lemon-main: lemon/cbc.h@736a341e604b

     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) 2003-2013

     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 #ifndef LEMON_CBC_H

    20 #define LEMON_CBC_H

    22 ///\file

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

    24 ///\ingroup lp_group

    26 #include <lemon/lp_base.h>

    28 class CoinModel;

    29 class OsiSolverInterface;

    30 class CbcModel;

    32 namespace lemon {

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

    35   ///

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

    37   ///\ingroup lp_group

    38   class CbcMip : public MipSolver {

    39   protected:

    41     CoinModel *_prob;

    42     OsiSolverInterface *_osi_solver;

    43     CbcModel *_cbc_model;

    45   public:

    47     /// \e

    48     CbcMip();

    49     /// \e

    50     CbcMip(const CbcMip&);

    51     /// \e

    52     ~CbcMip();

    53     /// \e

    54     virtual CbcMip* newSolver() const;

    55     /// \e

    56     virtual CbcMip* cloneSolver() const;

    58   protected:

    60     virtual const char* _solverName() const;

    62     virtual int _addCol();

    63     virtual int _addRow();

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

    66     virtual void _eraseCol(int i);

    67     virtual void _eraseRow(int i);

    69     virtual void _eraseColId(int i);

    70     virtual void _eraseRowId(int i);

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

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

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

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

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

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

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

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

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

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

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

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

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

    90     virtual Value _getColLowerBound(int i) const;

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

    92     virtual Value _getColUpperBound(int i) const;

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

    95     virtual Value _getRowLowerBound(int i) const;

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

    97     virtual Value _getRowUpperBound(int i) const;

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

   100     virtual void _getObjCoeffs(InsertIterator b) const;

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

   103     virtual Value _getObjCoeff(int i) const;

   105     virtual void _setSense(Sense sense);

   106     virtual Sense _getSense() const;

   108     virtual ColTypes _getColType(int col) const;

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

   111     virtual SolveExitStatus _solve();

   112     virtual ProblemType _getType() const;

   113     virtual Value _getSol(int i) const;

   114     virtual Value _getSolValue() const;

   116     virtual void _clear();

   118     virtual void _messageLevel(MessageLevel level);

   119     void _applyMessageLevel();

   121     int _message_level;

   125   };

   127 }

   129 #endif

author	Alpar Juttner <alpar@cs.elte.hu>
	Thu, 21 Jan 2021 08:36:53 +0100
changeset 1204	736a341e604b
parent 1064	fc3854d936f7
permissions	-rw-r--r--