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Cbc
2.10.5
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Cbc
2.10.5
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This is to allow the user to replace initialSolve and resolve This version changes coefficients. More...
#include <CbcLinked.hpp>
Inheritance diagram for OsiSolverLink: Collaboration 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 OsiSolverInterface * | clone (bool copyData=true) const |
| Clone. More... | |
| OsiSolverLink (const OsiSolverLink &) | |
| Copy constructor. More... | |
| OsiSolverLink & | operator= (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... | |
| CoinPackedMatrix * | cleanMatrix () const |
| Clean copy of matrix So we can add rows. More... | |
| CoinPackedMatrix * | originalRowCopy () const |
| Row copy of matrix Just genuine columns and rows Linear part. More... | |
| ClpSimplex * | quadraticModel () const |
| Copy of quadratic model if one. More... | |
| CoinPackedMatrix * | quadraticRow (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 CoinModel * | coinModel () 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... | |
| CbcOsiSolver & | operator= (const CbcOsiSolver &rhs) |
| Assignment operator. More... | |
| virtual | ~CbcOsiSolver () |
| Destructor. More... | |
| void | setCbcModel (CbcModel *model) |
| Set Cbc Model. More... | |
| CbcModel * | cbcModel () const |
| Return Cbc Model. More... | |
| Public Member Functions inherited from OsiClpSolverInterface | |
| virtual void | setObjSense (double s) |
| Set objective function sense (1 for min (default), -1 for max,) More... | |
| virtual void | setColSolution (const double *colsol) |
| Set the primal solution column values. More... | |
| virtual void | setRowPrice (const double *rowprice) |
| Set dual solution vector. More... | |
| virtual void | resolveGub (int needed) |
| Resolve an LP relaxation after problem modification (try GUB) More... | |
| virtual void | branchAndBound () |
| Invoke solver's built-in enumeration algorithm. More... | |
| void | crossover (int options, int basis) |
| Solve when primal column and dual row solutions are near-optimal options - 0 no presolve (use primal and dual) 1 presolve (just use primal) 2 no presolve (just use primal) basis - 0 use all slack basis 1 try and put some in basis. More... | |
| virtual int | canDoSimplexInterface () const |
| Simplex API capability. More... | |
| virtual void | enableFactorization () const |
| Enables simplex mode 1 (tableau access) More... | |
| virtual void | disableFactorization () const |
| Undo any setting changes made by enableFactorization. More... | |
| virtual bool | basisIsAvailable () const |
| Returns true if a basis is available AND problem is optimal. More... | |
| virtual void | getBasisStatus (int *cstat, int *rstat) const |
| The following two methods may be replaced by the methods of OsiSolverInterface using OsiWarmStartBasis if: More... | |
| virtual int | setBasisStatus (const int *cstat, const int *rstat) |
| Set the status of structural/artificial variables and factorize, update solution etc. More... | |
| virtual void | getReducedGradient (double *columnReducedCosts, double *duals, const double *c) const |
| Get the reduced gradient for the cost vector c. More... | |
| virtual void | getBInvARow (int row, double *z, double *slack=NULL) const |
| Get a row of the tableau (slack part in slack if not NULL) More... | |
| virtual void | getBInvARow (int row, CoinIndexedVector *z, CoinIndexedVector *slack=NULL, bool keepScaled=false) const |
| Get a row of the tableau (slack part in slack if not NULL) If keepScaled is true then scale factors not applied after so user has to use coding similar to what is in this method. More... | |
| virtual void | getBInvRow (int row, double *z) const |
| Get a row of the basis inverse. More... | |
| virtual void | getBInvACol (int col, double *vec) const |
| Get a column of the tableau. More... | |
| virtual void | getBInvACol (int col, CoinIndexedVector *vec) const |
| Get a column of the tableau. More... | |
| virtual void | getBInvACol (CoinIndexedVector *vec) const |
| Update (i.e. More... | |
| virtual void | getBInvCol (int col, double *vec) const |
| Get a column of the basis inverse. More... | |
| virtual void | getBasics (int *index) const |
| Get basic indices (order of indices corresponds to the order of elements in a vector retured by getBInvACol() and getBInvCol()). More... | |
| virtual void | enableSimplexInterface (bool doingPrimal) |
| Enables simplex mode 2 (individual pivot control) More... | |
| virtual void | disableSimplexInterface () |
| Undo setting changes made by enableSimplexInterface. More... | |
| virtual int | pivot (int colIn, int colOut, int outStatus) |
| Perform a pivot by substituting a colIn for colOut in the basis. More... | |
| virtual int | primalPivotResult (int colIn, int sign, int &colOut, int &outStatus, double &t, CoinPackedVector *dx) |
| Obtain a result of the primal pivot Outputs: colOut – leaving column, outStatus – its status, t – step size, and, if dx!=NULL, *dx – primal ray direction. More... | |
| virtual int | dualPivotResult (int &colIn, int &sign, int colOut, int outStatus, double &t, CoinPackedVector *dx) |
| Obtain a result of the dual pivot (similar to the previous method) Differences: entering variable and a sign of its change are now the outputs, the leaving variable and its statuts – the inputs If dx!=NULL, then *dx contains dual ray Return code: same. More... | |
| bool | setIntParam (OsiIntParam key, int value) |
| Set an integer parameter. More... | |
| bool | setDblParam (OsiDblParam key, double value) |
| Set a double parameter. More... | |
| bool | setStrParam (OsiStrParam key, const std::string &value) |
| Set a string parameter. More... | |
| bool | getIntParam (OsiIntParam key, int &value) const |
| Get an integer parameter. More... | |
| bool | getDblParam (OsiDblParam key, double &value) const |
| Get a double parameter. More... | |
| bool | getStrParam (OsiStrParam key, std::string &value) const |
| Get a string parameter. More... | |
| virtual bool | setHintParam (OsiHintParam key, bool yesNo=true, OsiHintStrength strength=OsiHintTry, void *otherInformation=NULL) |
| Set a hint parameter. More... | |
| virtual bool | isAbandoned () const |
| Are there a numerical difficulties? More... | |
| virtual bool | isProvenOptimal () const |
| Is optimality proven? More... | |
| virtual bool | isProvenPrimalInfeasible () const |
