/home/coin/SVN-release/Bcp-1.2.1/Clp/src/ClpModel.hpp

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00001 // Copyright (C) 2002, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef ClpModel_H
00004 #define ClpModel_H
00005 
00006 #include "ClpConfig.h"
00007 
00008 #include <iostream>
00009 #include <cassert>
00010 #include <cmath>
00011 #include <vector>
00012 #include <string>
00013 //#ifndef COIN_USE_CLP
00014 //#define COIN_USE_CLP
00015 //#endif
00016 #include "ClpPackedMatrix.hpp"
00017 #include "CoinMessageHandler.hpp"
00018 #include "CoinHelperFunctions.hpp"
00019 #include "ClpParameters.hpp"
00020 #include "ClpObjective.hpp"
00021 class ClpEventHandler;
00022 
00023 // Plus infinity
00024 #ifndef COIN_DBL_MAX
00025 #define COIN_DBL_MAX DBL_MAX
00026 #endif
00027 
00037 class CoinBuild;
00038 class CoinModel;
00039 class ClpModel {
00040 
00041 public:
00042 
00048 
00049     ClpModel (bool emptyMessages=false  );
00050 
00055     ClpModel(const ClpModel & rhs, int scalingMode=-1);
00057     ClpModel & operator=(const ClpModel & rhs);
00062     ClpModel (const ClpModel * wholeModel,
00063       int numberRows, const int * whichRows,
00064       int numberColumns, const int * whichColumns,
00065               bool dropNames=true, bool dropIntegers=true);
00067     ~ClpModel (  );
00069 
00083   void loadProblem (  const ClpMatrixBase& matrix,
00084                      const double* collb, const double* colub,   
00085                      const double* obj,
00086                      const double* rowlb, const double* rowub,
00087                       const double * rowObjective=NULL);
00088   void loadProblem (  const CoinPackedMatrix& matrix,
00089                      const double* collb, const double* colub,   
00090                      const double* obj,
00091                      const double* rowlb, const double* rowub,
00092                       const double * rowObjective=NULL);
00093 
00096   void loadProblem (  const int numcols, const int numrows,
00097                      const CoinBigIndex* start, const int* index,
00098                      const double* value,
00099                      const double* collb, const double* colub,   
00100                      const double* obj,
00101                       const double* rowlb, const double* rowub,
00102                       const double * rowObjective=NULL);
00108   int loadProblem (  CoinModel & modelObject,bool tryPlusMinusOne=false);
00110   void loadProblem (  const int numcols, const int numrows,
00111                      const CoinBigIndex* start, const int* index,
00112                       const double* value,const int * length,
00113                      const double* collb, const double* colub,   
00114                      const double* obj,
00115                       const double* rowlb, const double* rowub,
00116                       const double * rowObjective=NULL);
00118   void loadQuadraticObjective(const int numberColumns, 
00119                               const CoinBigIndex * start,
00120                               const int * column, const double * element);
00121   void loadQuadraticObjective (  const CoinPackedMatrix& matrix);
00123   void deleteQuadraticObjective();
00125   void setRowObjective(const double * rowObjective);
00127   int readMps(const char *filename,
00128               bool keepNames=false,
00129               bool ignoreErrors = false);
00131   int readGMPL(const char *filename,const char * dataName,
00132                bool keepNames=false);
00134   void copyInIntegerInformation(const char * information);
00136   void deleteIntegerInformation();
00138   void setContinuous(int index);
00140   void setInteger(int index);
00142   bool isInteger(int index) const;
00144   void resize (int newNumberRows, int newNumberColumns);
00146   void deleteRows(int number, const int * which);
00148   void addRow(int numberInRow, const int * columns,
00149                const double * elements, double rowLower=-COIN_DBL_MAX, 
00150               double rowUpper=COIN_DBL_MAX);
00152   void addRows(int number, const double * rowLower, 
00153                const double * rowUpper,
00154                const CoinBigIndex * rowStarts, const int * columns,
00155                const double * elements);
00157   void addRows(int number, const double * rowLower, 
00158                const double * rowUpper,
00159                const CoinBigIndex * rowStarts, const int * rowLengths,
00160                const int * columns,
00161                const double * elements);
00162 #ifndef CLP_NO_VECTOR
