6 #ifndef ClpDualRowPivot_H
7 #define ClpDualRowPivot_H
48 double &changeInObjective)
130 #ifndef CLP_DUAL_COLUMN_MULTIPLIER
virtual ClpDualRowPivot * clone(bool copyData=true) const =0
Clone.
virtual double updateWeights(CoinIndexedVector *input, CoinIndexedVector *spare, CoinIndexedVector *spare2, CoinIndexedVector *updatedColumn)=0
Updates weights and returns pivot alpha.
void setModel(ClpSimplex *newmodel)
Sets model (normally to NULL)
ClpSimplex * model_
Pointer to model.
ClpDualRowPivot()
Default Constructor.
This solves LPs using the simplex method.
virtual void clearArrays()
Gets rid of all arrays (may be empty)
virtual void saveWeights(ClpSimplex *model, int mode)
Saves any weights round factorization as pivot rows may change Will be empty unless steepest edge (wi...
virtual void updatePrimalSolution(CoinIndexedVector *input, double theta, double &changeInObjective)=0
Updates primal solution (and maybe list of candidates) Uses input vector which it deletes Computes ch...
virtual void checkAccuracy()
checks accuracy and may re-initialize (may be empty)
virtual ~ClpDualRowPivot()
Destructor.
virtual void maximumPivotsChanged()
Called when maximum pivots changes.
virtual bool looksOptimal() const
Returns true if would not find any row.
int type()
Returns type (above 63 is extra information)
int type_
Type of row pivot algorithm.
Dual Row Pivot Abstract Base Class.
virtual void unrollWeights()
Gets rid of last update (may be empty)
ClpDualRowPivot & operator=(const ClpDualRowPivot &rhs)
Assignment operator.
virtual int pivotRow()=0
Returns pivot row, -1 if none.
ClpSimplex * model()
Returns model.