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GondzioSolver.h

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

#ifndef GONALGORITHM_H
#define GONALGORITHM_H

#include "Solver.h"

class Data;
class Variables;
class ProblemFormulation;


class GondzioSolver : public Solver
{
protected:

  int        printlevel;

  double     tsig;

  int        maximum_correctors;

  int        NumberGondzioCorrections;

  double     StepFactor0, StepFactor1, AcceptTol, beta_min, beta_max;

  Variables *corrector_step, *step;

  Residuals *corrector_resid;

  ProblemFormulation * factory;

public:

  GondzioSolver( ProblemFormulation * of, Data * prob );

  virtual ~GondzioSolver();

  virtual int solve( Data *prob, Variables *iterate, Residuals * resid );

  virtual void reset_parameters() {};

  virtual void defaultMonitor( Data * data, Variables * vars,
                                                           Residuals * resids,
                                                           double alpha, double sigma,
                                                           int i, double mu, 
                                                           int status_code,
                                                           int level ) ;

};

#endif

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