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CoinPackedMatrix.hpp
Go to the documentation of this file.
1 /* $Id: CoinPackedMatrix.hpp 1560 2012-11-24 00:29:01Z lou $ */
2 // Copyright (C) 2000, International Business Machines
3 // Corporation and others. All Rights Reserved.
4 // This code is licensed under the terms of the Eclipse Public License (EPL).
5
6 #ifndef CoinPackedMatrix_H
7 #define CoinPackedMatrix_H
8
9 #include "CoinError.hpp"
10 #include "CoinTypes.hpp"
11 #ifndef CLP_NO_VECTOR
12 #include "CoinPackedVectorBase.hpp"
13 #include "CoinShallowPackedVector.hpp"
14 #else
15 class CoinRelFltEq;
16 #endif
17
79 class CoinPackedMatrix {
80 friend void CoinPackedMatrixUnitTest();
81
82 public:
83
84
85 //---------------------------------------------------------------------------
89 inline double getExtraGap() const { return extraGap_; }
91 inline double getExtraMajor() const { return extraMajor_; }
92
95 void reserve(const int newMaxMajorDim, const CoinBigIndex newMaxSize,
96 bool create=false);
98 void clear();
99
101 inline bool isColOrdered() const { return colOrdered_; }
102
104 inline bool hasGaps() const { return (size_<start_[majorDim_]) ; }
105
107 inline CoinBigIndex getNumElements() const { return size_; }
108
110 inline int getNumCols() const
111 { return colOrdered_ ? majorDim_ : minorDim_; }
112
114 inline int getNumRows() const
115 { return colOrdered_ ? minorDim_ : majorDim_; }
116
124 inline const double * getElements() const { return element_; }
125
134 inline const int * getIndices() const { return index_; }
135
140 inline int getSizeVectorStarts() const
141 { return ((majorDim_ > 0)?(majorDim_+1):(0)) ; }
142
147 inline int getSizeVectorLengths() const { return majorDim_; }
148
154 inline const CoinBigIndex * getVectorStarts() const { return start_; }
155
160 inline const int * getVectorLengths() const { return length_; }
161
164 CoinBigIndex getVectorFirst(const int i) const {
165 #ifndef COIN_FAST_CODE
166 if (i < 0 || i >= majorDim_)
167 throw CoinError("bad index", "vectorFirst", "CoinPackedMatrix");
168 #endif
169 return start_[i];
170 }
173 CoinBigIndex getVectorLast(const int i) const {
174 #ifndef COIN_FAST_CODE
175 if (i < 0 || i >= majorDim_)
176 throw CoinError("bad index", "vectorLast", "CoinPackedMatrix");
177 #endif
178 return start_[i] + length_[i];
179 }
181 inline int getVectorSize(const int i) const {
182 #ifndef COIN_FAST_CODE
183 if (i < 0 || i >= majorDim_)
184 throw CoinError("bad index", "vectorSize", "CoinPackedMatrix");
185 #endif
186 return length_[i];
187 }
188 #ifndef CLP_NO_VECTOR
189
190 const CoinShallowPackedVector getVector(int i) const {
191 #ifndef COIN_FAST_CODE
192 if (i < 0 || i >= majorDim_)
193 throw CoinError("bad index", "vector", "CoinPackedMatrix");
194 #endif
195 return CoinShallowPackedVector(length_[i],
196 index_ + start_[i],
197 element_ + start_[i],
198 false);
199 }
200 #endif
201
211 int * getMajorIndices() const;
213
214 //---------------------------------------------------------------------------
225 void setDimensions(int numrows, int numcols);
226
228 void setExtraGap(const double newGap);
230 void setExtraMajor(const double newMajor);
231 #ifndef CLP_NO_VECTOR
232
238 void appendCol(const CoinPackedVectorBase& vec);
239 #endif
240
246 void appendCol(const int vecsize,
247 const int *vecind, const double *vecelem);
248 #ifndef CLP_NO_VECTOR
249
255 void appendCols(const int numcols,
256 const CoinPackedVectorBase * const * cols);
257 #endif
258
263 int appendCols(const int numcols,
264 const CoinBigIndex * columnStarts, const int * row,
265 const double * element, int numberRows=-1);
266 #ifndef CLP_NO_VECTOR
267
273 void appendRow(const CoinPackedVectorBase& vec);
274 #endif
275
281 void appendRow(const int vecsize,
282 const int *vecind, const double *vecelem);
283 #ifndef CLP_NO_VECTOR
284
