|
alpar@461
|
1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*-
|
|
alpar@461
|
2 |
*
|
|
alpar@461
|
3 |
* This file is a part of LEMON, a generic C++ optimization library.
|
|
alpar@461
|
4 |
*
|
|
alpar@461
|
5 |
* Copyright (C) 2003-2008
|
|
alpar@461
|
6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
|
|
alpar@461
|
7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES).
|
|
alpar@461
|
8 |
*
|
|
alpar@461
|
9 |
* Permission to use, modify and distribute this software is granted
|
|
alpar@461
|
10 |
* provided that this copyright notice appears in all copies. For
|
|
alpar@461
|
11 |
* precise terms see the accompanying LICENSE file.
|
|
alpar@461
|
12 |
*
|
|
alpar@461
|
13 |
* This software is provided "AS IS" with no warranty of any kind,
|
|
alpar@461
|
14 |
* express or implied, and with no claim as to its suitability for any
|
|
alpar@461
|
15 |
* purpose.
|
|
alpar@461
|
16 |
*
|
|
alpar@461
|
17 |
*/
|
|
alpar@461
|
18 |
|
|
alpar@461
|
19 |
#ifndef LEMON_SOPLEX_H
|
|
alpar@461
|
20 |
#define LEMON_SOPLEX_H
|
|
alpar@461
|
21 |
|
|
alpar@461
|
22 |
///\file
|
|
alpar@461
|
23 |
///\brief Header of the LEMON-SOPLEX lp solver interface.
|
|
alpar@461
|
24 |
|
|
alpar@461
|
25 |
#include <vector>
|
|
alpar@461
|
26 |
#include <string>
|
|
alpar@461
|
27 |
|
|
alpar@461
|
28 |
#include <lemon/lp_base.h>
|
|
alpar@461
|
29 |
|
|
alpar@461
|
30 |
// Forward declaration
|
|
alpar@461
|
31 |
namespace soplex {
|
|
alpar@461
|
32 |
class SoPlex;
|
|
alpar@461
|
33 |
}
|
|
alpar@461
|
34 |
|
|
alpar@461
|
35 |
namespace lemon {
|
|
alpar@461
|
36 |
|
|
alpar@461
|
37 |
/// \ingroup lp_group
|
|
alpar@461
|
38 |
///
|
|
alpar@461
|
39 |
/// \brief Interface for the SOPLEX solver
|
|
alpar@461
|
40 |
///
|
|
alpar@461
|
41 |
/// This class implements an interface for the SoPlex LP solver.
|
|
alpar@461
|
42 |
/// The SoPlex library is an object oriented lp solver library
|
|
alpar@461
|
43 |
/// developed at the Konrad-Zuse-Zentrum für Informationstechnik
|
|
alpar@461
|
44 |
/// Berlin (ZIB). You can find detailed information about it at the
|
|
alpar@461
|
45 |
/// <tt>http://soplex.zib.de</tt> address.
|
|
alpar@462
|
46 |
class SoplexLp : public LpSolver {
|
|
alpar@461
|
47 |
private:
|
|
alpar@461
|
48 |
|
|
alpar@461
|
49 |
soplex::SoPlex* soplex;
|
|
alpar@461
|
50 |
|
|
alpar@461
|
51 |
std::vector<std::string> _col_names;
|
|
alpar@461
|
52 |
std::map<std::string, int> _col_names_ref;
|
|
alpar@461
|
53 |
|
|
alpar@461
|
54 |
std::vector<std::string> _row_names;
|
|
alpar@461
|
55 |
std::map<std::string, int> _row_names_ref;
|
|
alpar@461
|
56 |
|
|
alpar@461
|
57 |
private:
|
|
alpar@461
|
58 |
|
|
alpar@461
|
59 |
// these values cannot be retrieved element by element
|
|
alpar@461
|
60 |
mutable std::vector<Value> _primal_values;
|
|
alpar@461
|
61 |
mutable std::vector<Value> _dual_values;
|
|
alpar@461
|
62 |
|
|
alpar@461
|
63 |
mutable std::vector<Value> _primal_ray;
|
|
alpar@461
|
64 |
mutable std::vector<Value> _dual_ray;
|
|
alpar@461
|
65 |
|
|
alpar@461
|
66 |
void _clear_temporals();
|
|
alpar@461
|
67 |
|
|
alpar@461
|
68 |
public:
|
|
alpar@461
|
69 |
|
|
alpar@461
|
70 |
/// \e
|
|
alpar@462
|
71 |
SoplexLp();
|
|
alpar@461
|
72 |
/// \e
|
|
alpar@462
|
73 |
SoplexLp(const SoplexLp&);
|
|
alpar@461
|
74 |
/// \e
|
|
alpar@462
|
75 |
~SoplexLp();
|
|
alpar@461
|
76 |
|
|
alpar@461
|
77 |
protected:
|
|
alpar@461
|
78 |
|
|
alpar@462
|
79 |
virtual SoplexLp* _newSolver() const;
|
|
alpar@462
|
80 |
virtual SoplexLp* _cloneSolver() const;
|
|
alpar@461
|
81 |
|
|