00163   void addRows(int number, const double * rowLower, 
00164                const double * rowUpper,
00165                const CoinPackedVectorBase * const * rows);
00166 #endif
00167 
00172   int addRows(const CoinBuild & buildObject,bool tryPlusMinusOne=false,
00173                bool checkDuplicates=true);
00182   int addRows(CoinModel & modelObject,bool tryPlusMinusOne=false,
00183               bool checkDuplicates=true);
00184 
00186   void deleteColumns(int number, const int * which);
00188   void addColumn(int numberInColumn,
00189                  const int * rows,
00190                  const double * elements,
00191                  double columnLower=0.0, 
00192                  double  columnUpper=COIN_DBL_MAX,
00193                  double  objective=0.0);
00195   void addColumns(int number, const double * columnLower, 
00196                   const double * columnUpper,
00197                   const double * objective,
00198                   const CoinBigIndex * columnStarts, const int * rows,
00199                   const double * elements);
00200   void addColumns(int number, const double * columnLower, 
00201                   const double * columnUpper,
00202                   const double * objective,
00203                   const CoinBigIndex * columnStarts, const int * columnLengths,
00204                   const int * rows,
00205                   const double * elements);
00206 #ifndef CLP_NO_VECTOR
00207   void addColumns(int number, const double * columnLower, 
00208                const double * columnUpper,
00209                   const double * objective,
00210                const CoinPackedVectorBase * const * columns);
00211 #endif
00212 
00217   int addColumns(const CoinBuild & buildObject,bool tryPlusMinusOne=false,
00218                   bool checkDuplicates=true);
00226   int addColumns(CoinModel & modelObject,bool tryPlusMinusOne=false,
00227                  bool checkDuplicates=true);
00229   inline void modifyCoefficient(int row, int column, double newElement,
00230                            bool keepZero=false)
00231         {matrix_->modifyCoefficient(row,column,newElement,keepZero);}
00233   void chgRowLower(const double * rowLower);
00235   void chgRowUpper(const double * rowUpper);
00237   void chgColumnLower(const double * columnLower);
00239   void chgColumnUpper(const double * columnUpper);
00241   void chgObjCoefficients(const double * objIn); 
00245   void borrowModel(ClpModel & otherModel);
00248   void returnModel(ClpModel & otherModel);
00249 
00251   void createEmptyMatrix();
00259   int cleanMatrix(double threshold=1.0e-20);
00261   void copy(const ClpMatrixBase * from, ClpMatrixBase * & to);
00262 #ifndef CLP_NO_STD
00264   void dropNames();
00266   void copyNames(std::vector<std::string> & rowNames,
00267                  std::vector<std::string> & columnNames);
00269   void copyRowNames(const std::vector<std::string> & rowNames,int first, int last);
00271   void copyColumnNames(const std::vector<std::string> & columnNames, int first, int last);
00273   void copyRowNames(const char * const * rowNames,int first, int last);
00275   void copyColumnNames(const char * const * columnNames, int first, int last);
00277   void setRowName(int rowIndex, std::string & name) ;
00279   void setColumnName(int colIndex, std::string & name) ;
00280 #endif
00281 
00288   int findNetwork(char * rotate, double fractionNeeded=0.75);
00291   CoinModel * createCoinModel() const;
00292 
00305     int writeMps(const char *filename, 
00306                   int formatType=0,int numberAcross=2,
00307                  double objSense=0.0) const ;
00309 
00311 
00312    inline int numberRows() const {
00313       return numberRows_;
00314    }
00315    inline int getNumRows() const {
00316       return numberRows_;
00317    }
00319    inline int getNumCols() const {
00320       return numberColumns_;
00321    }
00322    inline int numberColumns() const {
00323       return numberColumns_;
00324    }
00326    inline double primalTolerance() const {
00327       return dblParam_[ClpPrimalTolerance];
00328    }
00329    void setPrimalTolerance( double value) ;
00331    inline double dualTolerance() const  { return dblParam_[ClpDualTolerance]; }
00332    void setDualTolerance( double value) ;
00334   inline double primalObjectiveLimit() const { return dblParam_[ClpPrimalObjectiveLimit];}
00335   void setPrimalObjectiveLimit(double value);
00337   inline double dualObjectiveLimit() const { return dblParam_[ClpDualObjectiveLimit];}
00338   void setDualObjectiveLimit(double value);
