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# /home/coin/SVN-release/Blis-0.91.0/Osi/src/OsiClp/OsiClpSolverInterface.hpp

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    00001 // Copyright (C) 2000, International Business Machines
    00002 // Corporation and others.  All Rights Reserved.
    00003
    00004 #ifndef OsiClpSolverInterface_H
    00005 #define OsiClpSolverInterface_H
    00006
    00007 #include <string>
    00008 #include <cfloat>
    00009 #include <map>
    00010
    00011 #include "ClpSimplex.hpp"
    00012 #include "ClpLinearObjective.hpp"
    00013 #include "CoinPackedMatrix.hpp"
    00014 #include "OsiSolverInterface.hpp"
    00015 #include "CoinWarmStartBasis.hpp"
    00016 #include "ClpEventHandler.hpp"
    00017 #include "ClpNode.hpp"
    00018 #include "CoinIndexedVector.hpp"
    00019
    00020 class OsiRowCut;
    00021 class OsiClpUserSolver;
    00022 class OsiClpDisasterHandler;
    00023 class CoinSet;
    00024 #ifndef COIN_DBL_MAX
    00025 static const double OsiClpInfinity = DBL_MAX;
    00026 #else
    00027 static const double OsiClpInfinity = COIN_DBL_MAX;
    00028 #endif
    00029
    00030 //#############################################################################
    00031
    00038 class OsiClpSolverInterface :
    00039   virtual public OsiSolverInterface {
    00040   friend int OsiClpSolverInterfaceUnitTest(const std::string & mpsDir, const std::string & netlibDir);
    00041
    00042 public:
    00043   //---------------------------------------------------------------------------
    00046
    00047   virtual void initialSolve();
    00048
    00050   virtual void resolve();
    00051
    00053   virtual void branchAndBound();
    00054
    00056
    00058
    00059
    00065   virtual void enableSimplexInterface(bool doingPrimal);
    00066
    00068   virtual void disableSimplexInterface();
    00072   virtual int canDoSimplexInterface() const;
    00079   virtual void enableFactorization() const;
    00081   virtual void disableFactorization() const;
    00082
    00098   void setupForRepeatedUse(int senseOfAdventure=0, int printOut=0);
    00100   virtual void synchronizeModel();
    00101   // Sleazy methods to fool const requirements (no less safe as modelPtr_ mutable)
    00102   void setSpecialOptionsMutable(unsigned int value) const;
    00103
    00108   virtual bool basisIsAvailable() const;
    00109
    00125   virtual void getBasisStatus(int* cstat, int* rstat) const;
    00126
    00137   virtual int setBasisStatus(const int* cstat, const int* rstat);
    00138
    00146   virtual int pivot(int colIn, int colOut, int outStatus);
    00147
    00159   virtual int primalPivotResult(int colIn, int sign,
    00160                                 int& colOut, int& outStatus,
    00161                                 double& t, CoinPackedVector* dx);
    00162
    00169   virtual int dualPivotResult(int& colIn, int& sign,
    00170                               int colOut, int outStatus,
    00171                               double& t, CoinPackedVector* dx);
    00172
    00174   virtual void getReducedGradient(double* columnReducedCosts,
    00175                                   double * duals,
    00176                                   const double * c);
    00177
    00180   virtual void setObjectiveAndRefresh(double* c);
    00181
    00183   virtual void getBInvARow(int row, double* z, double * slack=NULL) const;
    00184
    00189   virtual void getBInvARow(int row, CoinIndexedVector * z, CoinIndexedVector * slack=NULL,
    00190                            bool keepScaled=false) const;
    00191
    00193   virtual void getBInvRow(int row, double* z) const;
    00194
    00196   virtual void getBInvACol(int col, double* vec) const ;
    00197
    00199   virtual void getBInvACol(int col, CoinIndexedVector * vec) const ;
    00200
    00205   virtual void getBInvACol(CoinIndexedVector * vec) const ;
    00206
    00208   virtual void getBInvCol(int col, double* vec) const ;
    00209
    00214   virtual void getBasics(int* index) const;
    00215
    00217   //---------------------------------------------------------------------------
    00233   // Set an integer parameter
    00234   bool setIntParam(OsiIntParam key, int value);
    00235   // Set an double parameter
    00236   bool setDblParam(OsiDblParam key, double value);
    00237   // Set a string parameter
    00238   bool setStrParam(OsiStrParam key, const std::string & value);
    00239   // Get an integer parameter
    00240   bool getIntParam(OsiIntParam key, int& value) const;
    00241   // Get an double parameter
    00242   bool getDblParam(OsiDblParam key, double& value) const;
