COIN-OR::LEMON - Graph Library

source: lemon-0.x/lemon/lp_cplex.h @ 2476:059dcdda37c5

Last change on this file since 2476:059dcdda37c5 was 2391:14a343be7a5a, checked in by Alpar Juttner, 13 years ago

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1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2007
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_CPLEX_H
20#define LEMON_LP_CPLEX_H
21
22///\file
23///\brief Header of the LEMON-CPLEX lp solver interface.
24
25#include <lemon/lp_base.h>
26
27extern "C" {
28#include <ilcplex/cplex.h>
29}
30
31namespace lemon {
32
33
34  /// \brief Interface for the CPLEX solver
35  ///
36  /// This class implements an interface for the CPLEX LP solver.
37  class LpCplex :virtual public LpSolverBase {
38
39  public:
40
41    typedef LpSolverBase Parent;
42   
43    /// \e
44    int status;
45    CPXENVptr env;
46    CPXLPptr lp;
47
48
49    /// \e
50    LpCplex();
51    /// \e
52    ~LpCplex();
53
54  protected:
55    virtual LpSolverBase &_newLp();
56    virtual LpSolverBase &_copyLp();
57
58
59    virtual int _addCol();
60    virtual int _addRow();
61    virtual void _eraseCol(int i);
62    virtual void _eraseRow(int i);
63    virtual void _getColName(int col, std::string & name) const;
64    virtual void _setColName(int col, const std::string & name);
65    virtual int _colByName(const std::string& name) const;
66    virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
67    virtual void _getRowCoeffs(int i, RowIterator b) const;
68    virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
69    virtual void _getColCoeffs(int i, ColIterator b) const;
70    virtual void _setCoeff(int row, int col, Value value);
71    virtual Value _getCoeff(int row, int col) const;
72
73    virtual void _setColLowerBound(int i, Value value);
74    virtual Value _getColLowerBound(int i) const;
75    virtual void _setColUpperBound(int i, Value value);
76    virtual Value _getColUpperBound(int i) const;
77
78//     virtual void _setRowLowerBound(int i, Value value);
79//     virtual void _setRowUpperBound(int i, Value value);
80    virtual void _setRowBounds(int i, Value lower, Value upper);
81    virtual void _getRowBounds(int i, Value &lb, Value &ub) const;
82    virtual void _setObjCoeff(int i, Value obj_coef);
83    virtual Value _getObjCoeff(int i) const;
84    virtual void _clearObj();
85
86   
87    virtual SolveExitStatus _solve();
88    virtual Value _getPrimal(int i) const;
89    virtual Value _getDual(int i) const;
90    virtual Value _getPrimalValue() const;
91    virtual bool _isBasicCol(int i) const;
92   
93    virtual SolutionStatus _getPrimalStatus() const;
94    virtual SolutionStatus _getDualStatus() const;
95    virtual ProblemTypes _getProblemType() const;
96
97   
98    virtual void _setMax();
99    virtual void _setMin();
100
101    virtual bool _isMax() const;
102
103  };
104} //END OF NAMESPACE LEMON
105
106#endif //LEMON_LP_CPLEX_H
107
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