| Is primal infeasiblity proven? More... | |
| virtual bool | isProvenDualInfeasible () const |
| Is dual infeasiblity proven? More... | |
| virtual bool | isPrimalObjectiveLimitReached () const |
| Is the given primal objective limit reached? More... | |
| virtual bool | isDualObjectiveLimitReached () const |
| Is the given dual objective limit reached? More... | |
| virtual bool | isIterationLimitReached () const |
| Iteration limit reached? More... | |
| virtual CoinWarmStart * | getEmptyWarmStart () const |
| Get an empty warm start object. More... | |
| virtual CoinWarmStart * | getWarmStart () const |
| Get warmstarting information. More... | |
| CoinWarmStartBasis * | getPointerToWarmStart () |
| Get warmstarting information. More... | |
| const CoinWarmStartBasis * | getConstPointerToWarmStart () const |
| Get warmstarting information. More... | |
| virtual bool | setWarmStart (const CoinWarmStart *warmstart) |
| Set warmstarting information. More... | |
| virtual CoinWarmStart * | getPointerToWarmStart (bool &mustDelete) |
| Get warm start information. More... | |
| void | setColumnStatus (int iColumn, ClpSimplex::Status status) |
| Set column status in ClpSimplex and warmStart. More... | |
| virtual void | markHotStart () |
| Create a hotstart point of the optimization process. More... | |
| virtual void | solveFromHotStart () |
| Optimize starting from the hotstart. More... | |
| virtual void | unmarkHotStart () |
| Delete the snapshot. More... | |
| int | startFastDual (int options) |
| Start faster dual - returns negative if problems 1 if infeasible, Options to pass to solver 1 - create external reduced costs for columns 2 - create external reduced costs for rows 4 - create external row activity (columns always done) Above only done if feasible When set resolve does less work. More... | |
| void | stopFastDual () |
| Stop fast dual. More... | |
| void | setStuff (double tolerance, double increment) |
| Sets integer tolerance and increment. More... | |
| OsiRowCut * | smallModelCut (const double *originalLower, const double *originalUpper, int numberRowsAtContinuous, const int *whichGenerator, int typeCut=0) |
| Return a conflict analysis cut from small model. More... | |
| OsiRowCut * | modelCut (const double *originalLower, const double *originalUpper, int numberRowsAtContinuous, const int *whichGenerator, int typeCut=0) |
| Return a conflict analysis cut from model If type is 0 then genuine cut, if 1 then only partially processed. More... | |
| virtual int | getNumCols () const |
| Get number of columns. More... | |
| virtual int | getNumRows () const |
| Get number of rows. More... | |
| virtual CoinBigIndex | getNumElements () const |
| Get number of nonzero elements. More... | |
| virtual std::string | getRowName (int rowIndex, unsigned maxLen=static_cast< unsigned >(std::string::npos)) const |
| Return name of row if one exists or Rnnnnnnn maxLen is currently ignored and only there to match the signature from the base class! More... | |
| virtual std::string | getColName (int colIndex, unsigned maxLen=static_cast< unsigned >(std::string::npos)) const |
| Return name of column if one exists or Cnnnnnnn maxLen is currently ignored and only there to match the signature from the base class! More... | |
| virtual const double * | getColLower () const |
| Get pointer to array[getNumCols()] of column lower bounds. More... | |
| virtual const double * | getColUpper () const |
| Get pointer to array[getNumCols()] of column upper bounds. More... | |
| virtual const char * | getRowSense () const |
| Get pointer to array[getNumRows()] of row constraint senses. More... | |
| virtual const double * | getRightHandSide () const |
| Get pointer to array[getNumRows()] of rows right-hand sides. More... | |
| virtual const double * | getRowRange () const |
| Get pointer to array[getNumRows()] of row ranges. More... | |
| virtual const double * | getRowLower () const |
| Get pointer to array[getNumRows()] of row lower bounds. More... | |
| virtual const double * | getRowUpper () const |
| Get pointer to array[getNumRows()] of row upper bounds. More... | |
| virtual const double * | getObjCoefficients () const |
| Get pointer to array[getNumCols()] of objective function coefficients. More... | |
| virtual double | getObjSense () const |
| Get objective function sense (1 for min (default), -1 for max) More... | |
| virtual bool | isContinuous (int colNumber) const |
| Return true if column is continuous. More... | |
| virtual bool | isBinary (int colIndex) const |
| Return true if variable is binary. More... | |
| virtual bool | isInteger (int colIndex) const |
| Return true if column is integer. More... | |
| virtual bool | isIntegerNonBinary (int colIndex) const |
| Return true if variable is general integer. More... | |
| virtual bool | isFreeBinary (int colIndex) const |
| Return true if variable is binary and not fixed at either bound. More... | |
| virtual const char * | getColType (bool refresh=false) const |
| Return array of column length 0 - continuous 1 - binary (may get fixed later) 2 - general integer (may get fixed later) More... | |
| bool | isOptionalInteger (int colIndex) const |
| Return true if column is integer but does not have to be declared as such. More... | |
| void | setOptionalInteger (int index) |
| Set the index-th variable to be an optional integer variable. More... | |
| bool | isHeuristicInteger (int colIndex) const |
| Return true only if integer and not optional. More... | |
| int | integerType (int colIndex) const |
| Return integer type (0,1,2=optional,3=sc,4=scint) More... | |
| void | setIntegerType (int colIndex, int value) |
| Set integer type (0,1,2=optional,3=sc,4=scint) More... | |
| virtual const CoinPackedMatrix * | getMatrixByRow () const |
| Get pointer to row-wise copy of matrix. More... | |
| virtual const CoinPackedMatrix * | getMatrixByCol () const |
| Get pointer to column-wise copy of matrix. More... | |
| virtual CoinPackedMatrix * | getMutableMatrixByCol () const |
| Get pointer to mutable column-wise copy of matrix. More... | |
| virtual double | getInfinity () const |
| Get solver's value for infinity. More... | |
| virtual const double * | getColSolution () const |
| Get pointer to array[getNumCols()] of primal solution vector. More... | |
| virtual const double * | getRowPrice () const |
| Get pointer to array[getNumRows()] of dual prices. More... | |
| virtual const double * | getReducedCost () const |
| Get a pointer to array[getNumCols()] of reduced costs. More... | |