alpar@461
|
82 |
virtual const char* _solverName() const;
|
|
alpar@461
|
83 |
|
|
alpar@461
|
84 |
virtual int _addCol();
|
|
alpar@461
|
85 |
virtual int _addRow();
|
|
alpar@461
|
86 |
|
|
alpar@461
|
87 |
virtual void _eraseCol(int i);
|
|
alpar@461
|
88 |
virtual void _eraseRow(int i);
|
|
alpar@461
|
89 |
|
|
alpar@461
|
90 |
virtual void _eraseColId(int i);
|
|
alpar@461
|
91 |
virtual void _eraseRowId(int i);
|
|
alpar@461
|
92 |
|
|
alpar@461
|
93 |
virtual void _getColName(int col, std::string& name) const;
|
|
alpar@461
|
94 |
virtual void _setColName(int col, const std::string& name);
|
|
alpar@461
|
95 |
virtual int _colByName(const std::string& name) const;
|
|
alpar@461
|
96 |
|
|
alpar@461
|
97 |
virtual void _getRowName(int row, std::string& name) const;
|
|
alpar@461
|
98 |
virtual void _setRowName(int row, const std::string& name);
|
|
alpar@461
|
99 |
virtual int _rowByName(const std::string& name) const;
|
|
alpar@461
|
100 |
|
|
alpar@461
|
101 |
virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
|
|
alpar@461
|
102 |
virtual void _getRowCoeffs(int i, InsertIterator b) const;
|
|
alpar@461
|
103 |
|
|
alpar@461
|
104 |
virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
|
|
alpar@461
|
105 |
virtual void _getColCoeffs(int i, InsertIterator b) const;
|
|
alpar@461
|
106 |
|
|
alpar@461
|
107 |
virtual void _setCoeff(int row, int col, Value value);
|
|
alpar@461
|
108 |
virtual Value _getCoeff(int row, int col) const;
|
|
alpar@461
|
109 |
|
|
alpar@461
|
110 |
virtual void _setColLowerBound(int i, Value value);
|
|
alpar@461
|
111 |
virtual Value _getColLowerBound(int i) const;
|
|
alpar@461
|
112 |
virtual void _setColUpperBound(int i, Value value);
|
|
alpar@461
|
113 |
virtual Value _getColUpperBound(int i) const;
|
|
alpar@461
|
114 |
|
|
alpar@461
|
115 |
virtual void _setRowLowerBound(int i, Value value);
|
|
alpar@461
|
116 |
virtual Value _getRowLowerBound(int i) const;
|
|
alpar@461
|
117 |
virtual void _setRowUpperBound(int i, Value value);
|
|
alpar@461
|
118 |
virtual Value _getRowUpperBound(int i) const;
|
|
alpar@461
|
119 |
|
|
alpar@461
|
120 |
virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
|
|
alpar@461
|
121 |
virtual void _getObjCoeffs(InsertIterator b) const;
|
|
alpar@461
|
122 |
|
|
alpar@461
|
123 |
virtual void _setObjCoeff(int i, Value obj_coef);
|
|
alpar@461
|
124 |
virtual Value _getObjCoeff(int i) const;
|
|
alpar@461
|
125 |
|
|
alpar@461
|
126 |
virtual void _setSense(Sense sense);
|
|
alpar@461
|
127 |
virtual Sense _getSense() const;
|
|
alpar@461
|
128 |
|
|
alpar@461
|
129 |
virtual SolveExitStatus _solve();
|
|
alpar@461
|
130 |
virtual Value _getPrimal(int i) const;
|
|
alpar@461
|
131 |
virtual Value _getDual(int i) const;
|
|
alpar@461
|
132 |
|
|
alpar@461
|
133 |
virtual Value _getPrimalValue() const;
|
|
alpar@461
|
134 |
|
|
alpar@461
|
135 |
virtual Value _getPrimalRay(int i) const;
|
|
alpar@461
|
136 |
virtual Value _getDualRay(int i) const;
|
|
alpar@461
|
137 |
|
|
alpar@461
|
138 |
virtual VarStatus _getColStatus(int i) const;
|
|
alpar@461
|
139 |
virtual VarStatus _getRowStatus(int i) const;
|
|
alpar@461
|
140 |
|
|
alpar@461
|
141 |
virtual ProblemType _getPrimalType() const;
|
|
alpar@461
|
142 |
virtual ProblemType _getDualType() const;
|
|
alpar@461
|
143 |
|
|
alpar@461
|
144 |
virtual void _clear();
|
|
alpar@461
|
145 |
|
|
alpar@461
|
146 |
};
|
|
alpar@461
|
147 |
|
|
alpar@461
|
148 |
} //END OF NAMESPACE LEMON
|
|
alpar@461
|
149 |
|
|
alpar@461
|
150 |
#endif //LEMON_SOPLEX_H
|
|
alpar@461
|
151 |
|