5#ifndef OsiXprSolverInterface_H
6#define OsiXprSolverInterface_H
194 virtual bool isBinary(
int colIndex)
const;
200 virtual bool isInteger(
int colIndex)
const;
258 bool fullRay =
false)
const;
303 double lower,
double upper);
314 const int *indexLast,
315 const double *boundList);
329 double lower,
double upper);
332 virtual void setRowType(
int index,
char sense,
double rightHandSide,
344 const int *indexLast,
345 const double *boundList);
358 const int *indexLast,
359 const char *senseList,
360 const double *rhsList,
361 const double *rangeList);
413 virtual void addCol(
const CoinPackedVectorBase &vec,
414 const double collb,
const double colub,
418 const CoinPackedVectorBase *
const *cols,
419 const double *collb,
const double *colub,
422 virtual void deleteCols(
const int num,
const int *colIndices);
425 virtual void addRow(
const CoinPackedVectorBase &vec,
426 const double rowlb,
const double rowub);
428 virtual void addRow(
const CoinPackedVectorBase &vec,
429 const char rowsen,
const double rowrhs,
430 const double rowrng);
433 const CoinPackedVectorBase *
const *rows,
434 const double *rowlb,
const double *rowub);
437 const CoinPackedVectorBase *
const *rows,
438 const char *rowsen,
const double *rowrhs,
439 const double *rowrng);
441 virtual void deleteRows(
const int num,
const int *rowIndices);
466 double effectivenessLb = 0.0);
486 const double *collb,
const double *colub,
488 const double *rowlb,
const double *rowub);
498 double *&collb,
double *&colub,
double *&obj,
499 double *&rowlb,
double *&rowub);
514 const double *collb,
const double *colub,
516 const char *rowsen,
const double *rowrhs,
517 const double *rowrng);
527 double *&collb,
double *&colub,
double *&obj,
528 char *&rowsen,
double *&rowrhs,
534 const int *start,
const int *index,
536 const double *collb,
const double *colub,
538 const double *rowlb,
const double *rowub);
543 const int *start,
const int *index,
545 const double *collb,
const double *colub,
547 const char *rowsen,
const double *rowrhs,
548 const double *rowrng);
552 const char *extension =
"mps");
559 const char *extension =
"mps",
560 double objSense = 0.0)
const;
std::vector< int > OsiVectorInt
Vector of int.
struct xo_prob_struct * XPRSprob
void OsiXprSolverInterfaceUnitTest(const std::string &mpsDir, const std::string &netlibDir)
A function that tests the methods in the OsiXprSolverInterface class.
Collections of row cuts and column cuts.
Internal class for obtaining status from the applyCuts method.
Abstract Base Class for describing an interface to a solver.
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 t...
virtual bool isFreeBinary(int colIndex) const
Return true if the variable is binary and not fixed.
virtual bool isIntegerNonBinary(int colIndex) const
Return true if the variable is general integer.
virtual ApplyCutsReturnCode applyCuts(const OsiCuts &cs, double effectivenessLb=0.0)
Apply a collection of cuts.
virtual bool isBinary(int colIndex) const
Return true if the variable is binary.
virtual bool isInteger(int colIndex) const
Return true if the variable is integer.
XPRESS-MP Solver Interface.
virtual const CoinPackedMatrix * getMatrixByCol() const
Get pointer to column-wise copy of matrix.
virtual void unmarkHotStart()
Delete the snapshot.
double * colprice_
Pointer to dense vector of dual column variable values.
virtual double getObjSense() const
Get objective function sense (1 for min (default), -1 for max)
virtual void setRowLower(int elementIndex, double elementValue)
Set a single row lower bound Use -COIN_DBL_MAX for -infinity.
virtual bool isPrimalObjectiveLimitReached() const
Is the given primal objective limit reached?
double * rhs_
Pointer to dense vector of row right-hand side values.
virtual std::vector< double * > getPrimalRays(int maxNumRays) const
Get as many primal rays as the solver can provide.
virtual void addRow(const CoinPackedVectorBase &vec, const double rowlb, const double rowub)
Add a row (constraint) to the problem.
double * colsol_
Pointer to dense vector of primal structural variable values.
virtual double getInfinity() const
Get solver's value for infinity.
virtual bool isIterationLimitReached() const
Iteration limit reached?