290 void appendRows(const int numrows,
291 const CoinPackedVectorBase * const * rows);
292 #endif
293
298 int appendRows(const int numrows,
299 const CoinBigIndex * rowStarts, const int * column,
300 const double * element, int numberColumns=-1);
301
306 void rightAppendPackedMatrix(const CoinPackedMatrix& matrix);
311 void bottomAppendPackedMatrix(const CoinPackedMatrix& matrix);
312
314 void deleteCols(const int numDel, const int * indDel);
316 void deleteRows(const int numDel, const int * indDel);
317
321 void replaceVector(const int index,
322 const int numReplace, const double * newElements);
327 void modifyCoefficient(int row, int column, double newElement,
328 bool keepZero=false);
332 double getCoefficient(int row, int column) const;
333
339 int compress(double threshold);
344 int eliminateDuplicates(double threshold);
346 void orderMatrix();
354 int cleanMatrix(double threshold=1.0e-20);
356
357 //---------------------------------------------------------------------------
362 void removeGaps(double removeValue=-1.0);
363
367 void submatrixOf(const CoinPackedMatrix& matrix,
368 const int numMajor, const int * indMajor);
372 void submatrixOfWithDuplicates(const CoinPackedMatrix& matrix,
373 const int numMajor, const int * indMajor);
374 #if 0
375
378 void submatrixOf(const CoinPackedMatrix& matrix,
379 const int numMajor, const int * indMajor,
380 const int numMinor, const int * indMinor);
381 #endif
382
385 void copyOf(const CoinPackedMatrix& rhs);
389 void copyOf(const bool colordered,
390 const int minor, const int major, const CoinBigIndex numels,
391 const double * elem, const int * ind,
392 const CoinBigIndex * start, const int * len,
393 const double extraMajor=0.0, const double extraGap=0.0);
397 void copyReuseArrays(const CoinPackedMatrix& rhs);
398
406 void reverseOrderedCopyOf(const CoinPackedMatrix& rhs);
407
416 void assignMatrix(const bool colordered,
417 const int minor, const int major,
418 const CoinBigIndex numels,
419 double *& elem, int *& ind,
420 CoinBigIndex *& start, int *& len,
421 const int maxmajor = -1, const CoinBigIndex maxsize = -1);
422
423
424
427 CoinPackedMatrix & operator=(const CoinPackedMatrix& rhs);
428
435 void reverseOrdering();
436
446 void transpose();
447
449 void swap(CoinPackedMatrix& matrix);
450
452
453 //---------------------------------------------------------------------------
459 void times(const double * x, double * y) const;
460 #ifndef CLP_NO_VECTOR
461
463 void times(const CoinPackedVectorBase& x, double * y) const;
464 #endif
465
468 void transposeTimes(const double * x, double * y) const;
469 #ifndef CLP_NO_VECTOR
470
472 void transposeTimes(const CoinPackedVectorBase& x, double * y) const;
473 #endif
474
475
476 //---------------------------------------------------------------------------
484
485 //-------------------------------------------------------------------------
492 int * countOrthoLength() const;
495 void countOrthoLength(int * counts) const;
498 inline int getMajorDim() const { return majorDim_; }
501 inline void setMajorDim(int value) { majorDim_ = value; }
504 inline int getMinorDim() const { return minorDim_; }
507 inline void setMinorDim(int value) { minorDim_ = value; }
511 inline int getMaxMajorDim() const { return maxMajorDim_; }
512
515 void dumpMatrix(const char* fname = NULL) const;
516
518 void printMatrixElement(const int row_val, const int col_val) const;
520
521 //-------------------------------------------------------------------------
531 #ifndef CLP_NO_VECTOR
532
533 void appendMajorVector(const CoinPackedVectorBase& vec);
534 #endif
535
536 void appendMajorVector(const int vecsize, const int *vecind,
537 const double *vecelem);
538 #ifndef CLP_NO_VECTOR
539
540 void appendMajorVectors(const int numvecs,
541 const CoinPackedVectorBase * const * vecs);
542
544 void appendMinorVector(const CoinPackedVectorBase& vec);
