4 #ifndef ClpDummyMatrix_H
5 #define ClpDummyMatrix_H
8 #include "CoinPragma.hpp"
59 virtual void deleteCols(
const int numDel,
const int * indDel);
61 virtual void deleteRows(
const int numDel,
const int * indDel);
65 virtual CoinBigIndex
countBasis(
const int * whichColumn,
66 int & numberColumnBasic);
69 const int * whichColumn,
70 int & numberColumnBasic,
71 int * row,
int * start,
72 int * rowCount,
int * columnCount,
73 CoinFactorizationDouble * element);
83 CoinIndexedVector * rowArray,
87 virtual void add(
const ClpSimplex * model, CoinIndexedVector * rowArray,
88 int column,
double multiplier)
const ;
91 int column,
double multiplier)
const;
102 virtual void times(
double scalar,
103 const double * x,
double * y)
const;
105 virtual void times(
double scalar,
106 const double * x,
double * y,
107 const double * rowScale,
108 const double * columnScale)
const;
113 const double * x,
double * y)
const;
116 const double * x,
double * y,
117 const double * rowScale,
118 const double * columnScale)
const;
125 const CoinIndexedVector * x,
126 CoinIndexedVector * y,
127 CoinIndexedVector * z)
const;
133 const CoinIndexedVector * x,
134 const CoinIndexedVector * y,
135 CoinIndexedVector * z)
const;
virtual void fillBasis(ClpSimplex *model, const int *whichColumn, int &numberColumnBasic, int *row, int *start, int *rowCount, int *columnCount, CoinFactorizationDouble *element)
Fills in column part of basis.
virtual int getNumRows() const
Number of rows.
virtual int getNumCols() const
Number of columns.
virtual void subsetTransposeTimes(const ClpSimplex *model, const CoinIndexedVector *x, const CoinIndexedVector *y, CoinIndexedVector *z) const
Return x *A in z but just for indices in y.
virtual void deleteRows(const int numDel, const int *indDel)
Delete the rows whose indices are listed in indDel.
This implements a dummy matrix as derived from ClpMatrixBase.
virtual bool isColOrdered() const
Whether the packed matrix is column major ordered or not.
virtual const CoinBigIndex * getVectorStarts() const
Return a complete CoinPackedMatrix.
virtual ClpMatrixBase * clone() const
Clone.
ClpDummyMatrix()
Default constructor.
int numberColumns_
Number of columns.
virtual void transposeTimes(double scalar, const double *x, double *y) const
Return y + x * scalar * A in y.
virtual void releasePackedMatrix() const
Allow any parts of a created CoinMatrix to be deleted Allow any parts of a created CoinPackedMatrix t...
virtual CoinPackedMatrix * getPackedMatrix() const
Return a complete CoinPackedMatrix.
virtual const int * getVectorLengths() const
The lengths of the major-dimension vectors.
ClpDummyMatrix & operator=(const ClpDummyMatrix &)
The copy constructor.
virtual void unpack(const ClpSimplex *model, CoinIndexedVector *rowArray, int column) const
Unpacks a column into an CoinIndexedvector.
This solves LPs using the simplex method.
virtual void deleteCols(const int numDel, const int *indDel)
Delete the columns whose indices are listed in indDel.
Abstract base class for Clp Matrices.
virtual void times(double scalar, const double *x, double *y) const
Return y + A * scalar *x in y.
virtual CoinBigIndex countBasis(const int *whichColumn, int &numberColumnBasic)
Returns number of elements in column part of basis.
int numberRows_
Number of rows.
int numberElements_
Number of elements.
virtual const int * getIndices() const
A vector containing the minor indices of the elements in the packed matrix.
virtual ~ClpDummyMatrix()
Destructor.
virtual void unpackPacked(ClpSimplex *model, CoinIndexedVector *rowArray, int column) const
Unpacks a column into an CoinIndexedvector in packed foramt Note that model is NOT const...
virtual ClpMatrixBase * reverseOrderedCopy() const
Returns a new matrix in reverse order without gaps.
virtual void add(const ClpSimplex *model, CoinIndexedVector *rowArray, int column, double multiplier) const
Adds multiple of a column into an CoinIndexedvector You can use quickAdd to add to vector...
virtual const double * getElements() const
A vector containing the elements in the packed matrix.
virtual CoinBigIndex getNumElements() const
Number of entries in the packed matrix.
virtual void transposeTimes(double scalar, const double *x, double *y) const =0
Return y + x * scalar * A in y.