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SvmData.h

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

#ifndef SVMDATA_H
#define SVMDATA_H

#include "Data.h"
#include "DenseGenMatrixHandle.h"
#include "DenseSymMatrixHandle.h"
#include "SimpleVectorHandle.h"

class SvmData : public Data
{
 public:

  SvmData(int hyperplanedim_in, int nobservations_in,
          double penalty  );

  SvmData(int hyperplanedim_in, int nobservations_in, double * X, double * d,
          double penalty );

  ~SvmData();

  static SvmData * textInput(char filename[], double penalty, int &iErr);

  double mPenalty;

  int hyperplanedim;    

  int nobservations;  

  DenseGenMatrixHandle Yt; 

  SimpleVectorHandle  categories; 

  virtual void YMult( double beta, SimpleVector& y,
                      double alpha, SimpleVector& x );
  
  virtual void YTransMult( double beta, SimpleVector& y,
                           double alpha, SimpleVector& x );

  virtual double dotCategories( SimpleVector & v );

  virtual double datanorm();
  virtual void datarandom();
  virtual void datainput() { };
  virtual void print() {};
  double penalty() { return mPenalty; }
};

enum { svminputok = 0,
       svmfileopenerror = -1,  // couldn't find the designated input file
       svmfileinputerror = -2, // not enough input, or error on input
       svmlabelerror = -3    // there were not exactly two distinct labels
}; 

#endif

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