COIN-OR::LEMON - Graph Library

source: lemon-0.x/src/lemon/lp_cplex.h @ 1431:ad44b1dd8013

Last change on this file since 1431:ad44b1dd8013 was 1431:ad44b1dd8013, checked in by athos, 15 years ago

Added function _setCoeff().

File size: 2.6 KB
Line 
1/* -*- C++ -*-
2 * src/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 _setRowCoeffs(int i,
59                               int length,
60                               const int   * indices,
61                               const Value   * values );
62    virtual void _setColCoeffs(int i,
63                               int length,
64                               const int   * indices,
65                               const Value   * values);
66    virtual void _setCoeff(int row, int col, Value value);
67    virtual void _setColLowerBound(int i, Value value);
68    virtual void _setColUpperBound(int i, Value value);
69//     virtual void _setRowLowerBound(int i, Value value);
70//     virtual void _setRowUpperBound(int i, Value value);
71    virtual void _setRowBounds(int i, Value lower, Value upper);
72    virtual void _setObjCoeff(int i, Value obj_coef);
73    virtual void _clearObj();
74    ///\e
75   
76    ///\bug Unimplemented
77    ///
78    virtual SolveExitStatus _solve();
79    ///\e
80
81    ///\bug Unimplemented
82    ///
83    virtual Value _getPrimal(int i);
84    ///\e
85   
86    ///\bug Unimplemented
87    ///
88    virtual Value _getPrimalValue();
89    ///\e
90   
91    ///\bug Unimplemented
92    ///
93    virtual SolutionStatus _getPrimalStatus();
94
95    ///\e
96   
97    ///\bug Unimplemented
98    ///
99    virtual void _setMax();
100    ///\e
101   
102    ///\bug Unimplemented
103    ///
104    virtual void _setMin();
105
106  };
107} //END OF NAMESPACE LEMON
108
109#endif //LEMON_LP_CPLEX_H
110
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