    00243   // Get a string parameter
    00244   bool getStrParam(OsiStrParam key, std::string& value) const;
    00245   // Set a hint parameter - overrides OsiSolverInterface
    00246   virtual bool setHintParam(OsiHintParam key, bool yesNo=true,
    00247                             OsiHintStrength strength=OsiHintTry,
    00248                             void * otherInformation=NULL);
    00250
    00251   //---------------------------------------------------------------------------
    00253
    00254
    00255   virtual bool isAbandoned() const;
    00257   virtual bool isProvenOptimal() const;
    00259   virtual bool isProvenPrimalInfeasible() const;
    00261   virtual bool isProvenDualInfeasible() const;
    00263   virtual bool isPrimalObjectiveLimitReached() const;
    00265   virtual bool isDualObjectiveLimitReached() const;
    00267   virtual bool isIterationLimitReached() const;
    00269
    00270   //---------------------------------------------------------------------------
    00273
    00281   virtual CoinWarmStart *getEmptyWarmStart () const;
    00282
    00284   virtual CoinWarmStart* getWarmStart() const;
    00286   inline CoinWarmStartBasis* getPointerToWarmStart()
    00287   { return &basis_;}
    00289   inline const CoinWarmStartBasis* getConstPointerToWarmStart() const
    00290   { return &basis_;}
    00293   virtual bool setWarmStart(const CoinWarmStart* warmstart);
    00303   virtual CoinWarmStart* getPointerToWarmStart(bool & mustDelete) ;
    00304
    00306
    00307   //---------------------------------------------------------------------------
    00314
    00315   virtual void markHotStart();
    00317   virtual void solveFromHotStart();
    00319   virtual void unmarkHotStart();
    00328   int startFastDual(int options);
    00330   void stopFastDual();
    00332   void setStuff(double tolerance,double increment);
    00334
    00335   //---------------------------------------------------------------------------
    00350
    00351   virtual int getNumCols() const {
    00352     return modelPtr_->numberColumns(); }
    00353
    00355   virtual int getNumRows() const {
    00356     return modelPtr_->numberRows(); }
    00357
    00359   virtual int getNumElements() const {
    00360     int retVal = 0;
    00361     const CoinPackedMatrix * matrix =modelPtr_->matrix();
    00362     if ( matrix != NULL ) retVal=matrix->getNumElements();
    00363     return retVal; }
    00364
    00367     virtual std::string getRowName(int rowIndex,
    00368                                    unsigned maxLen = std::string::npos) const;
    00369
    00372     virtual std::string getColName(int colIndex,
    00373                                    unsigned maxLen = std::string::npos) const;
    00374
    00375
    00377   virtual const double * getColLower() const { return modelPtr_->columnLower(); }
    00378
    00380   virtual const double * getColUpper() const { return modelPtr_->columnUpper(); }
    00381
    00391   virtual const char * getRowSense() const;
    00392
    00401   virtual const double * getRightHandSide() const ;
    00402
    00411   virtual const double * getRowRange() const ;
    00412
    00414   virtual const double * getRowLower() const { return modelPtr_->rowLower(); }
    00415
    00417   virtual const double * getRowUpper() const { return modelPtr_->rowUpper(); }
    00418
    00420   virtual const double * getObjCoefficients() const
    00421   { return modelPtr_->objective(); }
    00422
    00424   virtual double getObjSense() const
    00425   { return modelPtr_->optimizationDirection(); }
    00426
    00428   virtual bool isContinuous(int colNumber) const;
    00430   virtual bool isBinary(int colIndex) const;
    00431
    00436   virtual bool isInteger(int colIndex) const;
    00437
    00439   virtual bool isIntegerNonBinary(int colIndex) const;
    00440
    00442   virtual bool isFreeBinary(int colIndex) const;
    00448   virtual const char * getColType(bool refresh=false) const;
    00449
    00450
    00452   virtual const CoinPackedMatrix * getMatrixByRow() const;
    00453
    00455   virtual const CoinPackedMatrix * getMatrixByCol() const;
    00456
    00458   virtual CoinPackedMatrix * getMutableMatrixByCol() const;
    00459
    00461   virtual double getInfinity() const { return OsiClpInfinity; }
    00463
    00466
    00467   virtual const double * getColSolution() const;
    00468
    00470   virtual const double * getRowPrice() const;
    00471
    00473   virtual const double * getReducedCost() const;
    00474
    00477   virtual const double * getRowActivity() const;
    00478
    00480   virtual double getObjValue() const;
    00481
    00484   virtual int getIterationCount() const
