- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files

- File List
- File Members

# /home/coin/svn-release/Bcps-0.93.10/CoinUtils/src/CoinPackedMatrix.hpp

Go to the documentation of this file.

    00001 /* $Id: CoinPackedMatrix.hpp 1560 2012-11-24 00:29:01Z lou $ */
    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       inline int getMajorDim() const { return majorDim_; }
    00501       inline void setMajorDim(int value) { majorDim_ = value; }
    00504       inline int getMinorDim() const { return minorDim_; }
    00507       inline void setMinorDim(int value) { minorDim_ = value; }
    00511       inline int getMaxMajorDim() const { return maxMajorDim_; }
    00512
    00515       void dumpMatrix(const char* fname = NULL) const;
    00516
    00518       void printMatrixElement(const int row_val, const int col_val) const;
    00520
    00521     //-------------------------------------------------------------------------
    00531 #ifndef CLP_NO_VECTOR
    00532
    00533       void appendMajorVector(const CoinPackedVectorBase& vec);
    00534 #endif
    00535
    00536       void appendMajorVector(const int vecsize, const int *vecind,
    00537                              const double *vecelem);
    00538 #ifndef CLP_NO_VECTOR
    00539
    00540       void appendMajorVectors(const int numvecs,
    00541                               const CoinPackedVectorBase * const * vecs);
    00542
    00544       void appendMinorVector(const CoinPackedVectorBase& vec);
    00545 #endif
    00546
    00547       void appendMinorVector(const int vecsize, const int *vecind,
    00548                              const double *vecelem);
    00549 #ifndef CLP_NO_VECTOR
    00550
    00551       void appendMinorVectors(const int numvecs,
    00552                               const CoinPackedVectorBase * const * vecs);
    00553 #endif
    00554
    00566     void appendMinorFast(const int number,
    00567                     const CoinBigIndex * starts, const int * index,
    00568                     const double * element);
    00570
    00571     //-------------------------------------------------------------------------
    00585       void majorAppendSameOrdered(const CoinPackedMatrix& matrix);
    00590       void minorAppendSameOrdered(const CoinPackedMatrix& matrix);
    00596       void majorAppendOrthoOrdered(const CoinPackedMatrix& matrix);
    00602       void minorAppendOrthoOrdered(const CoinPackedMatrix& matrix);
    00604
    00605       //-----------------------------------------------------------------------
    00610       void deleteMajorVectors(const int numDel, const int * indDel);
    00613       void deleteMinorVectors(const int numDel, const int * indDel);
    00615
    00616       //-----------------------------------------------------------------------
    00623       void timesMajor(const double * x, double * y) const;
    00624 #ifndef CLP_NO_VECTOR
    00625
    00628       void timesMajor(const CoinPackedVectorBase& x, double * y) const;
    00629 #endif
    00630
    00634       void timesMinor(const double * x, double * y) const;
    00635 #ifndef CLP_NO_VECTOR
    00636
    00639       void timesMinor(const CoinPackedVectorBase& x, double * y) const;
    00640 #endif
    00641
    00642
    00643
    00644    //--------------------------------------------------------------------------
    00647 #ifndef CLP_NO_VECTOR
    00648
    00655    template <class FloatEqual> bool
    00656    isEquivalent(const CoinPackedMatrix& rhs, const FloatEqual& eq) const
    00657    {
    00658       // Both must be column order or both row ordered and must be of same size
    00659       if ((isColOrdered() ^ rhs.isColOrdered()) ||
    00660           (getNumCols() != rhs.getNumCols()) ||
    00661           (getNumRows() != rhs.getNumRows()) ||
    00662           (getNumElements() != rhs.getNumElements()))
    00663          return false;
    00664
    00665       for (int i=getMajorDim()-1; i >= 0; --i) {
    00666         CoinShallowPackedVector pv = getVector(i);
    00667         CoinShallowPackedVector rhsPv = rhs.getVector(i);
    00668         if ( !pv.isEquivalent(rhsPv,eq) )
    00669           return false;
    00670       }
    00671       return true;
    00672    }
    00673
    00680   bool isEquivalent2(const CoinPackedMatrix& rhs) const;
    00681 #else
    00682
    00690   bool isEquivalent(const CoinPackedMatrix& rhs, const CoinRelFltEq & eq) const;
    00691 #endif
    00692
    00696    bool isEquivalent(const CoinPackedMatrix& rhs) const;
    00698
    00699    //--------------------------------------------------------------------------
