cons_obj.h

#ifndef SCIL_CONS_OBJ_H
#define SCIL_CONS_OBJ_H

#include <LEDA/map.h>
#undef set
#include <scil/global.h>
#include <scil/subproblem.h>

namespace SCIL {

class var_obj;
class row;

class ABA_Constraint;


class cons_obj
{
  friend class ILP_Problem;
  friend class subproblem;
  friend class ABA_Constraint;

private:
  double rhs_;
  cons_sense sense_;
  ABA_Constraint *Ref_Acons;

public:
  LEDA_MEMORY(cons_obj)

  Activation Act; // TODO provide function

  LEDA::map < var_obj *, double >CM;

  cons_obj (cons_sense s, double rhs);

  cons_obj ();

  void init (subproblem & S_, int n, Activation a);

  void init (ILP_Problem & IP, int n, Activation a);

  virtual double coeff (var_obj * v) {
    return 0;
  };

  void set_sense (cons_sense s);

  void set_rhs (double r);

  ABA_Constraint *Acons ();

  virtual double rhs ();

  virtual cons_sense sense ();

  virtual double coeff (ABA_VARIABLE * v);

  bool violated (subproblem & S);

  double slack(subproblem& S);

  void set (var_obj * v, double d);

  virtual void non_zero_entries (row & r)
  {
  };

  virtual int genRow (Active_Variables * var, Row & row);

  virtual ~cons_obj ();
};

}

#endif

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