ClpLsqr.hpp

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/* $Id$ */
// Copyright (C) 2003, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
#ifndef ClpLsqr_H_
#define ClpLsqr_H_
 
#include "CoinDenseVector.hpp"
 
#include "ClpInterior.hpp"

class ClpLsqr {
private:

 
public:

  int nrows_;
  int ncols_;
  ClpInterior *model_;
  double *diag1_;
  double diag2_;

  ClpLsqr();

  ClpLsqr(ClpInterior *model);
  ClpLsqr(const ClpLsqr &);
  ClpLsqr &operator=(const ClpLsqr &rhs);
  ~ClpLsqr();


  bool setParam(char *parmName, int parmValue);
  void do_lsqr(CoinDenseVector< double > &b,
    double damp, double atol, double btol, double conlim, int itnlim,
    bool show, Info info, CoinDenseVector< double > &x, int *istop,
    int *itn, Outfo *outfo, bool precon, CoinDenseVector< double > &Pr);
  void matVecMult(int, CoinDenseVector< double > *, CoinDenseVector< double > *);
 
  void matVecMult(int, CoinDenseVector< double > &, CoinDenseVector< double > &);
  void borrowDiag1(double *array)
  {
    diag1_ = array;
  };

};
#endif
 
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