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 l...
static void incrementInstanceCounter()
XPRESS has a context that must be created prior to all other XPRESS calls.
virtual void applyRowCut(const OsiRowCut &rc)
Apply a row cut. Return true if cut was applied.
bool setDblParam(OsiDblParam key, double value)
Set a double parameter.
bool lastsolvewasmip
Indicates whether the last solve was for a MIP or an LP.
void passInMessageHandler(CoinMessageHandler *handler)
Pass in a message handler It is the client's responsibility to destroy a message handler installed by...
double * rowprice_
Pointer to dense vector of dual row variable values.
virtual void setColSolution(const double *colsol)
Set the primal solution column values.
bool domipstart
Whether to pass a column solution to XPRESS before starting MIP solve (loadmipsol)
virtual std::vector< double * > getDualRays(int maxNumRays, bool fullRay=false) const
Get as many dual rays as the solver can provide.
virtual void setRowType(int index, char sense, double rightHandSide, double range)
Set the type of a single row
virtual const double * getColUpper() const
Get pointer to array[getNumCols()] of column upper bounds.
bool isDataLoaded() const
Save and restore are necessary if there is data associated with this problem.
double * colupper_
Pointer to dense vector of structural variable upper bounds.
double * collower_
Pointer to dense vector of structural variable lower bounds.
virtual bool isDualObjectiveLimitReached() const
Is the given dual objective limit reached?
static void decrementInstanceCounter()
XPRESS has a context that should be deleted after XPRESS calls.
static int iXprCallCount_
virtual bool isProvenPrimalInfeasible() const
Is primal infeasiblity proven?
virtual void setColBounds(int elementIndex, double lower, double upper)
Set a single column lower and upper bound The default implementation just invokes setColLower() and ...
CoinWarmStart * getEmptyWarmStart() const
Get empty warm start object.
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.
void gutsOfCopy(const OsiXprSolverInterface &source)
The real work of a copy constructor (used by copy and assignment)
void getVarTypes() const
Build cached copy of variable types.
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 setRowLowe...
virtual const double * getReducedCost() const
Get a pointer to array[getNumCols()] of reduced costs.
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 setColL...
virtual void addCol(const CoinPackedVectorBase &vec, const double collb, const double colub, const double obj)
Add a column (primal variable) to the problem.
virtual void loadProblem(const int numcols, const int numrows, const int *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 ...
virtual void initialSolve()
Solve initial LP relaxation.
double * rowsol_
Pointer to dense vector of primal slack variable values.
static FILE * logFilePtr_
The FILE* to the logfile.
virtual const double * getRightHandSide() const
Get pointer to array[getNumRows()] of rows right-hand sides.
virtual OsiSolverInterface * clone(bool copyData=true) const
Clone.
virtual void setRowUpper(int elementIndex, double elementValue)
Set a single row upper bound Use COIN_DBL_MAX for infinity.
virtual const double * getRowPrice() const
Get pointer to array[getNumRows()] of dual prices.
virtual const double * getColLower() const
Get pointer to array[getNumCols()] of column lower bounds.
static const char * logFileName_
Name of the logfile.
virtual CoinWarmStart * getWarmStart() const
Get warmstarting information.
virtual void getBasisStatus(int *cstat, int *rstat) const
Returns a basis status of the structural/artificial variables At present as warm start i....
virtual void setContinuous(const int *indices, int len)
Set the variables listed in indices (which is of length len) to be continuous variables.
void freeSolution()
Destroy cached copy of solution data (whenever it changes)
virtual int getNumElements() const
Get number of nonzero elements.
char * ivartype_
Pointer to list of global variable types:
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.
virtual const double * getRowUpper() const
Get pointer to array[getNumRows()] of row upper bounds.
virtual void setInteger(const int *indices, int len)
Set the variables listed in indices (which is of length len) to be integer variables.
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.
static unsigned int numInstances_
Number of live problem instances.
double * rowrange_
Pointer to dense vector of slack upper bounds for range constraints (undefined for non-range rows)
int * ivarind_
Pointer to list of indices of XPRESS "global" variables.
virtual const char * getRowSense() const
Get pointer to array[getNumRows()] of row constraint senses.
virtual void setRowPrice(const double *rowprice)
Set dual solution vector.
double objsense_
Sense of objective (1 for min; -1 for max)
virtual bool setWarmStart(const CoinWarmStart *warmstart)
Set warmstarting information.
static unsigned int osiSerial_
Counts calls to incrementInstanceCounter()
virtual void setContinuous(int index)
Set the index-th variable to be a continuous variable.
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 s...
virtual int readMps(const char *filename, const char *extension="mps")
Read an mps file from the given filename.
void activateMe() const
Save the current problem in XPRESS (if necessary) and make this problem current (restore if necessary...
