00001
00002
00003 #ifndef OsiSolverInterface_H
00004 #define OsiSolverInterface_H
00005
00006 #include <string>
00007 #include <vector>
00008
00009 #include "CoinMessageHandler.hpp"
00010 #include "CoinPackedVectorBase.hpp"
00011
00012 #include "OsiCollections.hpp"
00013 #include "OsiSolverParameters.hpp"
00014
00015 class CoinPackedMatrix;
00016 class CoinWarmStart;
00017 class CoinSnapshot;
00018 class CoinLpIO;
00019 class CoinMpsIO;
00020
00021 class OsiCuts;
00022 class OsiAuxInfo;
00023 class OsiRowCut;
00024 class OsiRowCutDebugger;
00025 class CoinSet;
00026 class CoinBuild;
00027 class CoinModel;
00028 class OsiSolverBranch;
00029 class OsiSolverResult;
00030 class OsiObject;
00031 #include "CoinFinite.hpp"
00032
00033
00034
00035
00059 class OsiSolverInterface {
00060 friend void OsiSolverInterfaceCommonUnitTest(
00061 const OsiSolverInterface* emptySi,
00062 const std::string & mpsDir,
00063 const std::string & netlibDir);
00064 friend void OsiSolverInterfaceMpsUnitTest(
00065 const std::vector<OsiSolverInterface*> & vecSiP,
00066 const std::string & mpsDir);
00067
00068 public:
00069
00071 class ApplyCutsReturnCode {
00072 friend class OsiSolverInterface;
00073 friend class OsiOslSolverInterface;
00074
00075 public:
00077
00078
00079 ApplyCutsReturnCode():
00080 intInconsistent_(0),
00081 extInconsistent_(0),
00082 infeasible_(0),
00083 ineffective_(0),
00084 applied_(0) {}
00086 ApplyCutsReturnCode(const ApplyCutsReturnCode & rhs):
00087 intInconsistent_(rhs.intInconsistent_),
00088 extInconsistent_(rhs.extInconsistent_),
00089 infeasible_(rhs.infeasible_),
00090 ineffective_(rhs.ineffective_),
00091 applied_(rhs.applied_) {}
00093 ApplyCutsReturnCode & operator=(const ApplyCutsReturnCode& rhs)
00094 {
00095 if (this != &rhs) {
00096 intInconsistent_ = rhs.intInconsistent_;
00097 extInconsistent_ = rhs.extInconsistent_;
00098 infeasible_ = rhs.infeasible_;
00099 ineffective_ = rhs.ineffective_;
00100 applied_ = rhs.applied_;
00101 }
00102 return *this;
00103 }
00105 ~ApplyCutsReturnCode(){}
00107
00110
00111 inline int getNumInconsistent(){return intInconsistent_;}
00113 inline int getNumInconsistentWrtIntegerModel(){return extInconsistent_;}
00115 inline int getNumInfeasible(){return infeasible_;}
00117 inline int getNumIneffective(){return ineffective_;}
00119 inline int getNumApplied(){return applied_;}
00121
00122 private:
00125
00126 inline void incrementInternallyInconsistent(){intInconsistent_++;}
00128 inline void incrementExternallyInconsistent(){extInconsistent_++;}
00130 inline void incrementInfeasible(){infeasible_++;}
00132 inline void incrementIneffective(){ineffective_++;}
00134 inline void incrementApplied(){applied_++;}
00136
00138
00139
00140 int intInconsistent_;
00142 int extInconsistent_;
00144 int infeasible_;
00146 int ineffective_;
00148 int applied_;
00150 };
00151
00152
00153
00155
00156
00157 virtual void initialSolve() = 0;
00158
00160 virtual void resolve() = 0;
00161
00163 virtual void branchAndBound() = 0;
00164
00165 #ifdef CBC_NEXT_VERSION
00166
00183 virtual int solveBranches(int depth,const OsiSolverBranch * branch,
00184 OsiSolverResult * result,
00185 int & numberSolves, int & numberIterations,
00186 bool forceBranch=false);
00187 #endif
00188
00189
00190
00248
00249 virtual bool setIntParam(OsiIntParam key, int value) {
00250 if (key == OsiLastIntParam) return (false) ;
00251 intParam_[key] = value;
00252 return true;
00253 }
00254
00255 virtual bool setDblParam(OsiDblParam key, double value) {
00256 if (key == OsiLastDblParam) return (false) ;
00257 dblParam_[key] = value;
00258 return true;