545 #endif
546
547 void appendMinorVector(const int vecsize, const int *vecind,
548 const double *vecelem);
549 #ifndef CLP_NO_VECTOR
550
551 void appendMinorVectors(const int numvecs,
552 const CoinPackedVectorBase * const * vecs);
553 #endif
554
566 void appendMinorFast(const int number,
567 const CoinBigIndex * starts, const int * index,
568 const double * element);
570
571 //-------------------------------------------------------------------------
585 void majorAppendSameOrdered(const CoinPackedMatrix& matrix);
590 void minorAppendSameOrdered(const CoinPackedMatrix& matrix);
596 void majorAppendOrthoOrdered(const CoinPackedMatrix& matrix);
602 void minorAppendOrthoOrdered(const CoinPackedMatrix& matrix);
604
605 //-----------------------------------------------------------------------
610 void deleteMajorVectors(const int numDel, const int * indDel);
613 void deleteMinorVectors(const int numDel, const int * indDel);
615
616 //-----------------------------------------------------------------------
623 void timesMajor(const double * x, double * y) const;
624 #ifndef CLP_NO_VECTOR
625
628 void timesMajor(const CoinPackedVectorBase& x, double * y) const;
629 #endif
630
634 void timesMinor(const double * x, double * y) const;
635 #ifndef CLP_NO_VECTOR
636
639 void timesMinor(const CoinPackedVectorBase& x, double * y) const;
640 #endif
641
642
643
644 //--------------------------------------------------------------------------
647 #ifndef CLP_NO_VECTOR
648
655 template <class FloatEqual> bool
656 isEquivalent(const CoinPackedMatrix& rhs, const FloatEqual& eq) const
657 {
658 // Both must be column order or both row ordered and must be of same size
659 if ((isColOrdered() ^ rhs.isColOrdered()) ||
660 (getNumCols() != rhs.getNumCols()) ||
661 (getNumRows() != rhs.getNumRows()) ||
662 (getNumElements() != rhs.getNumElements()))
663 return false;
664
665 for (int i=getMajorDim()-1; i >= 0; --i) {
666 CoinShallowPackedVector pv = getVector(i);
667 CoinShallowPackedVector rhsPv = rhs.getVector(i);
668 if ( !pv.isEquivalent(rhsPv,eq) )
669 return false;
670 }
671 return true;
672 }
673
680 bool isEquivalent2(const CoinPackedMatrix& rhs) const;
681 #else
682
690 bool isEquivalent(const CoinPackedMatrix& rhs, const CoinRelFltEq & eq) const;
691 #endif
692
696 bool isEquivalent(const CoinPackedMatrix& rhs) const;
698
699 //--------------------------------------------------------------------------
709 inline double * getMutableElements() const { return element_; }
715 inline int * getMutableIndices() const { return index_; }
716
719 inline CoinBigIndex * getMutableVectorStarts() const { return start_; }
721 inline int * getMutableVectorLengths() const { return length_; }
723 inline void setNumElements(CoinBigIndex value)
724 { size_ = value;}
729 inline void nullElementArray() {element_=NULL;}
730
735 inline void nullStartArray() {start_=NULL;}
736
741 inline void nullLengthArray() {length_=NULL;}
742
747 inline void nullIndexArray() {index_=NULL;}
749
750 //--------------------------------------------------------------------------
753 CoinPackedMatrix();
755
757 CoinPackedMatrix(const bool colordered,
758 const double extraMajor, const double extraGap);
759
760 CoinPackedMatrix(const bool colordered,
761 const int minor, const int major, const CoinBigIndex numels,
762 const double * elem, const int * ind,
763 const CoinBigIndex * start, const int * len,
764 const double extraMajor, const double extraGap);
765
766 CoinPackedMatrix(const bool colordered,
767 const int minor, const int major, const CoinBigIndex numels,
768 const double * elem, const int * ind,
769 const CoinBigIndex * start, const int * len);
770
781 CoinPackedMatrix(const bool colordered,
782 const int * rowIndices,
783 const int * colIndices,
784 const double * elements,
785 CoinBigIndex numels );
786
788 CoinPackedMatrix(const CoinPackedMatrix& m);