00340   inline double objectiveOffset() const { return dblParam_[ClpObjOffset];}
00341   void setObjectiveOffset(double value);
00343   inline double presolveTolerance() const
00344   { return dblParam_[ClpPresolveTolerance];}
00345 #ifndef CLP_NO_STD
00346   inline std::string problemName() const { return strParam_[ClpProbName]; }
00347 #endif
00349    inline int numberIterations() const  { return numberIterations_; }
00350    inline int getIterationCount() const { return numberIterations_; }
00351   inline void setNumberIterations(int numberIterations)
00352   { numberIterations_ = numberIterations;}
00354   inline int solveType() const
00355   { return solveType_;}
00356   inline void setSolveType(int type)
00357   { solveType_=type;}
00359    inline int maximumIterations() const { return intParam_[ClpMaxNumIteration]; }
00360    void setMaximumIterations(int value);
00362    inline double maximumSeconds() const { return dblParam_[ClpMaxSeconds]; }
00363    void setMaximumSeconds(double value);
00365   bool hitMaximumIterations() const;
00375    inline int status() const            { return problemStatus_; }
00376    inline int problemStatus() const            { return problemStatus_; }
00378   inline void setProblemStatus(int problemStatus)
00379   { problemStatus_ = problemStatus;}
00394    inline int secondaryStatus() const            { return secondaryStatus_; }
00395   inline void setSecondaryStatus(int status)
00396   { secondaryStatus_ = status;}
00398    inline bool isAbandoned() const             { return problemStatus_==4; }
00400    inline bool isProvenOptimal() const         { return problemStatus_==0; }
00402    inline bool isProvenPrimalInfeasible() const { return problemStatus_==1; }
00404    inline bool isProvenDualInfeasible() const  { return problemStatus_==2; }
00406    bool isPrimalObjectiveLimitReached() const ;
00408    bool isDualObjectiveLimitReached() const ;
00410    inline bool isIterationLimitReached() const { return problemStatus_==3; }
00412    inline double optimizationDirection() const {
00413       return  optimizationDirection_;
00414    }
00415    inline double getObjSense() const    { return optimizationDirection_; }
00416    void setOptimizationDirection(double value);
00418    inline double * primalRowSolution() const    { return rowActivity_; }
00419    inline const double * getRowActivity() const { return rowActivity_; }
00421    inline double * primalColumnSolution() const { return columnActivity_; }
00422    inline const double * getColSolution() const { return columnActivity_; }
00423    inline void setColSolution(const double * input)
00424    { memcpy(columnActivity_,input,numberColumns_*sizeof(double));}
00426    inline double * dualRowSolution() const      { return dual_; }
00427    inline const double * getRowPrice() const    { return dual_; }
00429    inline double * dualColumnSolution() const   { return reducedCost_; }
00430    inline const double * getReducedCost() const { return reducedCost_; }
00432    inline double* rowLower() const              { return rowLower_; }
00433    inline const double* getRowLower() const     { return rowLower_; }
00435    inline double* rowUpper() const              { return rowUpper_; }
00436    inline const double* getRowUpper() const     { return rowUpper_; }
00437     //-------------------------------------------------------------------------
00441        void setObjectiveCoefficient( int elementIndex, double elementValue );
00443        inline void setObjCoeff( int elementIndex, double elementValue )
00444        { setObjectiveCoefficient( elementIndex, elementValue);}
00445 
00448        void setColumnLower( int elementIndex, double elementValue );
00449       
00452        void setColumnUpper( int elementIndex, double elementValue );
00453 
00455       void setColumnBounds( int elementIndex,
00456         double lower, double upper );
00457 
00466       void setColumnSetBounds(const int* indexFirst,
00467                                    const int* indexLast,
00468                                    const double* boundList);
00469       
00472        inline void setColLower( int elementIndex, double elementValue )
00473        { setColumnLower(elementIndex, elementValue);}
00476        inline void setColUpper( int elementIndex, double elementValue )
00477        { setColumnUpper(elementIndex, elementValue);}
00478 
00480       inline void setColBounds( int elementIndex,
00481         double lower, double upper )
00482        { setColumnBounds(elementIndex, lower, upper);}
00483 
00490       inline void setColSetBounds(const int* indexFirst,
