COIN-OR::LEMON - Graph Library

source: lemon-1.2/lemon/cbc.h @ 573:37216ca5b9c6

Last change on this file since 573:37216ca5b9c6 was 567:3314f58e7b25, checked in by Balazs Dezso <deba@…>, 11 years ago

Add CBC support (#204)

File size: 3.9 KB
Line 
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 */
18
19// -*- C++ -*-
20#ifndef LEMON_CBC_H
21#define LEMON_CBC_H
22
23///\file
24///\brief Header of the LEMON-CBC mip solver interface.
25///\ingroup lp_group
26
27#include <lemon/lp_base.h>
28
29class CoinModel;
30class OsiSolverInterface;
31class CbcModel;
32
33namespace lemon {
34
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:
41
42    CoinModel *_prob;
43    OsiSolverInterface *_osi_solver;
44    CbcModel *_cbc_model;
45
46  public:
47
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;
58
59  protected:
60
61    virtual const char* _solverName() const;
62
63    virtual int _addCol();
64    virtual int _addRow();
65
66    virtual void _eraseCol(int i);
67    virtual void _eraseRow(int i);
68
69    virtual void _eraseColId(int i);
70    virtual void _eraseRowId(int i);
71
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;
75
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;
79
80    virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
81    virtual void _getRowCoeffs(int i, InsertIterator b) const;
82
83    virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
84    virtual void _getColCoeffs(int i, InsertIterator b) const;
85
86    virtual void _setCoeff(int row, int col, Value value);
87    virtual Value _getCoeff(int row, int col) const;
88
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;
93
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;
98
99    virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
100    virtual void _getObjCoeffs(InsertIterator b) const;
101
102    virtual void _setObjCoeff(int i, Value obj_coef);
103    virtual Value _getObjCoeff(int i) const;
104
105    virtual void _setSense(Sense sense);
106    virtual Sense _getSense() const;
107
108    virtual ColTypes _getColType(int col) const;
109    virtual void _setColType(int col, ColTypes col_type);
110
111    virtual SolveExitStatus _solve();
112    virtual ProblemType _getType() const;
113    virtual Value _getSol(int i) const;
114    virtual Value _getSolValue() const;
115
116    virtual void _clear();
117
118  public:
119
120    ///Enum for \c messageLevel() parameter
121    enum MessageLevel {
122      /// no output (default value)
123      MESSAGE_NO_OUTPUT = 0,
124      /// error messages only
125      MESSAGE_ERROR_MESSAGE = 1,
126      /// normal output
127      MESSAGE_NORMAL_OUTPUT = 2,
128      /// full output (includes informational messages)
129      MESSAGE_FULL_OUTPUT = 3
130    };
131
132  private:
133
134    MessageLevel _message_level;
135
136  public:
137
138    ///Set the verbosity of the messages
139
140    ///Set the verbosity of the messages
141    ///
142    ///\param m is the level of the messages output by the solver routines.
143    void messageLevel(MessageLevel m);
144
145
146  };
147
148}
149
150#endif
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