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 numberInBasis(const int * columnIsBasic) const ;
00060 virtual CoinBigIndex fillBasis(const ClpSimplex * model,
00061 const int * columnIsBasic, int & numberBasic,
00062 int * row, int * column,
00063 double * element) const ;
00066 virtual CoinBigIndex fillBasis(const ClpSimplex * model,
00067 const int * whichColumn,
00068 int numberRowBasic,
00069 int numberColumnBasic,
00070 int * row, int * column,
00071 double * element) const ;
00074 virtual void unpack(const ClpSimplex * model,CoinIndexedVector * rowArray,
00075 int column) const ;
00080 virtual void unpackPacked(ClpSimplex * model,
00081 CoinIndexedVector * rowArray,
00082 int column) const;
00085 virtual void add(const ClpSimplex * model,CoinIndexedVector * rowArray,
00086 int column, double multiplier) const ;
00088 virtual void releaseDummyMatrix() const { };
00090
00096 virtual void times(double scalar,
00097 const double * x, double * y) const;
00099 virtual void times(double scalar,
00100 const double * x, double * y,
00101 const double * rowScale,
00102 const double * columnScale) const;
00106 virtual void transposeTimes(double scalar,
00107 const double * x, double * y) const;
00109 virtual void transposeTimes(double scalar,
00110 const double * x, double * y,
00111 const double * rowScale,
00112 const double * columnScale) const;
00117 virtual void transposeTimes(const ClpSimplex * model, double scalar,
00118 const CoinIndexedVector * x,
00119 CoinIndexedVector * y,
00120 CoinIndexedVector * z) const;
00125 virtual void subsetTransposeTimes(const ClpSimplex * model,
00126 const CoinIndexedVector * x,
00127 const CoinIndexedVector * y,
00128 CoinIndexedVector * z) const;
00130
00133
00134
00135
00139 ClpDummyMatrix();
00141 ClpDummyMatrix(int numberColumns, int numberRows,
00142 int numberElements);
00144 virtual ~ClpDummyMatrix();
00146
00150 ClpDummyMatrix(const ClpDummyMatrix&);
00152 ClpDummyMatrix(const CoinPackedMatrix&);
00153
00154 ClpDummyMatrix& operator=(const ClpDummyMatrix&);
00156 virtual ClpMatrixBase * clone() const ;
00158
00159
00160 protected:
00164
00165 int numberRows_;
00167 int numberColumns_;
00169 int numberElements_;
00170
00172 };
00173
00174 #endif