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00011 #ifndef ClpNetworkBasis_H
00012 #define ClpNetworkBasis_H
00013
00014 class ClpMatrixBase;
00015 class CoinIndexedVector;
00016 class ClpSimplex;
00017 #include "CoinFinite.hpp"
00018 #ifndef COIN_FAST_CODE
00019 #define COIN_FAST_CODE
00020 #endif
00021
00026 class ClpNetworkBasis {
00027
00028 public:
00029
00032
00033 ClpNetworkBasis ( );
00035 ClpNetworkBasis(const ClpSimplex * model,
00036 int numberRows, const CoinFactorizationDouble * pivotRegion,
00037 const int * permuteBack, const CoinBigIndex * startColumn,
00038 const int * numberInColumn,
00039 const int * indexRow, const CoinFactorizationDouble * element);
00041 ClpNetworkBasis ( const ClpNetworkBasis &other);
00042
00044 ~ClpNetworkBasis ( );
00046 ClpNetworkBasis & operator = ( const ClpNetworkBasis & other );
00048
00059 int factorize ( const ClpMatrixBase * matrix,
00060 int rowIsBasic[], int columnIsBasic[]);
00062
00065
00069 int replaceColumn ( CoinIndexedVector * column,
00070 int pivotRow);
00072
00079 double updateColumn ( CoinIndexedVector * regionSparse,
00080 CoinIndexedVector * regionSparse2,
00081 int pivotRow);
00087 int updateColumn ( CoinIndexedVector * regionSparse,
00088 double array[] ) const;
00095 int updateColumnTranspose ( CoinIndexedVector * regionSparse,
00096 double array[] ) const;
00098 int updateColumnTranspose ( CoinIndexedVector * regionSparse,
00099 CoinIndexedVector * regionSparse2) const;
00101
00102 private:
00103
00104
00105 void check();
00106
00107 void print();
00110 #ifndef COIN_FAST_CODE
00111
00112 double slackValue_;
00113 #endif
00114
00115 int numberRows_;
00117 int numberColumns_;
00119 const ClpSimplex * model_;
00121 int * parent_;
00123 int * descendant_;
00125 int * pivot_;
00127 int * rightSibling_;
00129 int * leftSibling_;
00131 double * sign_;
00133 int * stack_;
00135 int * permute_;
00137 int * permuteBack_;
00139 int * stack2_;
00141 int * depth_;
00143 char * mark_;
00145 };
00146 #endif