Coin-All: /home/coin/SVN-release/CoinAll-1.1.0/Clp/src/ClpLsqr.hpp Source File

00001 // Copyright (C) 2003, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef ClpLsqr_H_
00004 #define ClpLsqr_H_
00005 
00006 #include "CoinDenseVector.hpp"
00007 
00008 #include "ClpInterior.hpp"
00009 
00010 
00073 class ClpLsqr{
00074 private:
00077 
00078 
00079 public:
00082 
00083   int          nrows_;
00085   int          ncols_;
00087   ClpInterior        *model_;
00089   double         *diag1_;
00091   double         diag2_;
00093 
00096   ClpLsqr();
00097 
00099   ClpLsqr(ClpInterior *model);
00101   ClpLsqr(const ClpLsqr &);
00103     ClpLsqr & operator=(const ClpLsqr & rhs);
00105   ~ClpLsqr();
00107 
00110 
00111   bool setParam(char *parmName, int parmValue);
00113  void do_lsqr( CoinDenseVector<double> &b,  
00114                 double damp, double atol, double btol, double conlim, int itnlim, 
00115                 bool show, Info info, CoinDenseVector<double> &x , int *istop,
00116                 int *itn, Outfo *outfo, bool precon, CoinDenseVector<double> &Pr );
00118   void matVecMult( int, CoinDenseVector<double> *, CoinDenseVector<double> *);
00119 
00120   void matVecMult( int, CoinDenseVector<double> &, CoinDenseVector<double> &);
00122   void borrowDiag1(double * array)
00123   { diag1_=array;};
00125 };
00126 #endif
00127 
00128 
00129 
00130