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HuberLinsys.h

/* OOQP                                                               *
 * Authors: E. Michael Gertz, Stephen J. Wright                       *
 * (C) 2001 University of Chicago. See Copyright Notification in OOQP */

#ifndef HuberLINSYS_H
#define HuberLINSYS_H

#include "LinearSystem.h"

class Data;
class Variables;
class Residuals;
class DoubleLinearSolver;

#include "DenseSymMatrixHandle.h"
#include "SimpleVectorHandle.h"

class HuberLinsys : public LinearSystem
{
private:
  DenseSymMatrixHandle L;

  DoubleLinearSolver * solver;

  SimpleVectorHandle mDinv;

  SimpleVectorHandle mDinvColX, mColOfL;
public:


  HuberLinsys( Data * prob );
  ~HuberLinsys();
  virtual void factor(Data *prob, Variables *vars);
  virtual void solve(Data *prob, Variables *vars, Residuals *rhs,
                     Variables *step);
};


#endif

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