    00485   { return modelPtr_->numberIterations(); }
    00486
    00498   virtual std::vector<double*> getDualRays(int maxNumRays) const;
    00510   virtual std::vector<double*> getPrimalRays(int maxNumRays) const;
    00511
    00513
    00514
    00515   //---------------------------------------------------------------------------
    00516
    00519   //-------------------------------------------------------------------------
    00523   virtual void setObjCoeff( int elementIndex, double elementValue );
    00524
    00527   virtual void setColLower( int elementIndex, double elementValue );
    00528
    00531   virtual void setColUpper( int elementIndex, double elementValue );
    00532
    00534   virtual void setColBounds( int elementIndex,
    00535                              double lower, double upper );
    00536
    00545   virtual void setColSetBounds(const int* indexFirst,
    00546                                const int* indexLast,
    00547                                const double* boundList);
    00548
    00551   virtual void setRowLower( int elementIndex, double elementValue );
    00552
    00555   virtual void setRowUpper( int elementIndex, double elementValue ) ;
    00556
    00558   virtual void setRowBounds( int elementIndex,
    00559                              double lower, double upper ) ;
    00560
    00562   virtual void setRowType(int index, char sense, double rightHandSide,
    00563                           double range);
    00564
    00573   virtual void setRowSetBounds(const int* indexFirst,
    00574                                const int* indexLast,
    00575                                const double* boundList);
    00576
    00587   virtual void setRowSetTypes(const int* indexFirst,
    00588                               const int* indexLast,
    00589                               const char* senseList,
    00590                               const double* rhsList,
    00591                               const double* rangeList);
    00596     virtual void setObjective(const double * array);
    00597
    00602     virtual void setColLower(const double * array);
    00603
    00608     virtual void setColUpper(const double * array);
    00609
    00610 //    using OsiSolverInterface::setRowName ;
    00612 //    virtual void setRowName(int rowIndex, std::string & name) ;
    00613     virtual void setRowName(int rowIndex, std::string  name) ;
    00614
    00615 //    using OsiSolverInterface::setColName ;
    00617 //    virtual void setColName(int colIndex, std::string & name) ;
    00618     virtual void setColName(int colIndex, std::string  name) ;
    00619
    00621
    00622   //-------------------------------------------------------------------------
    00626   virtual void setContinuous(int index);
    00628   virtual void setInteger(int index);
    00631   virtual void setContinuous(const int* indices, int len);
    00634   virtual void setInteger(const int* indices, int len);
    00636   inline int numberSOS() const
    00637   { return numberSOS_;}
    00639   inline const CoinSet * setInfo() const
    00640   { return setInfo_;}
    00650   virtual int findIntegersAndSOS(bool justCount);
    00652
    00653   //-------------------------------------------------------------------------
    00655   virtual void setObjSense(double s )
    00656   { modelPtr_->setOptimizationDirection( s < 0 ? -1 : 1); }
    00657
    00668   virtual void setColSolution(const double * colsol);
    00669
    00680   virtual void setRowPrice(const double * rowprice);
    00681
    00682   //-------------------------------------------------------------------------
    00687
    00688   using OsiSolverInterface::addCol ;
    00690   virtual void addCol(const CoinPackedVectorBase& vec,
    00691                       const double collb, const double colub,
    00692                       const double obj);
    00694   virtual void addCol(int numberElements, const int * rows, const double * elements,
    00695                       const double collb, const double colub,
    00696                       const double obj) ;
    00698   virtual void addCols(const int numcols,
    00699                        const CoinPackedVectorBase * const * cols,
    00700                        const double* collb, const double* colub,
    00701                        const double* obj);
    00703   virtual void addCols(const int numcols,
    00704                        const int * columnStarts, const int * rows, const double * elements,
    00705                        const double* collb, const double* colub,
    00706                        const double* obj);
