BCP_solution.hpp

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// Copyright (C) 2000, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef _BCP_SOLUTION_H
#define _BCP_SOLUTION_H

#include "BCP_vector.hpp"
#include "BCP_var.hpp"

// This file is fully docified.

class BCP_solution {
public:
  virtual ~BCP_solution() {}
  virtual double objective_value() const = 0;
};

//#############################################################################

class BCP_solution_generic : public BCP_solution { 
public:
    double _objective;
    bool _delete_vars;
    BCP_vec<BCP_var*> _vars;
    BCP_vec<double> _values;
public:
  BCP_solution_generic(bool delvars = true) :
     _objective(0), _delete_vars(delvars), _vars(), _values() {}
  virtual ~BCP_solution_generic() {
     if (_delete_vars)
        purge_ptr_vector(_vars);
  }

  inline virtual double objective_value() const { return _objective; }

  inline void set_objective_value(double v) { _objective = v; }

  void display() const;

  void add_entry(BCP_var* var, double value) {
    _vars.push_back(var);
    _values.push_back(value);
    _objective += value * var->obj();
  }
};

#endif