|
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 |
|
31 namespace soplex { |
|
32 class SoPlex; |
|
33 } |
|
34 |
|
35 namespace lemon { |
|
36 |
|
37 /// \brief Interface for the SOPLEX solver |
|
38 /// |
|
39 /// This class implements an interface for the SOPLEX LP solver. |
|
40 class LpSoplex :virtual public LpSolverBase { |
|
41 protected: |
|
42 |
|
43 soplex::SoPlex* soplex; |
|
44 |
|
45 std::vector<std::string> colNames; |
|
46 |
|
47 std::vector<Value> primal; |
|
48 std::vector<Value> dual; |
|
49 |
|
50 |
|
51 public: |
|
52 |
|
53 typedef LpSolverBase Parent; |
|
54 |
|
55 |
|
56 /// \e |
|
57 LpSoplex(); |
|
58 /// \e |
|
59 ~LpSoplex(); |
|
60 |
|
61 protected: |
|
62 |
|
63 virtual LpSolverBase &_newLp(); |
|
64 virtual LpSolverBase &_copyLp(); |
|
65 |
|
66 virtual int _addCol(); |
|
67 virtual int _addRow(); |
|
68 virtual void _eraseCol(int i); |
|
69 virtual void _eraseRow(int i); |
|
70 virtual void _getColName(int col, std::string & name); |
|
71 virtual void _setColName(int col, const std::string & name); |
|
72 virtual void _setRowCoeffs(int i, LpRowIterator b, LpRowIterator e); |
|
73 virtual void _setColCoeffs(int i, LpColIterator b, LpColIterator e); |
|
74 virtual void _setCoeff(int row, int col, Value value); |
|
75 virtual void _setColLowerBound(int i, Value value); |
|
76 virtual void _setColUpperBound(int i, Value value); |
|
77 virtual void _setRowBounds(int i, Value lower, Value upper); |
|
78 virtual void _setObjCoeff(int i, Value obj_coef); |
|
79 virtual void _clearObj(); |
|
80 |
|
81 virtual SolveExitStatus _solve(); |
|
82 virtual Value _getPrimal(int i); |
|
83 virtual Value _getDual(int i); |
|
84 virtual Value _getPrimalValue(); |
|
85 virtual bool _isBasicCol(int i); |
|
86 |
|
87 virtual SolutionStatus _getPrimalStatus(); |
|
88 virtual SolutionStatus _getDualStatus(); |
|
89 virtual ProblemTypes _getProblemType(); |
|
90 |
|
91 |
|
92 virtual void _setMax(); |
|
93 virtual void _setMin(); |
|
94 |
|
95 }; |
|
96 } //END OF NAMESPACE LEMON |
|
97 |
|
98 #endif //LEMON_LP_SOPLEX_H |
|
99 |