| virtual const double * | getRowActivity () const |
| Get pointer to array[getNumRows()] of row activity levels (constraint matrix times the solution vector. More... | |
| virtual double | getObjValue () const |
| Get objective function value. More... | |
| virtual int | getIterationCount () const |
| Get how many iterations it took to solve the problem (whatever "iteration" mean to the solver. More... | |
| virtual std::vector< double * > | getDualRays (int maxNumRays, bool fullRay=false) const |
| Get as many dual rays as the solver can provide. More... | |
| virtual std::vector< double * > | getPrimalRays (int maxNumRays) const |
| Get as many primal rays as the solver can provide. More... | |
| virtual void | setObjCoeff (int elementIndex, double elementValue) |
| Set an objective function coefficient. More... | |
| virtual void | setColLower (int elementIndex, double elementValue) |
| Set a single column lower bound Use -DBL_MAX for -infinity. More... | |
| virtual void | setColUpper (int elementIndex, double elementValue) |
| Set a single column upper bound Use DBL_MAX for infinity. More... | |
| virtual void | setColBounds (int elementIndex, double lower, double upper) |
| Set a single column lower and upper bound. More... | |
| virtual void | setColSetBounds (const int *indexFirst, const int *indexLast, const double *boundList) |
| Set the bounds on a number of columns simultaneously The default implementation just invokes setColLower() and setColUpper() over and over again. More... | |
| virtual void | setRowLower (int elementIndex, double elementValue) |
| Set a single row lower bound Use -DBL_MAX for -infinity. More... | |
| virtual void | setRowUpper (int elementIndex, double elementValue) |
| Set a single row upper bound Use DBL_MAX for infinity. More... | |
| virtual void | setRowBounds (int elementIndex, double lower, double upper) |
| Set a single row lower and upper bound. More... | |
| virtual void | setRowType (int index, char sense, double rightHandSide, double range) |
| Set the type of a single row More... | |
| virtual void | setRowSetBounds (const int *indexFirst, const int *indexLast, const double *boundList) |
| Set the bounds on a number of rows simultaneously The default implementation just invokes setRowLower() and setRowUpper() over and over again. More... | |
| virtual void | setRowSetTypes (const int *indexFirst, const int *indexLast, const char *senseList, const double *rhsList, const double *rangeList) |
| Set the type of a number of rows simultaneously The default implementation just invokes setRowType() over and over again. More... | |
| virtual void | setObjective (const double *array) |
| Set the objective coefficients for all columns array [getNumCols()] is an array of values for the objective. More... | |
| virtual void | setColLower (const double *array) |
| Set the lower bounds for all columns array [getNumCols()] is an array of values for the objective. More... | |
| virtual void | setColUpper (const double *array) |
| Set the upper bounds for all columns array [getNumCols()] is an array of values for the objective. More... | |
| virtual void | setRowName (int rowIndex, std::string name) |
| Set name of row. More... | |
| virtual void | setColName (int colIndex, std::string name) |
| Set name of column. More... | |
| virtual void | setContinuous (int index) |
| Set the index-th variable to be a continuous variable. More... | |
| virtual void | setInteger (int index) |
| Set the index-th variable to be an integer variable. More... | |
| virtual void | setContinuous (const int *indices, int len) |
| Set the variables listed in indices (which is of length len) to be continuous variables. More... | |
| virtual void | setInteger (const int *indices, int len) |
| Set the variables listed in indices (which is of length len) to be integer variables. More... | |
| int | numberSOS () const |
| Number of SOS sets. More... | |
| const CoinSet * | setInfo () const |
| SOS set info. More... | |
| void | replaceSetInfo (int numberSOS, CoinSet *setInfo) |
| Replace setInfo (takes over ownership) More... | |
| virtual int | findIntegersAndSOS (bool justCount) |
| Identify integer variables and SOS and create corresponding objects. More... | |
| virtual void | addCol (const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj) |
| Add a column (primal variable) to the problem. More... | |
| virtual void | addCol (const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj, std::string name) |
| Add a named column (primal variable) to the problem. More... | |
| virtual void | addCol (int numberElements, const int *rows, const double *elements, const double collb, const double colub, const double obj) |
| Add a column (primal variable) to the problem. More... | |
| virtual void | addCol (int numberElements, const int *rows, const double *elements, const double collb, const double colub, const double obj, std::string name) |
| Add a named column (primal variable) to the problem. More... | |
| virtual void | addCols (const int numcols, const CoinPackedVectorBase *const *cols, const double *collb, const double *colub, const double *obj) |
| Add a set of columns (primal variables) to the problem. More... | |
| virtual void | addCols (const int numcols, const CoinBigIndex *columnStarts, const int *rows, const double *elements, const double *collb, const double *colub, const double *obj) |
| Add a set of columns (primal variables) to the problem. More... | |
| virtual void | deleteCols (const int num, const int *colIndices) |
| Remove a set of columns (primal variables) from the problem. More... | |
| virtual void | addRow (const CoinPackedVectorBase &vec, const double rowlb, const double rowub) |
| Add a row (constraint) to the problem. More... | |
| virtual void | addRow (const CoinPackedVectorBase &vec, const double rowlb, const double rowub, std::string name) |
| Add a named row (constraint) to the problem. More... | |
| virtual void | addRow (const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng) |
| Add a row (constraint) to the problem. More... | |
| virtual void | addRow (int numberElements, const int *columns, const double *element, const double rowlb, const double rowub) |
| Add a row (constraint) to the problem. More... | |
| virtual void | addRow (const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng, std::string name) |
| Add a named row (constraint) to the problem. More... | |
| virtual void | addRows (const int numrows, const CoinPackedVectorBase *const *rows, const double *rowlb, const double *rowub) |