OsiXprSolverInterface & operator=(const OsiXprSolverInterface &rhs)
Assignment operator.
virtual const double * getColSolution() const
Get pointer to array[getNumCols()] of primal solution vector.
virtual const double * getRowRange() const
Get pointer to array[getNumRows()] of row ranges.
static unsigned int getNumInstances()
Return the number of instances of instantiated objects using XPRESS services.
bool setStrParam(OsiStrParam key, const std::string &value)
Set a string parameter.
virtual void deleteCols(const int num, const int *colIndices)
Remove a set of columns (primal variables) from the problem.
char * vartype_
Pointer to dense vector of variable types (as above, or 'C' for continuous)
OsiXprSolverInterface(const OsiXprSolverInterface &)
Copy constructor.
virtual bool isProvenOptimal() const
Is optimality proven?
virtual bool isContinuous(int colIndex) const
Return true if variable is continuous.
XPRSprob getLpPtr()
Return a pointer to the XPRESS problem.
static int version()
Return XPRESS-MP Version number.
bool getIntParam(OsiIntParam key, int &value) const
Get an integer parameter.
virtual void loadProblem(const int numcols, const int numrows, const int *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 ...
virtual void setColLower(int elementIndex, double elementValue)
Set a single column lower bound Use -COIN_DBL_MAX for -infinity.
virtual int getIterationCount() const
Get how many iterations it took to solve the problem (whatever "iteration" mean to the solver.
double * rowact_
Pointer to dense vector of primal slack variable values.
virtual const double * getRowLower() const
Get pointer to array[getNumRows()] of row lower bounds.
double * objcoeffs_
Pointer to dense vector of objective coefficients.
virtual bool isAbandoned() const
Are there a numerical difficulties?
OsiXprSolverInterface(int newrows=50, int newnz=100)
Default Constructor.
virtual void setColUpper(int elementIndex, double elementValue)
Set a single column upper bound Use COIN_DBL_MAX for infinity.
virtual int getNumCols() const
Get number of columns.
virtual ~OsiXprSolverInterface()
Destructor.
void gutsOfDestructor()
The real work of a destructor (used by copy and assignment)
friend void OsiXprSolverInterfaceUnitTest(const std::string &mpsDir, const std::string &netlibDir)
A function that tests the methods in the OsiXprSolverInterface class.
virtual const CoinPackedMatrix * getMatrixByRow() const
Get pointer to row-wise copy of matrix.
virtual double getObjValue() const
Get objective function value.
virtual void deleteRows(const int num, const int *rowIndices)
Delete a set of rows (constraints) from the problem.
virtual void setRowBounds(int elementIndex, double lower, double upper)
Set a single row lower and upper bound The default implementation just invokes setRowLower() and set...
virtual void resolve()
Resolve an LP relaxation after problem modification.
virtual void addRow(const CoinPackedVectorBase &vec, const char rowsen, const double rowrhs, const double rowrng)
Add a row (constraint) to the problem.
static FILE * getLogFilePtr()
Get logfile FILE *.
std::string xprProbname_
XPRESS problem name (should be unique for each saved problem)
virtual void setObjCoeff(int elementIndex, double elementValue)
Set an objective function coefficient.
double * rowupper_
Pointer to dense vector of slack variable upper bounds.
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.
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...
void gutsOfConstructor()
The real work of a constructor (used by construct and assignment)
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()...
virtual void setObjSense(double s)
Set objective function sense (1 for min (default), -1 for max,)
static void setLogFileName(const char *filename)
Set logfile name.
bool getDblParam(OsiDblParam key, double &value) const
Get a double parameter.
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...
virtual void markHotStart()
Create a hotstart point of the optimization process.
void setMipStart(bool value)
bool setIntParam(OsiIntParam key, int value)
Set an integer parameter.
CoinPackedMatrix * matrixByCol_
virtual void applyColCut(const OsiColCut &cc)
Apply a column cut (bound adjustment).
int getNumIntVars() const
Number of integer variables in the problem.
virtual void solveFromHotStart()
Optimize starting from the hotstart.
virtual void branchAndBound()
Invoke solver's built-in enumeration algorithm.
virtual int getNumRows() const
Get number of rows.
virtual bool isProvenDualInfeasible() const
Is dual infeasiblity proven?
char * rowsense_
Pointer to dense vector of row sense indicators.
virtual const double * getObjCoefficients() const
Get pointer to array[getNumCols()] of objective function coefficients.
void freeCachedResults()
Destroy cached copies of problem and solution data (whenever they change)
virtual const double * getRowActivity() const
Get pointer to array[getNumRows()] of row activity levels (constraint matrix times the solution vecto...
CoinPackedMatrix * matrixByRow_
Pointer to row-wise copy of problem matrix coefficients.
bool getStrParam(OsiStrParam key, std::string &value) const
Get a string parameter.
double * rowlower_
Pointer to dense vector of slack variable lower bounds.
virtual void setInteger(int index)
Set the index-th variable to be an integer variable.