    00709     inline double * getMutableElements() const { return element_; }
    00715     inline int * getMutableIndices() const { return index_; }
    00716
    00719     inline CoinBigIndex * getMutableVectorStarts() const { return start_; }
    00721     inline int * getMutableVectorLengths() const { return length_; }
    00723     inline void setNumElements(CoinBigIndex value)
    00724     { size_ = value;}
    00729     inline void nullElementArray() {element_=NULL;}
    00730
    00735     inline void nullStartArray() {start_=NULL;}
    00736
    00741     inline void nullLengthArray() {length_=NULL;}
    00742
    00747     inline void nullIndexArray() {index_=NULL;}
    00749
    00750    //--------------------------------------------------------------------------
    00753
    00754    CoinPackedMatrix();
    00755
    00757    CoinPackedMatrix(const bool colordered,
    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                    const double extraMajor, const double extraGap);
    00765
    00766    CoinPackedMatrix(const bool colordered,
    00767                    const int minor, const int major, const CoinBigIndex numels,
    00768                    const double * elem, const int * ind,
    00769                    const CoinBigIndex * start, const int * len);
    00770
    00781    CoinPackedMatrix(const bool colordered,
    00782      const int * rowIndices,
    00783      const int * colIndices,
    00784      const double * elements,
    00785      CoinBigIndex numels );
    00786
    00788    CoinPackedMatrix(const CoinPackedMatrix& m);
    00789
    00804   CoinPackedMatrix(const CoinPackedMatrix &m,
    00805                    int extraForMajor, int extraElements,
    00806                    bool reverseOrdering = false) ;
    00807
    00810   CoinPackedMatrix (const CoinPackedMatrix & wholeModel,
    00811                     int numberRows, const int * whichRows,
    00812                     int numberColumns, const int * whichColumns);
    00813
    00815    virtual ~CoinPackedMatrix();
    00817
    00841     int verifyMtx(int verbosity = 1, bool zeroesAreError = false) const ;
    00843
    00844   //--------------------------------------------------------------------------
    00845 protected:
    00846    void gutsOfDestructor();
    00847    void gutsOfCopyOf(const bool colordered,
    00848                      const int minor, const int major, const CoinBigIndex numels,
    00849                      const double * elem, const int * ind,
    00850                      const CoinBigIndex * start, const int * len,
    00851                      const double extraMajor=0.0, const double extraGap=0.0);
    00853    void gutsOfCopyOfNoGaps(const bool colordered,
    00854                      const int minor, const int major,
    00855                      const double * elem, const int * ind,
    00856                            const CoinBigIndex * start);
    00857    void gutsOfOpEqual(const bool colordered,
    00858                       const int minor, const int major, const CoinBigIndex numels,
    00859                       const double * elem, const int * ind,
    00860                       const CoinBigIndex * start, const int * len);
    00861    void resizeForAddingMajorVectors(const int numVec, const int * lengthVec);
    00862    void resizeForAddingMinorVectors(const int * addedEntries);
    00863
    00873     int appendMajor(const int number,
    00874                     const CoinBigIndex * starts, const int * index,
    00875                     const double * element, int numberOther=-1);
    00885     int appendMinor(const int number,
    00886                     const CoinBigIndex * starts, const int * index,
    00887                     const double * element, int numberOther=-1);
    00888
    00889 private:
    00890    inline CoinBigIndex getLastStart() const {
    00891       return majorDim_ == 0 ? 0 : start_[majorDim_];
    00892    }
    00893
    00894    //--------------------------------------------------------------------------
    00895 protected:
    00900    bool     colOrdered_;
    00905    double   extraGap_;
    00909    double   extraMajor_;
    00910
    00913    double  *element_;
    00916    int     *index_;
    00918    CoinBigIndex     *start_;
    00920    int     *length_;
    00921
    00923    int majorDim_;
    00925    int minorDim_;
    00927    CoinBigIndex size_;
    00928
    00930    int maxMajorDim_;
    00932    CoinBigIndex maxSize_;
    00934 };
    00935
    00936 //#############################################################################
    00944 void
    00945 CoinPackedMatrixUnitTest();
    00946
    00947 #endif