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# /home/coin/SVN-release/Alps-1.3.0/CoinUtils/src/CoinPackedMatrix.hpp

Go to the documentation of this file.

    00001 /* $Id: CoinPackedMatrix.hpp 1448 2011-06-19 15:34:41Z stefan $ */
    00002 // Copyright (C) 2000, International Business Machines
    00003 // Corporation and others.  All Rights Reserved.
    00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
    00005
    00006 #ifndef CoinPackedMatrix_H
    00007 #define CoinPackedMatrix_H
    00008
    00009 #include "CoinError.hpp"
    00010 #include "CoinTypes.hpp"
    00011 #ifndef CLP_NO_VECTOR
    00012 #include "CoinPackedVectorBase.hpp"
    00013 #include "CoinShallowPackedVector.hpp"
    00014 #else
    00015 class CoinRelFltEq;
    00016 #endif
    00017
    00079 class CoinPackedMatrix  {
    00080    friend void CoinPackedMatrixUnitTest();
    00081
    00082 public:
    00083
    00084
    00085   //---------------------------------------------------------------------------
    00089     inline double getExtraGap() const { return extraGap_; }
    00091     inline double getExtraMajor() const { return extraMajor_; }
    00092
    00095     void reserve(const int newMaxMajorDim, const CoinBigIndex newMaxSize,
    00096                  bool create=false);
    00098     void clear();
    00099
    00101     inline bool isColOrdered() const { return colOrdered_; }
    00102
    00104     inline bool hasGaps() const { return (size_<start_[majorDim_]) ; }
    00105
    00107     inline CoinBigIndex getNumElements() const { return size_; }
    00108
    00110     inline int getNumCols() const
    00111     { return colOrdered_ ? majorDim_ : minorDim_; }
    00112
    00114     inline int getNumRows() const
    00115     { return colOrdered_ ? minorDim_ : majorDim_; }
    00116
    00124     inline const double * getElements() const { return element_; }
    00125
    00134     inline const int * getIndices() const { return index_; }
    00135
    00140     inline int getSizeVectorStarts() const
    00141     { return ((majorDim_ > 0)?(majorDim_+1):(0)) ; }
    00142
    00147     inline int getSizeVectorLengths() const { return majorDim_; }
    00148
    00154     inline const CoinBigIndex * getVectorStarts() const { return start_; }
    00155
    00160     inline const int * getVectorLengths() const { return length_; }
    00161
    00164     CoinBigIndex getVectorFirst(const int i) const {
    00165 #ifndef COIN_FAST_CODE
    00166       if (i < 0 || i >= majorDim_)
    00167         throw CoinError("bad index", "vectorFirst", "CoinPackedMatrix");
    00168 #endif
    00169       return start_[i];
    00170     }
    00173     CoinBigIndex getVectorLast(const int i) const {
    00174 #ifndef COIN_FAST_CODE
    00175       if (i < 0 || i >= majorDim_)
    00176         throw CoinError("bad index", "vectorLast", "CoinPackedMatrix");
    00177 #endif
    00178       return start_[i] + length_[i];
    00179     }
    00181     inline int getVectorSize(const int i) const {
    00182 #ifndef COIN_FAST_CODE
    00183       if (i < 0 || i >= majorDim_)
    00184         throw CoinError("bad index", "vectorSize", "CoinPackedMatrix");
    00185 #endif
    00186       return length_[i];
    00187     }
    00188 #ifndef CLP_NO_VECTOR
    00189
    00190     const CoinShallowPackedVector getVector(int i) const {
    00191 #ifndef COIN_FAST_CODE
    00192       if (i < 0 || i >= majorDim_)
    00193         throw CoinError("bad index", "vector", "CoinPackedMatrix");
    00194 #endif
    00195       return CoinShallowPackedVector(length_[i],
    00196                                     index_ + start_[i],
    00197                                     element_ + start_[i],
    00198                                     false);
    00199     }
    00200 #endif
    00201
    00211     int * getMajorIndices() const;
    00213
    00214   //---------------------------------------------------------------------------
    00225     void setDimensions(int numrows, int numcols);
    00226
    00228     void setExtraGap(const double newGap);
    00230     void setExtraMajor(const double newMajor);
    00231 #ifndef CLP_NO_VECTOR
    00232
    00238     void appendCol(const CoinPackedVectorBase& vec);
    00239 #endif
    00240
    00246     void appendCol(const int vecsize,
    00247                    const int *vecind, const double *vecelem);
    00248 #ifndef CLP_NO_VECTOR
    00249
    00255     void appendCols(const int numcols,
    00256                     const CoinPackedVectorBase * const * cols);
    00257 #endif
    00258
    00263     int appendCols(const int numcols,
    00264                     const CoinBigIndex * columnStarts, const int * row,
    00265                    const double * element, int numberRows=-1);
    00266 #ifndef CLP_NO_VECTOR
    00267
    00273     void appendRow(const CoinPackedVectorBase& vec);
    00274 #endif
    00275
    00281     void appendRow(const int vecsize,
    00282                   const int *vecind, const double *vecelem);
    00283 #ifndef CLP_NO_VECTOR
    00284
    00290     void appendRows(const int numrows,
    00291                     const CoinPackedVectorBase * const * rows);
    00292 #endif
    00293
    00298     int appendRows(const int numrows,
    00299                     const CoinBigIndex * rowStarts, const int * column,
    00300                    const double * element, int numberColumns=-1);
    00301
    00306     void rightAppendPackedMatrix(const CoinPackedMatrix& matrix);
    00311     void bottomAppendPackedMatrix(const CoinPackedMatrix& matrix);
    00312
    00314     void deleteCols(const int numDel, const int * indDel);
    00316     void deleteRows(const int numDel, const int * indDel);
    00317
    00321     void replaceVector(const int index,
    00322                        const int numReplace, const double * newElements);
    00327     void modifyCoefficient(int row, int column, double newElement,
    00328                            bool keepZero=false);
    00332     double getCoefficient(int row, int column) const;
    00333
    00339     int compress(double threshold);
    00344     int eliminateDuplicates(double threshold);
    00346     void orderMatrix();
    00354     int cleanMatrix(double threshold=1.0e-20);
    00356
    00357   //---------------------------------------------------------------------------
    00362     void removeGaps(double removeValue=-1.0);
    00363
    00367     void submatrixOf(const CoinPackedMatrix& matrix,
    00368                      const int numMajor, const int * indMajor);
    00372     void submatrixOfWithDuplicates(const CoinPackedMatrix& matrix,
    00373                      const int numMajor, const int * indMajor);
    00374 #if 0
    00375
    00378     void submatrixOf(const CoinPackedMatrix& matrix,
    00379                      const int numMajor, const int * indMajor,
    00380                      const int numMinor, const int * indMinor);
    00381 #endif
    00382
    00385     void copyOf(const CoinPackedMatrix& rhs);
    00389     void copyOf(const bool colordered,
    00390                const int minor, const int major, const CoinBigIndex numels,
    00391                const double * elem, const int * ind,
    00392                const CoinBigIndex * start, const int * len,
    00393                const double extraMajor=0.0, const double extraGap=0.0);
    00397     void copyReuseArrays(const CoinPackedMatrix& rhs);
    00398
    00406     void reverseOrderedCopyOf(const CoinPackedMatrix& rhs);
    00407
    00416     void assignMatrix(const bool colordered,
    00417                      const int minor, const int major,
    00418                       const CoinBigIndex numels,
    00419                      double *& elem, int *& ind,
    00420                      CoinBigIndex *& start, int *& len,
    00421                      const int maxmajor = -1, const CoinBigIndex maxsize = -1);
    00422
    00423
    00424
    00427     CoinPackedMatrix & operator=(const CoinPackedMatrix& rhs);
    00428
    00435     void reverseOrdering();
    00436
    00446     void transpose();
    00447
    00449     void swap(CoinPackedMatrix& matrix);
    00450
    00452
    00453   //---------------------------------------------------------------------------
    00459     void times(const double * x, double * y) const;
    00460 #ifndef CLP_NO_VECTOR
    00461
    00463     void times(const CoinPackedVectorBase& x, double * y) const;
    00464 #endif
    00465
    00468     void transposeTimes(const double * x, double * y) const;
    00469 #ifndef CLP_NO_VECTOR
    00470
    00472     void transposeTimes(const CoinPackedVectorBase& x, double * y) const;
    00473 #endif
    00474
    00475
    00476   //---------------------------------------------------------------------------
    00484
    00485     //-------------------------------------------------------------------------
    00492       int * countOrthoLength() const;
    00495       void countOrthoLength(int * counts) const;
    00498       int getMajorDim() const { return majorDim_; }