| Add a set of rows (constraints) to the problem. More... | |
| virtual void | addRows (const int numrows, const CoinPackedVectorBase *const *rows, const char *rowsen, const double *rowrhs, const double *rowrng) |
| Add a set of rows (constraints) to the problem. More... | |
| virtual void | addRows (const int numrows, const CoinBigIndex *rowStarts, const int *columns, const double *element, const double *rowlb, const double *rowub) |
| Add a set of rows (constraints) to the problem. More... | |
| void | modifyCoefficient (int row, int column, double newElement, bool keepZero=false) |
| virtual void | deleteRows (const int num, const int *rowIndices) |
| Delete a set of rows (constraints) from the problem. More... | |
| virtual void | saveBaseModel () |
| If solver wants it can save a copy of "base" (continuous) model here. More... | |
| virtual void | restoreBaseModel (int numberRows) |
| Strip off rows to get to this number of rows. More... | |
| virtual void | applyRowCuts (int numberCuts, const OsiRowCut *cuts) |
| Apply a collection of row cuts which are all effective. More... | |
| virtual void | applyRowCuts (int numberCuts, const OsiRowCut **cuts) |
| Apply a collection of row cuts which are all effective. More... | |
| virtual ApplyCutsReturnCode | applyCuts (const OsiCuts &cs, double effectivenessLb=0.0) |
| Apply a collection of cuts. More... | |
| virtual void | loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub) |
| Load in an problem by copying the arguments (the constraints on the rows are given by lower and upper bounds). More... | |
| virtual void | assignProblem (CoinPackedMatrix *&matrix, double *&collb, double *&colub, double *&obj, double *&rowlb, double *&rowub) |
| Load in an problem by assuming ownership of the arguments (the constraints on the rows are given by lower and upper bounds). More... | |
| virtual void | loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const char *rowsen, const double *rowrhs, const double *rowrng) |
| Load in an problem by copying the arguments (the constraints on the rows are given by sense/rhs/range triplets). More... | |
| virtual void | assignProblem (CoinPackedMatrix *&matrix, double *&collb, double *&colub, double *&obj, char *&rowsen, double *&rowrhs, double *&rowrng) |
| Load in an problem by assuming ownership of the arguments (the constraints on the rows are given by sense/rhs/range triplets). More... | |
| virtual void | loadProblem (const ClpMatrixBase &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub) |
| Just like the other loadProblem() methods except that the matrix is given as a ClpMatrixBase. More... | |
| 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) |
| Just like the other loadProblem() methods except that the matrix is given in a standard column major ordered format (without gaps). More... | |
| 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) |
| Just like the other loadProblem() methods except that the matrix is given in a standard column major ordered format (without gaps). More... | |
| virtual int | loadFromCoinModel (CoinModel &modelObject, bool keepSolution=false) |
| This loads a model from a coinModel object - returns number of errors. More... | |
| virtual int | readMps (const char *filename, const char *extension="mps") |
| Read an mps file from the given filename (defaults to Osi reader) - returns number of errors (see OsiMpsReader class) More... | |
| int | readMps (const char *filename, bool keepNames, bool allowErrors) |
| Read an mps file from the given filename returns number of errors (see OsiMpsReader class) More... | |
| virtual int | readMps (const char *filename, const char *extension, int &numberSets, CoinSet **&sets) |
| Read an mps file. More... | |
| virtual void | writeMps (const char *filename, const char *extension="mps", double objSense=0.0) const |
| Write the problem into an mps file of the given filename. More... | |
| virtual int | writeMpsNative (const char *filename, const char **rowNames, const char **columnNames, int formatType=0, int numberAcross=2, double objSense=0.0) const |
| Write the problem into an mps file of the given filename, names may be null. More... | |
| virtual int | readLp (const char *filename, const double epsilon=1e-5) |
| Read file in LP format (with names) More... | |
| 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 |
| Write the problem into an Lp file of the given filename. More... | |
| virtual void | writeLp (FILE *fp, double epsilon=1e-5, int numberAcross=10, int decimals=5, double objSense=0.0, bool useRowNames=true) const |
| Write the problem into the file pointed to by the parameter fp. More... | |
| virtual void | replaceMatrixOptional (const CoinPackedMatrix &matrix) |
| I (JJF) am getting annoyed because I can't just replace a matrix. More... | |
| virtual void | replaceMatrix (const CoinPackedMatrix &matrix) |
| And if it does matter (not used at present) More... | |
| virtual void | passInMessageHandler (CoinMessageHandler *handler) |
| Pass in a message handler. More... | |
| void | newLanguage (CoinMessages::Language language) |
| Set language. More... | |
| void | setLanguage (CoinMessages::Language language) |
| void | setLogLevel (int value) |
| Set log level (will also set underlying solver's log level) More... | |
| void | generateCpp (FILE *fp) |
| Create C++ lines to get to current state. More... | |
| ClpSimplex * | getModelPtr () const |
| Get pointer to Clp model. More... | |
| ClpSimplex * | swapModelPtr (ClpSimplex *newModel) |
| Set pointer to Clp model and return old. More... | |
| unsigned int | specialOptions () const |
| Get special options. More... | |
| void | setSpecialOptions (unsigned int value) |
| int | lastAlgorithm () const |
| Last algorithm used , 1 = primal, 2 = dual other unknown. More... | |
| void | setLastAlgorithm (int value) |
| Set last algorithm used , 1 = primal, 2 = dual other unknown. More... | |
| int | cleanupScaling () const |
| Get scaling action option. More... | |
| void | setCleanupScaling (int value) |
| Set Scaling option When scaling is on it is possible that the scaled problem is feasible but the unscaled is not. More... | |
| double | smallestElementInCut () const |
| Get smallest allowed element in cut. More... | |
| void | setSmallestElementInCut (double value) |
| Set smallest allowed element in cut. More... | |
| double | smallestChangeInCut () const |
| Get smallest change in cut. More... | |
| void | setSmallestChangeInCut (double value) |
