities ( int  value,
double  meshSize = 1.0 
)

Set all biLinear priorities on x-x variables.

◆ setBranchingStrategyOnVariables()

void OsiSolverLink::setBranchingStrategyOnVariables ( int  strategyValue,
int  priorityValue = -1,
int  mode = 7 
)

Set options and priority on all or some biLinear variables 1 - on I-I 2 - on I-x 4 - on x-x or combinations.

-1 means leave (for priority value and strategy value)

◆ setMeshSizes()

void OsiSolverLink::setMeshSizes ( double  value)

Set all mesh sizes on x-x variables.

◆ setFixedPriority()

void OsiSolverLink::setFixedPriority ( int  priorityValue)

Two tier integer problem where when set of variables with priority less than this are fixed the problem becomes an easier integer problem.

◆ gutsOfDestructor()

void OsiSolverLink::gutsOfDestructor ( bool  justNullify = false)
protected

Do real work of initialize.

Do real work of delete

◆ gutsOfCopy()

void OsiSolverLink::gutsOfCopy ( const OsiSolverLink rhs)
protected

Do real work of copy.

Member Data Documentation

◆ matrix_

CoinPackedMatrix* OsiSolverLink::matrix_
protected

Clean copy of matrix Marked coefficients will be multiplied by L or U.

Definition at line 255 of file CbcLinked.hpp.

◆ originalRowCopy_

CoinPackedMatrix* OsiSolverLink::originalRowCopy_
protected

Row copy of matrix Just genuine columns and rows.

Definition at line 259 of file CbcLinked.hpp.

◆ quadraticModel_

ClpSimplex* OsiSolverLink::quadraticModel_
protected

Copy of quadratic model if one.

Definition at line 261 of file CbcLinked.hpp.

◆ numberNonLinearRows_

int OsiSolverLink::numberNonLinearRows_
protected

Number of rows with nonLinearities.

Definition at line 263 of file CbcLinked.hpp.

◆ startNonLinear_

int* OsiSolverLink::startNonLinear_
protected

Starts of lists.

Definition at line 265 of file CbcLinked.hpp.

◆ rowNonLinear_

int* OsiSolverLink::rowNonLinear_
protected

Row number for a list.

Definition at line 267 of file CbcLinked.hpp.

◆ convex_

int* OsiSolverLink::convex_
protected

Indicator whether is convex, concave or neither -1 concave, 0 neither, +1 convex.

Definition at line 271 of file CbcLinked.hpp.

◆ whichNonLinear_

int* OsiSolverLink::whichNonLinear_
protected

Indices in a list/row.

Definition at line 273 of file CbcLinked.hpp.

◆ coinModel_

CoinModel OsiSolverLink::coinModel_
protected

Model in CoinModel format.

Definition at line 275 of file CbcLinked.hpp.

◆ numberVariables_

int OsiSolverLink::numberVariables_
protected

Number of variables in tightening phase.

Definition at line 277 of file CbcLinked.hpp.

◆ info_

OsiLinkedBound* OsiSolverLink::info_
protected

Information.

Definition at line 279 of file CbcLinked.hpp.

◆ specialOptions2_

int OsiSolverLink::specialOptions2_
protected

0 bit (1) - call fathom (may do mini B&B) 1 bit (2) - quadratic only in objective (add OA cuts) 2 bit (4) - convex 3 bit (8) - try adding OA cuts 4 bit (16) - add linearized constraints

Definition at line 287 of file CbcLinked.hpp.

◆ objectiveRow_

int OsiSolverLink::objectiveRow_
protected

Objective transfer row if one.

Definition at line 289 of file CbcLinked.hpp.

◆ objectiveVariable_

int OsiSolverLink::objectiveVariable_
protected

Objective transfer variable if one.

Definition at line 291 of file CbcLinked.hpp.

◆ bestObjectiveValue_

double OsiSolverLink::bestObjectiveValue_
protected

Objective value of best solution found internally.

Definition at line 293 of file CbcLinked.hpp.

◆ defaultMeshSize_

double OsiSolverLink::defaultMeshSize_
protected

Default mesh.

Definition at line 295 of file CbcLinked.hpp.

◆ defaultBound_

double OsiSolverLink::defaultBound_
protected

Default maximum bound.

Definition at line 297 of file CbcLinked.hpp.

◆ bestSolution_

double* OsiSolverLink::bestSolution_
protected

Best solution found internally.

Definition at line 299 of file CbcLinked.hpp.

◆ integerPriority_

int OsiSolverLink::integerPriority_
protected

Priority for integers.

Definition at line 301 of file CbcLinked.hpp.

◆ biLinearPriority_

int OsiSolverLink::biLinearPriority_
protected

Priority for bilinear.

Definition at line 303 of file CbcLinked.hpp.

◆ numberFix_

int OsiSolverLink::numberFix_
protected

Number of variables which when fixed help.

Definition at line 305 of file CbcLinked.hpp.

◆ fixVariables_

int* OsiSolverLink::fixVariables_
protected

list of fixed variables

Definition at line 307 of file CbcLinked.hpp.


The documentation for this class was generated from the following file: