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/home/coinadmin/Update/COIN/Clp/include/ClpCholeskyTaucs.hpp

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00001 // Copyright (C) 2004, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef ClpCholeskyTaucs_H
00004 #define ClpCholeskyTaucs_H
00005 #include "taucs.h"
00006 #include "ClpCholeskyBase.hpp"
00007 
00008 
00055 class ClpMatrixBase;
00056 class ClpCholeskyTaucs : public ClpCholeskyBase {
00057   
00058 public:
00063   virtual int order(ClpInterior * model) ;
00066   virtual int factorize(const double * diagonal, int * rowsDropped) ;
00068   virtual void solve (double * region) ;
00070 
00071 
00075   ClpCholeskyTaucs();
00077   virtual ~ClpCholeskyTaucs();
00078   // Copy
00079   ClpCholeskyTaucs(const ClpCholeskyTaucs&);
00080   // Assignment
00081   ClpCholeskyTaucs& operator=(const ClpCholeskyTaucs&);
00083   virtual ClpCholeskyBase * clone() const ;
00085    
00086     
00087 private:
00090 
00091   taucs_ccs_matrix * matrix_;
00093   void * factorization_;
00095   double * sparseFactor_;
00097   CoinBigIndex * choleskyStart_;
00099   int * choleskyRow_;
00101   CoinBigIndex sizeFactor_;
00103   ClpMatrixBase * rowCopy_;
00105 };
00106 
00107 #endif

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