[1381] | 1 | /* -*- C++ -*- |
---|
| 2 | * |
---|
[1956] | 3 | * This file is a part of LEMON, a generic C++ optimization library |
---|
| 4 | * |
---|
[2391] | 5 | * Copyright (C) 2003-2007 |
---|
[1956] | 6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
[1381] | 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_CPLEX_H |
---|
| 20 | #define LEMON_LP_CPLEX_H |
---|
| 21 | |
---|
| 22 | ///\file |
---|
| 23 | ///\brief Header of the LEMON-CPLEX lp solver interface. |
---|
| 24 | |
---|
| 25 | #include <lemon/lp_base.h> |
---|
[1398] | 26 | |
---|
[1381] | 27 | extern "C" { |
---|
| 28 | #include <ilcplex/cplex.h> |
---|
| 29 | } |
---|
| 30 | |
---|
| 31 | namespace lemon { |
---|
| 32 | |
---|
| 33 | |
---|
[1398] | 34 | /// \brief Interface for the CPLEX solver |
---|
[1381] | 35 | /// |
---|
[1398] | 36 | /// This class implements an interface for the CPLEX LP solver. |
---|
[2218] | 37 | class LpCplex :virtual public LpSolverBase { |
---|
[1381] | 38 | |
---|
| 39 | public: |
---|
| 40 | |
---|
| 41 | typedef LpSolverBase Parent; |
---|
| 42 | |
---|
| 43 | /// \e |
---|
| 44 | int status; |
---|
| 45 | CPXENVptr env; |
---|
| 46 | CPXLPptr lp; |
---|
| 47 | |
---|
| 48 | |
---|
| 49 | /// \e |
---|
| 50 | LpCplex(); |
---|
| 51 | /// \e |
---|
| 52 | ~LpCplex(); |
---|
| 53 | |
---|
| 54 | protected: |
---|
| 55 | virtual LpSolverBase &_newLp(); |
---|
| 56 | virtual LpSolverBase &_copyLp(); |
---|
| 57 | |
---|
[2361] | 58 | |
---|
[1381] | 59 | virtual int _addCol(); |
---|
| 60 | virtual int _addRow(); |
---|
[1432] | 61 | virtual void _eraseCol(int i); |
---|
| 62 | virtual void _eraseRow(int i); |
---|
[2366] | 63 | virtual void _getColName(int col, std::string & name) const; |
---|
[1895] | 64 | virtual void _setColName(int col, const std::string & name); |
---|
[2366] | 65 | virtual int _colByName(const std::string& name) const; |
---|
[2364] | 66 | virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e); |
---|
[2366] | 67 | virtual void _getRowCoeffs(int i, RowIterator b) const; |
---|
[2364] | 68 | virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e); |
---|
[2366] | 69 | virtual void _getColCoeffs(int i, ColIterator b) const; |
---|
[1431] | 70 | virtual void _setCoeff(int row, int col, Value value); |
---|
[2366] | 71 | virtual Value _getCoeff(int row, int col) const; |
---|
[2361] | 72 | |
---|
[1381] | 73 | virtual void _setColLowerBound(int i, Value value); |
---|
[2366] | 74 | virtual Value _getColLowerBound(int i) const; |
---|
[1381] | 75 | virtual void _setColUpperBound(int i, Value value); |
---|
[2366] | 76 | virtual Value _getColUpperBound(int i) const; |
---|
[2361] | 77 | |
---|
[1405] | 78 | // virtual void _setRowLowerBound(int i, Value value); |
---|
| 79 | // virtual void _setRowUpperBound(int i, Value value); |
---|
[1381] | 80 | virtual void _setRowBounds(int i, Value lower, Value upper); |
---|
[2366] | 81 | virtual void _getRowBounds(int i, Value &lb, Value &ub) const; |
---|
[1381] | 82 | virtual void _setObjCoeff(int i, Value obj_coef); |
---|
[2366] | 83 | virtual Value _getObjCoeff(int i) const; |
---|
[1381] | 84 | virtual void _clearObj(); |
---|
[2361] | 85 | |
---|
[1381] | 86 | |
---|
| 87 | virtual SolveExitStatus _solve(); |
---|
[2366] | 88 | virtual Value _getPrimal(int i) const; |
---|
| 89 | virtual Value _getDual(int i) const; |
---|
| 90 | virtual Value _getPrimalValue() const; |
---|
| 91 | virtual bool _isBasicCol(int i) const; |
---|
[1381] | 92 | |
---|
[2366] | 93 | virtual SolutionStatus _getPrimalStatus() const; |
---|
| 94 | virtual SolutionStatus _getDualStatus() const; |
---|
| 95 | virtual ProblemTypes _getProblemType() const; |
---|
[1381] | 96 | |
---|
| 97 | |
---|
| 98 | virtual void _setMax(); |
---|
| 99 | virtual void _setMin(); |
---|
| 100 | |
---|
[2366] | 101 | virtual bool _isMax() const; |
---|
[2361] | 102 | |
---|
[1381] | 103 | }; |
---|
| 104 | } //END OF NAMESPACE LEMON |
---|
| 105 | |
---|
| 106 | #endif //LEMON_LP_CPLEX_H |
---|
| 107 | |
---|