00259 }
00260
00261 virtual bool setStrParam(OsiStrParam key, const std::string & value) {
00262 if (key == OsiLastStrParam) return (false) ;
00263 strParam_[key] = value;
00264 return true;
00265 }
00266
00267 virtual bool setHintParam(OsiHintParam key, bool yesNo=true,
00268 OsiHintStrength strength=OsiHintTry,
00269 void * otherInformation=NULL) {
00270 if (key==OsiLastHintParam)
00271 return false;
00272 hintParam_[key] = yesNo;
00273 hintStrength_[key] = strength;
00274 if (strength == OsiForceDo)
00275 throw CoinError("OsiForceDo illegal",
00276 "setHintParam", "OsiSolverInterface");
00277 return true;
00278 }
00279
00280 virtual bool getIntParam(OsiIntParam key, int& value) const {
00281 if (key == OsiLastIntParam) return (false) ;
00282 value = intParam_[key];
00283 return true;
00284 }
00285
00286 virtual bool getDblParam(OsiDblParam key, double& value) const {
00287 if (key == OsiLastDblParam) return (false) ;
00288 value = dblParam_[key];
00289 return true;
00290 }
00294 inline double getIntegerTolerance() const
00295 { return dblParam_[OsiPrimalTolerance];};
00296
00297 virtual bool getStrParam(OsiStrParam key, std::string& value) const {
00298 if (key == OsiLastStrParam) return (false) ;
00299 value = strParam_[key];
00300 return true;
00301 }
00302
00303 virtual bool getHintParam(OsiHintParam key, bool& yesNo,
00304 OsiHintStrength& strength,
00305 void *& otherInformation) const {
00306 if (key==OsiLastHintParam)
00307 return false;
00308 yesNo = hintParam_[key];
00309 strength = hintStrength_[key];
00310 otherInformation=NULL;
00311 return true;
00312 }
00313
00314 virtual bool getHintParam(OsiHintParam key, bool& yesNo,
00315 OsiHintStrength& strength) const {
00316 if (key==OsiLastHintParam)
00317 return false;
00318 yesNo = hintParam_[key];
00319 strength = hintStrength_[key];
00320 return true;
00321 }
00322
00323 virtual bool getHintParam(OsiHintParam key, bool& yesNo) const {
00324 if (key==OsiLastHintParam)
00325 return false;
00326 yesNo = hintParam_[key];
00327 return true;
00328 }
00329
00330 void copyParameters(OsiSolverInterface & rhs);
00332
00333
00335
00336
00337 virtual bool isAbandoned() const = 0;
00339 virtual bool isProvenOptimal() const = 0;
00341 virtual bool isProvenPrimalInfeasible() const = 0;
00343 virtual bool isProvenDualInfeasible() const = 0;
00345 virtual bool isPrimalObjectiveLimitReached() const = 0;
00347 virtual bool isDualObjectiveLimitReached() const = 0;
00349 virtual bool isIterationLimitReached() const = 0;
00351
00352
00370 virtual CoinWarmStart *getEmptyWarmStart () const = 0 ;
00371
00378 virtual CoinWarmStart* getWarmStart() const = 0;
00379
00387 virtual bool setWarmStart(const CoinWarmStart* warmstart) = 0;
00389
00390
00411
00412 virtual void markHotStart();
00414 virtual void solveFromHotStart();
00416 virtual void unmarkHotStart();
00418
00419
00430
00431 virtual int getNumCols() const = 0;
00432
00434 virtual int getNumRows() const = 0;
00435
00437 virtual int getNumElements() const = 0;
00438
00440 virtual int getNumIntegers() const ;
00441
00443 virtual const double * getColLower() const = 0;
00444
00446 virtual const double * getColUpper() const = 0;
00447
00457 virtual const char * getRowSense() const = 0;
00458
00471 virtual const double * getRightHandSide() const = 0;
00472
00481 virtual const double * getRowRange() const = 0;
00482
00484 virtual const double * getRowLower() const = 0;
00485
00487 virtual const double * getRowUpper() const = 0;
00488
00490 virtual const double * getObjCoefficients() const = 0;
00491
00493 virtual double getObjSense() const = 0;