00491                                    const int* indexLast,
00492                                    const double* boundList)
00493       { setColumnSetBounds(indexFirst, indexLast, boundList);}
00494       
00497       void setRowLower( int elementIndex, double elementValue );
00498       
00501       void setRowUpper( int elementIndex, double elementValue ) ;
00502     
00504       void setRowBounds( int elementIndex,
00505                                  double lower, double upper ) ;
00506     
00513       void setRowSetBounds(const int* indexFirst,
00514                                    const int* indexLast,
00515                                    const double* boundList);
00516     
00518 
00519    inline const double * rowScale() const {return rowScale_;}
00520    inline const double * columnScale() const {return columnScale_;}
00521    inline const double * inverseRowScale() const {return inverseRowScale_;}
00522    inline const double * inverseColumnScale() const {return inverseColumnScale_;}
00523    inline double * mutableRowScale() const {return rowScale_;}
00524    inline double * mutableColumnScale() const {return columnScale_;}
00525    inline double * mutableInverseRowScale() const {return inverseRowScale_;}
00526    inline double * mutableInverseColumnScale() const {return inverseColumnScale_;}
00527    void setRowScale(double * scale) ;
00528    void setColumnScale(double * scale);
00530   inline double objectiveScale() const 
00531           { return objectiveScale_;} 
00532   inline void setObjectiveScale(double value)
00533           { objectiveScale_ = value;} 
00535   inline double rhsScale() const 
00536           { return rhsScale_;} 
00537   inline void setRhsScale(double value)
00538           { rhsScale_ = value;} 
00540    void scaling(int mode=1);
00543   void unscale();
00545    inline int scalingFlag() const {return scalingFlag_;}
00547    inline double * objective() const            
00548   {
00549     if (objective_) {
00550       double offset; 
00551       return objective_->gradient(NULL,NULL,offset,false);
00552     } else {
00553       return NULL;
00554     }
00555   }
00556    inline double * objective(const double * solution, double & offset,bool refresh=true) const            
00557   {
00558     offset=0.0;
00559     if (objective_) {
00560       return objective_->gradient(NULL,solution,offset,refresh);
00561     } else {
00562       return NULL;
00563     }
00564   }
00565    inline const double * getObjCoefficients() const 
00566   { 
00567     if (objective_) {
00568       double offset; 
00569       return objective_->gradient(NULL,NULL,offset,false);
00570     } else {
00571       return NULL;
00572     }
00573   }
00575    inline double * rowObjective() const         { return rowObjective_; }
00576    inline const double * getRowObjCoefficients() const {
00577       return rowObjective_;
00578    }
00580    inline double * columnLower() const          { return columnLower_; }
00581    inline const double * getColLower() const    { return columnLower_; }
00583    inline double * columnUpper() const          { return columnUpper_; }
00584    inline const double * getColUpper() const    { return columnUpper_; }
00586    inline CoinPackedMatrix * matrix() const {
00587      if ( matrix_ == NULL ) return NULL;
00588      else return matrix_->getPackedMatrix();
00589    }
00591    inline int getNumElements() const 
00592      { return matrix_->getNumElements();}
00595    inline double getSmallElementValue() const
00596   { return smallElement_;}
00597   inline void setSmallElementValue(double value)
00598   { smallElement_=value;} 
00600    inline ClpMatrixBase * rowCopy() const       { return rowCopy_; }
00602    inline ClpMatrixBase * clpMatrix() const     { return matrix_; }
00604    inline ClpPackedMatrix * clpScaledMatrix() const     { return scaledMatrix_; }
00606    inline void setClpScaledMatrix(ClpPackedMatrix * scaledMatrix)
00607   { delete scaledMatrix_; scaledMatrix_=scaledMatrix; }
00613    void replaceMatrix(ClpMatrixBase * matrix,bool deleteCurrent=false);
00619    inline void replaceMatrix(CoinPackedMatrix * matrix,
00620                              bool deleteCurrent=false)
00621   { replaceMatrix(new ClpPackedMatrix(matrix),deleteCurrent);}
00623    inline double objectiveValue() const {
00624       return objectiveValue_*optimizationDirection_ - dblParam_[ClpObjOffset];
00625    }
00626   inline void setObjectiveValue(double value) {
00627     objectiveValue_ = (value+ dblParam_[ClpObjOffset])/optimizationDirection_;
00628    }
00629    inline double getObjValue() const {