789
804 CoinPackedMatrix(const CoinPackedMatrix &m,
805 int extraForMajor, int extraElements,
806 bool reverseOrdering = false) ;
807
810 CoinPackedMatrix (const CoinPackedMatrix & wholeModel,
811 int numberRows, const int * whichRows,
812 int numberColumns, const int * whichColumns);
813
815 virtual ~CoinPackedMatrix();
817
841 int verifyMtx(int verbosity = 1, bool zeroesAreError = false) const ;
843
844 //--------------------------------------------------------------------------
845 protected:
846 void gutsOfDestructor();
847 void gutsOfCopyOf(const bool colordered,
848 const int minor, const int major, const CoinBigIndex numels,
849 const double * elem, const int * ind,
850 const CoinBigIndex * start, const int * len,
851 const double extraMajor=0.0, const double extraGap=0.0);
853 void gutsOfCopyOfNoGaps(const bool colordered,
854 const int minor, const int major,
855 const double * elem, const int * ind,
856 const CoinBigIndex * start);
857 void gutsOfOpEqual(const bool colordered,
858 const int minor, const int major, const CoinBigIndex numels,
859 const double * elem, const int * ind,
860 const CoinBigIndex * start, const int * len);
861 void resizeForAddingMajorVectors(const int numVec, const int * lengthVec);
862 void resizeForAddingMinorVectors(const int * addedEntries);
863
873 int appendMajor(const int number,
874 const CoinBigIndex * starts, const int * index,
875 const double * element, int numberOther=-1);
885 int appendMinor(const int number,
886 const CoinBigIndex * starts, const int * index,
887 const double * element, int numberOther=-1);
888
889 private:
890 inline CoinBigIndex getLastStart() const {
891 return majorDim_ == 0 ? 0 : start_[majorDim_];
892 }
893
894 //--------------------------------------------------------------------------
895 protected:
900 bool colOrdered_;
905 double extraGap_;
909 double extraMajor_;
910
913 double *element_;
916 int *index_;
918 CoinBigIndex *start_;
920 int *length_;
921
923 int majorDim_;
925 int minorDim_;
927 CoinBigIndex size_;
928
930 int maxMajorDim_;
932 CoinBigIndex maxSize_;
934 };
935
936 //#############################################################################
944 void
945 CoinPackedMatrixUnitTest();
946
947 #endif
CoinPackedMatrix::majorAppendSameOrdered
void majorAppendSameOrdered(const CoinPackedMatrix &matrix)
Append the columns of the argument to the right end of this matrix.
CoinPackedMatrix::transpose
void transpose()
Transpose the matrix.
CoinPackedMatrix::removeGaps
void removeGaps(double removeValue=-1.0)
Remove the gaps from the matrix if there were any Can also remove small elements fabs() &lt;= removeValu...
CoinPackedMatrix::reserve
void reserve(const int newMaxMajorDim, const CoinBigIndex newMaxSize, bool create=false)
Reserve sufficient space for appending major-ordered vectors.
CoinError
Error Class thrown by an exception.
Definition: CoinError.hpp:42
CoinPackedMatrix::appendMajor
int appendMajor(const int number, const CoinBigIndex *starts, const int *index, const double *element, int numberOther=-1)
Append a set of rows (columns) to the end of a row (colum) ordered matrix.
CoinPackedMatrix::colOrdered_
bool colOrdered_
A flag indicating whether the matrix is column or row major ordered.
Definition: CoinPackedMatrix.hpp:900
CoinPackedMatrix::appendRow
void appendRow(const CoinPackedVectorBase &vec)
Append a row to the end of the matrix.
CoinPackedMatrix::getVectorSize
int getVectorSize(const int i) const
The length of i&#39;th vector.
Definition: CoinPackedMatrix.hpp:181
CoinPackedMatrix::getNumElements
CoinBigIndex getNumElements() const
Number of entries in the packed matrix.
Definition: CoinPackedMatrix.hpp:107
CoinPackedMatrix::submatrixOfWithDuplicates
void submatrixOfWithDuplicates(const CoinPackedMatrix &matrix, const int numMajor, const int *indMajor)
Extract a submatrix from matrix.