00494
00496 virtual bool isContinuous(int colIndex) const = 0;
00497
00499 virtual bool isBinary(int colIndex) const;
00500
00505 virtual bool isInteger(int colIndex) const;
00506
00508 virtual bool isIntegerNonBinary(int colIndex) const;
00509
00511 virtual bool isFreeBinary(int colIndex) const;
00512
00514 virtual const CoinPackedMatrix * getMatrixByRow() const = 0;
00515
00517 virtual const CoinPackedMatrix * getMatrixByCol() const = 0;
00518
00520 virtual CoinPackedMatrix * getMutableMatrixByRow() const {return NULL;};
00521
00523 virtual CoinPackedMatrix * getMutableMatrixByCol() const {return NULL;};
00524
00526 virtual double getInfinity() const = 0;
00528
00531
00532 virtual const double * getColSolution() const = 0;
00533
00535 virtual const double * getRowPrice() const = 0;
00536
00538 virtual const double * getReducedCost() const = 0;
00539
00542 virtual const double * getRowActivity() const = 0;
00543
00545 virtual double getObjValue() const = 0;
00546
00549 virtual int getIterationCount() const = 0;
00550
00564 virtual std::vector<double*> getDualRays(int maxNumRays) const = 0;
00576 virtual std::vector<double*> getPrimalRays(int maxNumRays) const = 0;
00577
00580 virtual OsiVectorInt getFractionalIndices(const double etol=1.e-05)
00581 const;
00583
00584
00597 virtual void setObjCoeff( int elementIndex, double elementValue ) = 0;
00598
00600 virtual void setObjCoeffSet(const int* indexFirst,
00601 const int* indexLast,
00602 const double* coeffList);
00603
00606 virtual void setColLower( int elementIndex, double elementValue ) = 0;
00607
00610 virtual void setColUpper( int elementIndex, double elementValue ) = 0;
00611
00615 virtual void setColBounds( int elementIndex,
00616 double lower, double upper ) {
00617 setColLower(elementIndex, lower);
00618 setColUpper(elementIndex, upper);
00619 }
00620
00627 virtual void setColSetBounds(const int* indexFirst,
00628 const int* indexLast,
00629 const double* boundList);
00630
00633 virtual void setRowLower( int elementIndex, double elementValue ) = 0;
00634
00637 virtual void setRowUpper( int elementIndex, double elementValue ) = 0;
00638
00642 virtual void setRowBounds( int elementIndex,
00643 double lower, double upper ) {
00644 setRowLower(elementIndex, lower);
00645 setRowUpper(elementIndex, upper);
00646 }
00647
00649 virtual void setRowType(int index, char sense, double rightHandSide,
00650 double range) = 0;
00651
00656 virtual void setRowSetBounds(const int* indexFirst,
00657 const int* indexLast,
00658 const double* boundList);
00659
00664 virtual void setRowSetTypes(const int* indexFirst,
00665 const int* indexLast,
00666 const char* senseList,
00667 const double* rhsList,
00668 const double* rangeList);
00669
00672 virtual void setObjSense(double s) = 0;
00673
00683 virtual void setColSolution(const double *colsol) = 0;
00684
00695 virtual void setRowPrice(const double * rowprice) = 0;
00696
00701 virtual void setObjective(const double * array);
00702
00707 virtual void setColLower(const double * array);
00708
00713 virtual void setColUpper(const double * array);
00715
00716
00720 virtual void setContinuous(int index) = 0;
00722 virtual void setInteger(int index) = 0;
00725 virtual void setContinuous(const int* indices, int len);
00728 virtual void setInteger(const int* indices, int len);
00730
00731
00732
00733
00735 typedef std::vector<std::string> OsiNameVec ;
00736
00757
00767 virtual std::string dfltRowColName(char rc,
00768 int ndx, unsigned digits = 7) const ;
00769
00772 virtual std::string getObjName (unsigned maxLen = std::string::npos) const ;
00773