    00708   virtual void deleteCols(const int num, const int * colIndices);
    00709
    00710   using OsiSolverInterface::addRow ;
    00712   virtual void addRow(const CoinPackedVectorBase& vec,
    00713                       const double rowlb, const double rowub);
    00715   virtual void addRow(const CoinPackedVectorBase& vec,
    00716                       const char rowsen, const double rowrhs,
    00717                       const double rowrng);
    00719   virtual void addRow(int numberElements, const int * columns, const double * element,
    00720                       const double rowlb, const double rowub) ;
    00722   virtual void addRows(const int numrows,
    00723                        const CoinPackedVectorBase * const * rows,
    00724                        const double* rowlb, const double* rowub);
    00726   virtual void addRows(const int numrows,
    00727                        const CoinPackedVectorBase * const * rows,
    00728                        const char* rowsen, const double* rowrhs,
    00729                        const double* rowrng);
    00730
    00732   virtual void addRows(const int numrows,
    00733                        const int * rowStarts, const int * columns, const double * element,
    00734                        const double* rowlb, const double* rowub);
    00736   void modifyCoefficient(int row, int column, double newElement,
    00737                         bool keepZero=false)
    00738         {modelPtr_->modifyCoefficient(row,column,newElement, keepZero);}
    00739
    00741   virtual void deleteRows(const int num, const int * rowIndices);
    00744   virtual void saveBaseModel() ;
    00748   virtual void restoreBaseModel(int numberRows);
    00749
    00750   //-----------------------------------------------------------------------
    00754   virtual void applyRowCuts(int numberCuts, const OsiRowCut * cuts);
    00759   virtual void applyRowCuts(int numberCuts, const OsiRowCut ** cuts);
    00761
    00762
    00763   //---------------------------------------------------------------------------
    00764
    00765 public:
    00766
    00780   virtual void loadProblem(const CoinPackedMatrix& matrix,
    00781                            const double* collb, const double* colub,
    00782                            const double* obj,
    00783                            const double* rowlb, const double* rowub);
    00784
    00792   virtual void assignProblem(CoinPackedMatrix*& matrix,
    00793                              double*& collb, double*& colub, double*& obj,
    00794                              double*& rowlb, double*& rowub);
    00795
    00808   virtual void loadProblem(const CoinPackedMatrix& matrix,
    00809                            const double* collb, const double* colub,
    00810                            const double* obj,
    00811                            const char* rowsen, const double* rowrhs,
    00812                            const double* rowrng);
    00813
    00821   virtual void assignProblem(CoinPackedMatrix*& matrix,
    00822                              double*& collb, double*& colub, double*& obj,
    00823                              char*& rowsen, double*& rowrhs,
    00824                              double*& rowrng);
    00825
    00828   virtual void loadProblem(const int numcols, const int numrows,
    00829                            const CoinBigIndex * start, const int* index,
    00830                            const double* value,
    00831                            const double* collb, const double* colub,
    00832                            const double* obj,
    00833                            const double* rowlb, const double* rowub);
    00834
    00837   virtual void loadProblem(const int numcols, const int numrows,
    00838                            const CoinBigIndex * start, const int* index,
    00839                            const double* value,
    00840                            const double* collb, const double* colub,
    00841                            const double* obj,
    00842                            const char* rowsen, const double* rowrhs,
    00843                            const double* rowrng);
    00845   virtual int loadFromCoinModel (  CoinModel & modelObject, bool keepSolution=false);
    00846
    00847   using OsiSolverInterface::readMps ;
    00850   virtual int readMps(const char *filename,
    00851                       const char *extension = "mps") ;
    00854   int readMps(const char *filename,bool keepNames,bool allowErrors);
    00855
    00860   virtual void writeMps(const char *filename,
    00861                         const char *extension = "mps",
    00862                         double objSense=0.0) const;
