COIN-OR::LEMON - Graph Library

source: lemon-0.x/lemon/lp_cplex.h @ 1874:396831fa7012

Last change on this file since 1874:396831fa7012 was 1840:173b53b28d7c, checked in by marci, 14 years ago

max flow with lp column generation

File size: 2.5 KB
Line 
1/* -*- C++ -*-
2 * lemon/lp_cplex.h - Part of LEMON, a generic C++ optimization library
3 *
4 * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
5 * (Egervary Research Group on Combinatorial Optimization, EGRES).
6 *
7 * Permission to use, modify and distribute this software is granted
8 * provided that this copyright notice appears in all copies. For
9 * precise terms see the accompanying LICENSE file.
10 *
11 * This software is provided "AS IS" with no warranty of any kind,
12 * express or implied, and with no claim as to its suitability for any
13 * purpose.
14 *
15 */
16
17#ifndef LEMON_LP_CPLEX_H
18#define LEMON_LP_CPLEX_H
19
20///\file
21///\brief Header of the LEMON-CPLEX lp solver interface.
22
23#include <lemon/lp_base.h>
24
25extern "C" {
26#include <ilcplex/cplex.h>
27}
28
29namespace lemon {
30
31
32  /// \brief Interface for the CPLEX solver
33  ///
34  /// This class implements an interface for the CPLEX LP solver.
35  class LpCplex : public LpSolverBase {
36
37  public:
38
39    typedef LpSolverBase Parent;
40   
41    /// \e
42    int status;
43    CPXENVptr env;
44    CPXLPptr lp;
45
46
47    /// \e
48    LpCplex();
49    /// \e
50    ~LpCplex();
51
52  protected:
53    virtual LpSolverBase &_newLp();
54    virtual LpSolverBase &_copyLp();
55
56    virtual int _addCol();
57    virtual int _addRow();
58    virtual void _eraseCol(int i);
59    virtual void _eraseRow(int i);
60    virtual void _setRowCoeffs(int i,
61                               int length,
62                               const int   * indices,
63                               const Value   * values );
64    virtual void _setColCoeffs(int i,
65                               int length,
66                               const int   * indices,
67                               const Value   * values);
68    virtual void _setCoeff(int row, int col, Value value);
69    virtual void _setColLowerBound(int i, Value value);
70    virtual void _setColUpperBound(int i, Value value);
71//     virtual void _setRowLowerBound(int i, Value value);
72//     virtual void _setRowUpperBound(int i, Value value);
73    virtual void _setRowBounds(int i, Value lower, Value upper);
74    virtual void _setObjCoeff(int i, Value obj_coef);
75    virtual void _clearObj();
76    ///\e
77   
78    virtual SolveExitStatus _solve();
79    virtual Value _getPrimal(int i);
80    virtual Value _getDual(int i);
81    virtual Value _getPrimalValue();
82    virtual bool _isBasicCol(int i);
83   
84    virtual SolutionStatus _getPrimalStatus();
85    virtual SolutionStatus _getDualStatus();
86    virtual ProblemTypes _getProblemType();
87
88   
89    virtual void _setMax();
90    virtual void _setMin();
91
92  };
93} //END OF NAMESPACE LEMON
94
95#endif //LEMON_LP_CPLEX_H
96
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