    00501       int getMinorDim() const { return minorDim_; }
    00505       int getMaxMajorDim() const { return maxMajorDim_; }
    00506
    00509       void dumpMatrix(const char* fname = NULL) const;
    00510
    00512       void printMatrixElement(const int row_val, const int col_val) const;
    00514
    00515     //-------------------------------------------------------------------------
    00525 #ifndef CLP_NO_VECTOR
    00526
    00527       void appendMajorVector(const CoinPackedVectorBase& vec);
    00528 #endif
    00529
    00530       void appendMajorVector(const int vecsize, const int *vecind,
    00531                              const double *vecelem);
    00532 #ifndef CLP_NO_VECTOR
    00533
    00534       void appendMajorVectors(const int numvecs,
    00535                               const CoinPackedVectorBase * const * vecs);
    00536
    00538       void appendMinorVector(const CoinPackedVectorBase& vec);
    00539 #endif
    00540
    00541       void appendMinorVector(const int vecsize, const int *vecind,
    00542                              const double *vecelem);
    00543 #ifndef CLP_NO_VECTOR
    00544
    00545       void appendMinorVectors(const int numvecs,
    00546                               const CoinPackedVectorBase * const * vecs);
    00547 #endif
    00548
    00560     void appendMinorFast(const int number,
    00561                     const CoinBigIndex * starts, const int * index,
    00562                     const double * element);
    00564
    00565     //-------------------------------------------------------------------------
    00579       void majorAppendSameOrdered(const CoinPackedMatrix& matrix);
    00584       void minorAppendSameOrdered(const CoinPackedMatrix& matrix);
    00590       void majorAppendOrthoOrdered(const CoinPackedMatrix& matrix);
    00596       void minorAppendOrthoOrdered(const CoinPackedMatrix& matrix);
    00598
    00599       //-----------------------------------------------------------------------
    00604       void deleteMajorVectors(const int numDel, const int * indDel);
    00607       void deleteMinorVectors(const int numDel, const int * indDel);
    00609
    00610       //-----------------------------------------------------------------------
    00617       void timesMajor(const double * x, double * y) const;
    00618 #ifndef CLP_NO_VECTOR
    00619
    00622       void timesMajor(const CoinPackedVectorBase& x, double * y) const;
    00623 #endif
    00624
    00628       void timesMinor(const double * x, double * y) const;
    00629 #ifndef CLP_NO_VECTOR
    00630
    00633       void timesMinor(const CoinPackedVectorBase& x, double * y) const;
    00634 #endif
    00635
    00636
    00637
    00638    //--------------------------------------------------------------------------
    00641 #ifndef CLP_NO_VECTOR
    00642
    00649    template <class FloatEqual> bool
    00650    isEquivalent(const CoinPackedMatrix& rhs, const FloatEqual& eq) const
    00651    {
    00652       // Both must be column order or both row ordered and must be of same size
    00653       if ((isColOrdered() ^ rhs.isColOrdered()) ||
    00654           (getNumCols() != rhs.getNumCols()) ||
    00655           (getNumRows() != rhs.getNumRows()) ||
    00656           (getNumElements() != rhs.getNumElements()))
    00657          return false;
    00658
    00659       for (int i=getMajorDim()-1; i >= 0; --i) {
    00660         CoinShallowPackedVector pv = getVector(i);
    00661         CoinShallowPackedVector rhsPv = rhs.getVector(i);
    00662         if ( !pv.isEquivalent(rhsPv,eq) )
    00663           return false;
    00664       }
    00665       return true;
    00666    }
    00667
    00674   bool isEquivalent2(const CoinPackedMatrix& rhs) const;
    00675 #else
    00676
    00684   bool isEquivalent(const CoinPackedMatrix& rhs, const CoinRelFltEq & eq) const;
    00685 #endif
    00686
    00690    bool isEquivalent(const CoinPackedMatrix& rhs) const;
    00692
    00693    //--------------------------------------------------------------------------
    00703     inline double * getMutableElements() const { return element_; }
    00709     inline int * getMutableIndices() const { return index_; }
    00710
    00713     inline CoinBigIndex * getMutableVectorStarts() const { return start_; }
    00715     inline int * getMutableVectorLengths() const { return length_; }
    00717     inline void setNumElements(CoinBigIndex value)
    00718     { size_ = value;}
