deba@567: /* -*- mode: C++; indent-tabs-mode: nil; -*-
deba@567:  *
deba@567:  * This file is a part of LEMON, a generic C++ optimization library.
deba@567:  *
deba@567:  * Copyright (C) 2003-2009
deba@567:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@567:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@567:  *
deba@567:  * Permission to use, modify and distribute this software is granted
deba@567:  * provided that this copyright notice appears in all copies. For
deba@567:  * precise terms see the accompanying LICENSE file.
deba@567:  *
deba@567:  * This software is provided "AS IS" with no warranty of any kind,
deba@567:  * express or implied, and with no claim as to its suitability for any
deba@567:  * purpose.
deba@567:  *
deba@567:  */
deba@567: 
deba@567: // -*- C++ -*-
deba@567: #ifndef LEMON_CBC_H
deba@567: #define LEMON_CBC_H
deba@567: 
deba@567: ///\file
deba@567: ///\brief Header of the LEMON-CBC mip solver interface.
deba@567: ///\ingroup lp_group
deba@567: 
deba@567: #include <lemon/lp_base.h>
deba@567: 
deba@567: class CoinModel;
deba@567: class OsiSolverInterface;
deba@567: class CbcModel;
deba@567: 
deba@567: namespace lemon {
deba@567: 
deba@567:   /// \brief Interface for the CBC MIP solver
deba@567:   ///
deba@567:   /// This class implements an interface for the CBC MIP solver.
deba@567:   ///\ingroup lp_group
deba@567:   class CbcMip : public MipSolver {
deba@567:   protected:
deba@567: 
deba@567:     CoinModel *_prob;
deba@567:     OsiSolverInterface *_osi_solver;
deba@567:     CbcModel *_cbc_model;
deba@567: 
deba@567:   public:
deba@567: 
deba@567:     /// \e
deba@567:     CbcMip();
deba@567:     /// \e
deba@567:     CbcMip(const CbcMip&);
deba@567:     /// \e
deba@567:     ~CbcMip();
deba@567:     /// \e
deba@567:     virtual CbcMip* newSolver() const;
deba@567:     /// \e
deba@567:     virtual CbcMip* cloneSolver() const;
deba@567: 
deba@567:   protected:
deba@567: 
deba@567:     virtual const char* _solverName() const;
deba@567: 
deba@567:     virtual int _addCol();
deba@567:     virtual int _addRow();
deba@567: 
deba@567:     virtual void _eraseCol(int i);
deba@567:     virtual void _eraseRow(int i);
deba@567: 
deba@567:     virtual void _eraseColId(int i);
deba@567:     virtual void _eraseRowId(int i);
deba@567: 
deba@567:     virtual void _getColName(int col, std::string& name) const;
deba@567:     virtual void _setColName(int col, const std::string& name);
deba@567:     virtual int _colByName(const std::string& name) const;
deba@567: 
deba@567:     virtual void _getRowName(int row, std::string& name) const;
deba@567:     virtual void _setRowName(int row, const std::string& name);
deba@567:     virtual int _rowByName(const std::string& name) const;
deba@567: 
deba@567:     virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
deba@567:     virtual void _getRowCoeffs(int i, InsertIterator b) const;
deba@567: 
deba@567:     virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
deba@567:     virtual void _getColCoeffs(int i, InsertIterator b) const;
deba@567: 
deba@567:     virtual void _setCoeff(int row, int col, Value value);
deba@567:     virtual Value _getCoeff(int row, int col) const;
deba@567: 
deba@567:     virtual void _setColLowerBound(int i, Value value);
deba@567:     virtual Value _getColLowerBound(int i) const;
deba@567:     virtual void _setColUpperBound(int i, Value value);
deba@567:     virtual Value _getColUpperBound(int i) const;
deba@567: 
deba@567:     virtual void _setRowLowerBound(int i, Value value);
deba@567:     virtual Value _getRowLowerBound(int i) const;
deba@567:     virtual void _setRowUpperBound(int i, Value value);
deba@567:     virtual Value _getRowUpperBound(int i) const;
deba@567: 
deba@567:     virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
deba@567:     virtual void _getObjCoeffs(InsertIterator b) const;
deba@567: 
deba@567:     virtual void _setObjCoeff(int i, Value obj_coef);
deba@567:     virtual Value _getObjCoeff(int i) const;
deba@567: 
deba@567:     virtual void _setSense(Sense sense);
deba@567:     virtual Sense _getSense() const;
deba@567: 
deba@567:     virtual ColTypes _getColType(int col) const;
deba@567:     virtual void _setColType(int col, ColTypes col_type);
deba@567: 
deba@567:     virtual SolveExitStatus _solve();
deba@567:     virtual ProblemType _getType() const;
deba@567:     virtual Value _getSol(int i) const;
deba@567:     virtual Value _getSolValue() const;
deba@567: 
deba@567:     virtual void _clear();
deba@567: 
deba@567:   public:
deba@567: 
deba@567:     ///Enum for \c messageLevel() parameter
deba@567:     enum MessageLevel {
deba@567:       /// no output (default value)
deba@567:       MESSAGE_NO_OUTPUT = 0,
deba@567:       /// error messages only
deba@567:       MESSAGE_ERROR_MESSAGE = 1,
deba@567:       /// normal output
deba@567:       MESSAGE_NORMAL_OUTPUT = 2,
deba@567:       /// full output (includes informational messages)
deba@567:       MESSAGE_FULL_OUTPUT = 3
deba@567:     };
deba@567: 
deba@567:   private:
deba@567: 
deba@567:     MessageLevel _message_level;
deba@567: 
deba@567:   public:
deba@567: 
deba@567:     ///Set the verbosity of the messages
deba@567: 
deba@567:     ///Set the verbosity of the messages
deba@567:     ///
deba@567:     ///\param m is the level of the messages output by the solver routines.
deba@567:     void messageLevel(MessageLevel m);
deba@567: 
deba@567: 
deba@567:   };
deba@567: 
deba@567: }
deba@567: 
deba@567: #endif