BCP_warmstart.hpp

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

// This file is fully docified.

#include "BCP_error.hpp"
#include "BCP_enum.hpp"
#include "BCP_vector.hpp"

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

class CoinWarmStart;

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

class BCP_warmstart {
public:
   virtual ~BCP_warmstart() {}

   virtual CoinWarmStart* convert_to_CoinWarmStart() const = 0;

   virtual BCP_storage_t storage() const = 0;

   virtual void update(const BCP_warmstart* const change) = 0;

   virtual BCP_warmstart* as_change(const BCP_warmstart* const old_ws,
                                    const BCP_vec<int>& del_vars,
                                    const BCP_vec<int>& del_cuts,
                                    const double petol,
                                    const double detol) const = 0;

   virtual BCP_warmstart* clone() const = 0;

   virtual BCP_warmstart* empty_wrt_this() const = 0;

   virtual int storage_size() const = 0;
};

#endif