    00723     inline void nullElementArray() {element_=NULL;}
    00724
    00729     inline void nullStartArray() {start_=NULL;}
    00730
    00735     inline void nullLengthArray() {length_=NULL;}
    00736
    00741     inline void nullIndexArray() {index_=NULL;}
    00743
    00744    //--------------------------------------------------------------------------
    00747
    00748    CoinPackedMatrix();
    00749
    00751    CoinPackedMatrix(const bool colordered,
    00752                    const double extraMajor, const double extraGap);
    00753
    00754    CoinPackedMatrix(const bool colordered,
    00755                    const int minor, const int major, const CoinBigIndex numels,
    00756                    const double * elem, const int * ind,
    00757                    const CoinBigIndex * start, const int * len,
    00758                    const double extraMajor, const double extraGap);
    00759
    00760    CoinPackedMatrix(const bool colordered,
    00761                    const int minor, const int major, const CoinBigIndex numels,
    00762                    const double * elem, const int * ind,
    00763                    const CoinBigIndex * start, const int * len);
    00764
    00775    CoinPackedMatrix(const bool colordered,
    00776      const int * rowIndices,
    00777      const int * colIndices,
    00778      const double * elements,
    00779      CoinBigIndex numels );
    00780
    00782    CoinPackedMatrix(const CoinPackedMatrix& m);
    00783
    00788   CoinPackedMatrix(const CoinPackedMatrix& m, int extraForMajor, int extraElements, bool reverseOrdering=false);
    00789
    00792   CoinPackedMatrix (const CoinPackedMatrix & wholeModel,
    00793                     int numberRows, const int * whichRows,
    00794                     int numberColumns, const int * whichColumns);
    00795
    00797    virtual ~CoinPackedMatrix();
    00799
    00823     int verifyMtx(int verbosity = 1, bool zeroesAreError = false) const ;
    00825
    00826   //--------------------------------------------------------------------------
    00827 protected:
    00828    void gutsOfDestructor();
    00829    void gutsOfCopyOf(const bool colordered,
    00830                      const int minor, const int major, const CoinBigIndex numels,
    00831                      const double * elem, const int * ind,
    00832                      const CoinBigIndex * start, const int * len,
    00833                      const double extraMajor=0.0, const double extraGap=0.0);
    00835    void gutsOfCopyOfNoGaps(const bool colordered,
    00836                      const int minor, const int major,
    00837                      const double * elem, const int * ind,
    00838                            const CoinBigIndex * start);
    00839    void gutsOfOpEqual(const bool colordered,
    00840                       const int minor, const int major, const CoinBigIndex numels,
    00841                       const double * elem, const int * ind,
    00842                       const CoinBigIndex * start, const int * len);
    00843    void resizeForAddingMajorVectors(const int numVec, const int * lengthVec);
    00844    void resizeForAddingMinorVectors(const int * addedEntries);
    00845
    00855     int appendMajor(const int number,
    00856                     const CoinBigIndex * starts, const int * index,
    00857                     const double * element, int numberOther=-1);
    00867     int appendMinor(const int number,
    00868                     const CoinBigIndex * starts, const int * index,
    00869                     const double * element, int numberOther=-1);
    00870
    00871 private:
    00872    inline CoinBigIndex getLastStart() const {
    00873       return majorDim_ == 0 ? 0 : start_[majorDim_];
    00874    }
    00875
    00876    //--------------------------------------------------------------------------
    00877 protected:
    00882    bool     colOrdered_;
    00887    double   extraGap_;
    00891    double   extraMajor_;
    00892
    00895    double  *element_;
    00898    int     *index_;
    00900    CoinBigIndex     *start_;
    00902    int     *length_;
    00903
    00905    int majorDim_;
    00907    int minorDim_;
    00909    CoinBigIndex size_;
    00910
    00912    int maxMajorDim_;
    00914    CoinBigIndex maxSize_;
    00916 };
    00917
    00918 //#############################################################################
    00926 void
    00927 CoinPackedMatrixUnitTest();
    00928
    00929 #endif