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SvmVars.h

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

#ifndef SVMVARS_H
#define SVMVARS_H

#include "SimpleVectorHandle.h"
#include <iostream.h>

#include "Variables.h"

class SvmVars : public Variables
{
public:

  int hyperplanedim;

  int nobservations;

  SimpleVectorHandle z, w, u, v, s;
  double beta;

  SvmVars(int hyperplanedim_in, int nobservations_in);

  SvmVars(int hyperplanedim_in, int nobservations_in,
          double w[], double v[], double z[], double u[], double s[] );

  virtual ~SvmVars();

  virtual void saxpy( Variables *b, double alpha );

  virtual void negate();

  virtual double mu();

  virtual double mustep(Variables *step, double alpha);

  virtual double stepbound( Variables *b );

  virtual void interiorPoint( double alpha, double beta );
  virtual void shiftBoundVariables( double alpha, double beta );
  virtual double violation();

  virtual void print();

  virtual void printCoefs();

  virtual void copy(Variables *b);

  virtual double findBlocking( Variables * step, 
                               double & primalValue,
                               double & primalStep,
                               double & dualValue,
                               double & dualStep,
                               int& firstOrSecond );

  virtual void asMfile( ostream& os );

  virtual double onenorm();
  virtual double infnorm();
};

#endif

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