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# /home/coin/svn-release/Alps-1.5.2/CoinUtils/src/CoinLpIO.hpp

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    00001 /* $Id: CoinLpIO.hpp 1749 2014-10-24 20:00:14Z tkr $ */
    00002 // Last edit: 11/5/08
    00003 //
    00004 // Name:     CoinLpIO.hpp; Support for Lp files
    00005 // Author:   Francois Margot
    00006 //           Tepper School of Business
    00007 //           Carnegie Mellon University, Pittsburgh, PA 15213
    00008 //           email: fmargot@andrew.cmu.edu
    00009 // Date:     12/28/03
    00010 //-----------------------------------------------------------------------------
    00011 // Copyright (C) 2003, Francois Margot, International Business Machines
    00012 // Corporation and others.  All Rights Reserved.
    00013 // This code is licensed under the terms of the Eclipse Public License (EPL).
    00014
    00015 #ifndef CoinLpIO_H
    00016 #define CoinLpIO_H
    00017
    00018 #include <cstdio>
    00019
    00020 #include "CoinPackedMatrix.hpp"
    00021 #include "CoinMessage.hpp"
    00022 class CoinSet;
    00023
    00024 const int MAX_OBJECTIVES = 2;
    00025
    00026 typedef int COINColumnIndex;
    00027
    00104 class CoinLpIO {
    00105       friend void CoinLpIOUnitTest(const std::string & lpDir);
    00106 public:
    00107
    00110
    00111   CoinLpIO();
    00112
    00114   void gutsOfDestructor();
    00115
    00117   void gutsOfCopy(const CoinLpIO &);
    00118
    00120   CoinLpIO & operator = (const CoinLpIO& rhs) ;
    00121
    00123   CoinLpIO (const CoinLpIO &);
    00124
    00126   ~CoinLpIO();
    00127
    00133   void freePreviousNames(const int section);
    00134
    00136   void freeAll();
    00138
    00141     inline void
    00142     convertBoundToSense(const double lower, const double upper,
    00143                         char& sense, double& right, double& range) const;
    00144
    00147
    00149   const char * getProblemName() const;
    00150
    00152   void setProblemName(const char *name);
    00153
    00155   int getNumCols() const;
    00156
    00158   int getNumRows() const;
    00159
    00161   int getNumElements() const;
    00162
    00164   const double * getColLower() const;
    00165
    00167   const double * getColUpper() const;
    00168
    00170   const double * getRowLower() const;
    00171
    00173   const double * getRowUpper() const;
    00183   const char * getRowSense() const;
    00184
    00196   const double * getRightHandSide() const;
    00197
    00211   const double * getRowRange() const;
    00212
    00214   const int getNumObjectives() const;
    00215
    00217   const double * getObjCoefficients() const;
    00218
    00220   const double * getObjCoefficients(int j) const;
    00221
    00223   const CoinPackedMatrix * getMatrixByRow() const;
    00224
    00226   const CoinPackedMatrix * getMatrixByCol() const;
    00227
    00229   const char * getObjName() const;
    00230
    00232   const char * getObjName(int j) const;
    00233
    00239   void getPreviousRowNames(char const * const * prev,
    00240                            int *card_prev) const;
    00241
    00246   void getPreviousColNames(char const * const * prev,
    00247                            int *card_prev) const;
    00248
    00251   char const * const * getRowNames() const;
    00252
    00254   char const * const *getColNames() const;
    00255
    00259   const char * rowName(int index) const;
    00260
    00264   const char * columnName(int index) const;
    00265
    00269   int rowIndex(const char * name) const;
    00270
    00273   int columnIndex(const char * name) const;
    00274
    00276   double objectiveOffset() const;
    00277
    00279   double objectiveOffset(int j) const;
    00280
    00282   inline void setObjectiveOffset(double value)
    00283   { objectiveOffset_[0] = value;}
    00284
    00286    inline void setObjectiveOffset(double value, int j)
    00287   { objectiveOffset_[j] = value;}
    00288
    00291   bool isInteger(int columnNumber) const;
    00292
    00294   const char * integerColumns() const;
    00296
    00299
    00300   double getInfinity() const;
    00301
    00304   void setInfinity(const double);
    00305
    00307   double getEpsilon() const;
    00308
    00311   void setEpsilon(const double);
    00312
    00314   int getNumberAcross() const;
    00315
    00318   void setNumberAcross(const int);
    00319
    00321   int getDecimals() const;
    00322
    00325   void setDecimals(const int);
    00327
    00340   void setLpDataWithoutRowAndColNames(
    00341                               const CoinPackedMatrix& m,
    00342                               const double* collb, const double* colub,
    00343                               const double* obj_coeff,
    00344                               const char* integrality,
    00345                               const double* rowlb, const double* rowub);
    00346
    00347   void setLpDataWithoutRowAndColNames(
    00348                               const CoinPackedMatrix& m,
    00349                               const double* collb, const double* colub,
    00350                               const double* obj_coeff[MAX_OBJECTIVES],
    00351                               int num_objectives,
    00352                               const char* integrality,
    00353                               const double* rowlb, const double* rowub);
    00354
    00367   int is_invalid_name(const char *buff, const bool ranged) const;
    00368
    00385   int are_invalid_names(char const * const *vnames,
    00386                                   const int card_vnames,
    00387                                   const bool check_ranged) const;
    00388
    00391   void setDefaultRowNames();
    00392
    00394   void setDefaultColNames();