| Set smallest change in cut. More... | |
| void | setSolveOptions (const ClpSolve &options) |
| Pass in initial solve options. More... | |
| virtual int | tightenBounds (int lightweight=0) |
| Tighten bounds - lightweight or very lightweight 0 - normal, 1 lightweight but just integers, 2 lightweight and all. More... | |
| int | infeasibleOtherWay (char *whichWay) |
| See if any integer variables make infeasible other way. More... | |
| virtual CoinBigIndex | getSizeL () const |
| Return number of entries in L part of current factorization. More... | |
| virtual CoinBigIndex | getSizeU () const |
| Return number of entries in U part of current factorization. More... | |
| const OsiClpDisasterHandler * | disasterHandler () const |
| Get disaster handler. More... | |
| void | passInDisasterHandler (OsiClpDisasterHandler *handler) |
| Pass in disaster handler. More... | |
| ClpLinearObjective * | fakeObjective () const |
| Get fake objective. More... | |
| void | setFakeObjective (ClpLinearObjective *fakeObjective) |
| Set fake objective (and take ownership) More... | |
| void | setFakeObjective (double *fakeObjective) |
| Set fake objective. More... | |
| void | setupForRepeatedUse (int senseOfAdventure=0, int printOut=0) |
| Set up solver for repeated use by Osi interface. More... | |
| virtual void | synchronizeModel () |
| Synchronize model (really if no cuts in tree) More... | |
| void | setSpecialOptionsMutable (unsigned int value) const |
| Set special options in underlying clp solver. More... | |
| OsiClpSolverInterface () | |
| Default Constructor. More... | |
| OsiClpSolverInterface (const OsiClpSolverInterface &) | |
| Copy constructor. More... | |
| OsiClpSolverInterface (ClpSimplex *rhs, bool reallyOwn=false) | |
| Borrow constructor - only delete one copy. More... | |
| void | releaseClp () |
| Releases so won't error. More... | |
| OsiClpSolverInterface & | operator= (const OsiClpSolverInterface &rhs) |
| Assignment operator. More... | |
| virtual | ~OsiClpSolverInterface () |
| Destructor. More... | |
| virtual void | reset () |
| Resets as if default constructor. More... | |
| void | setBasis (const CoinWarmStartBasis &basis) |
| Sets up working basis as a copy of input and puts in as basis. More... | |
| void | setBasis () |
| Just puts current basis_ into ClpSimplex model. More... | |
| CoinWarmStartDiff * | getBasisDiff (const unsigned char *statusArray) const |
| Warm start difference from basis_ to statusArray. More... | |
| CoinWarmStartBasis * | getBasis (const unsigned char *statusArray) const |
| Warm start from statusArray. More... | |
| void | deleteScaleFactors () |
| Delete all scale factor stuff and reset option. More... | |
| const double * | upRange () const |
| If doing fast hot start then ranges are computed. More... | |
| const double * | downRange () const |
| void | passInRanges (int *array) |
| Pass in range array. More... | |
| void | setSOSData (int numberSOS, const char *type, const int *start, const int *indices, const double *weights=NULL) |
| Pass in sos stuff from AMPl. More... | |
| void | computeLargestAway () |
| Compute largest amount any at continuous away from bound. More... | |
| double | largestAway () const |
| Get largest amount continuous away from bound. More... | |
| void | setLargestAway (double value) |
| Set largest amount continuous away from bound. More... | |
| void | lexSolve () |
| Sort of lexicographic resolve. More... | |
| ClpSimplex * | getContinuousModel () const |
| Get continuous model. More... | |
| void | setContinuousModel (ClpSimplex *model) |
| Set continuous model. More... | |
| Public Member Functions inherited from OsiSolverInterface | |
| virtual bool | getHintParam (OsiHintParam key, bool &yesNo, OsiHintStrength &strength, void *&otherInformation) const |
| Get a hint parameter (all information) More... | |
| virtual bool | getHintParam (OsiHintParam key, bool &yesNo, OsiHintStrength &strength) const |
| Get a hint parameter (sense and strength only) More... | |
| virtual bool | getHintParam (OsiHintParam key, bool &yesNo) const |
| Get a hint parameter (sense only) More... | |
| void | copyParameters (OsiSolverInterface &rhs) |
| Copy all parameters in this section from one solver to another. More... | |
| double | getIntegerTolerance () const |
| Return the integrality tolerance of the underlying solver. More... | |
| virtual int | getNumIntegers () const |
| Get the number of integer variables. More... | |
| const char * | columnType (bool refresh=false) const |
| Return an array[getNumCols()] of column types. More... | |
| void | setColumnType (int iColumn, char type) |
| Set column type. More... | |
| virtual CoinPackedMatrix * | getMutableMatrixByRow () const |
| Get a pointer to a mutable row-wise copy of the matrix. More... | |
| virtual const double * | getStrictColSolution () |
| Get a pointer to an array[getNumCols()] of primal variable values guaranteed to be between the column lower and upper bounds. More... | |
| virtual OsiVectorInt | getFractionalIndices (const double etol=1.e-05) const |
| Get vector of indices of primal variables which are integer variables but have fractional values in the current solution. More... | |
| virtual void | setObjCoeffSet (const int *indexFirst, const int *indexLast, const double *coeffList) |
| Set a set of objective function coefficients. More... | |
| virtual int | reducedCostFix (double gap, bool justInteger=true) |
| Fix variables at bound based on reduced cost. More... | |
| virtual std::string | dfltRowColName (char rc, int ndx, unsigned digits=7) const |
| Generate a standard name of the form Rnnnnnnn or Cnnnnnnn. More... | |
| virtual std::string | getObjName (unsigned maxLen=static_cast< unsigned >(std::string::npos)) const |
| Return the name of the objective function. More... | |
| virtual void | setObjName (std::string name) |
| Set the name of the objective function. More... | |
| virtual const OsiNameVec & | getRowNames () |
| Return a pointer to a vector of row names. More... | |
| virtual void | setRowNames (OsiNameVec &srcNames, int srcStart, int len, int tgtStart) |
| Set multiple row names. More... | |
| virtual void | deleteRowNames (int tgtStart, int len) |
| Delete len row names starting at index tgtStart. More... | |
| virtual const OsiNameVec & | getColNames () |
| Return a pointer to a vector of column names. More... | |
| virtual void | setColNames (OsiNameVec &srcNames, int srcStart, int len, int tgtStart) |
| Set multiple column names. More... | |
