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/files2/home/rwaltz/Software/COIN/Clp/include/ClpCholeskyWssmpKKT.hpp

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00001 // Copyright (C) 2004, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef ClpCholeskyWssmpKKT_H
00004 #define ClpCholeskyWssmpKKT_H
00005 
00006 #include "ClpCholeskyBase.hpp"
00007 
00008 
00012 class ClpMatrixBase;
00013 class ClpCholeskyDense;
00014 class ClpCholeskyWssmpKKT : public ClpCholeskyBase {
00015   
00016 public:
00021   virtual int order(ClpInterior * model) ;
00024   virtual int factorize(const double * diagonal, int * rowsDropped) ;
00026   virtual void solve (double * region) ;
00029   virtual void solveKKT (double * region1, double * region2, const double * diagonal,
00030                          double diagonalScaleFactor);
00032 
00033 
00038   ClpCholeskyWssmpKKT(int denseThreshold=-1);
00040   virtual ~ClpCholeskyWssmpKKT();
00041   // Copy
00042   ClpCholeskyWssmpKKT(const ClpCholeskyWssmpKKT&);
00043   // Assignment
00044   ClpCholeskyWssmpKKT& operator=(const ClpCholeskyWssmpKKT&);
00046   virtual ClpCholeskyBase * clone() const ;
00048    
00049     
00050 private:
00053 
00054   double * sparseFactor_;
00056   CoinBigIndex * choleskyStart_;
00058   int * choleskyRow_;
00060   CoinBigIndex sizeFactor_;
00062   int integerParameters_[64];
00064   double doubleParameters_[64];
00066   int denseThreshold_;
00068 };
00069 
00070 #endif

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