00776 virtual inline void setObjName (std::string name)
00777 { objName_ = name ; }
00778
00785 virtual std::string getRowName(int rowIndex,
00786 unsigned maxLen = std::string::npos) const ;
00787
00799 virtual const OsiNameVec &getRowNames() ;
00800
00806 virtual void setRowName(int ndx, std::string name) ;
00807
00814 virtual void setRowNames(OsiNameVec &srcNames,
00815 int srcStart, int len, int tgtStart) ;
00816
00822 virtual void deleteRowNames(int tgtStart, int len) ;
00823
00830 virtual std::string getColName(int colIndex,
00831 unsigned maxLen = std::string::npos) const ;
00832
00842 virtual const OsiNameVec &getColNames() ;
00843
00849 virtual void setColName(int ndx, std::string name) ;
00850
00857 virtual void setColNames(OsiNameVec &srcNames,
00858 int srcStart, int len, int tgtStart) ;
00859
00865 virtual void deleteColNames(int tgtStart, int len) ;
00866
00867
00874 void setRowColNames(const CoinMpsIO &mps) ;
00875
00881 void setRowColNames(CoinModel &mod) ;
00882
00889 void setRowColNames(CoinLpIO &mod) ;
00890
00892
00893
00894
00900
00902 virtual void addCol(const CoinPackedVectorBase& vec,
00903 const double collb, const double colub,
00904 const double obj) = 0;
00905
00911 virtual void addCol(const CoinPackedVectorBase& vec,
00912 const double collb, const double colub,
00913 const double obj, std::string name) ;
00914
00916 virtual void addCol(int numberElements,
00917 const int* rows, const double* elements,
00918 const double collb, const double colub,
00919 const double obj) ;
00920
00926 virtual void addCol(int numberElements,
00927 const int* rows, const double* elements,
00928 const double collb, const double colub,
00929 const double obj, std::string name) ;
00930
00936 virtual void addCols(const int numcols,
00937 const CoinPackedVectorBase * const * cols,
00938 const double* collb, const double* colub,
00939 const double* obj);
00940
00946 virtual void addCols(const int numcols, const int* columnStarts,
00947 const int* rows, const double* elements,
00948 const double* collb, const double* colub,
00949 const double* obj);
00950
00952 void addCols(const CoinBuild & buildObject);
00953
00959 int addCols(CoinModel & modelObject);
00960
00961 #if 0
00962
00963 virtual void addCols(const CoinPackedMatrix& matrix,
00964 const double* collb, const double* colub,
00965 const double* obj);
00966 #endif
00967
00974 virtual void deleteCols(const int num, const int * colIndices) = 0;
00975
00977 virtual void addRow(const CoinPackedVectorBase& vec,
00978 const double rowlb, const double rowub) = 0;
00979
00985 virtual void addRow(const CoinPackedVectorBase& vec,
00986 const double rowlb, const double rowub,
00987 std::string name) ;
00988
00990 virtual void addRow(const CoinPackedVectorBase& vec,
00991 const char rowsen, const double rowrhs,
00992 const double rowrng) = 0;
00993
00999 virtual void addRow(const CoinPackedVectorBase& vec,
01000 const char rowsen, const double rowrhs,
01001 const double rowrng, std::string name) ;
01002
01007 virtual void addRow(int numberElements,
01008 const int *columns, const double *element,
01009 const double rowlb, const double rowub) ;
01010
01016 virtual void addRows(const int numrows,
01017 const CoinPackedVectorBase * const * rows,
01018 const double* rowlb, const double* rowub);
01019
01025 virtual void addRows(const int numrows,
01026 const CoinPackedVectorBase * const * rows,
01027 const char* rowsen, const double* rowrhs,
01028 const double* rowrng);
01029
01035 virtual void addRows(const int numrows, const int *rowStarts,
01036 const int *columns, const double *element,
