COIN-OR::LEMON - Graph Library

source: lemon-0.x/lemon/lp_soplex.h @ 2370:ed6539025f27

Last change on this file since 2370:ed6539025f27 was 2370:ed6539025f27, checked in by Balazs Dezso, 13 years ago

Some documentation changes

File size: 3.4 KB
Line 
1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2006
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#ifndef LEMON_LP_SOPLEX_H
20#define LEMON_LP_SOPLEX_H
21
22///\file
23///\brief Header of the LEMON-SOPLEX lp solver interface.
24
25#include <vector>
26#include <string>
27
28#include <lemon/lp_base.h>
29
30// Forward declaration
31namespace soplex {
32  class SoPlex;
33}
34
35namespace lemon {
36
37  /// \ingroup lp_group
38  ///
39  /// \brief Interface for the SOPLEX solver
40  ///
41  /// This class implements an interface for the SoPlex LP solver.
42  /// The SoPlex library is an object oriented lp solver library
43  /// developed at the Konrad-Zuse-Zentrum für Informationstechnik
44  /// Berlin (ZIB). You can find detailed information about it at the
45  /// <tt>http://soplex.zib.de</tt> address.
46  class LpSoplex :virtual public LpSolverBase {
47  protected:
48
49    _lp_bits::RelocateIdHandler relocateIdHandler;
50
51    soplex::SoPlex* soplex;
52    bool solved;
53
54    std::vector<std::string> colNames;
55    std::map<std::string, int> invColNames;
56
57    std::vector<Value> primal_value;
58    std::vector<Value> dual_value;
59
60
61  public:
62
63    typedef LpSolverBase Parent;
64   
65
66    /// \e
67    LpSoplex();
68    /// \e
69    ~LpSoplex();
70
71  protected:
72
73    virtual LpSolverBase &_newLp();
74    virtual LpSolverBase &_copyLp();
75
76    virtual int _addCol();
77    virtual int _addRow();
78    virtual void _eraseCol(int i);
79    virtual void _eraseRow(int i);
80    virtual void _getColName(int col, std::string & name) const;
81    virtual void _setColName(int col, const std::string & name);
82    virtual int _colByName(const std::string& name) const;
83    virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
84    virtual void _getRowCoeffs(int i, RowIterator b) const;
85    virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
86    virtual void _getColCoeffs(int i, ColIterator b) const;
87    virtual void _setCoeff(int row, int col, Value value);
88    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;
93    virtual void _setRowBounds(int i, Value lower, Value upper);
94    virtual void _getRowBounds(int i, Value &lower, Value &upper) const;
95    virtual void _setObjCoeff(int i, Value obj_coef);
96    virtual Value _getObjCoeff(int i) const;
97    virtual void _clearObj();
98   
99    virtual SolveExitStatus _solve();
100    virtual Value _getPrimal(int i) const;
101    virtual Value _getDual(int i) const;
102    virtual Value _getPrimalValue() const;
103    virtual bool _isBasicCol(int i) const;
104   
105    virtual SolutionStatus _getPrimalStatus() const;
106    virtual SolutionStatus _getDualStatus() const;
107    virtual ProblemTypes _getProblemType() const;
108
109   
110    virtual void _setMax();
111    virtual void _setMin();
112    virtual bool _isMax() const;
113
114  };
115} //END OF NAMESPACE LEMON
116
117#endif //LEMON_LP_SOPLEX_H
118
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