00001
00002
00003 #ifndef ClpDummyMatrix_H
00004 #define ClpDummyMatrix_H
00005
00006
00007 #include "CoinPragma.hpp"
00008
00009 #include "ClpMatrixBase.hpp"
00010
00017 class ClpDummyMatrix : public ClpMatrixBase {
00018
00019 public:
00022
00023 virtual CoinPackedMatrix * getPackedMatrix() const;
00025 virtual bool isColOrdered() const { return true; }
00027 virtual CoinBigIndex getNumElements() const
00028 { return numberElements_; }
00030 virtual int getNumCols() const { return numberColumns_; }
00032 virtual int getNumRows() const { return numberRows_; };
00033
00038 virtual const double * getElements() const;
00044 virtual const int * getIndices() const;
00045
00046 virtual const CoinBigIndex * getVectorStarts() const;
00048 virtual const int * getVectorLengths() const;
00049
00051 virtual void deleteCols(const int numDel, const int * indDel);
00053 virtual void deleteRows(const int numDel, const int * indDel);
00055 virtual ClpMatrixBase * reverseOrderedCopy() const;
00058 virtual CoinBigIndex fillBasis(ClpSimplex * model,
00059 const int * whichColumn,
00060 int numberRowBasic,
00061 int & numberColumnBasic,
00062 int * row, int * column,
00063 double * element) ;
00066 virtual void unpack(const ClpSimplex * model,CoinIndexedVector * rowArray,
00067 int column) const ;
00072 virtual void unpackPacked(ClpSimplex * model,
00073 CoinIndexedVector * rowArray,
00074 int column) const;
00077 virtual void add(const ClpSimplex * model,CoinIndexedVector * rowArray,
00078 int column, double multiplier) const ;
00080 virtual void add(const ClpSimplex * model,double * array,
00081 int column, double multiplier) const;
00084 virtual void releasePackedMatrix() const {};
00086
00092 virtual void times(double scalar,
00093 const double * x, double * y) const;
00095 virtual void times(double scalar,
00096 const double * x, double * y,
00097 const double * rowScale,
00098 const double * columnScale) const;
00102 virtual void transposeTimes(double scalar,
00103 const double * x, double * y) const;
00105 virtual void transposeTimes(double scalar,
00106 const double * x, double * y,
00107 const double * rowScale,
00108 const double * columnScale) const;
00113 virtual void transposeTimes(const ClpSimplex * model, double scalar,
00114 const CoinIndexedVector * x,
00115 CoinIndexedVector * y,
00116 CoinIndexedVector * z) const;
00121 virtual void subsetTransposeTimes(const ClpSimplex * model,
00122 const CoinIndexedVector * x,
00123 const CoinIndexedVector * y,
00124 CoinIndexedVector * z) const;
00126
00129
00130
00131
00135 ClpDummyMatrix();
00137 ClpDummyMatrix(int numberColumns, int numberRows,
00138 int numberElements);
00140 virtual ~ClpDummyMatrix();
00142
00146 ClpDummyMatrix(const ClpDummyMatrix&);
00148 ClpDummyMatrix(const CoinPackedMatrix&);
00149
00150 ClpDummyMatrix& operator=(const ClpDummyMatrix&);
00152 virtual ClpMatrixBase * clone() const ;
00154
00155
00156 protected:
00160
00161 int numberRows_;
00163 int numberColumns_;
00165 int numberElements_;
00166
00168 };
00169
00170 #endif