    00871   virtual int writeMpsNative(const char *filename,
    00872                              const char ** rowNames, const char ** columnNames,
    00873                              int formatType=0,int numberAcross=2,
    00874                              double objSense=0.0) const ;
    00876   virtual int readLp(const char *filename, const double epsilon = 1e-5);
    00882   virtual void writeLp(const char *filename,
    00883                        const char *extension = "lp",
    00884                        double epsilon = 1e-5,
    00885                        int numberAcross = 10,
    00886                        int decimals = 5,
    00887                        double objSense = 0.0,
    00888                        bool useRowNames = true) const;
    00893   virtual void writeLp(FILE *fp,
    00894                double epsilon = 1e-5,
    00895                int numberAcross = 10,
    00896                int decimals = 5,
    00897                double objSense = 0.0,
    00898                bool useRowNames = true) const;
    00904   virtual void replaceMatrixOptional(const CoinPackedMatrix & matrix);
    00906   virtual void replaceMatrix(const CoinPackedMatrix & matrix) ;
    00908
    00919   virtual void passInMessageHandler(CoinMessageHandler * handler);
    00921   void newLanguage(CoinMessages::Language language);
    00922   void setLanguage(CoinMessages::Language language)
    00923   {newLanguage(language);}
    00925   void setLogLevel(int value);
    00927   void generateCpp( FILE * fp);
    00929   //---------------------------------------------------------------------------
    00930
    00933
    00934   ClpSimplex * getModelPtr() const ;
    00936   inline ClpSimplex * swapModelPtr(ClpSimplex * newModel)
    00937   { ClpSimplex * model = modelPtr_; modelPtr_=newModel;return model;}
    00939   inline unsigned int specialOptions() const
    00940   { return specialOptions_;}
    00941   void setSpecialOptions(unsigned int value);
    00943   inline int lastAlgorithm() const
    00944   { return lastAlgorithm_;}
    00946   inline int cleanupScaling() const
    00947   { return cleanupScaling_;}
    00960   inline void setCleanupScaling(int value)
    00961   { cleanupScaling_=value;}
    00964   inline double smallestElementInCut() const
    00965   { return smallestElementInCut_;}
    00968   inline void setSmallestElementInCut(double value)
    00969   { smallestElementInCut_=value;}
    00976   inline double smallestChangeInCut() const
    00977   { return smallestChangeInCut_;}
    00984   inline void setSmallestChangeInCut(double value)
    00985   { smallestChangeInCut_=value;}
    00987   inline void setSolveOptions(const ClpSolve & options)
    00988   { solveOptions_ = options;}
    00992   virtual int tightenBounds(int lightweight=0);
    00994   virtual CoinBigIndex getSizeL() const;
    00996   virtual CoinBigIndex getSizeU() const;
    00998   const OsiClpDisasterHandler * disasterHandler() const
    00999   { return disasterHandler_;}
    01001   void passInDisasterHandler(OsiClpDisasterHandler * handler);
    01003   ClpLinearObjective * fakeObjective() const
    01004   { return fakeObjective_;}
    01006   void setFakeObjective(ClpLinearObjective * fakeObjective);
    01008   void setFakeObjective(double * fakeObjective);
    01010
    01011   //---------------------------------------------------------------------------
    01012
    01015
    01016   OsiClpSolverInterface ();
    01017
    01019   virtual OsiSolverInterface * clone(bool copyData = true) const;
    01020
    01022   OsiClpSolverInterface (const OsiClpSolverInterface &);
    01023
    01025   OsiClpSolverInterface (ClpSimplex * rhs, bool reallyOwn=false);
    01026
    01028   void releaseClp();
    01029
    01031   OsiClpSolverInterface & operator=(const OsiClpSolverInterface& rhs);
    01032
    01034   virtual ~OsiClpSolverInterface ();
    01035
    01037   virtual void reset();
    01039
    01040   //---------------------------------------------------------------------------
    01041
    01042 protected:
    01044
    01045
    01046   virtual void applyRowCut(const OsiRowCut& rc);
    01047
    01049   virtual void applyColCut(const OsiColCut& cc);
    01051
    01052   //---------------------------------------------------------------------------
    01053
    01054 protected:
    01057
    01058   void gutsOfDestructor();
    01059
    01061   void freeCachedResults() const;
    01062
    01064   void freeCachedResults0() const;
    01065
    01067   void freeCachedResults1() const;
    01068
    01070   void extractSenseRhsRange() const;
    01071
    01073   void fillParamMaps();
