lemon-main: lemon/cbc.h@a42f46828cc1

     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-

     2  *

     3  * This file is a part of LEMON, a generic C++ optimization library.

     4  *

     5  * Copyright (C) 2003-2009

     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).

     8  *

     9  * Permission to use, modify and distribute this software is granted

    10  * provided that this copyright notice appears in all copies. For

    11  * precise terms see the accompanying LICENSE file.

    12  *

    13  * This software is provided "AS IS" with no warranty of any kind,

    14  * express or implied, and with no claim as to its suitability for any

    15  * purpose.

    16  *

    17  */

    19 // -*- C++ -*-

    20 #ifndef LEMON_CBC_H

    21 #define LEMON_CBC_H

    23 ///\file

    24 ///\brief Header of the LEMON-CBC mip solver interface.

    25 ///\ingroup lp_group

    27 #include <lemon/lp_base.h>

    29 class CoinModel;

    30 class OsiSolverInterface;

    31 class CbcModel;

    33 namespace lemon {

    35   /// \brief Interface for the CBC MIP solver

    36   ///

    37   /// This class implements an interface for the CBC MIP solver.

    38   ///\ingroup lp_group

    39   class CbcMip : public MipSolver {

    40   protected:

    42     CoinModel *_prob;

    43     OsiSolverInterface *_osi_solver;

    44     CbcModel *_cbc_model;

    46   public:

    48     /// \e

    49     CbcMip();

    50     /// \e

    51     CbcMip(const CbcMip&);

    52     /// \e

    53     ~CbcMip();

    54     /// \e

    55     virtual CbcMip* newSolver() const;

    56     /// \e

    57     virtual CbcMip* cloneSolver() const;

    59   protected:

    61     virtual const char* _solverName() const;

    63     virtual int _addCol();

    64     virtual int _addRow();

    65     virtual int _addRow(Value l, ExprIterator b, ExprIterator e, Value u);

    67     virtual void _eraseCol(int i);

    68     virtual void _eraseRow(int i);

    70     virtual void _eraseColId(int i);

    71     virtual void _eraseRowId(int i);

    73     virtual void _getColName(int col, std::string& name) const;

    74     virtual void _setColName(int col, const std::string& name);

    75     virtual int _colByName(const std::string& name) const;

    77     virtual void _getRowName(int row, std::string& name) const;

    78     virtual void _setRowName(int row, const std::string& name);

    79     virtual int _rowByName(const std::string& name) const;

    81     virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);

    82     virtual void _getRowCoeffs(int i, InsertIterator b) const;

    84     virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);

    85     virtual void _getColCoeffs(int i, InsertIterator b) const;

    87     virtual void _setCoeff(int row, int col, Value value);

    88     virtual Value _getCoeff(int row, int col) const;

    90     virtual void _setColLowerBound(int i, Value value);

    91     virtual Value _getColLowerBound(int i) const;

    92     virtual void _setColUpperBound(int i, Value value);

    93     virtual Value _getColUpperBound(int i) const;

    95     virtual void _setRowLowerBound(int i, Value value);

    96     virtual Value _getRowLowerBound(int i) const;

    97     virtual void _setRowUpperBound(int i, Value value);

    98     virtual Value _getRowUpperBound(int i) const;

   100     virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);

   101     virtual void _getObjCoeffs(InsertIterator b) const;

   103     virtual void _setObjCoeff(int i, Value obj_coef);

   104     virtual Value _getObjCoeff(int i) const;

   106     virtual void _setSense(Sense sense);

   107     virtual Sense _getSense() const;

   109     virtual ColTypes _getColType(int col) const;

   110     virtual void _setColType(int col, ColTypes col_type);

   112     virtual SolveExitStatus _solve();

   113     virtual ProblemType _getType() const;

   114     virtual Value _getSol(int i) const;

   115     virtual Value _getSolValue() const;

   117     virtual void _clear();

   119     virtual void _messageLevel(MessageLevel level);

   120     void _applyMessageLevel();

   122     int _message_level;

   126   };

   128 }

   130 #endif

author	Alpar Juttner <alpar@cs.elte.hu>
	Mon, 05 Oct 2009 09:48:57 +0200
changeset 747	a42f46828cc1
parent 576	745e182d0139
child 877	141f9c0db4a3
permissions	-rw-r--r--