| virtual void | deleteColNames (int tgtStart, int len) |
| Delete len column names starting at index tgtStart. More... | |
| void | setRowColNames (const CoinMpsIO &mps) |
| Set row and column names from a CoinMpsIO object. More... | |
| void | setRowColNames (CoinModel &mod) |
| Set row and column names from a CoinModel object. More... | |
| void | setRowColNames (CoinLpIO &mod) |
| Set row and column names from a CoinLpIO object. More... | |
| void | addCols (const CoinBuild &buildObject) |
| Add columns using a CoinBuild object. More... | |
| int | addCols (CoinModel &modelObject) |
| Add columns from a model object. More... | |
| void | addRows (const CoinBuild &buildObject) |
| Add rows using a CoinBuild object. More... | |
| int | addRows (CoinModel &modelObject) |
| Add rows from a CoinModel object. More... | |
| void | deleteBranchingInfo (int numberDeleted, const int *which) |
| Deletes branching information before columns deleted. More... | |
| virtual int | readGMPL (const char *filename, const char *dataname=NULL) |
| Read a problem in GMPL format from the given filenames. More... | |
| 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 |
| Write the problem in MPS format to the specified file with more control over the output. More... | |
| 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 |
| Write the problem into an Lp file. More... | |
| 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 |
| Write the problem into the file pointed to by the parameter fp. More... | |
| int | readLp (FILE *fp, const double epsilon=1e-5) |
| Read file in LP format from the file pointed to by fp. More... | |
| int | differentModel (OsiSolverInterface &other, bool ignoreNames=true) |
| Check two models against each other. More... | |
| void | statistics (double &minimumNegative, double &maximumNegative, double &minimumPositive, double &maximumPositive, int type=3) const |
| Get some statistics about model - min/max always computed type 0->4 , larger gives more information 0 - Just set min and max values of coefficients. More... | |
| void | setApplicationData (void *appData) |
| Set application data. More... | |
| void | setAuxiliaryInfo (OsiAuxInfo *auxiliaryInfo) |
| Create a clone of an Auxiliary Information object. More... | |
| void * | getApplicationData () const |
| Get application data. More... | |
| OsiAuxInfo * | getAuxiliaryInfo () const |
| Get pointer to auxiliary info object. More... | |
| void | newLanguage (CoinMessages::Language language) |
| Set language. More... | |
| void | setLanguage (CoinMessages::Language language) |
| CoinMessageHandler * | messageHandler () const |
| Return a pointer to the current message handler. More... | |
| CoinMessages | messages () |
| Return the current set of messages. More... | |
| CoinMessages * | messagesPointer () |
| Return a pointer to the current set of messages. More... | |
| bool | defaultHandler () const |
| Return true if default handler. More... | |
| void | findIntegers (bool justCount) |
| Identify integer variables and create corresponding objects. More... | |
| int | numberObjects () const |
| Get the number of objects. More... | |
| void | setNumberObjects (int number) |
| Set the number of objects. More... | |
| OsiObject ** | objects () const |
| Get the array of objects. More... | |
| const OsiObject * | object (int which) const |
| Get the specified object. More... | |
| OsiObject * | modifiableObject (int which) const |
| Get the specified object. More... | |
| void | deleteObjects () |
| Delete all object information. More... | |
| void | addObjects (int numberObjects, OsiObject **objects) |
| Add in object information. More... | |
| double | forceFeasible () |
| Use current solution to set bounds so current integer feasible solution will stay feasible. More... | |
| virtual void | activateRowCutDebugger (const char *modelName) |
| Activate the row cut debugger. More... | |
| virtual void | activateRowCutDebugger (const double *solution, bool enforceOptimality=true) |
| Activate the row cut debugger using a full solution array. More... | |
| const OsiRowCutDebugger * | getRowCutDebugger () const |
| Get the row cut debugger provided the solution known to the debugger is within the feasible region held in the solver. More... | |
| OsiRowCutDebugger * | getRowCutDebuggerAlways () const |
| Get the row cut debugger object. More... | |
| bool | optimalBasisIsAvailable () const |
| Synonym for basisIsAvailable. More... | |
| OsiSolverInterface () | |
| Default Constructor. More... | |
| OsiSolverInterface (const OsiSolverInterface &) | |
| Copy constructor. More... | |
| OsiSolverInterface & | operator= (const OsiSolverInterface &rhs) |
| Assignment operator. More... | |
| virtual | ~OsiSolverInterface () |
| Destructor. More... | |
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) |
| Apply a row cut (append to constraint matrix). More... | |
| virtual void | applyColCut (const OsiColCut &cc) |
| Apply a column cut (adjust one or more bounds). More... | |
| void | gutsOfDestructor () |
| The real work of a copy constructor (used by copy and assignment) More... | |
| void | freeCachedResults () const |
| Deletes all mutable stuff. More... | |
| void | freeCachedResults0 () const |
| Deletes all mutable stuff for row ranges etc. More... | |
| void | freeCachedResults1 () const |
| Deletes all mutable stuff for matrix etc. More... | |
| void | extractSenseRhsRange () const |
| A method that fills up the rowsense_, rhs_ and rowrange_ arrays. More... | |
| void | fillParamMaps () |
| CoinWarmStartBasis | getBasis (ClpSimplex *model) const |
| Warm start. More... | |
| void | setBasis (const CoinWarmStartBasis &basis, ClpSimplex *model) |
| Sets up working basis as a copy of input. More... | |
| void | crunch () |
| Crunch down problem a bit. More... | |
| void | redoScaleFactors (int numberRows, const CoinBigIndex *starts, const int *indices, const double *elements) |
| Extend scale factors. More... | |
| Protected Member Functions inherited from OsiSolverInterface | |
| void | convertBoundToSense (const double lower, const double upper, char &sense, double &right, double &range) const |
| A quick inlined function to convert from the lb/ub style of constraint definition to the sense/rhs/range style. More... | |
| void | convertSenseToBound (const char sense, const double right, const double range, double &lower, double &upper) const |
| A quick inlined function to convert from the sense/rhs/range style of constraint definition to the lb/ub style. More... | |