    00395
    00415   void setLpDataRowAndColNames(char const * const * const rownames,
    00416                                char const * const * const colnames);
    00417
    00432   int writeLp(const char *filename,
    00433               const double epsilon,
    00434               const int numberAcross,
    00435               const int decimals,
    00436               const bool useRowNames = true);
    00437
    00452   int writeLp(FILE *fp,
    00453               const double epsilon,
    00454               const int numberAcross,
    00455               const int decimals,
    00456               const bool useRowNames = true);
    00457
    00460   int writeLp(const char *filename, const bool useRowNames = true);
    00461
    00464   int writeLp(FILE *fp, const bool useRowNames = true);
    00465
    00470   void readLp(const char *filename, const double epsilon);
    00471
    00476   void readLp(const char *filename);
    00477
    00483   void readLp(FILE *fp, const double epsilon);
    00484
    00489   void readLp(FILE *fp);
    00490
    00492   void print() const;
    00493
    00495   void loadSOS(int numberSets,const CoinSet * sets);
    00496
    00498   void loadSOS(int numberSets,const CoinSet ** sets);
    00499
    00501   inline int numberSets() const
    00502   { return numberSets_;}
    00503
    00505   inline CoinSet ** setInformation() const
    00506   { return set_;}
    00508
    00515   void passInMessageHandler(CoinMessageHandler * handler);
    00516
    00518   void newLanguage(CoinMessages::Language language);
    00519
    00521   inline void setLanguage(CoinMessages::Language language) {newLanguage(language);}
    00522
    00524   inline CoinMessageHandler * messageHandler() const {return handler_;}
    00525
    00527   inline CoinMessages messages() {return messages_;}
    00529   inline CoinMessages * messagesPointer() {return & messages_;}
    00531
    00532 protected:
    00534   char * problemName_;
    00535
    00537   CoinMessageHandler * handler_;
    00543   bool defaultHandler_;
    00545   CoinMessages messages_;
    00546
    00548   int numberRows_;
    00549
    00551   int numberColumns_;
    00552
    00554   int numberElements_;
    00555
    00557   mutable CoinPackedMatrix *matrixByColumn_;
    00558
    00560   CoinPackedMatrix *matrixByRow_;
    00561
    00563   double * rowlower_;
    00564
    00566   double * rowupper_;
    00567
    00569   double * collower_;
    00570
    00572   double * colupper_;
    00573
    00575   mutable double * rhs_;
    00576
    00580   mutable double  *rowrange_;
    00581
    00583   mutable char * rowsense_;
    00584
    00586   double * objective_[MAX_OBJECTIVES];
    00587
    00589   int num_objectives_;
    00590
    00592   double objectiveOffset_[MAX_OBJECTIVES];
    00593
    00596   char * integerType_;
    00597
    00599   CoinSet ** set_;
    00600
    00602   int numberSets_;
    00603
    00605   char * fileName_;
    00606
    00608   double infinity_;
    00609
    00611   double epsilon_;
    00612
    00614   int numberAcross_;
    00615
    00617   int decimals_;
    00618
    00620   char *objName_[MAX_OBJECTIVES];
    00621
    00628   char **previous_names_[2];
    00629
    00634   int card_previous_names_[2];
    00635
    00640   char **names_[2];
    00641
    00642   typedef struct {
    00643     int index, next;
    00644   } CoinHashLink;
    00645
    00649   int maxHash_[2];
    00650
    00654   int numberHash_[2];
    00655
    00659   mutable CoinHashLink *hash_[2];
    00660
    00666   void startHash(char const * const * const names,
    00667                  const COINColumnIndex number,
    00668                  int section);
    00669
    00673   void stopHash(int section);
    00674
    00679   COINColumnIndex findHash(const char *name, int section) const;
    00680
    00685   void insertHash(const char *thisName, int section);
    00686
    00689   void out_coeff(FILE *fp, double v, int print_1) const;
    00690
    00694   int find_obj(FILE *fp) const;
    00695
    00701   int is_subject_to(const char *buff) const;
    00702
    00705   int first_is_number(const char *buff) const;
    00706
    00709   int is_comment(const char *buff) const;
    00710
    00712   void skip_comment(char *buff, FILE *fp) const;
    00713
    00715   void scan_next(char *buff, FILE *fp) const;
    00716
    00719   int is_free(const char *buff) const;
    00720
    00723   int is_inf(const char *buff) const;
    00724
    00730   int is_sense(const char *buff) const;
    00731
    00743   int is_keyword(const char *buff) const;
    00744
    00747   int read_monom_obj(FILE *fp, double *coeff, char **name, int *cnt,
    00748                      char **obj_name, int *num_objectives, int *obj_starts);
    00749
    00754   int read_monom_row(FILE *fp, char *start_str, double *coeff, char **name,
    00755                      int cnt_coeff) const;
    00756
    00758   void realloc_coeff(double **coeff, char ***colNames, int *maxcoeff) const;
    00759
    00761   void realloc_row(char ***rowNames, int **start, double **rhs,
    00762                    double **rowlow, double **rowup, int *maxrow) const;
    00763
    00765   void realloc_col(double **collow, double **colup, char **is_int,
    00766                    int *maxcol) const;
    00767
    00769   void read_row(FILE *fp, char *buff, double **pcoeff, char ***pcolNames,
    00770                 int *cnt_coeff, int *maxcoeff,
    00771                      double *rhs, double *rowlow, double *rowup,
    00772                      int *cnt_row, double inf) const;
    00773
    00787   void checkRowNames();
    00788
    00797   void checkColNames();
    00798
    00799 };
    00800
    00801 void
    00802 CoinLpIOUnitTest(const std::string& lpDir);
    00803
    00804
    00805 #endif