CoinPackedMatrix::size_
CoinBigIndex size_
the number of nonzero entries
Definition: CoinPackedMatrix.hpp:927
CoinPackedMatrix::deleteMajorVectors
void deleteMajorVectors(const int numDel, const int *indDel)
Delete the major-dimension vectors whose indices are listed in indDel.
CoinPackedMatrix::timesMajor
void timesMajor(const double *x, double *y) const
Return A * x (multiplied from the &quot;right&quot; direction) in y.
CoinShallowPackedVector.hpp
CoinPackedMatrix::deleteCols
void deleteCols(const int numDel, const int *indDel)
Delete the columns whose indices are listed in indDel.
CoinPackedMatrix::appendCols
void appendCols(const int numcols, const CoinPackedVectorBase *const *cols)
Append a set of columns to the end of the matrix.
CoinPackedMatrix::maxSize_
CoinBigIndex maxSize_
max space allocated for entries
Definition: CoinPackedMatrix.hpp:932
CoinPackedMatrix::length_
int * length_
Lengths of major-dimension vectors.
Definition: CoinPackedMatrix.hpp:920
CoinPackedMatrix::getVector
const CoinShallowPackedVector getVector(int i) const
Return the i&#39;th vector in matrix.
Definition: CoinPackedMatrix.hpp:190
CoinTypes.hpp
CoinPackedMatrix::dumpMatrix
void dumpMatrix(const char *fname=NULL) const
Dump the matrix on stdout.
CoinPackedMatrix::index_
int * index_
List of nonzero element minor-dimension indices.
Definition: CoinPackedMatrix.hpp:916
CoinPackedMatrix::getMutableVectorStarts
CoinBigIndex * getMutableVectorStarts() const
The positions where the major-dimension vectors start in element_ and index_.
Definition: CoinPackedMatrix.hpp:719
CoinPackedMatrix::getMajorIndices
int * getMajorIndices() const
Returns an array containing major indices.
CoinPackedMatrix::isEquivalent
bool isEquivalent(const CoinPackedMatrix &rhs, const FloatEqual &eq) const
Test for equivalence.
Definition: CoinPackedMatrix.hpp:656
CoinPackedMatrix::extraMajor_
double extraMajor_
his much times more space should be allocated for major-dimension vectors when the matrix is resized...
Definition: CoinPackedMatrix.hpp:909
CoinPackedMatrix::eliminateDuplicates
int eliminateDuplicates(double threshold)
Eliminate all duplicate AND small elements in matrix The column starts are not affected.
OsiUnitTest::verbosity
unsigned int verbosity
Verbosity level of unit tests.
CoinPackedMatrix::modifyCoefficient
void modifyCoefficient(int row, int column, double newElement, bool keepZero=false)
Modify one element of packed matrix.
CoinPackedMatrix::nullStartArray
void nullStartArray()
NULLify start array.
Definition: CoinPackedMatrix.hpp:735
CoinPackedMatrix::setDimensions
void setDimensions(int numrows, int numcols)
Set the dimensions of the matrix.
CoinPackedMatrix::nullLengthArray
void nullLengthArray()
NULLify length array.
Definition: CoinPackedMatrix.hpp:741
CoinShallowPackedVector
Shallow Sparse Vector.
Definition: CoinShallowPackedVector.hpp:74
CoinPackedMatrix::verifyMtx
int verifyMtx(int verbosity=1, bool zeroesAreError=false) const
Scan the matrix for anomalies.
CoinPackedMatrix::setNumElements
void setNumElements(CoinBigIndex value)
Change the size of the bulk store after modifying - be careful.
Definition: CoinPackedMatrix.hpp:723
CoinPackedMatrix::gutsOfCopyOfNoGaps
void gutsOfCopyOfNoGaps(const bool colordered, const int minor, const int major, const double *elem, const int *ind, const CoinBigIndex *start)
When no gaps we can do faster.
CoinPackedMatrix::maxMajorDim_
int maxMajorDim_
max space allocated for major-dimension
Definition: CoinPackedMatrix.hpp:930
CoinPackedMatrix::hasGaps
bool hasGaps() const
Whether the packed matrix has gaps or not.
Definition: CoinPackedMatrix.hpp:104
CoinPackedMatrix::setExtraGap
void setExtraGap(const double newGap)
Set the extra gap to be allocated to the specified value.