    01082   CoinWarmStartBasis getBasis(ClpSimplex * model) const;
    01091   void setBasis( const CoinWarmStartBasis & basis, ClpSimplex * model);
    01093   void crunch();
    01095   void redoScaleFactors(int numberRows,const CoinBigIndex * starts,
    01096                         const int * indices, const double * elements);
    01097 public:
    01100   void setBasis( const CoinWarmStartBasis & basis);
    01102   inline void setBasis( )
    01103   { setBasis(basis_,modelPtr_);}
    01105   CoinWarmStartDiff * getBasisDiff(const unsigned char * statusArray) const ;
    01107   CoinWarmStartBasis * getBasis(const unsigned char * statusArray) const ;
    01109   void deleteScaleFactors();
    01111   inline const double * upRange() const
    01112   { return rowActivity_;}
    01113   inline const double * downRange() const
    01114   { return columnActivity_;}
    01116   inline void passInRanges(int * array)
    01117   { whichRange_=array;}
    01119   void setSOSData(int numberSOS,const char * type,
    01120                   const int * start,const int * indices, const double * weights=NULL);
    01122   void computeLargestAway();
    01124   inline double largestAway() const
    01125   { return largestAway_;}
    01127   inline void setLargestAway(double value)
    01128   { largestAway_ = value;}
    01130   void lexSolve();
    01131 protected:
    01133
    01136
    01137   mutable ClpSimplex * modelPtr_;
    01139   double * linearObjective_;
    01142
    01143   mutable char    *rowsense_;
    01144
    01146   mutable double  *rhs_;
    01147
    01151   mutable double  *rowrange_;
    01152
    01155   mutable CoinWarmStartBasis* ws_;
    01158   mutable double * rowActivity_;
    01159   mutable double * columnActivity_;
    01161   ClpNodeStuff stuff_;
    01163   int numberSOS_;
    01165   CoinSet * setInfo_;
    01167   ClpSimplex * smallModel_;
    01169   ClpFactorization * factorization_;
    01172   double smallestElementInCut_;
    01176   double smallestChangeInCut_;
    01178   double largestAway_;
    01180   char * spareArrays_;
    01182   CoinWarmStartBasis basis_;
    01184   int itlimOrig_;
    01185
    01187   mutable int lastAlgorithm_;
    01188
    01190   bool notOwned_;
    01191
    01193   mutable CoinPackedMatrix *matrixByRow_;
    01194
    01196   char * integerInformation_;
    01197
    01202   int * whichRange_;
    01203
    01204   //std::map<OsiIntParam, ClpIntParam> intParamMap_;
    01205   //std::map<OsiDblParam, ClpDblParam> dblParamMap_;
    01206   //std::map<OsiStrParam, ClpStrParam> strParamMap_;
    01207
    01209   mutable ClpDataSave saveData_;
    01211   ClpSolve solveOptions_;
    01224   int cleanupScaling_;
    01245   mutable unsigned int specialOptions_;
    01247   ClpSimplex * baseModel_;
    01249   int lastNumberRows_;
    01251   ClpSimplex * continuousModel_;
    01253   OsiClpDisasterHandler * disasterHandler_ ;
    01255   ClpLinearObjective * fakeObjective_;
    01257   CoinDoubleArrayWithLength rowScale_;
    01259   CoinDoubleArrayWithLength columnScale_;
    01261 };
    01262
    01263 class OsiClpDisasterHandler : public ClpDisasterHandler {
    01264 public:
    01268
    01269   virtual void intoSimplex();
    01271   virtual bool check() const ;
    01273   virtual void saveInfo();
    01275   virtual int typeOfDisaster();
    01277
    01278
    01283   OsiClpDisasterHandler(OsiClpSolverInterface * model = NULL);
    01285   virtual ~OsiClpDisasterHandler();
    01286   // Copy
    01287   OsiClpDisasterHandler(const OsiClpDisasterHandler&);
    01288   // Assignment
    01289   OsiClpDisasterHandler& operator=(const OsiClpDisasterHandler&);
    01291   virtual ClpDisasterHandler * clone() const;
    01292
    01294
    01299   void setOsiModel(OsiClpSolverInterface * model);
    01301   inline OsiClpSolverInterface * osiModel() const
    01302   { return osiModel_;}
    01304   inline void setWhereFrom(int value)
    01305   { whereFrom_=value;}
    01307   inline int whereFrom() const
    01308   { return whereFrom_;}
    01310   inline void setPhase(int value)
    01311   { phase_=value;}
    01313   inline int phase() const
    01314   { return phase_;}
    01316   inline bool inTrouble() const
    01317   { return inTrouble_;}
    01318
    01320
    01321
    01322 protected:
    01326
    01327   OsiClpSolverInterface * osiModel_;
    01335   int whereFrom_;
    01343   int phase_;
    01345   bool inTrouble_;
    01346
    01348 };
    01349
    01350 //#############################################################################
    01358 int
    01359 OsiClpSolverInterfaceUnitTest(const std::string & mpsDir, const std::string & netlibDir);
    01360 #endif