01037 const double *rowlb, const double *rowub);
01038
01040 void addRows(const CoinBuild &buildObject);
01041
01050 int addRows(CoinModel &modelObject);
01051
01052 #if 0
01053
01054 virtual void addRows(const CoinPackedMatrix& matrix,
01055 const double* rowlb, const double* rowub);
01057 virtual void addRows(const CoinPackedMatrix& matrix,
01058 const char* rowsen, const double* rowrhs,
01059 const double* rowrng);
01060 #endif
01061
01067 virtual void deleteRows(const int num, const int * rowIndices) = 0;
01068
01069
01092 virtual ApplyCutsReturnCode applyCuts(const OsiCuts & cs,
01093 double effectivenessLb = 0.0);
01094
01099 virtual void applyRowCuts(int numberCuts, const OsiRowCut * cuts);
01100
01104 virtual void applyRowCuts(int numberCuts, const OsiRowCut ** cuts);
01105
01107 void deleteBranchingInfo(int numberDeleted, const int * which);
01108
01110
01111
01112
01126 virtual void loadProblem(const CoinPackedMatrix& matrix,
01127 const double* collb, const double* colub,
01128 const double* obj,
01129 const double* rowlb, const double* rowub) = 0;
01130
01140 virtual void assignProblem(CoinPackedMatrix*& matrix,
01141 double*& collb, double*& colub, double*& obj,
01142 double*& rowlb, double*& rowub) = 0;
01143
01156 virtual void loadProblem(const CoinPackedMatrix& matrix,
01157 const double* collb, const double* colub,
01158 const double* obj,
01159 const char* rowsen, const double* rowrhs,
01160 const double* rowrng) = 0;
01161
01171 virtual void assignProblem(CoinPackedMatrix*& matrix,
01172 double*& collb, double*& colub, double*& obj,
01173 char*& rowsen, double*& rowrhs,
01174 double*& rowrng) = 0;
01175
01178 virtual void loadProblem(const int numcols, const int numrows,
01179 const CoinBigIndex * start, const int* index,
01180 const double* value,
01181 const double* collb, const double* colub,
01182 const double* obj,
01183 const double* rowlb, const double* rowub) = 0;
01184
01187 virtual void loadProblem(const int numcols, const int numrows,
01188 const CoinBigIndex * start, const int* index,
01189 const double* value,
01190 const double* collb, const double* colub,
01191 const double* obj,
01192 const char* rowsen, const double* rowrhs,
01193 const double* rowrng) = 0;
01199 virtual int loadFromCoinModel ( CoinModel & modelObject, bool keepSolution=false);
01200
01206 virtual int readMps(const char *filename,
01207 const char *extension = "mps") ;
01208
01215 virtual int readMps(const char *filename, const char*extension,
01216 int & numberSets, CoinSet ** & sets);
01217
01222 virtual int readGMPL(const char *filename, const char * dataname=NULL);
01229 virtual void writeMps(const char *filename,
01230 const char *extension = "mps",
01231 double objSense=0.0) const = 0;
01232
01245 int writeMpsNative(const char *filename,
01246 const char ** rowNames, const char ** columnNames,
01247 int formatType=0,int numberAcross=2,
01248 double objSense=0.0, int numberSOS=0,
01249 const CoinSet * setInfo=NULL) const ;
01250
01251
01252
01253
01273 virtual void writeLp(const char *filename,
01274 const char *extension = "lp",
01275 double epsilon = 1e-5,
01276 int numberAcross = 10,
01277 int decimals = 5,
01278 double objSense = 0.0,
01279 bool useRowNames = true) const;
01280
01285 virtual void writeLp(FILE *fp,
01286 double epsilon = 1e-5,
01287 int numberAcross = 10,
01288 int decimals = 5,
01289 double objSense = 0.0,
01290 bool useRowNames = true) const;
01291
01310 int writeLpNative(const char *filename,
01311 char const * const * const rowNames,
01312 char const * const * const columnNames,
01313 const double epsilon = 1.0e-5,