CoinPackedVectorBase::isEquivalent
bool isEquivalent(const CoinPackedVectorBase &rhs, const FloatEqual &eq) const
equivalent - If shallow packed vector A &amp; B are equivalent, then they are still equivalent no matter ...
Definition: CoinPackedVectorBase.hpp:140
CoinPackedMatrix::start_
CoinBigIndex * start_
Starting positions of major-dimension vectors.
Definition: CoinPackedMatrix.hpp:918
CoinPackedMatrix::minorDim_
int minorDim_
size of other dimension
Definition: CoinPackedMatrix.hpp:925
CoinPackedMatrix::isColOrdered
bool isColOrdered() const
Whether the packed matrix is column major ordered or not.
Definition: CoinPackedMatrix.hpp:101
CoinPackedMatrix::element_
double * element_
List of nonzero element values.
Definition: CoinPackedMatrix.hpp:913
CoinPackedMatrix::appendCol
void appendCol(const CoinPackedVectorBase &vec)
Append a column to the end of the matrix.
CoinPackedMatrix::submatrixOf
void submatrixOf(const CoinPackedMatrix &matrix, const int numMajor, const int *indMajor)
Extract a submatrix from matrix.
CoinPackedVectorBase
Abstract base class for various sparse vectors.
Definition: CoinPackedVectorBase.hpp:23
CoinPackedMatrix::reverseOrderedCopyOf
void reverseOrderedCopyOf(const CoinPackedMatrix &rhs)
Make a reverse-ordered copy.
CoinPackedMatrix::clear
void clear()
Clear the data, but do not free any arrays.
CoinPackedMatrix::timesMinor
void timesMinor(const double *x, double *y) const
Return A * x (multiplied from the &quot;right&quot; direction) in y.
CoinPackedMatrix::getMutableVectorLengths
int * getMutableVectorLengths() const
The lengths of the major-dimension vectors.
Definition: CoinPackedMatrix.hpp:721
CoinError.hpp
CoinPackedMatrix::majorDim_
int majorDim_
number of vectors in matrix
Definition: CoinPackedMatrix.hpp:923
CoinPackedMatrix::operator=
CoinPackedMatrix & operator=(const CoinPackedMatrix &rhs)
Assignment operator.
CoinPackedMatrix::getNumCols
int getNumCols() const
Number of columns.
Definition: CoinPackedMatrix.hpp:110
CoinPackedMatrix::nullIndexArray
void nullIndexArray()
NULLify index array.
Definition: CoinPackedMatrix.hpp:747
CoinPackedMatrix::appendMinor
int appendMinor(const int number, const CoinBigIndex *starts, const int *index, const double *element, int numberOther=-1)
Append a set of rows (columns) to the end of a column (row) ordered matrix.
CoinPackedVectorBase.hpp
CoinPackedMatrix::countOrthoLength
int * countOrthoLength() const
Count the number of entries in every minor-dimension vector and return an array containing these leng...
CoinPackedMatrix::minorAppendSameOrdered
void minorAppendSameOrdered(const CoinPackedMatrix &matrix)
Append the columns of the argument to the bottom end of this matrix.
CoinRelFltEq
Equality to a scaled tolerance.
Definition: CoinFloatEqual.hpp:110
CoinPackedMatrix::appendMinorVectors
void appendMinorVectors(const int numvecs, const CoinPackedVectorBase *const *vecs)
Append several minor-dimension vectors to the end of the matrix.
CoinPackedMatrix::times
void times(const double *x, double *y) const
Return A * x in y.
CoinPackedMatrix::getVectorStarts
const CoinBigIndex * getVectorStarts() const
The positions where the major-dimension vectors start in elements and indices.
Definition: CoinPackedMatrix.hpp:154
CoinPackedMatrix::setMinorDim
void setMinorDim(int value)
Set minor dimension.
Definition: CoinPackedMatrix.hpp:507
CoinPackedMatrix::deleteMinorVectors
void deleteMinorVectors(const int numDel, const int *indDel)
Delete the minor-dimension vectors whose indices are listed in indDel.
CoinPackedMatrix::orderMatrix
void orderMatrix()
Sort all columns so indices are increasing.in each column.
