6#ifndef ClpDummyMatrix_H
7#define ClpDummyMatrix_H
9#include "CoinPragma.hpp"
63 virtual void deleteCols(
const int numDel,
const int *indDel);
65 virtual void deleteRows(
const int numDel,
const int *indDel);
70 int &numberColumnBasic);
73 const int *whichColumn,
74 int &numberColumnBasic,
76 int *rowCount,
int *columnCount,
77 CoinFactorizationDouble *element);
87 CoinIndexedVector *rowArray,
92 int column,
double multiplier)
const;
95 int column,
double multiplier)
const;
107 const double *x,
double *y)
const;
110 const double *x,
double *y,
111 const double *rowScale,
112 const double *columnScale)
const;
117 const double *x,
double *y)
const;
120 const double *x,
double *y,
121 const double *rowScale,
122 const double *columnScale)
const;
129 const CoinIndexedVector *x,
130 CoinIndexedVector *y,
131 CoinIndexedVector *z)
const;
137 const CoinIndexedVector *x,
138 const CoinIndexedVector *y,
139 CoinIndexedVector *z)
const;
This implements a dummy matrix as derived from ClpMatrixBase.
virtual void transposeTimes(const ClpSimplex *model, double scalar, const CoinIndexedVector *x, CoinIndexedVector *y, CoinIndexedVector *z) const
Return x * scalar * A + y in z.
int numberRows_
Number of rows.
virtual void add(const ClpSimplex *model, double *array, int column, double multiplier) const
Adds multiple of a column into an array.
virtual bool isColOrdered() const
Whether the packed matrix is column major ordered or not.
virtual void unpack(const ClpSimplex *model, CoinIndexedVector *rowArray, int column) const
Unpacks a column into an CoinIndexedvector.
virtual ClpMatrixBase * clone() const
Clone.
ClpDummyMatrix(int numberColumns, int numberRows, int numberElements)
Constructor with data.
int numberElements_
Number of elements.
virtual int getNumRows() const
Number of rows.
ClpDummyMatrix()
Default constructor.
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.
ClpDummyMatrix(const CoinPackedMatrix &)
The copy constructor from an CoinDummyMatrix.
virtual void releasePackedMatrix() const
Allow any parts of a created CoinMatrix to be deleted Allow any parts of a created CoinPackedMatrix t...
int numberColumns_
Number of columns.
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 CoinPackedMatrix * getPackedMatrix() const
Return a complete CoinPackedMatrix.
virtual CoinBigIndex getNumElements() const
Number of entries in the packed matrix.
virtual const int * getIndices() const
A vector containing the minor indices of the elements in the packed matrix.
virtual ~ClpDummyMatrix()
Destructor.
virtual void times(double scalar, const double *x, double *y) const
Return y + A * scalar *x in y.
virtual void transposeTimes(double scalar, const double *x, double *y) const
Return y + x * scalar * A in y.
ClpDummyMatrix(const ClpDummyMatrix &)
The copy constructor.
virtual void transposeTimes(double scalar, const double *x, double *y, const double *rowScale, const double *columnScale) const
And for scaling.
virtual int countBasis(const int *whichColumn, int &numberColumnBasic)
Returns number of elements in column part of basis.
virtual const double * getElements() const
A vector containing the elements in the packed matrix.
virtual const int * getVectorLengths() const
The lengths of the major-dimension vectors.
virtual void deleteCols(const int numDel, const int *indDel)
Delete the columns whose indices are listed in indDel.
virtual ClpMatrixBase * reverseOrderedCopy() const
Returns a new matrix in reverse order without gaps.
virtual void times(double scalar, const double *x, double *y, const double *rowScale, const double *columnScale) const
And for scaling.
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 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 const CoinBigIndex * getVectorStarts() const
ClpDummyMatrix & operator=(const ClpDummyMatrix &)
virtual int getNumCols() const
Number of columns.
virtual void deleteRows(const int numDel, const int *indDel)
Delete the rows whose indices are listed in indDel.
Abstract base class for Clp Matrices.
virtual void transposeTimes(double scalar, const double *COIN_RESTRICT x, double *COIN_RESTRICT y) const =0
Return y + x * scalar * A in y.
This solves LPs using the simplex method.