| template<class T > | |
| T | forceIntoRange (const T value, const T lower, const T upper) const |
| A quick inlined function to force a value to be between a minimum and a maximum value. More... | |
| void | setInitialData () |
| Set OsiSolverInterface object state for default constructor. More... | |
Protected Attributes | |
Private member data | |
| CoinPackedMatrix * | matrix_ |
| Clean copy of matrix Marked coefficients will be multiplied by L or U. More... | |
| CoinPackedMatrix * | originalRowCopy_ |
| Row copy of matrix Just genuine columns and rows. More... | |
| ClpSimplex * | quadraticModel_ |
| 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... | |
| OsiLinkedBound * | info_ |
| 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 | |
| CbcModel * | cbcModel_ |
| Pointer back to CbcModel. More... | |
| Protected Attributes inherited from OsiClpSolverInterface | |
| ClpSimplex * | modelPtr_ |
| Clp model represented by this class instance. More... | |
| char * | rowsense_ |
| Pointer to dense vector of row sense indicators. More... | |
| double * | rhs_ |
| Pointer to dense vector of row right-hand side values. More... | |
| double * | rowrange_ |
| Pointer to dense vector of slack upper bounds for range constraints (undefined for non-range rows) More... | |
| CoinWarmStartBasis * | ws_ |
| A pointer to the warmstart information to be used in the hotstarts. More... | |
| double * | rowActivity_ |
| also save row and column information for hot starts only used in hotstarts so can be casual More... | |
| double * | columnActivity_ |
| ClpNodeStuff | stuff_ |
| Stuff for fast dual. More... | |
| int | numberSOS_ |
| Number of SOS sets. More... | |
| CoinSet * | setInfo_ |
| SOS set info. More... | |
| ClpSimplex * | smallModel_ |
| Alternate model (hot starts) - but also could be permanent and used for crunch. More... | |
| ClpFactorization * | factorization_ |
| factorization for hot starts More... | |
| double | smallestElementInCut_ |
| Smallest allowed element in cut. More... | |
| double | smallestChangeInCut_ |
| Smallest change in cut. More... | |
| double | largestAway_ |
| Largest amount continuous away from bound. More... | |
| char * | spareArrays_ |
| Arrays for hot starts. More... | |
| CoinWarmStartBasis | basis_ |
| Warmstart information to be used in resolves. More... | |
| int | itlimOrig_ |
| The original iteration limit before hotstarts started. More... | |
| int | lastAlgorithm_ |
| Last algorithm used. More... | |
| bool | notOwned_ |
| To say if destructor should delete underlying model. More... | |
| CoinPackedMatrix * | matrixByRow_ |
| Pointer to row-wise copy of problem matrix coefficients. More... | |
| CoinPackedMatrix * | matrixByRowAtContinuous_ |
| Pointer to row-wise copy of continuous problem matrix coefficients. More... | |
| char * | integerInformation_ |
| Pointer to integer information. More... | |
| int * | whichRange_ |
| Pointer to variables for which we want range information The number is in [0] memory is not owned by OsiClp. More... | |
| bool | fakeMinInSimplex_ |
| Faking min to get proper dual solution signs in simplex API. More... | |
| double * | linearObjective_ |
| Linear objective. More... | |
| ClpDataSave | saveData_ |
| To save data in OsiSimplex stuff. More... | |
| ClpSolve | solveOptions_ |
| Options for initialSolve. More... | |
| int | cleanupScaling_ |
| Scaling option When scaling is on it is possible that the scaled problem is feasible but the unscaled is not. More... | |
| unsigned int | specialOptions_ |
| Special options 0x80000000 off 0 simple stuff for branch and bound 1 try and keep work regions as much as possible 2 do not use any perturbation 4 allow exit before re-factorization 8 try and re-use factorization if no cuts 16 use standard strong branching rather than clp's 32 Just go to first factorization in fast dual 64 try and tighten bounds in crunch 128 Model will only change in column bounds 256 Clean up model before hot start 512 Give user direct access to Clp regions in getBInvARow etc (i.e., do not unscale, and do not return result in getBInv parameters; you have to know where to look for the answer) 1024 Don't "borrow" model in initialSolve 2048 Don't crunch 4096 quick check for optimality Bits above 8192 give where called from in Cbc At present 0 is normal, 1 doing fast hotstarts, 2 is can do quick check 65536 Keep simple i.e. More... | |
| ClpSimplex * | baseModel_ |
| Copy of model when option 131072 set. More... | |
| int | lastNumberRows_ |
| Number of rows when last "scaled". More... | |
| ClpSimplex * | continuousModel_ |
| Continuous model. More... | |
| OsiClpDisasterHandler * | disasterHandler_ |
| Possible disaster handler. More... | |
| ClpLinearObjective * | fakeObjective_ |
| Fake objective. More... | |
| CoinDoubleArrayWithLength | rowScale_ |
| Row scale factors (has inverse at end) More... | |
| CoinDoubleArrayWithLength | columnScale_ |
| Column scale factors (has inverse at end) More... | |
| Protected Attributes inherited from OsiSolverInterface | |
| OsiRowCutDebugger * | rowCutDebugger_ |
| Pointer to row cut debugger object. More... | |
| CoinMessageHandler * | handler_ |
| Message handler. More... | |
| bool | defaultHandler_ |
| Flag to say if the currrent handler is the default handler. More... | |
| CoinMessages | messages_ |
| Messages. More... | |
| int | numberIntegers_ |
| Number of integers. More... | |
| int | numberObjects_ |
| Total number of objects. More... | |
| OsiObject ** | object_ |
| Integer and ... information (integer info normally at beginning) More... | |
| char * | columnType_ |
| Column type 0 - continuous 1 - binary (may get fixed later) 2 - general integer (may get fixed later) 3 - if supported - semi-continuous 4 - if supported - semi-continuous integer. More... | |
Additional Inherited Members | |
| Public Types inherited from OsiSolverInterface | |
| typedef std::vector< std::string > | OsiNameVec |
| Data type for name vectors. More... | |
This is to allow the user to replace initialSolve and resolve This version changes coefficients.
Definition at line 29 of file CbcLinked.hpp.
| OsiSolverLink::OsiSolverLink | ( | ) |
Default Constructor.
| 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::OsiSolverLink | ( | const OsiSolverLink & | ) |
Copy constructor.
|
virtual |
Destructor.
|
virtual |
Solve initial LP relaxation.
Reimplemented from OsiClpSolverInterface.
|
virtual |
Resolve an LP relaxation after problem modification.