CoinPackedMatrix::assignMatrix
void assignMatrix(const bool colordered, const int minor, const int major, const CoinBigIndex numels, double *&elem, int *&ind, CoinBigIndex *&start, int *&len, const int maxmajor=-1, const CoinBigIndex maxsize=-1)
Assign the arguments to the matrix.
CoinPackedMatrix::bottomAppendPackedMatrix
void bottomAppendPackedMatrix(const CoinPackedMatrix &matrix)
Append the argument to the &quot;bottom&quot; of the current matrix.
CoinPackedMatrix::resizeForAddingMajorVectors
void resizeForAddingMajorVectors(const int numVec, const int *lengthVec)
CoinPackedMatrix::minorAppendOrthoOrdered
void minorAppendOrthoOrdered(const CoinPackedMatrix &matrix)
Append the rows of the argument to the bottom end of this matrix.
CoinPackedMatrix::getMutableElements
double * getMutableElements() const
A vector containing the elements in the packed matrix.
Definition: CoinPackedMatrix.hpp:709
CoinPackedMatrix::setMajorDim
void setMajorDim(int value)
Set major dimension.
Definition: CoinPackedMatrix.hpp:501
CoinPackedMatrix::getLastStart
CoinBigIndex getLastStart() const
Definition: CoinPackedMatrix.hpp:890
CoinPackedMatrix::getElements
const double * getElements() const
A vector containing the elements in the packed matrix.
Definition: CoinPackedMatrix.hpp:124
CoinPackedMatrix::~CoinPackedMatrix
virtual ~CoinPackedMatrix()
Destructor.
CoinPackedMatrix::deleteRows
void deleteRows(const int numDel, const int *indDel)
Delete the rows whose indices are listed in indDel.
CoinPackedMatrix::gutsOfCopyOf
void gutsOfCopyOf(const bool colordered, const int minor, const int major, const CoinBigIndex numels, const double *elem, const int *ind, const CoinBigIndex *start, const int *len, const double extraMajor=0.0, const double extraGap=0.0)
CoinPackedMatrix::getSizeVectorLengths
int getSizeVectorLengths() const
The size of the vectorLengths array.
Definition: CoinPackedMatrix.hpp:147
CoinPackedMatrix::appendMinorVector
void appendMinorVector(const CoinPackedVectorBase &vec)
Append a minor-dimension vector to the end of the matrix.
CoinPackedMatrix::compress
int compress(double threshold)
Eliminate all elements in matrix whose absolute value is less than threshold.
CoinPackedMatrix::getNumRows
int getNumRows() const
Number of rows.
Definition: CoinPackedMatrix.hpp:114
CoinPackedMatrix::getVectorLast
CoinBigIndex getVectorLast(const int i) const
The position of the last element (well, one entry past the last) in the i&#39;th major-dimension vector...
Definition: CoinPackedMatrix.hpp:173
CoinPackedMatrix::gutsOfDestructor
void gutsOfDestructor()
CoinPackedMatrix::majorAppendOrthoOrdered
void majorAppendOrthoOrdered(const CoinPackedMatrix &matrix)
Append the rows of the argument to the right end of this matrix.
CoinPackedMatrix::getMaxMajorDim
int getMaxMajorDim() const
Current maximum for major dimension.
Definition: CoinPackedMatrix.hpp:511
CoinPackedMatrix
Sparse Matrix Base Class.
Definition: CoinPackedMatrix.hpp:79
CoinPackedMatrix::getExtraGap
double getExtraGap() const
Return the current setting of the extra gap.
Definition: CoinPackedMatrix.hpp:89
CoinPackedMatrix::reverseOrdering
void reverseOrdering()
Reverse the ordering of the packed matrix.
CoinPackedMatrix::copyOf
void copyOf(const CoinPackedMatrix &rhs)
Copy method.
CoinPackedMatrix::replaceVector
void replaceVector(const int index, const int numReplace, const double *newElements)
Replace the elements of a vector.
CoinPackedMatrix::extraGap_
double extraGap_
This much times more space should be allocated for each major-dimension vector (with respect to the n...
Definition: CoinPackedMatrix.hpp:905
CoinBigIndex
int CoinBigIndex
Definition: Coin_C_defines.h:105
CoinPackedMatrix::getVectorLengths
const int * getVectorLengths() const
The lengths of the major-dimension vectors.