00630       return objectiveValue_*optimizationDirection_ - dblParam_[ClpObjOffset];
00631    }
00633    inline char * integerInformation() const     { return integerType_; }
00636    double * infeasibilityRay() const;
00637    double * unboundedRay() const;
00639   inline bool statusExists() const
00640   { return (status_!=NULL);}
00642   inline unsigned char *  statusArray() const
00643   { return status_;}
00646   unsigned char *  statusCopy() const;
00648   void copyinStatus(const unsigned char * statusArray);
00649 
00651   inline void setUserPointer (void * pointer)
00652   { userPointer_=pointer;}
00653   inline void * getUserPointer () const
00654   { return userPointer_;}
00656   inline int whatsChanged() const 
00657           { return whatsChanged_;} 
00658   inline void setWhatsChanged(int value)
00659           { whatsChanged_ = value;} 
00661   inline int numberThreads() const 
00662           { return numberThreads_;} 
00663   inline void setNumberThreads(int value)
00664           { numberThreads_ = value;} 
00666 
00668 
00669    void passInMessageHandler(CoinMessageHandler * handler);
00671   CoinMessageHandler * pushMessageHandler(CoinMessageHandler * handler,
00672                                           bool & oldDefault);
00674   void popMessageHandler(CoinMessageHandler * oldHandler,bool oldDefault);
00676    void newLanguage(CoinMessages::Language language);
00677    inline void setLanguage(CoinMessages::Language language) { newLanguage(language); }
00679    inline CoinMessageHandler * messageHandler() const       { return handler_; }
00681    inline CoinMessages messages() const                     { return messages_; }
00683    inline CoinMessages * messagesPointer()                  { return & messages_; }
00685    inline CoinMessages coinMessages() const                  { return coinMessages_; }
00687    inline CoinMessages * coinMessagesPointer()                  { return & coinMessages_; }
00696    inline void setLogLevel(int value)    { handler_->setLogLevel(value); }
00697    inline int logLevel() const           { return handler_->logLevel(); }
00699    inline bool defaultHandler() const
00700    { return defaultHandler_;}
00702    void passInEventHandler(const ClpEventHandler * eventHandler);
00704    inline ClpEventHandler * eventHandler() const
00705   { return eventHandler_;}
00707   inline CoinThreadRandom * randomNumberGenerator() 
00708   { return &randomNumberGenerator_;}
00710   inline CoinThreadRandom & mutableRandomNumberGenerator()
00711   { return randomNumberGenerator_;}
00713   inline void setRandomSeed(int value)
00714   { randomNumberGenerator_.setSeed(value);}
00716    inline int lengthNames() const { return lengthNames_; }
00717 #ifndef CLP_NO_STD
00719    inline void setLengthNames(int value) { lengthNames_=value; }
00721    inline const std::vector<std::string> * rowNames() const {
00722       return &rowNames_;
00723    }
00724    inline const std::string& rowName(int iRow) const {
00725       return rowNames_[iRow];
00726    }
00728    std::string getRowName(int iRow) const;
00730    inline const std::vector<std::string> * columnNames() const {
00731       return &columnNames_;
00732    }
00733    inline const std::string& columnName(int iColumn) const {
00734       return columnNames_[iColumn];
00735    }
00737    std::string getColumnName(int iColumn) const;
00738 #endif
00740   inline ClpObjective * objectiveAsObject() const
00741   { return objective_;}
00742   void setObjective(ClpObjective * objective);
00743   inline void setObjectivePointer(ClpObjective * objective)
00744   { objective_ = objective;}
00747   int emptyProblem(int * infeasNumber=NULL, double * infeasSum=NULL,bool printMessage=true);
00748   
00750 
00759    void times(double scalar,
00760                        const double * x, double * y) const;
00764     void transposeTimes(double scalar,
00765                                 const double * x, double * y) const ;
00767 
00768 
00769   //---------------------------------------------------------------------------
00787 
00788     bool setIntParam(ClpIntParam key, int value) ;
00790     bool setDblParam(ClpDblParam key, double value) ;
00791 #ifndef CLP_NO_STD
00793     bool setStrParam(ClpStrParam key, const std::string & value);
00794 #endif
00795     // Get an integer parameter
00796     inline bool getIntParam(ClpIntParam key, int& value) const {
00797       if (key<ClpLastIntParam) {
00798         value = intParam_[key];
00799         return true;
00800       } else {
00801         return false;
00802       }
00803     }
