/home/coin/SVN-release/CoinAll-1.1.0/Bcp/src/include/BCP_warmstart.hpp

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00001 // Copyright (C) 2000, International Business Machines
00002 // Corporation and others.  All Rights Reserved.
00003 #ifndef _BCP_WARMSTART_H
00004 #define _BCP_WARMSTART_H
00005 
00006 // This file is fully docified.
00007 
00008 #include "BCP_error.hpp"
00009 #include "BCP_enum.hpp"
00010 #include "BCP_vector.hpp"
00011 
00012 //#############################################################################
00013 
00014 class CoinWarmStart;
00015 
00016 //#############################################################################
00017 
00024 class BCP_warmstart {
00025 public:
00027    virtual ~BCP_warmstart() {}
00028 
00030    virtual CoinWarmStart* convert_to_CoinWarmStart() const = 0;
00031 
00033    virtual BCP_storage_t storage() const = 0;
00034 
00039    virtual void update(const BCP_warmstart* const change) = 0;
00040 
00055    virtual BCP_warmstart* as_change(const BCP_warmstart* const old_ws,
00056                                     const BCP_vec<int>& del_vars,
00057                                     const BCP_vec<int>& del_cuts,
00058                                     const double petol,
00059                                     const double detol) const = 0;
00060 
00062    virtual BCP_warmstart* clone() const = 0;
00063 
00068    virtual BCP_warmstart* empty_wrt_this() const = 0;
00069 
00072    virtual int storage_size() const = 0;
00073 };
00074 
00075 #endif

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