Definition: CoinPackedMatrix.hpp:160
CoinPackedMatrix::isEquivalent2
bool isEquivalent2(const CoinPackedMatrix &rhs) const
Test for equivalence and report differences.
CoinPackedMatrix::nullElementArray
void nullElementArray()
NULLify element array.
Definition: CoinPackedMatrix.hpp:729
CoinPackedMatrix::appendMajorVector
void appendMajorVector(const CoinPackedVectorBase &vec)
Append a major-dimension vector to the end of the matrix.
CoinPackedMatrix::getIndices
const int * getIndices() const
A vector containing the minor indices of the elements in the packed matrix.
Definition: CoinPackedMatrix.hpp:134
CoinPackedMatrix::transposeTimes
void transposeTimes(const double *x, double *y) const
Return x * A in y.
CoinPackedMatrix::appendMajorVectors
void appendMajorVectors(const int numvecs, const CoinPackedVectorBase *const *vecs)
Append several major-dimensonvectors to the end of the matrix.
CoinPackedMatrix::gutsOfOpEqual
void gutsOfOpEqual(const bool colordered, const int minor, const int major, const CoinBigIndex numels, const double *elem, const int *ind, const CoinBigIndex *start, const int *len)
CoinPackedMatrix::getMutableIndices
int * getMutableIndices() const
A vector containing the minor indices of the elements in the packed matrix.
Definition: CoinPackedMatrix.hpp:715
CoinPackedMatrixUnitTest
void CoinPackedMatrixUnitTest()
Test the methods in the CoinPackedMatrix class.
CoinPackedMatrix::getExtraMajor
double getExtraMajor() const
Return the current setting of the extra major.
Definition: CoinPackedMatrix.hpp:91
CoinPackedMatrix::printMatrixElement
void printMatrixElement(const int row_val, const int col_val) const
Print a single matrix element.
CoinPackedMatrix::getSizeVectorStarts
int getSizeVectorStarts() const
The size of the vectorStarts array.
Definition: CoinPackedMatrix.hpp:140
CoinPackedMatrix::setExtraMajor
void setExtraMajor(const double newMajor)
Set the extra major to be allocated to the specified value.
CoinPackedMatrix::CoinPackedMatrix
CoinPackedMatrix()
Default Constructor creates an empty column ordered packed matrix.
CoinPackedMatrix::getMinorDim
int getMinorDim() const
Minor dimension.
Definition: CoinPackedMatrix.hpp:504
CoinPackedMatrix::getVectorFirst
CoinBigIndex getVectorFirst(const int i) const
The position of the first element in the i&#39;th major-dimension vector.
Definition: CoinPackedMatrix.hpp:164
CoinPackedMatrix::resizeForAddingMinorVectors
void resizeForAddingMinorVectors(const int *addedEntries)
CoinPackedMatrix::CoinPackedMatrixUnitTest
friend void CoinPackedMatrixUnitTest()
Test the methods in the CoinPackedMatrix class.
CoinPackedMatrix::swap
void swap(CoinPackedMatrix &matrix)
Swap the content of two packed matrices.
CoinPackedMatrix::appendRows
void appendRows(const int numrows, const CoinPackedVectorBase *const *rows)
Append a set of rows to the end of the matrix.
CoinPackedMatrix::rightAppendPackedMatrix
void rightAppendPackedMatrix(const CoinPackedMatrix &matrix)
Append the argument to the &quot;right&quot; of the current matrix.
CoinPackedMatrix::appendMinorFast
void appendMinorFast(const int number, const CoinBigIndex *starts, const int *index, const double *element)
Append a set of rows (columns) to the end of a column (row) ordered matrix.
CoinPackedMatrix::getCoefficient
double getCoefficient(int row, int column) const
Return one element of packed matrix.
CoinPackedMatrix::cleanMatrix
int cleanMatrix(double threshold=1.0e-20)
Really clean up matrix.
CoinPackedMatrix::getMajorDim
int getMajorDim() const
Major dimension.
Definition: CoinPackedMatrix.hpp:498
CoinPackedMatrix::copyReuseArrays
void copyReuseArrays(const CoinPackedMatrix &rhs)
Copy method.