diff --git a/lemon/cbc.h b/lemon/cbc.h new file mode 100644 --- /dev/null +++ b/lemon/cbc.h @@ -0,0 +1,150 @@ +/* -*- mode: C++; indent-tabs-mode: nil; -*- + * + * This file is a part of LEMON, a generic C++ optimization library. + * + * Copyright (C) 2003-2009 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport + * (Egervary Research Group on Combinatorial Optimization, EGRES). + * + * Permission to use, modify and distribute this software is granted + * provided that this copyright notice appears in all copies. For + * precise terms see the accompanying LICENSE file. + * + * This software is provided "AS IS" with no warranty of any kind, + * express or implied, and with no claim as to its suitability for any + * purpose. + * + */ + +// -*- C++ -*- +#ifndef LEMON_CBC_H +#define LEMON_CBC_H + +///\file +///\brief Header of the LEMON-CBC mip solver interface. +///\ingroup lp_group + +#include + +class CoinModel; +class OsiSolverInterface; +class CbcModel; + +namespace lemon { + + /// \brief Interface for the CBC MIP solver + /// + /// This class implements an interface for the CBC MIP solver. + ///\ingroup lp_group + class CbcMip : public MipSolver { + protected: + + CoinModel *_prob; + OsiSolverInterface *_osi_solver; + CbcModel *_cbc_model; + + public: + + /// \e + CbcMip(); + /// \e + CbcMip(const CbcMip&); + /// \e + ~CbcMip(); + /// \e + virtual CbcMip* newSolver() const; + /// \e + virtual CbcMip* cloneSolver() const; + + protected: + + virtual const char* _solverName() const; + + virtual int _addCol(); + virtual int _addRow(); + + virtual void _eraseCol(int i); + virtual void _eraseRow(int i); + + virtual void _eraseColId(int i); + virtual void _eraseRowId(int i); + + virtual void _getColName(int col, std::string& name) const; + virtual void _setColName(int col, const std::string& name); + virtual int _colByName(const std::string& name) const; + + virtual void _getRowName(int row, std::string& name) const; + virtual void _setRowName(int row, const std::string& name); + virtual int _rowByName(const std::string& name) const; + + virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e); + virtual void _getRowCoeffs(int i, InsertIterator b) const; + + virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e); + virtual void _getColCoeffs(int i, InsertIterator b) const; + + virtual void _setCoeff(int row, int col, Value value); + virtual Value _getCoeff(int row, int col) const; + + virtual void _setColLowerBound(int i, Value value); + virtual Value _getColLowerBound(int i) const; + virtual void _setColUpperBound(int i, Value value); + virtual Value _getColUpperBound(int i) const; + + virtual void _setRowLowerBound(int i, Value value); + virtual Value _getRowLowerBound(int i) const; + virtual void _setRowUpperBound(int i, Value value); + virtual Value _getRowUpperBound(int i) const; + + virtual void _setObjCoeffs(ExprIterator b, ExprIterator e); + virtual void _getObjCoeffs(InsertIterator b) const; + + virtual void _setObjCoeff(int i, Value obj_coef); + virtual Value _getObjCoeff(int i) const; + + virtual void _setSense(Sense sense); + virtual Sense _getSense() const; + + virtual ColTypes _getColType(int col) const; + virtual void _setColType(int col, ColTypes col_type); + + virtual SolveExitStatus _solve(); + virtual ProblemType _getType() const; + virtual Value _getSol(int i) const; + virtual Value _getSolValue() const; + + virtual void _clear(); + + public: + + ///Enum for \c messageLevel() parameter + enum MessageLevel { + /// no output (default value) + MESSAGE_NO_OUTPUT = 0, + /// error messages only + MESSAGE_ERROR_MESSAGE = 1, + /// normal output + MESSAGE_NORMAL_OUTPUT = 2, + /// full output (includes informational messages) + MESSAGE_FULL_OUTPUT = 3 + }; + + private: + + MessageLevel _message_level; + + public: + + ///Set the verbosity of the messages + + ///Set the verbosity of the messages + /// + ///\param m is the level of the messages output by the solver routines. + void messageLevel(MessageLevel m); + + + }; + +} + +#endif