Reimplemented from OsiClpSolverInterface.
|
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.
| 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
| double OsiSolverLink::linearizedBAB | ( | CglStored * | cut | ) |
Solve linearized quadratic objective branch and bound.
Return cutoff and OA cut
| 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.
| int OsiSolverLink::doAOCuts | ( | CglTemporary * | cutGen, |
| const double * | solution, | ||
| const double * | solution2 | ||
| ) |
Do OA cuts.
| void OsiSolverLink::load | ( | CoinModel & | modelObject, |
| bool | tightenBounds = false, |
||
| int | logLevel = 1 |
||
| ) |
|
virtual |
Clone.
Reimplemented from CbcOsiSolver.
| OsiSolverLink& OsiSolverLink::operator= | ( | const OsiSolverLink & | rhs | ) |
Assignment operator.
| void OsiSolverLink::addBoundModifier | ( | bool | upperBoundAffected, |
| bool | useUpperBound, | ||
| int | whichVariable, | ||
| int | whichVariableAffected, | ||
| double | multiplier = 1.0 |
||
| ) |
Add a bound modifier.
| int OsiSolverLink::updateCoefficients | ( | ClpSimplex * | solver, |
| CoinPackedMatrix * | matrix | ||
| ) |
Update coefficients - returns number updated if in updating mode.
| void OsiSolverLink::analyzeObjects | ( | ) |
Analyze constraints to see which are convex (quadratic)
| void OsiSolverLink::addTighterConstraints | ( | ) |
Add reformulated bilinear constraints.
|
inline |
Objective value of best solution found internally.
Definition at line 120 of file CbcLinked.hpp.
|
inline |
Set objective value of best solution found internally.
Definition at line 125 of file CbcLinked.hpp.
|
inline |
Best solution found internally.
Definition at line 130 of file CbcLinked.hpp.
| void OsiSolverLink::setBestSolution | ( | const double * | solution, |
| int | numberColumns | ||
| ) |
Set best solution found internally.
|
inline |
Set special options.
Definition at line 137 of file CbcLinked.hpp.
| void OsiSolverLink::sayConvex | ( | bool | convex | ) |
Say convex (should work it out) - if convex false then strictly concave.
|
inline |
Get special options.
Definition at line 144 of file CbcLinked.hpp.
|
inline |
Clean copy of matrix So we can add rows.
Definition at line 151 of file CbcLinked.hpp.
|
inline |
Row copy of matrix Just genuine columns and rows Linear part.
Definition at line 159 of file CbcLinked.hpp.
|
inline |
Copy of quadratic model if one.
Definition at line 164 of file CbcLinked.hpp.
| CoinPackedMatrix* OsiSolverLink::quadraticRow | ( | int | rowNumber, |
| double * | linear | ||
| ) | const |
Gets correct form for a quadratic row - user to delete.
|
inline |
Default meshSize.
Definition at line 171 of file CbcLinked.hpp.
|
inline |
Definition at line 175 of file CbcLinked.hpp.
|
inline |
Default maximumbound.
Definition at line 180 of file CbcLinked.hpp.
|
inline |
Definition at line 184 of file CbcLinked.hpp.
|
inline |
Set integer priority.
Definition at line 189 of file CbcLinked.hpp.
|
inline |
Get integer priority.
Definition at line 194 of file CbcLinked.hpp.
|
inline |
Objective transfer variable if one.
Definition at line 199 of file CbcLinked.hpp.
|
inline |
Set biLinear priority.
Definition at line 204 of file CbcLinked.hpp.
|
inline |
Get biLinear priority.
Definition at line 209 of file CbcLinked.hpp.
|
inline |
Return CoinModel.
Definition at line 214 of file CbcLinked.hpp.
| void OsiSolverLink::setBiLinearPriorities | ( | int | value, |
| double | meshSize = 1.0 |
||
| ) |
Set all biLinear priorities on x-x variables.
| 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)
| void OsiSolverLink::setMeshSizes | ( | double | value | ) |
Set all mesh sizes on x-x variables.
| 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.
|
protected |
Do real work of initialize.
Do real work of delete
|
protected |
Do real work of copy.
|
protected |
Clean copy of matrix Marked coefficients will be multiplied by L or U.
Definition at line 255 of file CbcLinked.hpp.
|
protected |
Row copy of matrix Just genuine columns and rows.
Definition at line 259 of file CbcLinked.hpp.
|
protected |
Copy of quadratic model if one.
Definition at line 261 of file CbcLinked.hpp.
|
protected |
Number of rows with nonLinearities.
Definition at line 263 of file CbcLinked.hpp.
|
protected |
Starts of lists.
Definition at line 265 of file CbcLinked.hpp.
|
protected |
Row number for a list.
Definition at line 267 of file CbcLinked.hpp.
|
protected |
Indicator whether is convex, concave or neither -1 concave, 0 neither, +1 convex.
Definition at line 271 of file CbcLinked.hpp.
|
protected |
Indices in a list/row.
Definition at line 273 of file CbcLinked.hpp.
|
protected |
Model in CoinModel format.
Definition at line 275 of file CbcLinked.hpp.
|
protected |
Number of variables in tightening phase.
Definition at line 277 of file CbcLinked.hpp.
|
protected |
Information.
Definition at line 279 of file CbcLinked.hpp.
|
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.
|
protected |
Objective transfer row if one.
Definition at line 289 of file CbcLinked.hpp.
|
protected |
Objective transfer variable if one.
Definition at line 291 of file CbcLinked.hpp.
|
protected |
Objective value of best solution found internally.
Definition at line 293 of file CbcLinked.hpp.
|
protected |
Default mesh.
Definition at line 295 of file CbcLinked.hpp.
|
protected |
Default maximum bound.
Definition at line 297 of file CbcLinked.hpp.
|
protected |
Best solution found internally.
Definition at line 299 of file CbcLinked.hpp.
|
protected |
Priority for integers.
Definition at line 301 of file CbcLinked.hpp.
|
protected |
Priority for bilinear.
Definition at line 303 of file CbcLinked.hpp.
|
protected |
Number of variables which when fixed help.
Definition at line 305 of file CbcLinked.hpp.
|
protected |
list of fixed variables
Definition at line 307 of file CbcLinked.hpp.
1.8.5
