var_obj.h

#ifndef SCIL_VAR_OBJ_H
#define SCIL_VAR_OBJ_H

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

namespace SCIL {

class cons_obj;
class column;
class ABA_Variable;
class ILP_Problem;
class subproblem;

class var_obj
{
  
  friend class ILP_Problem;
  friend class subproblem;

private:
  
  std::map<cons_obj*, double> IC;
  ABA_Variable* Ref_AVar;
  
public:
  int vi;
  double obj_;
  double uBound_;
  double lBound_;
  Vartype vt;
  
  var_obj(double obj, double lBound, double uBound, Vartype vt_) {
    obj_=obj; lBound_=lBound; uBound_=uBound; vt=vt_;
  }

  virtual ~var_obj() {};
  
  var_item index() {  return(vi); };
  
  void init(subproblem& S, int nr, Activation a);

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

  virtual double upper_bound() {
    return uBound_;
  };
  
  virtual double lower_bound() {
    return lBound_;
  };

  virtual double coeff(cons_obj*) {
    return 0;
  }

  virtual double obj() {
    return obj_;
  };

  virtual Vartype type() {
    return vt;
  };

  void set(cons_obj* i, double d);

  ABA_Variable* AVar() {
    return Ref_AVar;
  };

  virtual double coeff(ABA_CONSTRAINT* i);

  virtual void non_zero_entries(column& col) {
  };

  virtual int genColumn(Active_Inequalities* ai, Column& col);

};

}

#endif

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