1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
3 * This file is a part of LEMON, a generic C++ optimization library.
5 * Copyright (C) 2003-2008
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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.
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
19 #ifndef LEMON_LP_CPLEX_H
20 #define LEMON_LP_CPLEX_H
23 ///\brief Header of the LEMON-CPLEX lp solver interface.
25 #include <lemon/lp_base.h>
33 /// \brief Interface for the CPLEX solver
35 /// This class implements an interface for the CPLEX LP solver.
36 class LpCplex :virtual public LpSolverBase {
40 typedef LpSolverBase Parent;
51 LpCplex(const LpCplex&);
56 virtual LpSolverBase* _newLp();
57 virtual LpSolverBase* _copyLp();
60 virtual int _addCol();
61 virtual int _addRow();
62 virtual void _eraseCol(int i);
63 virtual void _eraseRow(int i);
64 virtual void _getColName(int col, std::string & name) const;
65 virtual void _setColName(int col, const std::string & name);
66 virtual int _colByName(const std::string& name) const;
67 virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
68 virtual void _getRowCoeffs(int i, RowIterator b) const;
69 virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
70 virtual void _getColCoeffs(int i, ColIterator b) const;
71 virtual void _setCoeff(int row, int col, Value value);
72 virtual Value _getCoeff(int row, int col) const;
74 virtual void _setColLowerBound(int i, Value value);
75 virtual Value _getColLowerBound(int i) const;
76 virtual void _setColUpperBound(int i, Value value);
77 virtual Value _getColUpperBound(int i) const;
79 // virtual void _setRowLowerBound(int i, Value value);
80 // virtual void _setRowUpperBound(int i, Value value);
81 virtual void _setRowBounds(int i, Value lower, Value upper);
82 virtual void _getRowBounds(int i, Value &lb, Value &ub) const;
83 virtual void _setObjCoeff(int i, Value obj_coef);
84 virtual Value _getObjCoeff(int i) const;
85 virtual void _clearObj();
88 virtual SolveExitStatus _solve();
89 virtual Value _getPrimal(int i) const;
90 virtual Value _getDual(int i) const;
91 virtual Value _getPrimalValue() const;
92 virtual bool _isBasicCol(int i) const;
94 virtual SolutionStatus _getPrimalStatus() const;
95 virtual SolutionStatus _getDualStatus() const;
96 virtual ProblemTypes _getProblemType() const;
99 virtual void _setMax();
100 virtual void _setMin();
102 virtual bool _isMax() const;
106 cpxenv* cplexEnv() { return env; }
107 cpxlp* cplexLp() { return lp; }
110 } //END OF NAMESPACE LEMON
112 #endif //LEMON_LP_CPLEX_H