01314 const int numberAcross = 10,
01315 const int decimals = 5,
01316 const double objSense = 0.0,
01317 const bool useRowNames = true) const;
01318
01323 int writeLpNative(FILE *fp,
01324 char const * const * const rowNames,
01325 char const * const * const columnNames,
01326 const double epsilon = 1.0e-5,
01327 const int numberAcross = 10,
01328 const int decimals = 5,
01329 const double objSense = 0.0,
01330 const bool useRowNames = true) const;
01331
01334 virtual int readLp(const char *filename, const double epsilon = 1e-5);
01335
01338 int readLp(FILE *fp, const double epsilon = 1e-5);
01339
01345 virtual void replaceMatrixOptional(const CoinPackedMatrix & matrix) {};
01347 virtual void replaceMatrix(const CoinPackedMatrix & matrix) {abort();};
01349
01350
01351
01354 #ifdef COIN_SNAPSHOT
01356 virtual CoinSnapshot * snapshot(bool createArrays=true) const;
01357 #endif
01358
01359
01360
01361
01371 void setApplicationData (void * appData);
01378 void setAuxiliaryInfo(OsiAuxInfo * auxiliaryInfo);
01379
01381 void * getApplicationData() const;
01383 OsiAuxInfo * getAuxiliaryInfo() const;
01385
01386
01400 void passInMessageHandler(CoinMessageHandler * handler);
01402 void newLanguage(CoinMessages::Language language);
01403 void setLanguage(CoinMessages::Language language)
01404 {newLanguage(language);};
01406 CoinMessageHandler * messageHandler() const
01407 {return handler_;};
01409 CoinMessages messages()
01410 {return messages_;};
01412 CoinMessages * messagesPointer()
01413 {return &messages_;};
01415
01430 void findIntegers(bool justCount);
01441 virtual int findIntegersAndSOS(bool justCount);
01443 inline int numberObjects() const { return numberObjects_;};
01445 inline void setNumberObjects(int number)
01446 { numberObjects_=number;};
01447
01449 inline OsiObject ** objects() const { return object_;};
01450
01452 const inline OsiObject * object(int which) const { return object_[which];};
01454 inline OsiObject * modifiableObject(int which) const { return object_[which];};
01455
01457 void deleteObjects();
01458
01463 void addObjects(int numberObjects, OsiObject ** objects);
01468 double forceFeasible();
01470
01471
01480 virtual void activateRowCutDebugger (const char * modelName);
01481
01487 virtual void activateRowCutDebugger( const double * solution);
01497 const OsiRowCutDebugger * getRowCutDebugger() const;
01499 const OsiRowCutDebugger * getRowCutDebuggerAlways() const;
01500
01502
01503
01511 public:
01513
01514
01517 virtual int canDoSimplexInterface() const;
01524 virtual void enableSimplexInterface(bool doingPrimal) ;
01525
01527 virtual void disableSimplexInterface() ;
01528
01535 virtual void enableFactorization() const;
01537 virtual void disableFactorization() const;
01538
01543 virtual bool basisIsAvailable() const ;
01545 inline bool optimalBasisIsAvailable() const
01546 { return basisIsAvailable();};
01547
01560 virtual void getBasisStatus(int* cstat, int* rstat) const ;
01561
01568 virtual int setBasisStatus(const int* cstat, const int* rstat) ;
01569
01577 virtual int pivot(int colIn, int colOut, int outStatus) ;
01578
01590 virtual int primalPivotResult(int colIn, int sign,
01591 int& colOut, int& outStatus,
01592 double& t, CoinPackedVector* dx);
01593
01600 virtual int dualPivotResult(int& colIn, int& sign,
01601 int colOut, int outStatus,
01602 double& t, CoinPackedVector* dx) ;
01603
01605 virtual void getReducedGradient(double* columnReducedCosts,
01606 double * duals,
01607 const double * c) ;
01608
01611 virtual void setObjectiveAndRefresh(double* c) ;
01612
01614 virtual void getBInvARow(int row, double* z, double * slack=NULL) const ;