00804     // Get an double parameter
00805     inline bool getDblParam(ClpDblParam key, double& value) const {
00806       if (key<ClpLastDblParam) {
00807         value = dblParam_[key];
00808         return true;
00809       } else {
00810         return false;
00811       }
00812     }
00813 #ifndef CLP_NO_STD
00814     // Get a string parameter
00815     inline bool getStrParam(ClpStrParam key, std::string& value) const {
00816       if (key<ClpLastStrParam) {
00817         value = strParam_[key];
00818         return true;
00819       } else {
00820         return false;
00821       }
00822     }
00823 #endif
00825     void generateCpp( FILE * fp);
00826 
00857 #define COIN_CBC_USING_CLP 0x01000000
00858   inline unsigned int specialOptions() const
00859   { return specialOptions_;}
00860   void setSpecialOptions(unsigned int value);
00861   inline bool inCbcBranchAndBound() const
00862   { return (specialOptions_&COIN_CBC_USING_CLP)!=0;}
00864 
00867 protected:
00869   void gutsOfDelete(int type);
00873   void gutsOfCopy(const ClpModel & rhs, int trueCopy=1);
00875   void getRowBound(int iRow, double& lower, double& upper) const;
00877   void gutsOfLoadModel ( int numberRows, int numberColumns,
00878                      const double* collb, const double* colub,   
00879                      const double* obj,
00880                      const double* rowlb, const double* rowub,
00881                       const double * rowObjective=NULL);
00883   void gutsOfScaling();
00885   inline double rawObjectiveValue() const {
00886     return objectiveValue_;
00887   }
00889   inline bool permanentArrays() const
00890   { return (specialOptions_&65536)!=0;}
00892   void startPermanentArrays();
00894   void stopPermanentArrays();
00896   const char * const * rowNamesAsChar() const;
00898   const char * const * columnNamesAsChar() const;
00900   void deleteNamesAsChar(const char * const * names,int number) const;
00902   void onStopped();
00904 
00905 
00907 protected:
00908 
00911 
00912   double optimizationDirection_;
00914   double dblParam_[ClpLastDblParam];
00916   double objectiveValue_;
00918   double smallElement_;
00920   double objectiveScale_;
00922   double rhsScale_;
00924   int numberRows_;
00926   int numberColumns_;
00928   double * rowActivity_;
00930   double * columnActivity_;
00932   double * dual_;
00934   double * reducedCost_;
00936   double* rowLower_;
00938   double* rowUpper_;
00940   ClpObjective * objective_;
00942   double * rowObjective_;
00944   double * columnLower_;
00946   double * columnUpper_;
00948   ClpMatrixBase * matrix_;
00950   ClpMatrixBase * rowCopy_;
00952   ClpPackedMatrix * scaledMatrix_;
00954   double * ray_;
00956   double * rowScale_;
00958   double * columnScale_;
00960   double * inverseRowScale_;
00962   double * inverseColumnScale_;
00964   int scalingFlag_;
00972   unsigned char * status_;
00974   char * integerType_;
00976   void * userPointer_;
00978   int intParam_[ClpLastIntParam];
00980   int numberIterations_;
00982   int solveType_;
00998   unsigned int whatsChanged_;
01000   int problemStatus_;
01002   int secondaryStatus_;
01004   int lengthNames_;
01006   int numberThreads_;
01010   unsigned int specialOptions_;
01012   CoinMessageHandler * handler_;
01014   bool defaultHandler_;
01016   CoinThreadRandom randomNumberGenerator_;
01018   ClpEventHandler * eventHandler_;
01019 #ifndef CLP_NO_STD
01021   std::vector<std::string> rowNames_;
01023   std::vector<std::string> columnNames_;
01024 #endif
01026   CoinMessages messages_;
01028   CoinMessages coinMessages_;
01030   int maximumColumns_;
01032   int maximumRows_;
01034   int maximumInternalColumns_;
01036   int maximumInternalRows_;
01038   CoinPackedMatrix baseMatrix_;
01040   CoinPackedMatrix baseRowCopy_;
01042   double * savedRowScale_;
01044   double * savedColumnScale_;
01045 #ifndef CLP_NO_STD
01047   std::string strParam_[ClpLastStrParam];
01048 #endif
01049 
01050 };
01053 class ClpDataSave {
01054 
01055 public:
01059 
01060     ClpDataSave (  );
01061 
01063     ClpDataSave(const ClpDataSave &);
01065     ClpDataSave & operator=(const ClpDataSave & rhs);
01067     ~ClpDataSave (  );
01068 
01070 
01072 public:
01073 
01076   double dualBound_;
01077   double infeasibilityCost_;
01078   double pivotTolerance_;
01079   double acceptablePivot_;
01080   double objectiveScale_;
01081   int sparseThreshold_;
01082   int perturbation_;
01083   int forceFactorization_;
01084   int scalingFlag_;
01085   unsigned int specialOptions_;
01087 };
01088 
01089 #endif

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