01615
01617 virtual void getBInvRow(int row, double* z) const ;
01618
01620 virtual void getBInvACol(int col, double* vec) const ;
01621
01623 virtual void getBInvCol(int col, double* vec) const ;
01624
01629 virtual void getBasics(int* index) const ;
01631
01632
01633
01635
01636
01637 OsiSolverInterface();
01638
01644 virtual OsiSolverInterface * clone(bool copyData = true) const = 0;
01645
01647 OsiSolverInterface(const OsiSolverInterface &);
01648
01650 OsiSolverInterface & operator=(const OsiSolverInterface& rhs);
01651
01653 virtual ~OsiSolverInterface ();
01654
01661 virtual void reset();
01663
01664
01665
01666 protected:
01668
01669
01670 virtual void applyRowCut( const OsiRowCut & rc ) = 0;
01671
01673 virtual void applyColCut( const OsiColCut & cc ) = 0;
01674
01677 inline void
01678 convertBoundToSense(const double lower, const double upper,
01679 char& sense, double& right, double& range) const;
01682 inline void
01683 convertSenseToBound(const char sense, const double right,
01684 const double range,
01685 double& lower, double& upper) const;
01688 template <class T> inline T
01689 forceIntoRange(const T value, const T lower, const T upper) const {
01690 return value < lower ? lower : (value > upper ? upper : value);
01691 }
01698 void setInitialData();
01700
01702
01703
01704 OsiRowCutDebugger * rowCutDebugger_;
01705
01707 CoinMessageHandler * handler_;
01713 bool defaultHandler_;
01715 CoinMessages messages_;
01717 int numberIntegers_;
01719 int numberObjects_;
01720
01722 OsiObject ** object_;
01723
01725
01726
01727
01728 private:
01730
01731
01732 OsiAuxInfo * appDataEtc_;
01734 int intParam_[OsiLastIntParam];
01736 double dblParam_[OsiLastDblParam];
01738 std::string strParam_[OsiLastStrParam];
01740 bool hintParam_[OsiLastHintParam];
01742 OsiHintStrength hintStrength_[OsiLastHintParam];
01745 CoinWarmStart* ws_;
01746
01748 OsiNameVec rowNames_ ;
01750 OsiNameVec colNames_ ;
01752 std::string objName_ ;
01753
01755 };
01756
01757
01765 void
01766 OsiSolverInterfaceCommonUnitTest(
01767 const OsiSolverInterface* emptySi,
01768 const std::string & mpsDir,
01769 const std::string & netlibDir);
01770
01771
01774 void
01775 OsiSolverInterfaceMpsUnitTest(
01776 const std::vector<OsiSolverInterface*> & vecSiP,
01777 const std::string & mpsDir);
01778
01779
01782 inline void
01783 OsiSolverInterface::convertBoundToSense(const double lower, const double upper,
01784 char& sense, double& right,
01785 double& range) const
01786 {
01787 double inf = getInfinity();
01788 range = 0.0;
01789 if (lower > -inf) {
01790 if (upper < inf) {
01791 right = upper;
01792 if (upper==lower) {
01793 sense = 'E';
01794 } else {
01795 sense = 'R';
01796 range = upper - lower;
01797 }
01798 } else {
01799 sense = 'G';
01800 right = lower;
01801 }
01802 } else {
01803 if (upper < inf) {
01804 sense = 'L';
01805 right = upper;
01806 } else {
01807 sense = 'N';
01808 right = 0.0;
01809 }
01810 }
01811 }
01812
01813
01816 inline void
01817 OsiSolverInterface::convertSenseToBound(const char sense, const double right,
01818 const double range,
01819 double& lower, double& upper) const
01820 {
01821 double inf=getInfinity();
01822 switch (sense) {
01823 case 'E':
01824 lower = upper = right;
01825 break;
01826 case 'L':
01827 lower = -inf;
01828 upper = right;
01829 break;
01830 case 'G':
01831 lower = right;
01832 upper = inf;
01833 break;
01834 case 'R':
01835 lower = right - range;
01836 upper = right;
01837 break;
01838 case 'N':
01839 lower = -inf;
01840 upper = inf;
01841 break;
01842 }
01843 }
01844
01845 #endif